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Prof. Dr. Göksel N. Demirer

Prof. Dr. Göksel N. Demirer

Prof. Dr. Göksel N. Demirer

Emeritus Professor · Department of Environmental Engineering
E-mail: goksel@metu.edu.tr
 

Education

  • Ph.D., Environmental Engineering, December 1996, Vanderbilt University, Nashville, Tennessee, USA
  • M.Sc., Environmental Engineering, June 1991, Middle East Technical University, Ankara, Turkey
  • B.Sc., Environmental Engineering, June 1989, Middle East Technical University, Ankara, Turkey

Areas of Interest

  • Anaerobic Environmental Biotechnology
  • Wastewater Engineering, Sustainability
  • Cleaner Production / Pollution Prevention
  • Industrial Symbiosis, Environmental Management
  • Natural Treatment Systems
  • Bioenergy
  • Biobased Products

Awards and Fellowships

  • Australian Government, Ministry for Education, Science and Training, Endeavour Research Fellowship, 2007
  • Middle East Technical University, Academic Performance Award, 2001, 2003, 2004, 2007, 2008, 2009, 2010, 2011, 2012
  • Middle East Technical University, Mustafa Parlar Education and Research Foundation, Educator of the Year Award, 2005–2006
  • Middle East Technical University, Tarık Somer Outstanding Academic Achievement Award, 2001
  • Middle East Technical University, Mustafa Parlar Education and Research Foundation, Educator of the Year Award, 2000–2001
  • Middle East Technical University, Outstanding Academic Achievement Award, 1999
  • Vanderbilt University, Department of Civil and Environmental Engineering, Assistantship and Tuition Scholarship, 1992–1996
  • The Scientific and Technical Research Council of Turkey, Doctoral Scholarships, 1994–1995

Professional Memberships

  • Union of Chamber of Turkish Engineers and Architects, Chamber of Environmental Engineers
  • Water Environment Federation
  • Water Environment Association of Turkey
  • DELTA (Developing Environmental Leadership Towards Action) Network — Turkey

Employment and Professional Experience

  • Middle East Technical University, Department of Environmental Engineering, Ankara, Turkey
    Professor (August 2005–present) · Associate Professor (November 1999–August 2005) · Assistant Professor (February 1998–November 1999) · Instructor/Lecturer (April 1997–February 1998) · Research/Teaching Assistant (February 1990–August 1992)
  • Trier University of Applied Sciences (Germany) and Akdeniz University (Turkey), International Material Flow Management Program (IMAT) — Lecturer (2011–present)
  • RMIT University, School of Civil, Environmental and Chemical Engineering, Melbourne, Australia — Visiting Professor (June–October 2007)
  • Washington State University, Department of Biological Systems Engineering, Pullman, WA, USA — Visiting Professor (January 2003–July 2004)
  • Anadolu University, Department of Environmental Engineering, Eskişehir, Turkey — Adjunct Faculty Member (February 2001–January 2003)
  • Tuzla University, Department of Technology, Tuzla, Bosnia-Herzegovina — Visiting Professor (July–August 1998)
  • Vanderbilt University, Department of Civil and Environmental Engineering, Nashville, TN, USA — Research/Teaching Assistant (August 1992–December 1996)
  • Municipality of Schloß Holte-Stukenbrock, Wastewater Treatment Plant, Bielefeld, Germany — Engineering Intern (July–August 1988)
  • Provincial Bank of Turkey, 5th District, Alanya Wastewater Treatment Plant, Antalya, Turkey — Engineering Intern (July–August 1987)

Administrative Experience

  • Chairperson, METU Department of Environmental Engineering, 2006–2012
  • President, Water Environment Association of Turkey, 2001–2003
  • Secretary/Treasurer, Water Environment Association of Turkey, 1999–2001
  • Vice-Chairperson, METU Department of Environmental Engineering, 1998–1999
  • Member of the Administrative Board, UCTEA Chamber of Environmental Engineers, Ankara, 1998–2000
  • Member of the Administrative Board, Association of the Environmental Engineers, Ankara, 1990–1992

Teaching

Middle East Technical University (1997–Present)

  • Anaerobic Treatment of Wastes (Graduate)
  • Wastewater Engineering Design (Undergraduate)
  • Fundamentals of Environmental Engineering Processes (Undergraduate)
  • Introduction to Environmental Engineering (Undergraduate)
  • Treatment and Disposal of Water and Wastewater Treatment Sludge (Undergraduate and Graduate)
  • Cleaner Production (Undergraduate and Graduate)
  • Pollution Prevention (Undergraduate and Graduate)
  • Environmental Chemistry Laboratory (Undergraduate)

