Dr. Derya Dursun Balcı

Assist. Prof. Dr. Derya Dursun Balcı  (Summer Practice Coordinator)
 
Interest Areas
Coagulation, flocculation, destabilization, dewatering, and drying processes in particulates and sludges
Colloid science and separation processes
Management of biosolids: reduction, treatment and disposal
Design and optimization of water & wastewater treatment plants
Side stream treatment alternatives
Development and use of process models (especially BioWin™) for wastewater treatment
E-mail: dderya {at} metu.edu.tr
Phone: +90-312-210-5880  Fax: +90-312-210-2646 

Education

  • Ph.D. 2002-2007, UNIVERSITY OF DALEWARE– Newark, DE, USA
Thesis: Gel-like behavior of biosolids in conditioning and dewatering processes
  • M.Sc. 1999-2001, DOKUZ EYLUL UNIVERSITY – Izmir, TURKEY
Thesis: Pollution prevention and wastewater treatment study in a paint manufacturing industry
  • B.Sc. 1995-1999, DOKUZ EYLUL UNIVERSITY – Izmir, TURKEY

Interest Areas

  • Coagulation, flocculation, destabilization, dewatering, and drying processes in particulates and sludges
  • Colloid science and separation processes
  • Management of biosolids: reduction, treatment and disposal
  • Design and optimization of water & wastewater treatment plants 
  • Side stream treatment alternatives
  • Development and use of process models (especially BioWin™) for wastewater treatment

Employment History

  • 2007 - 2014 Process/Research Engineer (Professional Engineer-PE License No:72249, FL) BROWN AND CALDWELL – Orlando, FL & Denver, CO, USA
  • 2002 - 2007 Research Assistant UNIVERSITY OF DALEWARE–  Newark, DE, USA
  • 2000 - 2002 Research Assistant  AKDENIZ UNIVERSITY–  Antalya, TURKEY
  • 1999 - 2000 Environmental Engineer  YASAR GROUP–  Izmir, TURKEY

Research Experience

Research Assistant, University of Delaware, Newark, Delaware, USA

  • Exploring chemical, rheological and physical gel-like behavior of biosolids in conditioning and dewatering processes (funded by National Science Foundation) Newark, Delaware.
  • Evaluation of conditioning efficiency, phosphorus removal and residual Fe3+ and Al3+ ions in Silver Lake Jar Tests (funded by URS).
  • Assessment of flocculant polymer interactions in sequential use for conditioning and thickening processes(funded by Brown and Caldwell).
  • The effect of enzyme pretreatment on dewaterability of digested sludge (both in lab and pilot plant scale) (funded by Veolia water).

Visiting Researcher, Centre National de la recherce scientifique (CNRS), Nancy, France

  • Impact of enzyme pretreatment on the fractions of extracellular polymeric substances

Research Assistant, Akdeniz University, Antalya, Turkey

  • Sea Water Quality Monitoring Project in Antalya Bay (funded by World Bank)
  • Environmental Impact Assessment of Antalya Wastewater Treatment Plant (funded by Municipality of Antalya)

Research Associate, Dokuz Eylul University, Izmir, Turkey

  • Characterization and treatability studies for pigment and paint manufacturing industry wastewater

Professional Experience

Process/Research Engineer, Brown and Caldwell, Orlando, FL, USA

  • Design and optimize the water and wastewater treatment plants for future nutrient requirements
  • Design and evaluate sidestream treatment processes
  • On-site special sampling, process modeling, and  process alternative evaluations for treatment plants
  • The capacity assessment of existing treatment plants
  • Anaerobic digester modeling and optimization for energy production
  • Evaluation of organic waste sources for energy production

Environmental Engineer, Yasar Group, Izmir, TURKEY

  • Design of a wastewater treatment plant to treat solvent including wastewaters
  • Guide waste minimization studies for ISO 14000 certification

Intern, Temelsu International Engineering Services, Ankara, TURKEY

  • Supporting the design of a water treatment plant by using reverse osmosis (desalination project)
  • Preparing an Environmental Impact Assessment Report for a highway

Teaching Experience

Teaching Assistant, University of Delaware, Newark, Delaware, USA

  • Statistics for Engineers, Prof. Dr. Steven K. Dentel
  • Introduction to Environmental Engineering, Prof. Dr. Herbert Allen
  • Introduction to Environmental Engineering, Prof. Dr. Steven K. Dentel

Teaching Assistant, Akdeniz University, Antalya, TURKEY

  • Environmental Modeling, Prof. Dr. Habib Muhammedoglu
  • Unit Operations in Water Treatment, Prof. Dr. Habib Muhammedoglu
  • Water Supply Engineering, Prof. Dr. Habib Muhammedoglu
  • Environmental Chemistry Laboratory, Prof. Dr. Bulent Topkaya

