CEE Faculty Profile

Spyros G. Pavlostathis

Professor

Affinity Group: Environmental Engineering

Office: Environmental Science & Techmology Bldg. 3204
Phone: 404/894-9367
Email: spyros.pavlostathis@ce.gatech.edu
Web: http://people.ce.gatech.edu/~spavlost/

 

Dr. Pavlostathis is a Professor of Environmental Engineering in the School of Civil and Environmental Engineering at the Georgia Institute of Technology. Dr. Pavlostathis earned his Diploma in Agricultural Engineering from the Agricultural University of Athens, Greece and his MS and Ph.D. degrees in Environmental Engineering from Cornell University. He is a Board Certified Environmental Engineer (BCEEM) of the American Academy of Environmental Engineers, and a Fellow of both the International Water Association and the Water Environment Federation.

            Dr. Pavlostathis is internationally recognized for his expertise in the areas of environmental biotechnology and bioprocess engineering for the remediation of contaminated natural systems and the treatment of municipal and industrial wastewater, as well as the kinetics, modeling, and simulation of biotransformation and biotreatment processes. His recent work has focused on the fate and biotransformation of recalcitrant organic compounds, such as dyes, pesticides, antioxidants, disinfectants, antibiotics, and phytosterols; the biotransformation of emerging environmental contaminants, such as nitrosamines, and naphthenic acids; bioenergy and biofuels production from biomass and waste streams; as well as the development of halophilic and thermophilic microbial processes.

            Dr. Pavlostathis has published over 100 peer-reviewed papers and authored over 150 publications including books and book chapters. He has organized or chaired over 30 conferences and conference sessions and frequently serves as a consultant, invited speaker and panelist on behalf of city, county, state and federal agencies in the US and abroad. He is a member of the American Academy of Environmental Engineers, the American Chemical Society, the American Society of Civil Engineers, the American Society for Microbiology, the Association of Environmental Engineering and Science Professors, the Georgia Association of Water Professionals, the International Water Association, and the Water Environment Federation. Dr. Pavlostathis has served on the Editorial Boards of the Journal of Environmental Engineering, Water Science & Technology (Guest Editor), Biotechnology Letters, Journal of Hazardous Materials, and Water Environment Research.

Research Interests

  • Environmental biotechnology and bioprocess engineering for the bioremediation of contaminated natural systems and the treatment of industrial and municipal wastewater
  • Fate and biotransformation of recalcitrant organic compounds such as dyes, pesticides, antioxidants, disinfectants, antibiotics, naphthenic acids, and phytosterols
  • Biotransformation of emerging environmental contaminants
  • Disinfectant-induced antibiotic resistance
  • Bioenergy and biofuels from biomass and waste streams
  • Development of halophilic and thermophilic microbial processes
  • Kinetics, modeling, and simulation of biotransformation and biotreatment processes

Education

  • Ph.D., Environmental Engineering, Cornell University, 1985.
  • M.S., Environmental Engineering, Cornell University, 1982.
  • Diploma, Agricultural Engineering, Agricultural University of Athens, Greece, 1974.

Honors

  1. Fellow, Water Environment Federation (2011 Inaugural Recipient)
  2. Advisor, Georgia Institute of Technology/AEES Symposium – Best Poster Award (T. Misiti; 2011)
  3. Advisor, Georgia Institute of Technology/AEES Symposium – 3rd Place Poster Award (H. Giles; 2011)
  4. Fellow, International Water Association (2010 Inaugural Recipient)
  5. Advisor, Georgia Institute of Technology/AEES Symposium – Best Poster Award (T. Misiti; 2010)
  6. Advisor, Georgia Institute of Technology, AEES Symposium – Best Ph.D. Thesis Award (U. Tezel; 2009)
  7. Georgia Association of Water Professionals - Nominated for the Water Environment Federation Fair Distinguished Engineering Educator (2009)
  8. Marie Curie Visiting Senior Research Fellow, Department of Microbiology and Environmental Change Institute, National University of Ireland, Galway, Ireland (May 2009 - September 2009)
  9. Advisor, Georgia Institute of Technology, School of Civil & Environmental Engeneering Best Ph.D. Thesis Award (D. Okutman-Tas; 2007)
  10. American Academy of Environmental Engineers - Elected by Eminence as Board Certified Environmental Engineer (2006)
  11. Advisor, Georgia Institute of Technology, School of Civil & Environmental Engineering Best Ph.D. Thesis Award (Y.H. Lee; 2004)
  12. Advisor, Georgia Institute of Technology, Association of Environmental Engineers and Scientists (AEES) Best MS Thesis Award (W. Epolito; 2004)
  13. Georgia Institute of Technology – President's Undergraduate Research Faculty Mentor Award (2004)
  14. Visiting Scholar, School of Environmental and Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, UK (Summers 2002, 2003, 2004, 2005)
  15. Georgia Institute of Technology/School of Civil & Environmental Engineering - Sustained Research Award for Excellence in Environmental Research and Archival Publications (2001)
  16. Dutch National Science Foundation, Wageningen University Sabbatical Fellowship (2000)
  17. Georgia Institute of Technology, School of Civil & Environmental Engineering, Best Paper Award (1997)
  18. Water Environment Federation,Georgia Water & Pollution Control Association, Laboratory Analyst Excellence Award (1996)
  19. Water Environment Federation - Charter Member, Recruiters Recognition Club (1994)
  20. Chi Epsilon (National Civil Engineering Honor Society)
  21. Kassimati Foundation Scholarship - Cornell University (1980 - 1982)
  22. Fulbright Fellowship - Cornell University (1979 - 1981)
  23. French Government Scholarship (1977)
  24. Greek National Scholarship Foundation (1969 - 1973)