Other Institutions

  • Akdeniz University, IMAT Program, 2011–2013 — Technology Management Part II: Pollution Prevention and Clean Technologies (Graduate)
  • Washington State University, 2003–2004 — Natural Systems for Wastewater Treatment (Undergraduate and Graduate)
  • Anadolu University, 2001–2003 — Anaerobic Biotechnology for the Treatment of Wastes (Graduate); Cleaner Production (Graduate)
  • Tuzla University, Summer 1998 — Fundamentals of Anaerobic Biotechnology (Undergraduate and Graduate)

Summary of Research Accomplishments

  • 86 peer-reviewed journal articles (78 international + 8 national)
  • 135 conference proceeding publications (76 international + 59 national)
  • Over 1,200 citations (excluding self-citations) recorded in the Science Citation Index (ISI)
  • 14 projects (5 international + 9 national) conducted as primary investigator
  • 11 projects (4 international + 7 national) conducted as co-primary investigator or researcher
  • Completed MSc and PhD theses: 26 as principal supervisor and 4 as co-advisor
  • Four books or book chapters

Research Projects

As Principal Investigator

  1. Demirer G.N., Kaya D., Uludağ-Demirer S., Ergüder T.H., Kaymak B. "Integrated nutrient removal, greenhouse gas mitigation and bio-fuel and bio-product generation by using microalgal and anaerobic microbial cultures", TÜBİTAK, ÇAYDAG-111Y215, Budget: 400,891 TL, 2012–.
  2. Demirer G.N., Steinmetz H., Duran M. "Nutrient Removal and Value Added Product Formation from Wastes Via Struvite Precipitation", FP7 Marie Curie Actions, International Research Staff Exchange Scheme, METU–Stuttgart University–Villanova University, 2009–2011.
  3. Demirer G.N., Dichtl N. "Agricultural Reuse of Water and Nutrients from Wastewater Treatment in Turkey", TÜBİTAK-BMBF Intensified Cooperation, METU–TU Braunschweig, 2009–2012.
  4. Demirer G.N., Steinmetz H. "Investigations on Nutrient Recovery from Anaerobic Digestion Residues with Different Compositions", TÜBİTAK-BMBF Intensified Cooperation, METU–University of Stuttgart, 2007–2010.
  5. Demirer G.N., Ergüder T.H. "High Rate Anaerobic Degradation of Organic Fraction of Municipal Solid Wastes in an Innovative Sequential Reactor Configuration", METU BAP-2005-03-11-03, Budget: $10,650, 2005–2006.
  6. Demirer G.N., Uludağ-Demirer S., Ergüder T.H. "Production of Renewable Energy and Biobased Industrial Chemical Products from Organic Wastes", State Planning Organization of Turkey, BAP-03-11-DPT.2003(05)K120540-1, Budget: $36,900, 2004–2007.
  7. Demirer G.N., Uludağ-Demirer S., Ergüder T.H. "Organic Acid Production from Municipal and Agro-Industrial Wastes", TÜBİTAK ÇAYDAG-104I127, Budget: $108,000, 2004–2008.
  8. Demirer G.N., Uludag-Demirer S., Tezel U. "Removal of TCE in Sequential (Biological/Chemical) Reactors", TÜBİTAK İÇTAG-Ç032, Budget: $10,500, 2002–2003.
  9. Demirer G.N., Uğurlu Ö., Arıkan Y. "Integrated/Preventative Environmental Management for Municipalities: Implementation", Swiss Agency for Development and Cooperation, Chamber of Environmental Engineers, Budget: $168,000, 2002–2003.
  10. Demirer G.N., Uğurlu Ö., Arıkan Y. "Integrated/Preventative Environmental Management for Municipalities: Training and Dissemination", Swiss Agency for Development and Cooperation, Chamber of Environmental Engineers, Budget: $74,000, 1999–2002.
  11. Demirer G.N., Duran M., Speece R.E., et al. "Application of Anaerobic Technologies for the Management of Industrial Wastewaters", State Planning Organization of Turkey, AFP-03-11DPT.98K122800, Budget: $50,000, 1998–2001.
  12. Demirer G.N., Güven E., Ergüder T.H., Varolan N., Tezel U. "Removal of Halogenated Compounds with Sequential (Anaerobic/Aerobic) Biological Systems", TÜBİTAK YDABÇAG-633, Budget: $10,000, 1998–2001.
  13. Demirer G.N. "Use of Anaerobic Reductive Dehalogenation for the Removal of Chlorinated Organics", METU Research Fund AFP-98-03-11-03, Budget: $5,000, 1998–1999.