Skills and Capabilities

  • Standard water and wastewater analysis (physical, chemical, biological)
  • Filtration, separation methods
  • Electrokinetic analysis of particles, colloids
  • Rheological analysis; standard, dynamic, novel
  • High Pressure Liquid Chromatography (HPLC)
  • Fourier Transform Infrared Spectroscopy (FTIR)
  • Gas Chromatography-Mass Spectrometry (GC-MS)
  • BioWin™ Simulator training course

Awards

  • Malcolm Pirnie Outstanding Graduate Student Award, 2006
  • Air and Waste Management Association Delaware Valley Chapter Scholarship, 2006
  • International Water Association (IWA) Young Researchers Scholarship, 2006
  • Best paper award in IWA 2006 Young Researchers Conference, 2006
  • Centre National de la recherce scientifique (CNRS, France) Scholarship, 2006
  • Professional Engineer (PE), Florida, 2010

Affiliations

  • International Water Association (IWA), Specialist groups: Sludge management, anaerobic digestion, recycling and reuse.
  • Water Environment Federation (WEF), Florida Water Environment Association (FWEA)
  • American Society of Civil Engineers (ASCE)

Publications

Book Chapters

  • Coauthor of Water Environment Federation’s (WEF) Manual of Practice – Conditioning Section (2010)
  • Coauthor of Environmental Protection Agency’s (EPA) Process Design Manual for Sludge Treatment and Disposal – Sludge Transport and Conveyance Section (2012)

Refereed Journals

  • Ebil M.T., Dursun D., Dentel S. K. (2014). Enhancement of Odor Removal and Dewaterability of Anaerobically Digested Sludge by Protease Addition. Journal of Residuals Science and Technology 11 (2), 55-64.
  • Dentel, S.K., Dursun, D. (2009). Shear Sensitivity of Digested Sludge: Comparison of Methods and Application in Conditioning and Dewatering. Water Research 43, 4617-4625.
  • Dursun D., Dentel S.K. (2009). Toward the Conceptual and Quantitative Understanding of Biosolids Conditioning: The Gel Approach. Water Science and Technology 59(9), 1679-1685.
  • Dursun D., Dentel S.K. (2007). The importance of structural and gel fractions in determining shear sensitivity of sludge. Water Science and Technology 56(9), 75-86.
  • Dursun, D., Turkmen, M., Abu-Orf M., Dentel S.K. (2006). Enhanced Sludge Conditioning by Enzyme Pretreatment: Comparison of Laboratory and Pilot Scale Dewatering Results. Water Science and Technology, 54(5), 33-41.
  • Dursun, D., Sengul, F. (2006). Waste Minimization Study in a Solvent Based Paint Manufacturing Study. Resources, Conservation and Recycling, 47(4), 316-331.
  • Dursun, D., Ayol, A., Dentel, S.K. (2004). Physical Characteristics of a Waste Activated Sludge. Water Science and Technology, 50 (9), 129-136.

Conference Papers and Presentations (International)