Articles

  1. Okutman Tas, D., and S. G. Pavlostathis. 2012. Occurrence, Toxicity and Biotransformation of Pentachloronitrobenzene and Chloroanilines. Critical Reviews in Environmental Science and Technology (accepted).
  2. Misiti, T., M. Tandukar, U. Tezel, and S. G. Pavlostathis. 2012. Inhibition and Biotransformation Potential of Naphthenic Acids under Different Electron Accepting Conditions. Water Research (DOI: 10.1016/j.watres.2012.10.019).
  3. Misiti, T., U. Tezel, and S. G. Pavlostathis. 2012. Fate and Effect of Naphthenic Acids on Oil Refinery Activated Sludge Wastewater Treatment Systems. Water Research (DOI: 10.1016/j.watres.2012.10.036).
  4. Tezel, U., M. Tandukar, R. J. Martinez, P. A. Sobecky, and S. G. Pavlostathis. 2012. Aerobic Biotransformation of n-Tetradecylbenzyldimethylammonium Chloride by an Enriched Pseudomonas spp. Community. Environmental Science & Technology 46:8714−8722.
  5. Hajaya, M. G., and S. G. Pavlostathis. 2012. Fate and Effect of Benzalkonium Chlorides in a Continuous-flow Biological Nitrogen Removal System Treating Poultry Processing Wastewater. Bioresource Technology 118:73-81.
  6. Watson, M. K., U. Tezel, and S. G. Pavlostathis. 2012. Biotransformation of Alkanoylcholines under Methanogenic Conditions. Water Research 46:2947-2956.
  7. Lee, Y. H., L. A. Bottomley, and S. G. Pavlostathis. 2011. Anthraquinone Compounds as Redox Mediators for Enhanced Continuous-flow Anaerobic Biotransformation of Reactive Dyes under Hypersaline Conditions. Desalination & Water Treatment 33:68-76.
  8. Shimada, T., E. Morgenroth, M. Tandukar, S. G. Pavlostathis, A. Smith, L. Raskin, and R. E. Kilian. 2011. Syntrophic Acetate Oxidation in Two-phase (Acid-Methane) Anaerobic Digesters. Water Science & Technology 64:1812-1820.
  9. Tezel, U., L. P. Padhye, C.-H. Huang, and S. G. Pavlostathis. 2011. Biotransformation of Nitrosamines and Precursor Secondary Amines under Methanogenic Conditions. Environmental Science & Technology 45:8290-8297.
  10. Misiti, T. M., M. G. Hajaya, and S. G. Pavlostathis. 2011. Nitrate Reduction in a Simulated Free-water Surface Wetland System. Water Research 45:5587-5598.
  11. Hajaya, M. G., U. Tezel, and S. G. Pavlostathis. 2011. Effect of Temperature and Benzalkonium Chloride on Nitrate Reduction. Bioresource Technology 102:5039–5047.
  12. Zhang, C., U. Tezel, K. Li, D. Liu, R. Ren, J. Du, and S. G. Pavlostathis. 2011. Evaluation and Modeling of Benzalkonium Chloride Inhibition and Biodegradation in Activated Sludge. Water Research 45:1238-1246.
  13. Okutman Tas, D., and S. G. Pavlostathis. 2010. Microbial Transformation of Pentachloronitrobenzene under Nitrate Reducing Conditions. Biodegradation 21:691-702.
  14. Ismail, Z. Z., U. Tezel, and S. G. Pavlostathis. 2010. Sorption of Quaternary Ammonium Compounds to Municipal Sludge. Water Research 44:2303-2313.
  15. Okutman Tas, D., M. T. Prytula, J. A. Mulholland, and S. G. Pavlostathis. 2010. Theoretical Investigation of the Sequential Reductive Dechlorination Pathways of Chlorobenzenes and Chloroanilines. Biotechnology & Bioengineering 105:574-587.
  16. Ismail, Z. Z., and S. G. Pavlostathis. 2010. Influence of Sulfate Reduction on the Microbial Dechlorination of Pentachloroaniline in a Mixed Anaerobic Culture. Biodegradation 21:43-57.
  17. Tugtas, A. E., U. Tezel, and S. G. Pavlostathis. 2010. A Comprehensive Model of Simultaneous Denitrification and Methanogenic Fermentation Processes. Biotechnology & Bioengineering 105:98-108.
  18. Tezel, U., and S. G. Pavlostathis. 2009. Transformation of Benzalkonium Chloride under Nitrate Reducing Conditions. Environmental Science & Technology 43:1342-1348.
  19. Padhye, L., U. Tezel, W. A. Mitch, S. G. Pavlostathis, and C.-H. Huang. 2009. Occurrence and Fate of Nitrosamines and Their Precursors in Municipal Sludge and Anaerobic Digestion Systems. Environmental Science & Technology 43:3087-3093.
  20. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, M. Engelmann, J. A. Dulaney, A. C. Todd, and R. A. Gillette. 2009. The Mesophilic and Thermophilic Anaerobic Digestion of Municipal Sludge and FOG. Water Environment Research 81:476-485.
  21. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, M. Engelmann, J. Dulaney, R. A. Gillette, and A. C. Todd. 2009. Methane Recovery from the Anaerobic Codigestion of Municipal Sludge and FOG. Bioresource Technology 100:3701-3705.
  22. Tandukar, M., S. J. Huber, T. Onodera, and S. G. Pavlostathis. 2009. Biological Chromium(VI) Reduction in the Cathode of a Microbial Fuel Cell. Environmental Science & Technology 43:8159-8165.
  23. Matthews, R. D., L. A. Bottomley, and S. G. Pavlostathis. 2009. Palladium-Catalyzed Hydrogen Reduction and Decolorization of Reactive Phthalocyanine Dyes. Desalination 248:816-825.
  24. Epolito, W. J., H. Yang, L. A. Bottomley, and S. G. Pavlostathis. 2008. Kinetics of Zero-Valent Iron Reductive Transformation of the Anthraquinone Dye Reactive Blue 4. Journal of Hazardous Materials 160:594-600.
  25. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, M. Engelmann, A. C. Todd, and R. A. Gillette. 2008. The Anaerobic Biodegradability of Municipal Sludge and FOG under Mesophilic Conditions. Water Environment Research 80:212-221.
  26. Marchant, R., A. Franzetti, S. G. Pavlostathis, D. Okutman Tas, I. Erdbrügger, A. Űnyayar, M. A. Mazmanci, and I. M. Banat. 2008. Thermophilic Bacteria in Cool Temperate Soils: Are they Metabolically Active or Continually Added by Global Atmospheric Transport? Applied Microbiology & Biotechnology 78:841-852.
  27. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. 2008. Effect of Didecyl Dimethyl Ammonium Chloride on Nitrate Reduction in a Mixed Methanogenic Culture. Water Science & Technology 57:541-546.
  28. Tugtas, A. E., and S. G. Pavlostathis. 2008. Inhibitory Effects of Nitrate Reduction on Methanogenesis in the Presence of Different Electron Donors. Water Science & Technology 57:693-698.
  29. Okutman Tas, D., and S. G. Pavlostathis. 2008. Effect of Nitrate Reduction on the Microbial Reductive Transformation of Pentachloronitrobenzene. Environmental Science & Technology 42:3234-3240.
  30. Beydilli, I. M., and S. G. Pavlostathis. 2007. Biodecolorization of the Azo Dye Reactive Red 2 in a Halotolerant Enrichment Culture. Water Environment Research 79:2446-2456.
  31. Okutman Tas, D., and S. G. Pavlostathis. 2007a. The Influence of Iron Reduction on the Reductive Biotransformation of Pentachloronitrobenzene. European Journal of Soil Biology 43:264-275.
  32. Okutman Tas, D., and S. G. Pavlostathis. 2007b. Temperature and pH Effect on the Microbial Reductive Transformation of Pentachloronitrobenzene. Journal of Agricultural and Food Chemistry 55:5390-5398.
  33. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. 2007. Effect of Polyelectrolytes and Quaternary Ammonium Compounds on the Anaerobic Biological Treatment of Poultry Processing Wastewater. Water Research 41:1334-1342.
  34. Tugtas, A. E., and S. G. Pavlostathis. 2007a. Inhibitory Effects of Nitrogen Oxides on a Mixed Methanogenic Culture. Biotechnology & Bioengineering 96:444-455.
  35. Tugtas, A. E., and S. G. Pavlostathis. 2007b. Effect of Sulfide on Nitrate Reduction in Mixed Methanogenic Cultures. Biotechnology & Bioengineering 97:1448-1459.
  36. Tugtas, A. E., and S. G. Pavlostathis. 2007c. Electron Donor Effect on Nitrate Reduction Pathway and Kinetics in a Mixed Methanogenic Culture. Biotechnology & Bioengineering 98:756-763.
  37. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. 2006. Fate and Effect of Quaternary Ammonium Compounds on a Mixed Methanogenic Culture. Water Research 40:3660-3668.
  38. Tugtas, A. E., U. Tezel, and S. G. Pavlostathis. 2006. An Extension of the Anaerobic Digestion Model No. 1 to Include the Effect of Nitrate Reduction Processes. Water Science & Technology 54(4):41-49.
  39. Pavlostathis, S. G., R. Marchant, I. M. Banat, N. G. Ternan, and G. McMullan. 2006. High Growth Rate and Substrate Exhaustion Results in Rapid Cell Death and Lysis in the Thermophilic Bacterium Geobacillus thermoleovorans. Biotechnology & Bioengineering 95:84-95.
  40. Okutman Tas, D., I. N. Thomson, F. E. Loeffler, and S. G. Pavlostathis. 2006. Kinetics of the Microbial Reductive Dechlorination of Pentachloroaniline. Environmental Science & Technology 40:4467-4472.
  41. Lee, Y. H., R. D. Matthews, and S. G. Pavlostathis. 2006. Biological Decolorization of Reactive Anthraquinone and Phthalocyanine Dyes under Various Oxidation-Reduction Conditions. Water Environment Research 78:156-169.
  42. Beydilli, M. I., and S. G. Pavlostathis. 2005. Decolorization Kinetics of the Azo Dye Reactive Red 2 under Methanogenic Conditions: Effect of Long-Term Culture Acclimation. Biodegradation 16:135-146.
  43. Epolito, W. J., Y. H. Lee, L. A. Bottomley, and S. G. Pavlostathis. 2005. Characterization of the Textile Anthraquinone Dye Reactive Blue 4. Dyes and Pigments 67:35-46.
  44. Yeh, D. H., and S.G. Pavlostathis. 2005. Anaerobic Biodegradability of Tween Surfactants Used as a Carbon Source for the Microbial Reductive Dechlorination of Hexachlorobenzene. Water Science & Technology 52(1-2):343-349.
  45. Lee, Y. H., R. D. Matthews, and S. G. Pavlostathis. 2005. Anaerobic Biodecolorization of Textile Reactive Anthraquinone and Phthalocyanine Dyebaths under Hypersaline Conditions. Water Science & Technology 52(1-2):377-383.
  46. Shah, A. G., J. A. Pierson, and S. G. Pavlostathis. 2005. Fate and Effect of the Antioxidant Ethoxyquin on a Mixed Methanogenic Culture. Water Research 39:4251-4263.
  47. Okutman Tas, D., and S. G. Pavlostathis. 2005. Microbial Reductive Transformation of Pentachloronitrobenzene under Methanogenic Conditions. Environmental Science & Technology 39:8264-8272.
  48. Lee, Y. H., and S. G. Pavlostathis. 2004a. Reuse of Textile Reactive Azo Dyebaths Following Biological Decolorization. Water Environment Research 76:56-66.
  49. Lee, Y. H., and S. G. Pavlostathis. 2004b. Decolorization and Toxicity of Reactive Anthraquinone Textile Dyes under Methanogenic Conditions. Water Research 38:1838-1852.
  50. Yeh, D. H., and S. G. Pavlostathis. 2004. Phase Distribution of Hexachlorobenzene in a Suspended-Growth Culture Amended with a Polysorbate Surfactant. Water Environment Research 76:137-148.
  51. Vavilin V. A., S. V. Rytov, L. Y. Lokshina, S. G. Pavlostathis, and M. A. Barlaz. 2003. Distributed Model of Solid Waste Anaerobic Digestion: Effects of Leachate Recirculation and pH Adjustment. Biotechnology & Bioengineering 81:66-73.
  52. Pavlostathis, S. G., M. T. Prytula, and D. H. Yeh. 2003. Potential and Limitations of Microbial Reductive Dechlorination for Bioremediation Applications. Water, Air, & Soil Pollution: Focus 3(3):117-129.