As Co-Investigator or Researcher

  1. Mulder K., Brall S., Pujadas M., Ohlson M., Demirer G.N. "Microtraining for effective knowledge transfer", Leonardo da Vinci Multilateral Projects, Budget: €362,757, Delft University–RWTH Aachen–TU Catalonia–METU, 2007–2010.
  2. Yetiş Ü., Dilek F.B., Demirer G.N., et al. "Studies on Adopting the EU IPPC Directive in Textile Sector: BAT Applications", TÜBİTAK ÇAYDAG-105Y088, Budget: $332,700, 2005–2008.
  3. Kantoğlu Ö., Dilek F.B., Demirer G.N., et al. "Investigation of Irradiation as a Pretreatment Method for Biological Treatment of Industrial Wastewaters", TAEK, Budget: $4,000, 2004–2006.
  4. Uludağ-Demirer S., Demirer G.N., Ergüder T.H. "Nitrogen and Phosphorus Removal and Recovery from Domestic and Agro-Industrial Wastewaters by Struvite Precipitation", TÜBİTAK ICTAG-Ç-102, Budget: $12,500, 2004–2007.
  5. Chen S., Demirer G.N., Wen Z., Liu W. "Enhanced Anaerobic Digestion of Farm Animal Manure", Washington Technology Center, Budget: $48,000, WSU–Andgar Corporation, 2003–2004.
  6. Demirer G.N. et al. "The Marmara Region Environmental Emergency Action Plan", Ministry of Environment, METU, December 2001.
  7. Yetiş Ü., Dilek F., Demirer G.N. "Removal of Chlorination Byproducts Formed in Water Treatment Plants: Ankara Case Study", State Planning Organization, METU, 1997–1999.
  8. Speece R.E., Demirer G.N. Evaluation of Environmental Requirements for Development of High Activity Biomass in the Bulk Volume Fermenter Anaerobic Process, Consulting Project to Canadian Harvest U.S.A, Vanderbilt University, 1994.
  9. Tanner R., Demirer G.N., Duran M. Heavy Metal Removal and Recovery with Kudzu, Vanderbilt University, 1993.
  10. Yetiş Ü., Demirer G.N. Effect of Heavy Metals on Activated Sludge Process, TÜBİTAK KTCAG-9, METU, 1992.
  11. Yetiş Ü., Demirer G.N. Effect of Cr(VI) on Activated Sludge Process, METU Research Fund 92-03-11-01, METU, 1992.
  12. Yetiş Ü., Demirer G.N. Effect of Chromium on Activated Sludge Process, METU Research Fund 90-03-11-01, METU, 1990.
  13. Monitoring and Control of Land Based Water and Air Pollution, METU Research Fund 90-03-11-01-03, METU, 1990–1991.
  14. Assessment and Monitoring of Land Based Pollution of Black Sea and Marmara Sea, METU Research Fund 90-03-11-01-04, METU, 1990–1991.

Graduate Student Supervision

As Principal Supervisor — Completed

  1. Güven E. (M.S.), "Inhibitory Effects of Trichloroacetic, Monochloroacetic and 2,4-Dichlorophenoxyacetic Acids on Anaerobic Treatment", METU, 1997–1999.
  2. Ergüder T.H. (M.S.), "Inhibitory Effects of Lindane and Dieldrin and Removal of Dieldrin in Anaerobic Treatment Systems", METU, 1998–2000.
  3. Yalçın F. (M.S.), "Performance Assessment of Landfills by the HELP Model: Izmit Case Study", METU, 1999–2000.
  4. Şen S. (M.S.), "Sequential Biological Treatment of a Reactive Dye and Textile Wastewater", METU, 1999–2001.
  5. Varolan N. (M.S.), "Sequential Biological (Anaerobic/Aerobic) Treatment of Malt Whisky Wastewater", Co-advised by Prof. Dr. Celal F. Gökçay, METU, 2000–2001.
  6. Avşar E. (M.S.), "Cleaner Production Opportunity Assessment Study in SEKA Balikesir Pulp and Paper Mill", METU, 1999–2001.
  7. Özeler D. (M.S.), "Life Cycle Assessment of Municipal Solid Waste Treatment Methods: Ankara Case Study", Co-advised by Prof. Dr. Ülkü Yetiş, METU, 2000–2001.
  8. Güngör G. (M.S.), "Anaerobic Treatability and Biogas Generation Potential of Broiler and Cattle Manure", METU, 2001–2002.
  9. Tezel U. (M.S.), "Treatment of Gaseous TCE by Sequential (Biotic and Abiotic) Reduction Reactions", Co-advised by Asst. Prof. Dr. Sibel Uludag-Demirer, METU, 2001–2003.
  10. Özbay A. (M.S.), "Cleaner Production Opportunity Assessment for Market Milk Production in AOC Facility", METU, 2001–2003.
  11. Korkusuz E.A. (Ph.D.), "Domestic Wastewater Treatment in Pilot-Scale Constructed Wetlands Implemented at METU", Co-advised by Assoc. Prof. Dr. Meryem Beklioglu, METU, 2000–2004.
  12. Ergüder T.H. (Ph.D.), "Development and Use of Combined Cultures for the Treatment of Low Strength Wastewaters", METU, 2001–2005.
  13. Türkmenoğlu S. (M.S.), "Organic Acids Production from Cheese Whey", METU, 2004–2006.
  14. Doğan E. (M.S.), "Organic Acid Production from Organic Fraction of Municipal Solid Waste in Leaching Bed Reactors", METU, 2005–2006.
  15. Öztürk E. (M.S.), "A Chemical Substitution Study for a Wet Processing Textile Mill in Turkey", METU, 2006–2007.
  16. Yılmaz V. (Ph.D.), "Enhancing the Performance of Anaerobic Digestion of Dairy Manure Through Phase-Separation", METU, 2006–2007.
  17. Doğan E. (M.S.), "Two-Phase Anaerobic Digestion of Semi-Solid Organic Wastes", METU, 2006–2008.
  18. Alptekin E. (Ph.D.), "Anaerobic Treatment of Dilute Wastewaters", METU, 2005–2008.
  19. Alkaya E. (M.S.), "Biorefining of Sugar-Beet Processing Wastes through Anaerobic Biotechnology", METU, 2006–2008.
  20. Özkan L. (M.S.), "Biological Hydrogen Production from Sugar Industry Wastes", METU, 2007–2009.
  21. Yılmazel Y.D. (M.S.), "Removal and Recovery of Nutrients as Struvite from Anaerobic Digestion/Co-Digestion Residues of Poultry Manure", METU, 2007–2009.
  22. Erdost B.G. (M.S.), "Performance Assessment and Enhancement of Anaerobic Digestion of Organic Wastes from a Snacks Production Facility", METU, 2009–2010.
  23. Böğürcü M. (M.S.), "Determination of Industrial Sectoral Priorities for Cleaner Production Application in Turkey", METU, 2009–2012.
  24. Sarıkaya E. (M.S.), "Agricultural Reuse of Water and Nutrients from Wastewater Treatment in Turkey", METU, 2010–2012.
  25. Çalıcıoğlu A.Ö. (M.S.), "Integrated Nutrient Removal and Biogas Production Using Microalgal and Anaerobic Cultures", METU, 2011–2013.
  26. Alkaya E. (Ph.D.), "Diffusion of Sustainable Production Approach into Turkish Manufacturing Industry: Pilot Applications and Sectoral Assessments", METU, 2009–2013.