  • Sfeir H., Dursun D., Hernandez M., Peters J. (2014). Attacking I/I and Persistance to Protect Lake Monroe: From Smart Planning to Successful Results, WEFTEC, New Orleans, October 2014.
  • Dursun D., Peters J. (2013). Locating Areas of Infiltration/Inflow using Existing Pump Station Runtime Data, WEFTEC, Chicago, October 2013.
  • Dursun D., Phillips D., Briggs A., Jimenez J. (2012) Comparison of Process Alternatives for Enhanced Nutrient Removal: Perspectivess on Energy Requirements and Costs, WEFTEC, New Orleans, New Orleans, October 2012.
  • Dursun D., Jimenez J., Bratby J. (2011) Moving Forward in Process Modeling: Integrating Anaerobic Digester into Liquid Stream Models, WEFTEC, Los Angeles, October 2011.
  • Dursun D., Jimenez J., Bratby J. (2011) Integrating Anaerobic Digester with Liquid Stream Treatment:Modelling Approach, Residuals and Biosolids Conference, Sacramento, May 2011.
  • Muller C., Dursun D., Merlo R., Krugel S., Ekster A., Yerropotu B. (2011) Deriving More Information from Volatile Solids Data, Residuals and Biosolids Conference, Sacramento, May 2011.
  • Jimenez J.,Dursun D., Dold P., Bratby J, Keller J and Denny Parker (2010). Simultaneous Nitrification-Denitrification to Meet Low Effluent Nitrogen Limits: Modeling, Performance and Reliability, WEFTEC, New Orleans, October 2010.
  • Dursun D, Dentel S.K (2009). Characterization of Extracellular Polymeric Substances by Combined Enzyme Hydrolysis and Size Exclusion Chromatography-Infrared Microscopy, WEFTEC, Orlando, October 2009.
  • Dentel S.K., Dursun D. (2009). Biosolids as Gel-Like Materials: From Theory to Practical Applications, WEFTEC, Orlando, October 2009.
  • Dursun D., Bratby J., Petrik K., Farmer G., Gardner M. (2009). The impacts of lower ammonia limitations on the existing disinfection systems, RMWEA Annual Conference, Albuquerque, NM. September, 2009.
  • Dursun D, Dentel S.K (2008). Biosolids as Gels: A New Way of Looking at Conditioning and Dewatering, WEFTEC, Chicago, October 2008.
  • Dursun D, Bratby J, Hanzon B (2008). The Effect of High TDS Concentrations on the Performance of a Biological Wastewater Treatment Plant, RMWEA Annual Conference, Colorado Springs, CO, September, 2008.
  • Dursun D, Dentel S.K. (2008). New Rheological Method to Evaluate the Dewaterability of Biosolids, Residuals and Biosolids Conference, Philadelphia,PA, March 2008.
  • Dursun D, Dentel S.K. (2008). Toward the Conceptual and Quantitative Understanding of Biosolids Conditioning: The Gel Approach, IWA Young Water Professionals Conference, UC Berkeley, July 2008.
  • Dursun, D., Dentel, S.K. (2007). The Importance of Structural and Gel Fractions in Determining Shear Sensitivity of Sludge. IWA Facing Sludge Diversities: Challanges, risks and opportunities, Antalya, Turkey, March 2007.
  • Dentel, S.K., Dursun, D., Kelly, R., Molseed, A., Vestergaard-Hansen, B., Wilkie, T. (2007). Flocculant Polymer Interactions in Sequential Use for Thickening and Dewatering. Residuals and Biosolids Conference, Colorado Denver, April 2007.
  • Abu-Orf, M., Dentel, S.K., Dursun, D., Turkmen, M. (2007). Pilot Scale Evaluation of Enzyme Pre-treatment to Enhance Dewatering: Effect of Network Strength and Polymer. Residuals and Biosolids Conference, Colorado Denver, April 2007.
  • Dursun, D., Ayol, A, Dentel, S.K. (2006). Pretreatment of Biosolids by Multi-Enzyme Mixtures Leads to Dramatic Improvements in Dewaterability.  WEF Residuals and Biosolids Conference, Cincinnati Ohio, April 2006.
  • Dursun, D., Dentel S.K. (2006). Enhancement of Dewaterability with Specific Enzyme Pretreatment: Role of Proteins and Carbohydrates.  IWA Young Researchers Conference, Singapore, May 2006 (best paper award).
  • Dursun, D., Dentel, S.K. (2006). Shear Sensitivity of Digested Sludge: Comparison of Methods and Application in Conditioning and Dewatering.  IWA Sustainable Sludge Management Conference, Moscow, May 2006.
  • Erdem A, Yalçın O.B, Dursun D, Özden T, Kurt P.B., Oğuz H., (2002). Land Originated Pollution in Antalya Gulf and the Improvements Ensured by Sea Outfalls, 2nd International Conference on Marine Waste Water Discharges, MWWD 2002-1 Istanbul, Turkey
  • Dursun D, Erdem A, Topkaya B, (2002).Wastewater Treatment and Disposal Facilities Along the Coastal Zone of Antalya, ISWA 2002, Istanbul, Turkey
  • Muhammetoglu H, Muhammetoglu A, Dursun D, (2001). Dilution of Discharged Effluent in Antalya Sea Outfall, The Fifth International Conference on the Mediterranean Coastal Environment, Tunisia

Conference Papers and Presentations (National)

  • Sengul F, Dursun D, Catalkaya E., Dincer A.R, Kargi F. (2003). Solvent İçerikli Boya Sanayi Atıksularının Arıtımı, Çevre Bilim & Teknoloji, Cilt 1, Sayi 3, Sayfa 1-9.
  • Dursun D, Erdem A, Topkaya B, (2001). Turizm Sektöründe ISO 14000 Uygulaması, IV Ulusal Çevre Mühendisliği Sempozyumu, Mersin, Türkiye
  • Erdem A, Topkaya B, Dursun D, Guney N, (2001), Katı Atık Bertarafında Kompostun Yeri, Birinci Ulusal Katı Atık Kongresi, İzmir, Türkiye
  • Dursun D, Sengul F, (2001). Bir Boya fabrikası için Atık Azaltımı Uygulaması, Arıtım 2000 Uluslararası Sempozyum ve Sergisi, İstanbul, Türkiye
  • Sengul F, Buyukkamaci N, Dursun D, (2000), Bitkili Arıtım Sistemlerinin Endüstriyel Atıksu Arıtımında Kullanımı ile İlgili Örnek Bir Çalışma, GAP Çevre Kongresi, Şanlıurfa, Türkiye