  53. Fontenot, E. J., Y. H. Lee, R. D. Matthews, G. Zhu, and S. G. Pavlostathis. 2003. Reductive Decolorization of a Textile Reactive Dyebath under Methanogenic Conditions. Applied Biochemistry & Biotechnology 109(1-3):207-226.
  54. Vavilin, V. A., S. V. Rytov, S. G. Pavlostathis, J. Jokela, and J. Rintala. 2003. A Distributed Model of Solid Waste Anaerobic Digestion: Sensitivity Analysis. Water Science & Technology 48(4):147-154.
  55. Pavlostathis, S. G., and G. H. Jackson. 2002. Biotransformation of 2,4,6-Trinitrotoluene in a Continuous-flow Anabaena sp. System. Water Research 36:1699-1706.
  56. Batstone, D. J., J. Keller, R. I. Angelidaki, S. V. Kalyuzhnyi, S. G. Pavlostathis, A. Rozzi, W. T. M. Sanders, H. Siegrist, and V. A. Vavilin. 2002. The IWA Anaerobic Digestion Model No 1 (ADM1). Water Science & Technology 45(10):65-73.
  57. Fontenot, E. J., M. I. Beydilli, Y. H. Lee, and S. G. Pavlostathis. 2002. Kinetics and Inhibition during the Decolorization of Reactive Anthraquinone Dyes under Methanogenic Conditions. Water Science & Technology 45(10):105-111.
  58. Beydilli, M. I., R. D. Matthews, and S. G. Pavlostathis. 2001. Decolorization of a Reactive Copper-Phthalocyanine Dye under Methanogenic Conditions. Water Science & Technology 43(2):333-340.
  59. Yeh, D. H., and S. G. Pavlostathis. 2001. Development of Hexachlorobenzene-Dechlorinating Mixed Cultures using Polysorbate Surfactants as a Carbon Source. Water Science & Technology 43(2):43-50.
  60. Beydilli, I., S. G. Pavlostathis, and W. C. Tincher. 2000. Biological Decolorization of the Azo Dye Reactive Red 2 Under Various Oxidation-Reduction Conditions. Water Environment Research 72:698-705.
  61. Booker, R. S., and S. G. Pavlostathis. 2000. Microbial Reductive Dechlorination of Hexachloro-1,3-butadiene in a Methanogenic Enrichment Culture. Water Research 34:4437-4445.
  62. Pavlostathis, S. G. and S. K. Maeng. 2000. Fate and Effect of Silver on the Anaerobic Digestion Process. Water Research 34:3957-3966.
  63. Pavlostathis, S. G. and M. T. Prytula. 2000. Kinetics of the Sequential Microbial Reductive Dechlorination of Hexachlorobenzene. Environmental Science & Technology 34:4001-4009.
  64. Pierson, J. A. and S. G. Pavlostathis. 2000. Real-time Monitoring and Control of Sequencing Batch Reactors for Secondary Treatment of a Poultry Processing Wastewater. Water Environment Research 72:585-592.
  65. Yeh, D. H., K. D. Pennell and S. G. Pavlostathis. 1999. Effect of Tween Surfactants on Methanogenesis and Microbial Reductive Dechlorination of Hexachlorobenzene. Environmental Toxicology & Chemistry 18:1408-1416.
  66. Pavlostathis, S. G. and G. Misra. 1999. Biotransformation of Selected Monoterpenes under Nitrate-Reducing Conditions. Applied Microbiology & Biotechnology 53:63-68.
  67. Pavlostathis, S. G. and G. H. Jackson. 1999. Biotransformation of 2,4,6-Trinitrotoluene (TNT) in Anabaena sp. Cultures. Environmental Toxicology & Chemistry 18:412-419.
  68. Hung, C-H. and S. G. Pavlostathis. 1999. Kinetics and Modeling of Autotrophic Thiocyanate Biodegradation.Biotechnology & Bioengineering 62:1-11.
  69. Collins, A. G., T. L. Theis, S. Kilambi, L. He, and S. G. Pavlostathis. 1998. Anaerobic Treatment of Low Strength Domestic Wastewater Using an Anaerobic Expanded Bed Reactor. Journal of Environmental Engineering (ASCE) 124:652-659.
  70. Pavlostathis, S. G. and S. K. Maeng. 1998. Aerobic Biodegradation of a Silver-Bearing Photoprocessing Wastewater. Environmental Toxicology & Chemistry 17:617-624.
  71. Yeh, D., K. D. Pennell and S. G. Pavlostathis. 1998. Toxicity and Biodegradability Screening of Nonionic Surfactants Using a Sediment-Derived Methanogenic Consortium. Water Science & Technology 38(7):55-62.
  72. Beydilli, M. I., S. G. Pavlostathis, and W. C. Tincher. 1998. Decolorization and Toxicity Screening of Selected Reactive Azo Dyes under Methanogenic Conditions. Water Science & Technology 38(4-5):225-232.
  73. Pavlostathis, S. G., K. Comstock, M. Jacobson and F. M. Saunders. 1998.Transformation of 2,4,6-Trinitrotoluene (TNT) by the Aquatic Plant Myriophyllum spicatum. Environmental Toxicology & Chemistry 17:2266-2273.
  74. Li, J., E. M. Perdue, S. G. Pavlostathis, and R. Araujo. 1998. Physicochemical Properties of Selected Monoterpenes. Environment International 24:353-358.
  75. Schreiber, D. and S. G. Pavlostathis. 1998. Biological Oxidation of Thiosulfate. Water Research 32:1363-1372.
  76. Hung, C-H. and S. G. Pavlostathis. 1998. Fate and Transformation of Thiocyanate and Cyanate Under Methanogenic Conditions. Applied Microbiology & Biotechnology 49:112-116.
  77. Hung, C-H. and S. G. Pavlostathis. 1997. Aerobic Biodegradation of Thiocyanate. Water Research 31:2761-2770.
  78. Misra, G. and S. G. Pavlostathis. 1997. Biodegradation Kinetics of Monoterpenes in Liquid and Soil Slurry Systems. Applied Microbiology & Biotechnology 47:572-577.
  79. Gess, P., and S. G. Pavlostathis. 1997. Desorption of Chlorinated Organic Compounds from a Contaminated Estuarine Sediment. Environmental Toxicology & Chemistry 16:1598-1605.
  80. Pavlostathis, S. G., I. Beydilli, G. Misra, M. Prytula, and D. Yeh. 1997.Literature Review - Anaerobic Processes.Water Environment Research 69:500-521.
  81. Prytula, M. and S. G. Pavlostathis. 1996. Effect of Contaminant and Organic Matter Bioavailability on the Microbial Dehalogenation of Sediment-Bound Chlorobenzenes. Water Research 30:2669-2680.
  82. Misra, G., S. G. Pavlostathis, E. M. Perdue, and R. Araujo. 1996. Aerobic Biodegradation of Selected Monoterpenes. Applied Microbiology & Biotechnology 45:831-838.
  83. Prytula, M., and S. G. Pavlostathis.1996. Extraction of Sediment-Bound Chlorinated Organic Compounds: Implications on Fate and Hazard Assessment. Water Science & Technology 33:247-254.
  84. Pavlostathis, S. G., G. Misra, M. Prytula, and D. Yeh. 1996.Literature Review - Anaerobic Processes.Water Environment Research 68:479-497.
  85. Zhuang, P. and S. G. Pavlostathis. 1995. Effect of Temperature, pH and Electron Donor on the Reductive Dechlorination of Chloroalkenes. Chemosphere. 31:3537-3548.
  86. Pavlostathis, S. G. and D. Vacco. 1995. Biological Treatability of Photodistillates for Discharge into Septic Tank Systems. Journal of Imaging Science & Technology 39:176-181.
  87. Pavlostathis, S. G., G. Misra, M. Prytula, and D. Yeh. 1995.Literature Review - Anaerobic Processes.Water Environment Research 67:459-470.
  88. Zhuang, P. and S. G. Pavlostathis. 1994. Effect of Chlorinated Alkenes on the Reductive Dechlorination and Methane Production Processes. Water Science & Technology 30:85-94.
  89. Pavlostathis, S. G. and S. A. Jungee. 1994. Biological Treatment of Photoprocessing Wastewaters. Water Science & Technology 29:89-98.
  90. Pavlostathis, S. G. and K. Sridhar. 1994. Anaerobic Biodegradation Potential of Photoprocessing Wastewaters.Water Environment Research 66:220-229.
  91. Pavlostathis, S. G. and D. Morrison. 1994a. Aerobic Biodegradation Potential of Photoprocessing Wastewaters.Water Environment Research 66:211-219.
  92. Pavlostathis, S. G. and D. Morrison. 1994b. Response of Continuous-Flow Activated Sludge Reactors to Photoprocessing Wastewaters. Water Research 28:269-276.
  93. Pavlostathis, S. G. 1994.Literature Review - Anaerobic Processes.Water Environment Research 66:342-356.
  94. Pavlostathis, S. G. and P. Zhuang. 1993. Reductive Dechlorination of Chloroalkenes in Microcosms Developed with a Field Contaminated Soil. Chemosphere. 27:585-595.
  95. Pavlostathis, S. G. and K. Sridhar. 1992. Treatment of Photoprocessing Effluents by the Activated Sludge Process. Journal of Imaging Science & Technology 36:405-411.
  96. Pavlostathis, S. G. and G. N. Mathavan. 1992a. Application of Headspace Analysis for the Determination of Volatile Organic Compounds in Contaminated Soils. Environmental Technology 13:23-33.
  97. Pavlostathis, S. G. and G. N. Mathavan. 1992b. Desorption Kinetics of Selected Volatile Organic Compounds from Field Contaminated Soils. Environmental Science & Technology 26:532-538.
  98. Pavlostathis, S. G. and P. Zhuang. 1991a. The Effect of Temperature on the Development of Anaerobic Cultures from a Contaminated Subsurface Soil. Environmental Technology 12:679-687.
  99. Pavlostathis, S. G. and P. Zhuang. 1991b. Transformation of Trichloroethylene by Sulfate-Reducing Cultures Enriched from a Contaminated Subsurface Soil. Applied Microbiology & Biotechnology 36:416-420.
  100. Pavlostathis, S. G. and E. Giraldo-Gomez. 1991. Kinetics of Anaerobic Treatment - A Critical Review. CRC Critical Reviews in Environmental Control 21:411-490.
  101. Pavlostathis, S. G. and E. Giraldo-Gomez. 1991. Kinetics of Anaerobic Treatment. Water Science & Technology 24:35-59.
  102. Collins, A. G., S. Mitra and S. G. Pavlostathis. 1991. The Potential of Microwave Heating for Sludge Dewatering.Research Journal of Water Pollution Control Federation 63:921-924.
  103. Pavlostathis, S. G. and K. Jaglal. 1991. Desorptive Behavior of Trichloroethylene in Contaminated Soil. Environmental Science & Technology 25:274-279.
  104. Pavlostathis, S. G., T. L. Miller and M. J. Wolin. 1988a. Fermentation of Insoluble Cellulose by Continuous Cultures of Ruminococcus albus. Applied & Environmental Microbiology 54:2655-2659.
  105. Pavlostathis, S. G., T. L. Miller and M. J. Wolin. 1988b. Kinetics of Insoluble Cellulose Fermentation by Continuous Cultures of Ruminococcus albus. Applied & Environmental Microbiology 54:2660-2663.
  106. Pavlostathis, S. G., T. L. Miller and M. J. Wolin. 1990. Cellulose Fermentation by Continuous Cultures of Ruminococcus albus and Methanobrevibacter smithii. Applied Microbiology & Biotechnology 33:109-116.
  107. Pavlostathis, S. G. and J. M. Gossett. 1988. Preliminary Conversion Mechanisms in Anaerobic Digestion of Biological Sludge. Journal of Environmental Engineering ASCE, 114:575-592.
  108. Pavlostathis, S. G. and J. M. Gossett. 1986. A Kinetic Model for Anaerobic Digestion of Biological Sludge. Biotechnology & Bioengineering 28:1519-1530.
  109. Pavlostathis, S. G. and J. M. Gossett. 1985a. Alkaline Treatment of Wheat Straw for Increasing Anaerobic Biodegradability. Biotechnology & Bioengineering 27:334-344.
  110. Pavlostathis, S. G. and J. M. Gossett. 1985b. Modeling Alkali Consumption and Digestibility Improvement from Alkaline Treatment of Wheat Straw. Biotechnology & Bioengineering 27:345-354.
  111. Pavlostathis, S. G. 1976. Environmental Impact of Livestock Wastes.Contemporary Agriculture 6:161-166 (In Greek).