As Principal Supervisor — Ongoing

  1. Akbayır İ.C. (M.S.), "Implementation and Effects of Industrial Symbiosis in Industrial Areas in Turkey", METU, 2011–.
  2. Gür E. (M.S.), "Anaerobic Treatability of Pistachio Wastewater", METU, 2012–.
  3. Çakırlar Ş.B. (M.S.), "Integrated Nutrient Removal and Greenhouse Gas Mitigation by Using Microalgal Cultures", METU, 2013–.
  4. Çaylı D. (M.S.), "Integrated Wastewater Treatment, CO₂ Mitigation and Biohydrogen Production by Using Microalgal and Anaerobic Culture", METU, 2013–.

As Co-Advisor — Completed

  1. Çapar K.G. (M.S.), "Removal of Trihalomethane Precursors by Activated Carbon Treatment", Supervised by Prof. Dr. Ülkü Yetiş, METU, 1997–1999.
  2. Haytoglu B. (M.S.), "Heavy Metal Biosorption by Anaerobic Biomass", Supervised by Prof. Dr. Ülkü Yetiş, METU, 1998–2000.
  3. Özdemir R.T. (M.S.), "Anaerobic Treatment of Opium Alkaloid Wastewater and Effect of γ-Rays on Anaerobic Treatment", Supervised by Prof. Dr. Filiz B. Dilek, METU, 2005–2006.
  4. Bural C.B. (M.S.), "Effect of Pre/Post Irradiation on the Aerobic Biological Treatment of Opium Alkaloid Industry Wastewaters", Supervised by Prof. Dr. Filiz B. Dilek, METU, 2005–2008.

As Co-Advisor — Ongoing

  1. Demirkol M.K. (Ph.D.), "Consumption Based Emissions: Effect of Demographic Dynamics and Impact on International Trade", METU, 2009–.