Books

  1. Tezel U., and S. G. Pavlostathis. 2012. The Role of Quaternary Ammonium Compounds on Antimicrobial Resistance in the Environment. In Antimicrobial Resistance in the Environment, P. L. Keen and M. H. M. M. Montforts (Eds.), John Wiley & Sons, Inc., Hoboken, NJ, USA.
  2. Pavlostathis, S. G. 2011. Kinetics and Modeling of Anaerobic Treatment and Biotransformation Processes. In Comprehensive Biotechnology, 2nd Edition, M. Moo-Young (Editor-in-Chief); Volume 6: Environmental Biotechnology and Safety, S. Agathos (Ed.), Elsevier, Amsterdam, The Netherlands.
  3. Tezel, U., M. Tandukar, and S. G. Pavlostathis. 2011. Anaerobic Biotreatment of Municipal Sewage Sludge. In Comprehensive Biotechnology, 2nd Edition, M. Moo-Young (Editor-in-Chief); Volume 6: Environmental Biotechnology and Safety, S. Agathos (Ed.), Elsevier, Amsterdam, The Netherlands.
  4. Tandukar, M., S. G. Pavlostathis, and F. J. Cervantes. 2009. Autotrophic Denitrification for the Removal of Nitrogenous and Sulphurous Contaminants from Wastewaters. In Environmental Technologies to Treat Nitrogen Pollution: Principles and Engineering, F. J. Cervantes (Ed.). Ch. 12, IWA Publishing, London, UK.
  5. Cervantes, F. J., S. G. Pavlostathis, and A. van Haandel (Eds). 2006. Advanced Biological Treatment for Industrial Wastewaters: Principles & Applications, IWA Publishing, London, UK.
  6. Cervantes, F. J., and S. G. Pavlostathis. 2006. Strategies for Industrial Water Pollution Control. In Advanced Biological Treatment for Industrial Wastewaters: Principles & Applications, F. J. Cervantes, S. G. Pavlostathis, and A. van Haandel (Eds.). Ch. 1, IWA Publishing, London, UK.
  7. Pavlostathis, S. G. 2006. Basic Concepts of Biological Processes. In Advanced Biological Treatment for Industrial Wastewaters: Principles & Applications, F. J. Cervantes, S. G. Pavlostathis, and A. van Haandel (Eds.). Ch. 2, IWA Publishing, London, UK.
  8. Pennell, K. D., S. G. Pavlostathis, A. Karagunduz, and D. H. Yeh. 2002. Influence of Nonionic Surfactants on the Bioavailability of Hexachlorobenzene for Microbial Reductive Dechlorination. In Chemicals in the Environment: Fate, Impacts, and Remediation, R. L. Lipnick, R. P. Mason, M. L. Phillips, and C. U. Pittman (Eds.), Ch. 27, Symposium Series No. 806, American Chemical Society, Washington, DC, pp. 449-466.
  9. Batstone, D. J., J. Keller, R. I. Angelidaki, S. V. Kalyuzhnyi, S. G. Pavlostathis, A. Rozzi, W. T. M. Sanders, H. Siegrist, and V. A. Vavilin. 2002. Anaerobic Digestion Model No. 1. IWA Task Group for Mathematical Modelling of Anaerobic Wastewater Processes, Scientific and Technical Report No. 13, IWA Publishing, London, UK.
  10. Prytula M. T. and S. G. Pavlostathis. 1999. Bioavailability and Reductive Dechlorination of Hexachlorobenzene Sorbed to an Estuarine Sediment. In Bioremediation of Nitroaromatic and Haloaromatic Compounds, B. C. Alleman and A. Leeson (Eds.), Battelle Press, Columbus, OH, pp. 259-264.
  11. Pavlostathis, S. G. and P. Zhuang. 1998. Effect of Sorption on the Microbial Reductive Dechlorination of Soil-Bound Chloroalkenes. In Emerging Technologies in Hazardous Waste Management VII, D. W. Tedder and F. G. Pohland (Eds.), Plenum Publishing Corp., New York, NY, pp. 127-144.
  12. Yeh, D. H., K. D. Pennell and S. G. Pavlostathis. 1998. Effect of Tween Surfactants on the Microbial Reductive Dechlorination of Hexachlorobenzene. In Bioremediation and Phytoremediation: Chlorinated and Recalcitrant Compounds, G. B. Wickramanayake and R. E. Hinchee (Eds.), Battelle Press, Columbus, OH, pp. 115-120.
  13. Pavlostathis, S. G. and S. Kyritsis. 1980. Livestock Wastes: Management, Utilization, and Environmental Impact. Ministry of Agriculture, Greece, p. 345 (in Greek).