Publications — Peer-Reviewed Journal Articles

International Journals

  1. Alkaya E. and Demirer G.N., 2014. "Improving resource efficiency in surface coating/painting industry: Practical experiences from a small-sized enterprise", Clean Technologies and Environmental Policy, accepted.
  2. Alkaya E., Bogurcu M., Ulutas F., Demirer G.N., 2014. "Adaptation to Climate Change in Industry: Improving Resource Efficiency through Sustainable Production Applications", Water Environment Research, accepted.
  3. Erguder T.H. and Demirer G.N., 2014. "Organic acid production from the organic fraction of municipal solid waste and cow manure in leaching bed reactors", Environmental Engineering and Management Journal, in press.
  4. Alkaya E. and Demirer G.N., 2014. "Sustainable textile production: A case study from a woven fabric manufacturing mill in Turkey", Journal of Cleaner Production, 65(4): 595–603.
  5. Uludağ-Demirer S., Duran M., Demirer G.N., 2013. "Nutrient enrichment of the anaerobic sludge by co-precipitating N and P in the mesophilic anaerobic digester", Journal of the Polish Mineral Engineering Society, 32(2): 63–67.
  6. Uludag Demirer S., Taskin B., Demirer G.N., Duran M., 2013. "The effect of managing nutrients in the performance of anaerobic digesters of municipal wastewater treatment plants", Applied Microbiology and Biotechnology, 97(17): 7899–7907.
  7. Sarıkaya E. and Demirer G.N., 2013. "Biogas production from broiler manure, wastewater treatment plant sludge and greenhouse waste by anaerobic co-digestion", Journal of Renewable and Sustainable Energy, 5(4): 043126.
  8. Yilmazel D. and Demirer G.N., 2013. "Nitrogen and phosphorus recovery from anaerobic co-digestion residues of poultry manure and maize silage via struvite precipitation", Waste Management and Research, 31(8): 792–804.
  9. Alkaya E. and Demirer G.N., 2013. "Greening of production in metal processing industry through process modifications and improved management practices", Resources, Conservation & Recycling, 77: 89–96.
  10. Dogan E. and Demirer G.N., 2012. "Biogas generation by two-phase anaerobic digestion of organic fraction of municipal solid waste", Journal of Renewable and Sustainable Energy, 4(6): 063131.
  11. Ulutas F., Alkaya E., Bogurcu M., Demirer G.N., 2012. "The national capacity assessment on cleaner (sustainable) production in Turkey", Sustainable Cities and Society, 5: 30–36.
  12. Ulutas F., Alkaya E., Bogurcu M., Demirer G.N., 2012. "Determination of the framework conditions and research-development needs for the dissemination of cleaner (sustainable) production applications in Turkey", International Journal of Sustainable Development & World Ecology, 19(3): 203–209.
  13. Yılmaz V. and Demirer G.N., 2011. "Anaerobic digestion of cattle manure: Effect of phase-separation", WIT Transactions on Ecology and the Environment, 143: 133–144.
  14. Ulutas F., Alkaya E., Bogurcu M., Demirer G.N., 2011. "A comparative analysis of Turkish and European Union environmental legislation regarding cleaner (sustainable) production concept", International Journal of Environment and Sustainable Development, 10(3): 246–266.
  15. Raposo F. et al., 2011. "Biochemical Methane Potential (BMP) of solid organic substrates: Evaluation of anaerobic biodegradability using data from an international interlaboratory study", Journal of Chemical Technology & Biotechnology, 86(8): 1088–1098.
  16. Alkaya E. and Demirer G.N., 2011. "Anaerobic acidification of sugar-beet processing wastes: Effect of operational parameters", Biomass and Bioenergy, 35(1): 32–39.
  17. Alkaya E. and Demirer G.N., 2011. "Anaerobic mesophilic co-digestion of sugar-beet processing wastewater and beet-pulp in batch reactors", Renewable Energy, 36(3): 971–975.
  18. Özkan L., Ergüder T.H. and Demirer G.N., 2011. "Effects of pretreatment methods on solubilization of beet-pulp and bio-hydrogen production yield", International Journal of Hydrogen Energy, 36(1): 382–389.
  19. Alkaya E. and Demirer G.N., 2011. "Anaerobic fed- and sequencing-batch treatment of sugar-beet processing wastes: A comparative study", Water Environment Research, 83(3): 247–255.
  20. Yılmazel Y.D. and Demirer G.N., 2011. "Removal and recovery of nutrients from anaerobic digestion residues of poultry manure as struvite", Environmental Technology, 32(7): 783–794.
  21. Othman M.Z., Uludag-Demirer S. and Demirer G.N., 2010. "Enhanced nutrients removal in conventional anaerobic digestion processes", International Journal of Civil and Environmental Engineering, 2: 203–209.
  22. Alkaya E., Ergüder T.H. and Demirer G.N., 2010. "Effect of operational parameters on anaerobic co-digestion of dairy cattle manure and agricultural residues", Engineering in Life Sciences, 10(6): 552–559.
  23. Raposo F. et al., 2010. "Quality improvement in determination of chemical oxygen demand in samples considered difficult to analyze", Trends in Analytical Chemistry, 29(9): 1082–1091.
  24. Uysal A., Yilmazel Y.D. and Demirer G.N., 2010. "The determination of fertilizer quality of the formed struvite from effluent of a sewage sludge anaerobic digester", Journal of Hazardous Materials, 181(1–3): 248–254.