Proceedings

  1. Shimada, T., M. Jupe, L. Van Dixhorn, S. G. Pavlostathis, and R. E. Kilian. Direct Steam Injection Enhances Gas Production from Algae in Anaerobic Digesters. 85th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2012), New Orleans, LA, October 2012 (pp. 2686-2690).
  2. Hardy, S. A., M. Tandukar, S. G. Pavlostathis, R. Porter, and H. Elmendorf. Evaluating and Selecting from Multiple Co-Digestion Waste Streams Using Bench-Scale Anaerobic Digesters. 85th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2012), New Orleans, LA, October 2012 (pp. 2669-2685).
  3. Pavlostathis, S. G., T. Misiti, U. Tezel, and M. Tandukar. Fate and Effect of Naphthenic Acids on Biological Wastewater Treatment Systems in Oil Refineries. 85th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2012), New Orleans, LA, October 2012 (pp. 205-214).
  4. Hardy, S. A., M. Tandukar, S. G. Pavlostathis, R. Porter, and H. Elmendorf. Try Before You Buy – Bench-Scale Digestion Evaluation of Potential Co-Digestion Waste Streams. Residuals and Biosolids 2012: Advancing Residuals Management – Technologies and Applications, Raleigh, NC, March 2012.
  5. Tandukar, M., S. Oh, U. Tezel, K. T. Konstantinidis, and S. G. Pavlostathis. The Role of Quaternary Ammonium Compounds on Antimicrobial Resistance. 5th European Bioremediation Conference, Chania, Greece, July 2011.
  6. Hajaya, M. G., U. Tezel, M. Tandukar, and S. G. Pavlostathis. Fate and Effect of Benzalkonium Chlorides in a Continuous-flow Biological Nitrogen Removal System Treating Poultry Processing Wastewater. 8th IWA International Symposium on Waste Management Problems in Agro-Industries, Çeşme, Turkey, June 2011.
  7. Shimada, T., E. Morgenroth, M. Tandukar, S. G. Pavlostathis, A. Smith, L. Raskin, and R. E. Kilian. Homoacetogenic Acetate Utilization in Two-Phase (Acid-Methane) Anaerobic Digesters. 12th World Congress – Anaerobic Digestion: Water and Energy for the World, Guadalajara, Mexico, October 2010.
  8. Pavlostathis, S. G., U. Tezel, M. G. K. Hajaya, M. Tandukar, R. Porter, H. Elmendorf, S. Jalla, and T. Richards. Conversion Strategies and Evaluation of the Transition from Mesophilic to Thermophilic Anaerobic Digestion of Municipal Sludge. Residuals and Biosolids 2010, Water Environment Federation Specialty Conference, Savannah, GA, May 2010.
  9. Padhye, L., U. Tezel, C-H. Huang, and S. G. Pavlostathis. Biotransformation of Nitrosamines and Secondary Amines in a Mixed Methanogenic Culture. 82nd Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2009) - Research Symposium: Trace Constituents, Orlando, FL, October 2009.
  10. Tezel, U., H. Giles, A, deRussy, and S. G. Pavlostathis. Effect of Counter Ions and Natural Organic Matter on the Toxicity of Benzalkonium Chloride. 82nd Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2009) - Research Symposium: Trace Constituents, Orlando, FL, October 2009.
  11. Tandukar, M., U. Tezel, and S. G. Pavlostathis. Biological Chromium(VI) Reduction in Microbial Fuel Cell: A Three in one Approach. 82nd Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2009), Orlando, FL, October 2009.
  12. Lee, Y. H, and S. G. Pavlostathis. Anthraquinone Compounds as Redox Mediators for Enhanced Continuous-flow Anaerobic Biotransformation of Reactive Dyes under Hypersaline Conditions. Second International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 09) - Session IV: Pollution Control Technologies, Mykonos, Greece, June 2009.
  13. Matthews, R., L. A. Bottomley, and S. G. Pavlostathis. Palladium-catalyzed Hydrogen Reduction and Decolorization of Reactive Phthalocyanine Dyes. Protection and Restoration of the Environment IX - Session B3: Management and Treatment of Solid, Liquid and Gaseous Wastes, Kefalonia, Greece, June 2008.
  14. Yang, J., K. Li, U. Tezel, J. A. Pierson, and S. G. Pavlostathis. Effect of Alkyl Benzyl Dimethyl Ammonium Chloride and Temperature on Nitrification. 81st Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2008) - Session 2: Industrial Issues and Treatment Technology/Microconstituents: Industrial Wastewater Biological Nutrient Removal, Chicago, IL, October 2008.
  15. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, M. Engelmann, A. C. Todd, and R. A. Gillette. Anaerobic Biodegradation of Sludge and FOG. WEF/AWWA Joint Residuals and Biosolids Management Conference 2007, Denver, CO, April 2007.
  16. Tugtas, A. E., and S. G. Pavlostathis. Inhibitory Effects of Nitrate Reduction on Methanogenesis in the Presence of Different Electron Donors. 11th World Congress - Anaerobic Digestion: Bioenergy for our Future, Brisbane, Australia, September 2007.
  17. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. Effect of Didecyl Dimethyl Ammonium Chloride on Nitrate Reduction in a Mixed Methanogenic Culture. 11th World Congress - Anaerobic Digestion: Bioenergy for our Future, Brisbane, Australia, September 2007.
  18. Yang, J., U. Tezel, J. A. Pierson, and S. G. Pavlostathis. Biodegradation and Toxicity of Alkyl Benzyl Dimethyl Ammonium Chloride in a Mixed Aerobic Culture. 80th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2007) - Session 102: Industrial Issues and Treatment Technologies: Pharmaceutical Treatment Challenges, San Diego, CA, October 2007.
  19. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, M. Engelmann, J. Dulaney, R. A. Gillette, and A. C. Todd. The Ultimate Anaerobic Biodegradability of Municipal Sludge and FOG. 80th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2007) - Session 85: Residuals and Biosolids Management: Getting More Out of Your Digester and Process, San Diego, CA, October 2007.
  20. Kabouris, J. C., U. Tezel, S. G. Pavlostathis, A. C. Todd, R. A. Gillette, and M. Engelmann. Methane Production from the Anaerobic Digestion of Pinellas County's Dewatered FOG and Sludge. 81st Annual Florida Water Resources Conference, Orlando, FL, April 2006.
  21. Okutman Tas, D., and S. G. Pavlostathis. The Influence of Iron Reduction on the Reductive Biotransformation of Pentachloronitrobenzene. Third European Bioremediation Conference, Chania, Greece, July 2005.
  22. Tugtas, A. E., U. Tezel, and S. G. Pavlostathis. An Extension of the Anaerobic Digestion Model 1 to Include the Effect of Nitrate Reduction Processes. The First International Workshop on the IWA Anaerobic Digestion Model No. 1 (ADM1), Copenhagen, Denmark, September 2005.
  23. Yeh, D. H., and S. G. Pavlostathis. Modeling the Microbial Dechlorination of Hexachlorobenzene in the Presence of a Biodegradable Nonionic Polysorbate Surfactant. ACS 228th National Meeting, Philadelphia, PA, August 2004.
  24. Yeh, D. H., and S. G. Pavlostathis. Influence of the Physical Alteration of Field-Contaminated Sediments on the Bioavailability of Hexachlorobenzene and Surfactant Use for the Enhancement of Microbial Reductive Dechlorination. ACS 228th National Meeting, Philadelphia, PA, August 2004.
  25. Pavlostathis, S. G., Y. H. Lee, and R. D. Matthews. Anaerobic Biodecolorization of Textile Reactive Anthraquinone and Phthalocyanine Dyebaths under Hypersaline Conditions. 10th World Congress - Anaerobic Digestion 2004: Anaerobic Bioconversion for Sustainability, Montreal, Canada, September 2004.
  26. Yeh, D. H., and S. G. Pavlostathis. Anaerobic Biodegradability of Tween Surfactants Used as Carbon Source for the Microbial Reductive Dechlorination of Hexachlorobenzene. 10th World Congress -- Anaerobic Digestion 2004: Anaerobic Bioconversion for Sustainability, Montreal, Canada, September 2004.
  27. Beydilli, M. I., and S. G. Pavlostathis. Decolorization Kinetics of the Azo Dye Reactive Red 2 under Methanogenic Conditions - Effect of Long-Term Culture Acclimation. Second European Bioremediation Conference, Chania, Greece, July 2003 (pp. 172-175).
  28. Fontenot, E. J., Y. H. Lee, R. D. Matthews, G. Zhu, and S. G. Pavlostathis. Reductive Decolorization of a Textile Reactive Dyebath under Methanogenic Conditions. 7th FAO/SREN Workshop: Anaerobic Digestion for Sustainability in Waste (Water) Treatment and Reuse, Moscow, Russian Federation, May 2002.
  29. Vavilin, V. A., S. V. Rytov, S. G. Pavlostathis, J. Jokela, and J. Rintala. Distributed Model of Solid Waste Anaerobic Digestion: Sensitivity Analysis. 3rd International Symposium on Anaerobic Digestion of Solid Wastes, Munich, Germany, September 2002.
  30. Lee, Y. H., G. Zhu, and S. G. Pavlostathis. Reductive Decolorization of Textile Reactive Anthraquinone Dyes under Methanogenic Conditions. 75th Annual Water Environment Federation Conference and Exposition (WEFTEC 2002) - Session 62: Industrial Issues and Treatment Technologies Symposium: Treatment and Monitoring of Complex Organics, Chicago, IL, October 2002 (p. 14).
  31. Pavlostathis, S. G., M. T. Prytula, and D. H. Yeh. Potential and Limitations of Microbial Reductive Dechlorination for Bioremediation Applications. First European Bioremediation Conference, Chania, Greece, July 2001 (Keynote speaker).
  32. Fontenot, E. J., M. I. Beydilli, Y. H. Lee, and S. G. Pavlostathis. Kinetics and Inhibition during the Decolorization of Reactive Anthraquinone Dyes under Methanogenic Conditions. 9th World Congress - Anaerobic Digestion 2001: Anaerobic Conversion for Sustainability, Antwerpen, Belgium, September 2001.
  33. Keller, J., D. Batstone, S. G. Pavlostathis, et al. Workshop 2 - AD Modelling No 1: IWA Anaerobic Digestion Model No 1 (ADM1): Concept and Structure; Application of ADM1 to Experimental and Full-Scale Processes; Assumptions and Limitations of ADM1. 9th World Congress - Anaerobic Digestion 2001: Anaerobic Conversion for Sustainability, Antwerpen, Belgium, September 2001.