  25. Ozkan L., Erguder T.H., Demirer G.N., 2010. "Investigation of the effect of culture type on biological hydrogen production from sugar industry wastes", Waste Management, 30(5): 792–798.
  26. Bural C.B., Demirer G.N., Kantoglu O., Dilek F.B., 2010. "Treatment of opium Alkaloid Containing wastewater in Sequencing Batch Reactor (SBR) — Effect of gamma irradiation", Radiation Physics and Chemistry, 79(4): 519–526.
  27. Othman M.Z., Uludag-Demirer S. and Demirer G.N., 2009. "Enhanced Nutrients Removal in Conventional Anaerobic Digestion Processes", Engineering and Technology, World Academy of Science, 58: 1206–1212.
  28. Dogan E. and Demirer G.N., 2009. "Volatile fatty acid production from organic fraction of municipal solid waste through anaerobic acidogenic digestion", Environmental Engineering Science, 26(9): 1443–1450.
  29. Alkaya E., Kaptan S., Ozkan L., Uludag-Demirer S. and Demirer G.N., 2009. "Recovery of Acids from Anaerobic Acidification Broth by Liquid-Liquid Extraction", Chemosphere, 77(8): 1137–1142.
  30. Raposo F. et al., 2009. "An interlaboratory study as useful tool for proficiency testing of chemical oxygen demand measurements", Talanta, 80(2): 329–337.
  31. Uludag-Demirer S., Demirer G.N., Othman M., 2009. "Modification of a Conventional Anaerobic Digester for Improving the Effluent and Sludge Characteristics", Water Environment Research, 81(12): 2447–2454.
  32. Ozturk E., Yetis U., Dilek F.B., Demirer G.N., 2009. "A chemical substitution study for a wet processing textile mill in Turkey", Journal of Cleaner Production, 17(2): 239–247.
  33. Dogan E., Dunaev T., Erguder T.H., Demirer G.N., 2008. "Performance of leaching bed reactor converting the organic fraction of municipal solid waste to organic acids and alcohols", Chemosphere, 74(6): 797–803.
  34. Demirer G.N. and Othman M., 2008. "Two phase thermophilic acidification and mesophilic methanogenesis anaerobic digestion of waste activated sludge", Environmental Engineering Science, 25(9): 1291–1300.
  35. Yılmaz V. and Demirer G.N., 2008. "Enhancing the performance of anaerobic digestion of dairy manure through phase-separation", Clean-Soil Air Water, 36(9): 760–766.
  36. Erguder T.H. and Demirer G.N., 2008. "Low Strength Wastewater Treatment with Combined Granular Anaerobic and Suspended Aerobic Cultures in USB Reactors", ASCE Journal of Environmental Engineering, 134(4): 295–303.
  37. Yılmaz V. and Demirer G.N., 2008. "Improved anaerobic acidification of unscreened dairy manure", Environmental Engineering Science, 25(3): 309–318.
  38. Uludag-Demirer S., Demirer G.N., Frear C. and Chen S., 2008. "Anaerobic digestion of dairy manure with enhanced ammonia removal", Journal of Environmental Management, 86(1): 193–200.
  39. Demirer G.N. and Chen S., 2008. "Anaerobic biogasification of undiluted dairy manure in leaching bed reactors", Waste Management, 28(1): 112–119.
  40. Avşar E. and Demirer G.N., 2008. "Cleaner production opportunity assessment study in SEKA Balikesir pulp and paper mill", Journal of Cleaner Production, 16(4): 422–431.
  41. Yalçın Pişkin F. and Demirer G.N., 2007. "Evaluation of the hazardous waste landfill cap system design criteria with the HELP Model", International Journal of Environment and Pollution, 31(1/2): 178–192.
  42. Özbay A. and Demirer G.N., 2007. "Cleaner production opportunity assessment for a milk processing facility", Journal of Environmental Management, 84(4): 484–493.
  43. Korkusuz E.A., Beklioglu M. and Demirer G.N., 2007. "Use of blast furnace granulated slag as a substrate in vertical flow reed beds: Field Application", Bioresource Technology, 98(11): 2089–2101.
  44. Isci A. and Demirer G.N., 2007. "Biogas production potential from cotton wastes", Renewable Energy, 32(5): 750–757.
  45. Özeler D., Yetiş Ü. and Demirer G.N., 2006. "Life cycle assessment of municipal solid waste management methods: Ankara case study", Environment International, 32(3): 405–411.
  46. Demirer G.N. and Chen S., 2005. "Anaerobic digestion of dairy manure in a hybrid reactor with biogas recirculation", World Journal of Microbiology and Biotechnology, 21(8–9): 1509–1514.
  47. Ergüder T.H. and Demirer G.N., 2005. "Investigation of granulation of a mixture of suspended anaerobic and aerobic cultures under alternating conditions", Process Biochemistry, 40(12): 3732–3741.
  48. Uludag-Demirer S., Demirer G.N. and Chen S., 2005. "Ammonia removal from anaerobically digested dairy manure by struvite precipitation", Process Biochemistry, 40(12): 3667–3674.
  49. Demirer G.N. and Chen S., 2005. "Two-phase anaerobic digestion of unscreened dairy manure", Process Biochemistry, 40(11): 3542–3549.
  50. Ergüder T.H. and Demirer G.N., 2005. "Granulation of a mixture of suspended anaerobic and aerobic cultures: A preliminary study", Journal of Chemical Technology & Biotechnology, 80(7): 837–842.
  51. Tezel U., Demirer G.N. and Uludag-Demirer S., 2005. "Control of trichloroethylene emissions from sparging systems by horizontal bio- and chemo-barriers", Environmental Technology, 26(2): 171–178.