  34. Matthews, R. D., and S. G. Pavlostathis. Ultrasonic Decolorization of Reactive Phthalocyanine Dyes. 74th Annual Water Environment Federation Conference and Exposition (WEFTEC 2001) - Session 21: Research Symposium: Physical-Chemical Processes, Atlanta, GA, October 2001 (p. 14).
  35. Lee, Y. H., and S. G. Pavlostathis. Reuse of Textile Reactive Azo Dyebaths Following Biological Decolorization. 74th Annual Water Environment Federation Conference and Exposition (WEFTEC 2001) - Session 31: Small and Natural Systems and water Reuse: Water Reclamation and Reuse II, Atlanta, GA, October 2001 (p. 22).
  36. Pavlostathis, S. G., and D. H. Yeh. Phase Distribution of Hexachlorobenzene in a Suspended-Growth Culture Amended with a Polysorbate Surfactant. 74th Annual Water Environment Federation Conference and Exposition (WEFTEC 2001) - Session 39: Research Symposium: Biodegradation, Atlanta, GA, October 2001 (p. 23).
  37. Pavlostathis, S. G., M. I. Beydilli, D. Corner, and W. C. Tincher. Innovative Process for the Biological Renovation and Reuse of Spent Reactive Textile Dyebaths. 4th International Symposium on Environmental Biotechnology, Noordwijkerhout, The Netherlands, April 2000.
  38. Pavlostathis, S. G., D. H. Yeh, and K. D. Pennell. Effect of Nonionic Polysorbate Surfactants on the Bioavailability and Reductive Dechlorination of Hexachlorobenzene Sorbed to Contaminated Sediments. 4th International Symposium on Environmental Biotechnology, Noordwijkerhout, The Netherlands, April 2000.
  39. Beydilli, M. I, R. D. Matthews, and S. G. Pavlostathis. Decolorization of a Reactive Copper-Phthalocyanine Dye under Methanogenic Conditions. IWA 1st World Congress and Exhibition, Paris, France, July 2000.
  40. Yeh, D. H, K. D. Pennell, and S. G. Pavlostathis. Development of Hexachlorobenzene-dechlorinating Mixed Cultures Using Polysorbate Surfactants as Carbon Source. IWA 1st World Congress and Exhibition, Paris, France, July 2000.
  41. Pennell, K. D., A. Karagunduz, D. H. Yeh, C. A. Martin, E. K. Chang, and S. G. Pavlostathis. Influence of Nonionic Surfactants on the Bioavailability of Chlorinated Benzenes for Microbial Reductive Dechlorination. ACS 220th National Meeting, Washington, DC, August 2000.
  42. Prytula M. T. and S. G. Pavlostathis. Bioavailability and Reductive Dechlorination of Hexachlorobenzene Sorbed to an Estuarine Sediment. Fifth International Symposium - In Situ and On-Site Bioremediation, San Diego, CA, April 1999.
  43. Fontenot, E., I. Beydilli, S. G. Pavlostathis, and W. Tincher. Decolorization of Reactive Blue Dyes under Methanogenic Conditions. Industrial Waste Conference, Water Environment Federation, Nashville, TN, March 1998.
  44. Beydilli, I., E. Fontenot, S. G. Pavlostathis, and W. Tincher. Decolorization and Toxicity Screening of Selected Reactive Textile Dyes under Methanogenic Conditions. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, March 1998.
  45. Yeh, D., K. Pennell, and S. G. Pavlostathis. Effect of Tween Surfactants on the Microbial Reductive Dechlorination of Hexachlorobenzene. International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA, May 1998.
  46. Prytula, M. and S. G. Pavlostathis. Bioavailability and Reductive Dechlorination of Sediment Bound Chlorinated Benzenes. 1998 National Conference on Environmental Engineering, American Society of Civil Engineers, Chicago, IL, June 1998.
  47. Beydilli, M. I., S. G. Pavlostathis, and W. Tincher. Decolorization and Toxicity Screening of Selected Reactive Azo Dyes under Methanogenic Conditions. IAWQ 19th Biennial International Conference, Vancouver, Canada, June 1998.
  48. Pavlostathis, S. G., D. H. Yeh, and K. D. Pennell. Toxicity and Biodegradability Screening of Nonionic Surfactants Using a Sediment-Derived Methanogenic Consortium. IAWQ 19th Biennial International Conference, Vancouver, Canada, June 1998.
  49. Prytula, M. T. and S. G. Pavlostathis. Reductive Dechlorination of Hexachlorobenzene by Mixed, Sediment-Derived Methanogenic Cultures. WERC/U.S. EPA Hazardous Substance Research Center Joint Conference on the Environment, Albuquerque, NM, April 1997.
  50. Faison, V., S. V. Sahi, K. Manuel, and S. G. Pavlostathis. Uptake of Copper Metal by Crotalaria sp. (Rattle Box). WERC/U.S. EPA Hazardous Substance Research Center Joint Conference on the Environment, Albuquerque, NM, April 1997.
  51. Beydilli, I. M., S. G. Pavlostathis and W. C. Tincher. Anaerobic Biotransformation of Reactive Textile Dyes. 29th Mid-Atlantic Industrial and Hazardous Waste Conference, Roanoke, VA, July 1997.
  52. Booker, R., J. Gould, and S. G. Pavlostathis. Microbial Reductive Dechlorination of Hexachloro-1,3-butadiene. 70th Annual Conference, Water Environment Federation, Chicago, IL, October 1997.
  53. Jackson, G. H., M. Jacobson, and S. G. Pavlostathis. Biotransformation of 2,4,6-Trinitrotoluene (TNT) by the Cyanobacterium Anabaena spiroides. 8th Annual Symposium on Emerging Technologies in Hazardous Waste Management, Birmingham, AL, September 1996.
  54. Prytula, M., R. Booker, and S. G. Pavlostathis. Microbial Reductive Dechlorination of Hexachloro-1,3-Butadiene in Contaminated Estuarine Sediment Slurries. 8th Annual Symposium on Emerging Technologies in Hazardous Waste Management, Birmingham, AL, September 1996.
  55. Comstock, K., M. Jacobson, F. M. Saunders, and S. G. Pavlostathis. Transformation of 2,4,6-Trinitrotoluene (TNT) by a Submerged Aquatic Plant, Eurasian Water Milfoil (Myriophyllum spicatum). 69th Annual Conference, Water Environment Federation, Dallas, TX, October 1996.
  56. Maeng, S. K., and S. G. Pavlostathis. Performance of Activated Sludge Reactors Fed with a Silver-bearing Photoprocessing Wastewater. 4th International Conference on Transport, Fate and Effects of Silver in the Environment, Madison, WI, August 1996.
  57. Hung, C-H. and S. G. Pavlostathis. Fate of Thiocyanate and Cyanate in Anaerobic Digestion Systems. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, February 1995.
  58. Pavlostathis, S. G. Difficulties with Extractions of Contaminants from Real-world Sediments. Antoine Lavoisier Mass Balance Workshop/U. S. EPA Hazardous Substance Research Center/South & Southwest, New Orleans, Louisiana, March 1995.
  59. Prytula, M., and S. G. Pavlostathis. Extraction of Sediment-Bound Chlorinated Organic Compounds: Implications on Fate and Hazard Assessment. 2nd IAWQ Specialized Conference on Hazard Assessment and Control of Environmental Contaminants in Water, International Association for Water Quality, Lyngby, Denmark, June 1995.
  60. Prytula, M., and S. G. Pavlostathis. Contaminant and Organic Matter Bioavailability Effects on the Biotransformation of Sediment-Bound Chlorobenzenes. 68th Annual Conference, Water Environment Federation, Miami Beach, FL, October 1995.
  61. Misra, G., S. G. Pavlostathis, J. Li, and E. M. Perdue. Characterization and Aerobic Biodegradation of Selected Monoterpenes. 68th Annual Conference, Water Environment Federation, Miami Beach, FL, October 1995.
  62. Schreiber, D. and S. G. Pavlostathis. Biological Oxidation of Thiosulfate. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, February 1994.
  63. Pavlostathis, S. G. and D. Vacco. Aerobic/Anaerobic Biological Treatment of Photodistillates in Septic Systems. 8th Society for Imaging Science & Technology International Symposium on Photofinishing Technology, Atlanta, GA, February 1994.
  64. Gess, P., M. Prytula, and S. G. Pavlostathis. Release of Chlorinated Organic Compounds from a Contaminated Estuarine Sediment. 20th Annual RREL Hazardous Waste Research Symposium, Cincinnati, OH, March 1994.
  65. Pavlostathis, S. G. and C-H. Hung. Activated Sludge Treatment of Thiocyanate-bearing Photofinishing Wastewaters. 47th Annual Conference, Society for Imaging Science & Technology, Rochester, NY, May 1994.
  66. Zhuang, P. and S. G. Pavlostathis. Effect of Chlorinated Alkenes on the Reductive Dechlorination and Methane Production Processes. IAWQ 17th Biennial International Conference, Budapest, Hungary, July 1994.
  67. Klein, A. and S. G. Pavlostathis. Desorption and Biodegradation of Toluene and Xylenes in Saturated Soil Systems. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, February 1993.
  68. Pavlostathis, S. G., P. Gess, and M. Prytula. Preliminary Assessment of Fate Mechanisms of Chlorinated Organic Compounds in a Sediment-Water Estuarine System. 19th Annual RREL Hazardous Waste Research Symposium, Cincinnati, OH, April 1993.
  69. Zhuang, P. and S. G. Pavlostathis. Factors Limiting the Reductive Dechlorination of Chloroalkenes. 66th Annual Conference, Water Environment Federation, Anaheim, CA, October 1993.
  70. Pavlostathis, S. G. and S. A. Jungee. Biological Treatment of Photoprocessing Wastewaters. IAWQ International Specialized Conference: Pretreatment of Industrial Wastewaters, Athens, Greece, October 1993.
  71. Pavlostathis, S. G. and K. Sridhar. Treatment of Photoprocessing Effluents by the Activated Sludge Process. 7th Society for Imaging Science & Technology International Symposium on Photofinishing Technology, Las Vegas, NV, February 1992.
  72. Pavlostathis, S. G., K. Sridhar and D. Morrison. Aerobic Treatment of Photoprocessing Effluents. 23rd Mid-Atlantic Industrial Waste Conference, University of Pittsburgh, Pittsburgh, PA, June 1991.
  73. Pavlostathis, S. G. and E. Giraldo-Gomez. Kinetics of Anaerobic Treatment - A Critical Review. IAWPRC International Specialized Workshop: Anaerobic Treatment Technology for Municipal and Industrial Wastewater, Valladolid, Spain, September 1990 (Invited speaker).