  52. Korkusuz E.A., Beklioglu M. and Demirer G.N., 2005. "Comparison of blast furnace slag-based and gravel-based vertical flow wetlands for domestic wastewater treatment", Ecological Engineering, 24(3): 187–200.
  53. Demirer G.N. and Chen S., 2004. "Effect of retention time and organic loading rate on anaerobic acidification and biogasification of dairy manure", Journal of Chemical Technology & Biotechnology, 79(12): 1381–1387.
  54. Güngör-Demirci G. and Demirer G.N., 2004. "Effect of initial COD concentration, nutrient addition, temperature and microbial acclimation on anaerobic treatability of broiler and cattle manure", Bioresource Technology, 93(2): 109–117.
  55. Demirer G.N., Uludag-Demirer S. and Arikan Y., 2003. "Integrated-preventive environmental management training for municipalities: A case study from Turkey", Environmental Quality Management, 13(2): 67–75.
  56. Uzal N., Gokcay F.G. and Demirer G.N., 2003. "Sequential (anaerobic/aerobic) biological treatment of malt whisky wastewater", Process Biochemistry, 39(3): 279–286.
  57. Sen S. and Demirer G.N., 2003. "Sequential biological treatment of synthetic textile wastewater containing a reactive azo dye", ASCE Journal of Environmental Engineering, 129(7): 595–601.
  58. Ergüder T.H., Güven E. and Demirer G.N., 2003. "The inhibitory effects and removal of dieldrin in continuous UASB reactors", Bioresource Technology, 89(2): 191–197.
  59. Sen S. and Demirer G.N., 2003. "Anaerobic treatment of real textile wastewater with a fluidised bed reactor", Water Research, 37(8): 1868–1878.
  60. Ergüder T.H., Güven E. and Demirer G.N., 2003. "The inhibitory effects of lindane in batch and UASB reactors", Chemosphere, 50(1): 165–169.
  61. Demirer G.N., 2002. "Education: A critical component in the promotion of cleaner production", RAC/CP Annual Technical Publication, 11: 98–105.
  62. Yalçın F. and Demirer G.N., 2002. "Performance evaluation of landfills with the HELP model: Izmit case study", Environmental Geology, 42(7): 793–799.
  63. Haytoglu B., Demirer G.N. and Yetiş U., 2001. "Effectiveness of anaerobic biomass in adsorbing heavy metals", Water Science and Technology, 44(10): 245–252.
  64. Tezel U., Güven E., Ergüder T.H. and Demirer G.N., 2001. "Sequential (anaerobic/aerobic) biological treatment of Dalaman SEKA pulp and paper industry effluent", Waste Management, 21(8): 717–724.
  65. Uludag-Demirer S., Demirer G.N. and Bowers A.R., 2001. "Comparison of methods for estimating carbonaceous BOD parameters", Environmental Technology, 22(8): 915–926.
  66. Capar G., Demirer G.N., Dilek F. and Yetiş U., 2001. "Removal of trihalomethane precursors by granular activated carbon treatment", Fresenius Environmental Bulletin, 10(2): 197–202.
  67. Ergüder T.H., Tezel U., Güven E. and Demirer G.N., 2001. "Anaerobic biotransformation and methane generation potential of cheese whey in batch and UASB reactors", Waste Management, 21(7): 643–650.
  68. Demirer G.N., Duran M., Ergüder T.H., Güven E., Ugurlu Ö. and Tezel U., 2000. "Anaerobic treatability and biogas production potential studies of different agro-industrial wastewaters in Turkey", Biodegradation, 11(6): 401–405.
  69. Ergüder T.H., Güven E. and Demirer G.N., 2000. "Anaerobic treatment of olive mill wastes in batch reactors", Process Biochemistry, 36(3): 243–248.
  70. Güven E., Ergüder T.H. and Demirer G.N., 2000. "Determination of the optimum loading strategies for monochloro-, trichloro-, and 2,4-dichlorophenoxyacetic acids to anaerobic cultures", Water Science and Technology, 42(1/2): 87–92.
  71. Demirer G.N. and Speece R.E., 2000. "Comparison of anaerobic acrylic acid biotransformation in single- and two-stage pH stat CSTR systems", Water Environment Research, 72(1): 84–89.
  72. Yetiş Ü., Demirer G.N. and Gökçay C.F., 1999. "Effect of chromium(VI) on the biomass yield of the activated sludge", Enzyme and Microbial Technology, 25: 48–54.
  73. Demirer G.N. and Speece R.E., 1999. "Inhibitory effects and biotransformation of acrylic acid in computer-controlled pH-stat reactors", Biotechnology and Bioengineering, 62(2): 200–207.
  74. Demirer G.N. and Speece R.E., 1998. "Toxicity of acrylic acid to acetate-enriched Methanosarcina cultures", ASCE Journal of Environmental Engineering, 124(4): 345–352.
  75. Demirer G.N. and Speece R.E., 1998. "Anaerobic biotransformation of four 3-carbon compounds in UASB reactors", Water Research, 32(3): 747–759.
  76. Demirer G.N. and Speece R.E., 1997. "Anaerobic biotransformation of acrylic acid in UASB reactors", Environmental Technology, 18(11): 1111–1122.
  77. Speece R.E., Duran M., Demirer G.N., Zhang H. and DiStefano T., 1997. "The role of process configuration in the performance of anaerobic systems", Water Science and Technology, 36(6–7): 539–547.
  78. Demirer G.N., Duran M. and Tanner R.D., 1996. "Modeling the catalytic activity and kinetics of lipase (Glycerol-Ester hydrolase)", Biotechnology and Bioprocess Engineering, 1: 46–50.