Presentations

  1. Pavlostathis, S. G. Anaerobic Co-Digestion of Municipal Sludge and High-Strength Waste: A Path to Net-Zero Energy or Net Energy Production? School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, September 2012.
  2. Pavlostathis, S. G. Anaerobic Co-Digestion of Municipal Sludge and High-Strength Waste: A Path to Net-Zero Energy or Net Energy Production? Department of Civil Engineering, The City College of New York, New York, NY, February 2012
  3. Sun, P., S. Doydora, M. Cabrera, A. Thompson, C-H. Huang, and S. G. Pavlostathis. Biotransformation of Ionophore Veterinary Antibiotics in Poultry Litter-Water-Soil System. Abstract and oral presentation, the 243rd ACS National Meeting, San Diego, CA, March 2012.
  4. Sun, P., H. Yao, S. G. Pavlostathis, and C.-H. Huang. Hydrolytic and Photolytic Transformation of Ionophore Antibiotics in the Environment. Abstract and oral presentation, the 243rd ACS National Meeting, San Diego, CA, March 2012.
  5. Oh S., M. Tandukar, U. Tezel, S. G. Pavlostathis, and K. T. Konstantinidis. Metagenomic Insights into the Microbial Communities Exposed to Benzalkonium Chlorides: Induction of Antibiotic Resistance. 8th International Conference on Bioinformatics, Atlanta, Georgia, November 2011.
  6. Sun, P., H. Yao, S. G. Pavlostathis, and C.-H. Huang. Environmental Abiotic Degradation of Ionophore Antibiotics. Abstract and poster presentation, the AEESP Conference, Tampa, FL, July 2011.
  7. Oh, S., D. Tsementzi, M. Tandukar, U. Tezel, S. G. Pavlostathis, and K. T. Konstantinidis. Metagenomic Insights Into Disinfectant-induced Antibiotic Resistance: The Case of Quaternary Ammonium Compounds (QACs). 111th General Meeting, American Society for Microbiology, New Orleans, Louisiana, May 2011.
  8. Giles, H., S. Banerjee, and S. G. Pavlostathis. Fate and Degradation of Sterols in Pulp Mill Wastewater Treatment Systems. Association of Environmental Engineers and Scientists Symposium, Georgia Institute of Technology, Atlanta, GA, April 2011 (poster).
  9. Misiti, T., U. Tezel, and S. G. Pavlostathis. Aerobic Biotransformation of Naphthenic Acids. Association of Environmental Engineers and Scientists Symposium, Georgia Institute of Technology, Atlanta, GA, April 2011 (poster).
  10. Sun, P., S. G. Pavlostathis, M. Cabrera, A. Thompson, C.-H. Huang. Quantification and Transformation Evaluation for Ionophore Antibiotics in Water, Soil and Poultry Litter. 241st ACS National Meeting, Anaheim, CA, March 2011.
  11. Pavlostathis, S. G. Environmental Biotechnology and Bioprocess Engineering – Recent Research Activities. Hunan Yonker Environmental Protection Group, Changsha, Hunan, China, January 2011.
  12. Tezel, U., and S. G. Pavlostathis. Fate and Biotransformation of Quaternary Ammonium Compounds in Biological Treatment Processes. 83rd Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2010), New Orleans, LA, October 2010.
  13. Pavlostathis, S. G. Environmental Biotechnology and Bioprocess Engineering – Recent Research Activities. MACTEC, Marietta, GA, October 2010.
  14. Pavlostathis, S. G. Biogas Generation by Anaerobic Digestion – Principles and Case Studies, Columbus Water Works, Columbus, GA, September 2010.
  15. Tezel, U., and S. G. Pavlostathis. Quantitative Structure Activity Relationships (QSAR) for Determining the Mobility and Toxicity of Quaternary Ammonium Compounds. ACS 240th National Meeting, Division of Environmental Chemistry, Boston, MA, August 2010.
  16. Tezel, U., T. Misiti, D. Bostwick, C. Sullards, and S. G. Pavlostathis. Three-tier Methodology for Quantification and Characterization of Naphthenic Acids in Aqueous Solutions. ACS 240th National Meeting, Division of Fuel Chemistry, Boston, MA, August 2010.
  17. Misiti, T., N. Sullivan, U. Tezel, M. Tandukar, and S. G. Pavlostathis. Biodegradation Potential of Naphthenic Acids under Different Electron Accepting Conditions. Association of Environmental Engineers and Scientists Symposium, Georgia Institute of Technology, Atlanta, GA, April 2010 (poster).
  18. Misiti, T. and S. G. Pavlostathis. Groundwater Nitrate Reduction in a Simulated Free Water Surface Wetland System. Industrial Conference & Expo, Georgia Association of Water Professionals, Callaway Gardens, Pine Mountain, GA, March 2010.
  19. Hajaya, M. G., M. G., J. A. Pierson, and S. G. Pavlostathis. Assessment of Biological Nitrogen Removal in Poultry Processing Facilities. Industrial Conference & Expo, Georgia Association of Water Professionals, Callaway Gardens, Pine Mountain, GA, March 2010.
  20. Pavlostathis, S. G. Biogas Generation by Anaerobic Digestion. Workshop: Sustainable Solutions for Utilities to Address Carbon Footprint and Resource Recovery. 82nd Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC 2009), Orlando, FL, October 2009 (Invited speaker).
  21. Tezel, U., R. Martinez, M. Tandukar, P. A. Sobecky, and S. G. Pavlostathis. Biotransformation of Benzalkonium Chloride by a Mixed Heterotrophic Culture under Oxic and Anoxic Conditions. 109th General Meeting, American Society for Microbiology, Philadelphia, PA, May 2009 (poster).
  22. Pavlostathis, S. G. Fate and Biotransformation of Quaternary Ammonium Compounds in Biological Treatment Systems, Department of Microbiology and Environmental Change Institute, National University of Ireland, Galway, Ireland, May 2009.
  23. Pavlostathis, S. G. Stoichiometry and Energetics of Microbial Processes. Department of Microbiology, National University of Ireland, Galway, Ireland, July 2009 (Lecture).
  24. Pavlostathis, S. G. Kinetics of Microbial Growth and Substrate Utilization. Department of Microbiology, National University of Ireland, Galway, Ireland, August 2009 (Lecture).
  25. Pavlostathis, S. G. Continuous Culture Processes. Department of Microbiology, National University of Ireland, Galway, Ireland, August 2009 (Lecture).
  26. Pavlostathis, S. G. Fate and Biotransformation of Quaternary Ammonium Compounds in Biological Treatment Systems. School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, November 2009.
  27. Li, K., U. Tezel, J. A. Pierson, and S. G. Pavlostathis. Effect of Quaternary Ammonium Compounds and Temperature on Nitrification. US Poultry & Egg Association - 2008 Environmental Management Seminar, Atlanta, GA, March 2008.
  28. Tezel U., and S. G. Pavlostathis. Biotransformation of Quaternary Ammonium Compounds. Carl E. Kindsvater Symposium, Georgia ASCE Environmental and Water Resources Group, Georgia Institute of Technology, Atlanta, GA, March 2008 (poster).
  29. Pavlostathis, S. G. Environmental Biotechnology and Bioprocesses - Recent Research Activities. Malcolm Pirnie, Atlanta, GA, April 2008.
  30. Pavlostathis, S. G. Fate and Biotransformation of Quaternary Ammonium Compounds in Biological Treatment Processes. ConocoPhillips, Bartlesville, OK, May 2008.
  31. Pavlostathis, S. G. Toxicity: Antioxidants and Antimicrobials in Anaerobic Systems. Anaerobic Treatment of High-Strength Industrial Wastes, Marquette University, Milwaukee, WI, September 2008 (Short course).
  32. Pavlostathis, S. G. Co-Digestion of Fat, Oil and Grease for Increased Methane Production. Anaerobic Treatment of High-Strength Industrial Wastes, Marquette University, Milwaukee, WI, September 2008 (Short course).
  33. Pavlostathis, S. G. Basics of Anaerobic Digestion. Annual Conference and Exposition, Georgia Association of Water Professionals, Savannah, GA, July 2007 (Invited speaker).
  34. Pavlostathis, S. G. Environmental Biotechnology and Bioprocesses - Recent Research Activities. Earth Tech, Roswell, GA, October 2007.
  35. Pavlostathis, S. G. Microbial Reductive Transformation of Pentachloronitrobenzene. Earth Tech, Roswell, GA, December 2007.
  36. Pavlostathis, S. G. Environmental Bioremediation: Case Study – Microbial Reductive Transformation of Pentachloronitrobenzene. Agricultural University of Athens, Greece, May 2007 (lecture).
  37. Pavlostathis, S. G. Integrated Removal of Nitrate and Carbon in Anaerobic Digestion Systems – Operational and Modeling Challenges. Shanghai Jiao-Tong University, Shanghai, China, May 2006.
  38. Okutman-Tas, D, and S. G. Pavlostathis. Microbial Reductive Transformation of Pentachloronitrobenzene: Temperature and pH Effect. ACS 231th National Meeting, Atlanta, GA, March 2006.
  39. Epolito, W. J., L. A. Bottomley, and S. G. Pavlostathis. Reaction Kinetics and Mechanism of Zero-valent Iron Reductive Transformation of the Anthraquinone Dye Reactive Blue 4. ACS 231th National Meeting, Atlanta, GA, March 2006.
  40. Ko, R. D., O. Braide, J. F. Parker, L. A. Bottomley, and S. G. Pavlostathis. Electrooxidative Decolorization of Reactive Textile Dyes. ACS 231th National Meeting, Atlanta, GA, March 2006.
  41. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. Effect of Polyelectrolytes and Quaternary Ammonium Sanitizers on the Anaerobic Biological Treatment of Poultry Processing Wastewater. Industrial Conference & Expo, Georgia Association of Water Professionals, Atlanta, GA, March 2006.
  42. Tugtas, A. E., and S. G. Pavlostathis. Effect of Nitrate Reduction on the Anaerobic Digestion Process. Industrial Conference & Expo, Georgia Association of Water Professionals, Atlanta, GA, March 2006.
  43. Song, C. K., P. Bhaumik, S. Arai, L. A. Bottomley, M. J. Kramarz, J. Bartling, S. G. Pavlostathis, and S. Michielsen. Photochemical Decolorization of Textile Dyes. ACS 231th National Meeting, Atlanta, GA, March 2006.
  44. Okutman-Tas, D., and S. G. Pavlostathis. Microbial Transformation of Pentachloronitrobenzene under Nitrate Reducing Conditions. Environmental Systems Microbiology Symposium, Atlanta, GA, March 2006 (poster).
  45. Tugtas, A. E., and S. G. Pavlostathis. Effect of Sulfide on Nitrate Reduction in a Mixed Methanogenic Culture. Environmental Systems Microbiology Symposium, Atlanta, GA, March 2006 (poster).
  46. Tezel, U., and S. G. Pavlostathis. Effect of Quaternary Ammonium Compounds on the Methanogenic/Fermentative Activity in a Mixed Methanogenic Culture. Environmental Systems Microbiology Symposium, Atlanta, GA, March 2006 (poster).
  47. Barker, K., A. G. Davis, A. Bryant, R. Ko, S. Hoy, N. Ives, S. G. Pavlostathis, and L. A. Bottomley. Electrochemical Decolorization of Textile Dyebath Solutions. 58th Southeast Regional Meeting of the American Chemical Society (SERMACS 2006), Augusta, GA, November 2006.
  48. Bottomley, L. A., and S. G. Pavlostathis. Decolorizing and Detoxifying Textile Plant Effluents with Cavitation. CCACTI Textile Mid-Year Research Forum, Atlanta, GA, January 2005.
  49. Tezel, U., J. A. Pierson, and S. G. Pavlostathis. Assessing the Impact of Quaternary Ammonium Compounds on Anaerobic Biological Systems. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2005.
  50. Yang, H., W. J. Epolito, L. A. Bottomley, and S. G. Pavlostathis. Zero-Valent Iron Decolorization of the Anthraquinone Textile Dye Reactive Blue 4 and Biodegradation Assessment of its Decolorization Products. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2005.
  51. Okutman-Tas, D., and S. G. Pavlostathis. Microbial Transformation of Pentachloronitrobenzene under Nitrate Reducing Conditions. 105th General Meeting, American Society for Microbiology, Atlanta, GA, June 2005.
  52. Tugtas, A. E., and S. G. Pavlostathis. Sulfide Exacerbates the Inhibitory Effect of Nitrate Reduction on Methanogenesis. 105th General Meeting, American Society for Microbiology, Atlanta, GA, June 2005.
  53. Okutman Tas, D. and S. G. Pavlostathis. Microbial Reductive Transformation of Pentachloronitrobenzene (PCNB) - Temperature Effect on Dechlorination. Quadrangle Conference on Environmental Science and Engineering, Atlanta, GA, USA, April, 2005.
  54. Epolito, W. J., S. G. Pavlostathis, and L. A. Bottomley. Zero-Valent Iron Decolorization of Textile Anthraquinone Dyes. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2004.
  55. Lee, Y. H., L. A. Bottomley, and S. G. Pavlostathis. Biological Decolorization and Reuse of Textile Reactive Anthraquinone Dyebaths. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2003.
  56. Matthews, R. D., L. A. Bottomley, and S. G. Pavlostathis. Transformation and Decolorization of Reactive Phthalocyanine Textile Dyes by Palladium-Catalyzed H2 Reduction. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2003.
  57. Shah, A., J. A. Pierson, and S. G. Pavlostathis. Fate and Effect of the Antioxidant Ethoxyquin on an Anaerobic Treatment Process. Industrial Pollution Control Conference & Expo, Georgia Water & Pollution Control Association, Atlanta, GA, March 2003.
  58. Ebner, J. L., R. D. Matthews, S. G. Pavlostathis, and L. A. Bottomley. Decolorization of Reactive Textile Dyes Using Ozone: Reaction Kinetics and Product Formation. AIChE Southern Conference Convention, Melbourne, FL, March 2003.
  59. Ebner, J. L., R. D. Matthews, L. A. Bottomley, and S. G. Pavlostathis. Sonication vs. Ozonation for the Decolorization of Reactive Phthalocyanine Textile Dyes: Effectiveness, Product Formation and Toxicity. 55th Southeast Regional Meeting of the American Chemical Society (SERMACS 2003), Atlanta, GA, November 2003.
  60. Epolito, W. J., S. G. Pavlostathis, and L. A. Bottomley. Zero-Valent Iron Reductive Transformation of the Anthraquinone Dye Reactive Blue 4. 55th Southeast Regional Meeting of the American Chemical Society (SERMACS 2003), Atlanta, GA, November 2003.
  61. Froelich, P. N., S. I. Rubin-Mason, and S. G. Pavlostathis. Origin of Methylated Germanium Compounds in Anoxic Environments. 55th Southeast Regional Meeting of the American Chemical Society (SERMACS 2003), Atlanta, GA, November 2003.
  62. Pavlostathis, S. G. Microbial Reduction and Decolorization of Textile Dyes. Department of Civil Engineering, Auburn University, Auburn, AL, March 2003.
  63. Pavlostathis, S. G. Microbial Kinetics and Continuous-flow Biological Processes. School of Biological and Environmental Sciences, University of Ulster, Coleraine, Northern Ireland, UK, June 2003 (Lecture).
  64. Filaski, K., Y. H. Lee, J. Parker, L. A. Bottomley, and S. G. Pavlostathis. Decolorization of Reactive Anthraquinone Textile Dyes. 54th Southeast Regional Meeting of the American Chemical Society (SERMACS 2002), Charleston, SC, November 2002.