National Journals

  1. Kaya D., Eyidoğan M., Demirer G.N., et al., 2011. "Sürdürülebilir ve Çevre Dostu Hayvancılık İşletmeciliği: Hayvansal Atıklardan Biyoenerji ve Biyoürün Eldesi", Mühendis ve Makina Dergisi, TMMOB, 622(11): 73–82.
  2. Uysal A., Yılmazel Y.D., Demirer G.N., 2011. "Anaerobik olarak çürütülmüş arıtma çamurlarından strüvit çöktürmesiyle nütrient geri kazanımı", İTÜ Dergisi/E Su Kirlenmesi Kontrolü, 21(1): 25–32.
  3. Öztürk E., Demirer G.N., Yetiş Ü. and Dilek F.B., 2010. "Türkiye'de bir tekstil fabrikasında kimyasal madde değişimine yönelik ön değerlendirme", İTÜ Dergisi/E Su Kirlenmesi Kontrolü, 20(2): 12–24.
  4. Tezel U., Demirer G.N. and Uludag-Demirer S., 2004. "Treatment of gaseous trichloroethylene by a sequential (biological/chemical) reactor system", Turkish Journal of Engineering and Environmental Sciences, 28(5): 289–296.
  5. Korkusuz E.A., Beklioglu M., Demirer G.N., 2004. "Treatment efficiencies of the vertical flow pilot-scale constructed wetlands for domestic wastewater treatment", Turkish Journal of Engineering and Environmental Sciences, 28(5): 333–344.
  6. Arikan Y., Uzal N., Oguz M. and Demirer G.N., 2004. "Characterization of the Mamak municipal solid waste dump site leachate and its effects on the Imrahor creek", UCTEA-CEE Environmental Science and Technology, 2(1): 102–116.
  7. Uludag-Demirer S., Duran M. and Demirer G.N., 2003. "Frontiers in environmental engineering research", UCTEA-CEE Environmental Science and Technology, 1(3): 17–22.
  8. Yetiş Ü., Demirer G.N. and Tekin H., 1999. "Effect of shock Chromium(VI) load on the activated sludge process", Turkish Journal of Engineering and Environmental Sciences, 22(6): 445–453.

Books and Book Chapters

  1. Alkaya E., Böğürcü M., Ulutaş F. and Demirer G.N., 2011. "Cleaner (Sustainable) Production in Textile Wet Processing". In Non-Conventional Textile Waste Water Treatment, Editor: A. El Nemr, Nova Science Publishers Inc., New York, USA.
  2. Ergüder T.H. and Demirer G.N. "Biological Treatment of Micropollutants". In Treatment of Micropollutants in Water and Wastewater, Editors: J. Virkutyte, R.S. Varma and V. Jegatheesan, IWA Publishing, London, UK, 2010.
  3. Duran M. and Demirer G.N. Fundamental Processes in Water Treatment, Publication of the UCTEAT Chamber of Environmental Engineers, 203 pages, December 1997, Ankara. (in Turkish)
  4. Demirer G.N. and Torunoglu E. Integrated/Preventive Environmental Management Training For Municipalities Project Handbook, Chamber of Environmental Engineers and Swiss Development and Cooperation Agency, December 2000, Ankara, Turkey. (in Turkish)
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