  65. Lee, Y. H., and S. G. Pavlostathis. Reuse of Textile Reactive Azo Dyebaths Following Biological Decolorization. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, March 2002.
  66. Pavlostathis, S. G., Y. H. Lee, R. D. Matthews, and W. C. Tincher. 2001. Biological Decolorization and Reuse of Spent Reactive Dyebaths. CCACTI Textile Mid-Year Research Forum, Atlanta, GA, January 2002.
  67. Matthews, R. D., and S. G. Pavlostathis. Decolorization of Reactive Phthalocyanine Textile Dyes and Dyebaths by Sonication. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, March 2002.
  68. Matthews, R. D., J. L. Ebner, T. Aiyejorun, L. A. Bottomley, and S. G. Pavlostathis. Decolorization of Reactive Phthalocyanine Textile Dyes by Sonication and Ozonation. 54th Southeast Regional Meeting of the American Chemical Society (SERMACS 2002), Charleston, SC, November 2002.
  69. Pavlostathis, S. G. Biotransformation of Xenobiotic Compounds. School of Biological and Environmental Sciences, University of Ulster, Coleraine, Northern Ireland, UK, Summer 2002 (Six lectures).
  70. Pavlostathis, S. G., Y. H. Lee, R. D. Matthews, and W. C. Tincher. Biological Decolorization and Reuse of Spent Reactive Dyebaths.AATCC Southeastern Section Winter Meeting, The University of Georgia, Athens, GA, January 2001 (Invited speaker)
  71. Pavlostathis, S. G., Y. H. Lee, R. D. Matthews, and W. C. Tincher. Biological Decolorization and Reuse of Spent Reactive Dyebaths. CCACTI Textile Mid-Year Research Forum, Atlanta, GA, January 2001.
  72. Pavlostathis, S. G. Bioenergetics and Stoichiometry of Microbial Processes. Department of Environmental Engineering, Middle East Technical University, Ankara, Turkey, April 2001 (Short course).
  73. Pavlostathis, S. G. Anaerobic Biotechnology. Department of Environmental Engineering, Middle East Technical University, Ankara, Turkey, April 2001 (Short course).
  74. Pavlostathis, S. G. Bioavailability and Microbial Reductive Dechlorination of Chlorinated Benzenes in Contaminated Estuarine Sediments. Department of Environmental Engineering, Middle East Technical University, Ankara, Turkey, April 2001.
  75. Pavlostathis, S. G. Modeling of Anaerobic Biotransformation of Xenobiotic Compounds: Recent Developments and Future Research Needs. Departments of Chemical & Biochemical Engineering and Environmental Sciences, Rutgers - The State University of New Jersey, Piscataway, NJ, May 2001.
  76. Pavlostathis, S. G. Biological Processes: Microbial Kinetics and Bioenergetics. School of Environmental Engineering, Stavanger University College, Stavanger, Norway, September 2001 (Short course).
  77. Pavlostathis, S. G. Anaerobic Biological Processes. School of Environmental Engineering, Stavanger University College, Stavanger, Norway, September 2001 (Short course).
  78. Pavlostathis, S. G. Bioavailability and Microbial Reductive Dechlorination of Chlorinated Benzenes in Contaminated Estuarine Sediments. Department of Environmental Engineering, Norwegian Geotechnical Institute, Oslo, Norway, September 2001.
  79. Pavlostathis, S. G., M. I. Beydilli, Y. H. Lee, R. D. Matthews, and W. C. Tincher. Biological Decolorization and Reuse of Spent Reactive Dyebaths. CCACTI Textile Mid-Year Research Forum, January 2000.
  80. Beydilli, M. I., D. Corner, S. G. Pavlostathis, and W. Tincher. Biological Decolorization and Reuse of Reactive Textile Dyebaths. Industrial Pollution Control Conference, Georgia Water & Pollution Control Association, Atlanta, GA, February 2000.
  81. Pavlostathis, S. G. Historical Development in the Modeling of Activated Sludge Digestion. Department of Environmental Technology, Wageningen University, Wageningen, The Netherlands, February 2000 (Lecture).
  82. Pavlostathis, S. G. Biological Processes: Microbial Kinetics and Bioenergetics. School of Environmental Engineering, Stavanger University College, Stavanger, Norway, March 2000 (Short course).
  83. Pavlostathis, S. G. Anaerobic Biological Processes. School of Environmental Engineering, Stavanger University College, Stavanger, Norway, March 2000 (Short course).
  84. Pavlostathis, S. G. Bioenergetics, Stoichiometry and Kinetics of Biological Processes. Departments of Microbiology and Environmental Technology, Wageningen University, Wageningen, The Netherlands, April 2000 (Lecture).
  85. Pavlostathis, S. G. Bioenergetics and Stoichiometry of Microbial Processes. Department of Bioengineering, Catholic University of Louvain, Louvain la Neuve, Belgium, May 2000 (Lecture).
  86. Pavlostathis, S. G. Effect of Nonionic Polysorbate Surfactants on the Bioavailability and Reductive Dechlorination of Hexachlorobenzene Sorbed to Contaminated Sediments. Department of Bioengineering, Catholic University of Louvain, Louvain la Neuve, Belgium, May 2000.
  87. Pavlostathis, S. G. Contaminant Bioavailability, Microbial Reductive Dehalogenation, and Surfactant Use. Microbiology Laboratory, Wageningen University, Wageningen, The Netherlands, May 2000.
  88. Pavlostathis, S. G., W. C. Tincher, I. M. Beydilli and D. Corner. Biological Renovation and Reuse of Spent Reactive Dyebaths. 7th National Textile Center Annual Forum, Myrtle Beach, SC, January 1999.
  89. Booker, R. S., M. T. Prytula, and S. G. Pavlostathis. Bioavailability and Biotransformation of Hexachloro-1,3-butadiene in Contaminated Sediment-Derived Anaerobic Systems. SETAC 20th Annual Meeting, Philadelphia, PA, November 1999.
  90. Karagunduz, A., C. Martin, D. H. Yeh, S. G. Pavlostathis and K. D. Pennell. Effects of Tween Surfactants on the Availability of Hexachlorobenzene in a Contaminated Soil. SETAC 20th Annual Meeting, Philadelphia, PA, November 1999.
  91. Pavlostathis, S. G. Anaerobic Environmental Biotechnology. Department of Chemical Engineering, University of Patras, Patras, Greece, May 1999 (Short course).
  92. Pavlostathis, S. G. Microbial Reductive Dehalogenation: Potential and Limitations for In-Situ Subsurface Bioremediation. Department of Environmental Engineering, Technical University of Crete, Chania, Greece, June 1999.
  93. Pavlostathis, S. G. Bioavailability and Microbial Reductive Dehalogenation of Sediment-Associated Chlorinated Benzenes. U. S. EPA/National Exposure Research Laboratory, Athens, GA March 1998 (Invited speaker).
  94. Beydilli, I., E. Fontenot, S. G. Pavlostathis and W. Tincher. Biological Renovation and Reuse of Spent Reactive Dyebaths. 6th Annual National Textile Center Forum, Panama City, FL, January 1998.
  95. Yeh, D. H. and S. G. Pavlostathis. Methanogenesis and Reductive Dechlorination of Hexachlorobenzene in the Presence of Nonionic Surfactants. Environmental Engineering Quadrangle Conference, University of North Carolina, Chapel Hill, February 1998.
  96. Prytula, M., R. Booker and S. G. Pavlostathis. Bioavailability of Hexachloro-1,3-butadiene in Contaminated Estuarine Sediments for Microbial Reductive Dechlorination. Spring National Meeting, American Institute of Chemical Engineers, New Orleans, LA, March 1998 (Invited speaker).
  97. Yeh, D. H. and S. G. Pavlostathis. Simultaneous Biodegradation of Tween Surfactants and Reductive Dechlorination of Hexachlorobenzene. 98th General Meeting, American Society for Microbiology, Atlanta, GA, May 1998.
  98. Booker, R. and S. G. Pavlostathis. Characterization of a Mixed Methanogenic Enrichment that Reductively Dechlorinates Hexachloro-1,3-butadiene. 98th General Meeting, American Society for Microbiology, Atlanta, GA, May 1998.
  99. Pavlostathis, S. G. and S-K. Maeng. Fate and Effect of Silver Compounds on the Anaerobic Digestion Process. SETAC 19th Annual Meeting, Charlotte, NC, November 1998.
  100. Beydilli, M. I., S. G. Pavlostathis and W. C. Tincher. Decolorization of Reactive Azo Red 2 Under Various Redox Conditions. SETAC 19th Annual Meeting, Charlotte, NC, November 1998.
  101. Beydilli, I., S. G. Pavlostathis and W. Tincher. Biological Renovation and Reuse of Spent Reactive Dyebaths. 5th Annual National Textile Center Forum, Myrtle Beach, SC, January 1997.
  102. Booker, R. and S. G. Pavlostathis. Microbial Reductive Dechlorination of Hexachloro-1,3-butadiene. Environmental Engineering Quadrangle Conference, Clemson University, Clemson, SC, February 1997.
  103. Pavlostathis, S. G. Reductive Biotransformation Processes. Georgia Water & Pollution Control Association - Laboratory Symposium, Augusta, GA, June 1997 (Keynote speaker).
  104. Pavlostathis, S. G. Biotransformation Potential and Limitations of Anaerobic Processes. International Symposium on the Olive's Wastes, Kalamata, Greece, November 1997 (Plenary Lecture).
  105. Yeh, D. H., K. D. Pennell and S. G. Pavlostathis. Methanogenesis and Reductive Dechlorination of Hexachlorobenzene in the Presence of Nonionic Surfactants. SETAC 18th Annual Meeting, San Francisco, CA, November 1997.
  106. Pavlostathis, S. G. Reductive Dechlorination of Chlorinated Benzenes Under Methanogenic Conditions. Oak Ridge National Laboratory, Oak Ridge, TN, May 1997.
  107. Faison, V., S. Sahi, and S. G. Pavlostathis. Phytoremediation of Contaminated Sites by Crotalaria sp. Understanding the Gulf of Mexico Ecosystem Workshop, University of Southern Mississippi, Long Beach, MS, September, 1996.
  108. Pavlostathis, S. G. Microbial Reductive Dehalogenation: Potential and Limitations for In-Situ Subsurface Bioremediation. Department of Biological & Agricultural Engineering, The University of Georgia, Athens, GA, January 1996.
  109. Pavlostathis, S. G. The Potential of Microbial Reductive Dechlorination for Subsurface Bioremediation. Environmental Engineering Quadrangle Conference, Virginia Tech, February 1995.
  110. Misra, G., S. G. Pavlostathis, M. Perdue, and R. Araujo. Aerobic Biodegradation of Selected Monoterpenes. 95th General Meeting, American Society for Microbiology, Washington, D.C., May 1995.
  111. Comstock, K., S. G. Pavlostathis, M. Jacobson, S-Y. Chiang, and F. M. Saunders. Aquatic Plant Mediated Transformation of TNT. 1995 Five Centers' Research Conference -- From the Flask to the Field: Moving Research Insights into Practical Solutions; U.S. EPA/Hazardous Substance Research Center, Gleneden Beach, OR, July 1995.
  112. Prytula, M., and S. G. Pavlostathis. Biotransformation of Chlorinated Benzenes in an Estuarine Sediment. 1995 Five Centers' Research Conference -- From the Flask to the Field: Moving Research Insights into Practical Solutions; U.S. EPA/Hazardous Substance Research Center, Gleneden Beach, OR, July 1995.
  113. Pavlostathis, S. G., and P. Zhuang. Effect of Sorption on the Microbial Reductive Dechlorination of Soil-Bound Chloroalkenes. 7th Annual Symposium on Emerging Technologies in Hazardous Waste Management, Atlanta, GA, September 1995.
  114. Saunders, F. M., M. Jacobson, and S. G. Pavlostathis. Phytoremediation of TNT Contaminated Soils and Groundwaters. 7th Annual Symposium on Emerging Technologies in Hazardous Waste Management, Atlanta, GA, September 1995.
  115. Pavlostathis, S. G Subsurface Bioremediation - Contaminant Bioavailability Issues. Environmental Hydraulics and Water Resources/School of Civil & Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, November 1995.
  116. Pavlostathis, S. G. Microbial Reductive Dehalogenation: Potential and Limitations. Savannah River Technology Center, Aiken, SC, November 1995.
  117. Pavlostathis, S. G. Biotransformation and Fate of Chlorinated Organic Contaminants in an Estuarine Sediment System. Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, TN, February 1994.
  118. Prytula, M. and S. G. Pavlostathis. Reductive Dechlorination of Chlorinated Benzenes in Estuarine Sediments. Environmental Engineering Quadrangle Conference, Clemson University, Clemson, SC, February 1993.
  119. Zhuang, P. and S. G. Pavlostathis. Factors Limiting the Reductive Dechlorination of Chloroalkenes. 66th Annual Conference, Water Environment Federation, Anaheim, CA, October 1993.
  120. Pavlostathis, S. G. Effect of Temperature on Anaerobic Processes: Application to In-Situ Bioremediation. Workshop on: Organic Matter Transformations in Terrestrial and Marine Environments. Georgia Institute of Technology, School of Earth & Atmospheric Sciences, Atlanta, GA, March 1992.
  121. Theis, T. L., A. G. Collins, P. J. Monsour, and S. G. Pavlostathis. Analysis of Total Polyaromatic Hydrocarbons Using Ultraviolet-Fluorescence Spectrometry. 64th Annual Conference, Water Pollution Control Federation, Toronto, Ontario, Canada, October 1991.
  122. Zhuang, P. and S. G. Pavlostathis. The Effect of Inoculum Source, Primary Substrate and Temperature on the Dechlorination of Trichloroethylene under Sulfate-Reducing and Methanogenic Conditions. 64th Annual Conference, Water Pollution Control Federation, Toronto, Ontario, Canada, October 1991.
  123. Pavlostathis, S. G. Prospects of Anaerobic In-Situ Bioremediation of Soil and Ground Water Contaminated with Chlorinated Alkenes. BPEC Workshop: The Role of Biotechnology in Bioremediation Process, Massachusetts Institute of Technology, Cambridge, MA, March 1991 (Invited speaker).
  124. Theis, T. L., A. G. Collins, S. G. Pavlostathis, P. Monsour and C. D. Theis. Field Analysis of Polycyclic Aromatic Hydrocarbons by Ultraviolet Fluorescence Spectrometry. 2nd International Symposium - Field Screening Methods for Hazardous Wastes and Toxic Chemicals, Las Vegas, NV, February 1991.
  125. Pavlostathis, S. G., A. G. Collins and S. Mitra. The Potential of Microwave Heating for Sludge Dewatering. 63rd Annual Conference, Water Pollution Control Federation, Washington, D.C., October 1990.
  126. Zhuang, P. and S. G. Pavlostathis. Degradation of Trichloroethylene in Simulated Anaerobic Subsurface Environments. 20th Northeast Regional Meeting, American Chemical Society, Clarkson University, Potsdam, NY, June 1990.
  127. Jaglal, K. and S. G. Pavlostathis. Desorption of Trichloroethylene from Contaminated Soil. 62nd Annual Meeting and Exhibition, New York Water Pollution Control Association - University Research Forum, New York, NY, January 1990.
  128. Pavlostathis, S. G., T. L. Miller and M. J. Wolin. Fermentation of Cellulose by Automated Continuous Cultures of Ruminococcus albus. 87th Annual Meeting of the American Society for Microbiology, Atlanta, GA, March 1987.