Mohamed Dahab, Ph.D., P.E., BCEE

Dr. Mohamed Dahab is Professor and Chair of the Department of Civil Engineering at the University of Nebraska.  He is a graduate of the University of Iowa with a Bachelor of Science in Civil Engineering and Iowa State University with MS and Ph.D. degrees in Environmental Engineering.  His research interests include biological treatment, nutrient removal, biosolids management, and the use of natural systems for wastewater treatment. A Fulbright Research Professor, he is engaged internationally with university programs in Austria, Brazil, Egypt, Hungary, Korea, and Spain; among others. He is a registered professional engineer (PE) and a Board Certified Environmental Engineer (BCEE) by the American Academy of Environmental Engineers (AAEE).

In addition to being the immediate Past President of the Water Environment Federation (WEF), Dr. Dahab a member of the Board of Directors of the Water Environment Research Foundation; the Scientific Program Committee of the Stockholm International Water Institute; and the USA National Committee of the International Water Association (IWA).  He served as Trustee of the American Academy of Environmental Engineers and a member of the U.S. Army Corps of Engineers Environmental Advisory Board. In addition to WEF and IWA, Dr. Dahab is a member of American Society of Civil Engineers; the American Water Works Association; the Association of Environmental Engineering and Science Professors; and the American Academy of Environmental Engineers.

• Ph.D., Environmental Engineering, Iowa State University, Ames, Iowa, 1982.
• M.S.C.E., Environmental Engineering, Iowa State University, Ames, Iowa, 1976.
• B.S.C.E., Civil Engineering, University of Iowa, Iowa City, Iowa, 1974.

• Professor and Chair, Department of Civil Engineering, UNL, (Aug.1999-Present).
• Professor, Civil Engineering and Biological Systems Engineering, UNL, (July 1995-Aug. 1999).
• Associate Professor, Departments of Civil Engineering, UNL, (July 1989-June 1995) and Biological Systems Engineering (Jan. 1991-June 1995).
• Assistant Professor, Department of Civil Engineering, UNL, Aug.1983-June 1989.
• Environmental Engineer, Iowa Department of Water, Air, and Waste Management, Des Moines, Iowa, August, 1976-June, 1977; and February, 1982-August, 1983.

• Use of biological treatment systems for water purification and wastewater treatment, and resources and energy recovery.
• Water quality including water purification and wastewater treatment systems with emphasis on nutrients removal from water and small community wastewater systems.
• Solid and hazardous waste management engineering with emphasis on pollution prevention and minimization technologies.
• Risk management techniques for the prevention and control of groundwater contamination.

• Recognized widely for research in the areas of nitrate removal from groundwater supplies using biological denitrification; nutrient removal from wastewater; the use of wetlands and natural systems for small-community wastewater treatment; and pollution prevention and waste minimization in the areas of solid and hazardous waste management engineering.
• Active collaborator with many leading national and international environmental engineering and science programs including dieUniversität für Bodenkultur, Vienna, Austria; the Universidad Politecnica de Madrid, Spain; the Budapest University of Technology and Economics, Budapest, Hungary; Sno Carlos University, Sno Paulo, Brazil, Chonnam National University, Gwangju, Korea, and Cairo University, Cairo, Egypt.
• Principal Investigator or Co-Principal Investigator on research and technology development projects of more than $4,000,000. Principal funding has been from Federal agencies including the U.S. EPA, the U.S. Geological Survey, the U.S. Department of Agriculture and state agencies including the Department of Environmental Quality and the Cities of Lincoln and Kearney.

• Registered Professional Engineer (Iowa and Nebraska)
• Board Certified Environmental Engineer (BCEE) in water and wastewater treatment by the American Academy of Environmental Engineers (AAEE).

• Immediate Past President of the Water Environment Federation, October 2007. Also served as President (2007), President-Elect (2006) and Vice President (2005).
• Named to the Board of Directors of the Water Environment Research Foundation (WERF) (2004-2008).
• Named Managing Editor, Water Environment Research Board of Editorial Review, Water Environment Federation, (2003-2008).
• Named to the Executive Committee of the Water Environment Federation, 2001-2002 and 2002-2003.
  
• Named to the U.S. Army Corps of Engineers Chief of Engineers Environmental Advisory Board (EAB), 2002-2007.
  
• Named to the USA National Council of the International Water Association, 2002-Present.
• Elected to the Board of Directors of the Water Environment Federation, representing the Nebraska Water Environment Association, 2000-2003.
• Phi Beta Delta - Honor Society of International Scholars, 2000.
  
• Multi-Disciplinary Research Award, University of Nebraska-Lincoln, College of Engineering and Technology, 1999.
  
• Arthur Sidney Bedell Award recipient, Water Environment Federation and the Nebraska Water Environment Association, November 1998.
  
• Named to the Board of Trustees of the American Academy of Environmental Engineers (AAEE) representing the Association Environmental Engineering and Science Professors (AEESP) (1997-2000).
• Fulbright Research Scholar, the J. William Fulbright Foreign Scholarship Board and the Austrian American Education Commission, in the Institut für Wasservorsorge, Gewässerökologie und Abfallwirtchaft (IWGA),Universität für Bodenkultur-Wien , Vienna, Austria (1996-1997).
• Past-President, Nebraska Water Environment Association, November, 1997. Also elected President (1996) President-Elect (1995), and Vice-President (1994).
• Outstanding Faculty Service Award, College of Engineering and Technology, University of Nebraska-Lincoln, 1993.
• Outstanding Faculty Research Award, College of Engineering and Technology,

• Rabah, F.K.J., M.F. Dahab, and T.C. Zhang, 2007, "Estimation of the intrinsic maximum substrate utilization rate using biofilm batch reactors: a proposed methodology," Water Environment Research, 79, 8, 887-892.
• Zhang, T. C., M.F. Dahab, G. Nunes, C. Hu, and R. Surampalli, 2007, "Phosphorus fate and transport in soil columns loaded intermittently with influent of high phosphorus concentrations," Water Environment Research, 79, 11, 2343-2351.
• Hu, C., T.C. Zhang, D. Kendrick, Y.H. Huang, M.F. Dahab, and R. Surampalli, 2006, Muskegon wastewater land treatment system: fate and transport of phosphorus in soils and life expectancy of the system," Engineering in Life Sciences, 6, 1, 17-25.
• Hu, C., T.C. Zhang, Y.H. Huang, M.F. Dahab, and R. Surampalli, 2005, "Effects of long-term wastewater application on chemical properties and phosphorus adsorption capacity in soils of a wastewater land treatment system," Environmental Science and Technology, 39, 18, 7240-7245.
• Rabah, F.K.J., M.F. Dahab and R.Y. Surampalli, 2005, "Biomass concentration and biofilm characteristics in high-performance fluidized-bed biofilm reactors," Water Science and Technology, 52, 10-11, 579B586.
• Liu, W., M.F. Dahab, and R.Y. Surampalli, 2005, Nitrogen transformations modeling in subsurface flow constructed wetlands," Water Environment Research, 77, 3, 246-258.
• Rabah, F.K., M.F. Dahab, 2004, Biofilm and biomass characteristics in high performance fluidized-bed biofilm reactors," Water Research, 38, 19, 4262-4270.
• Fox, A.L.,  M.F. Dahab, R.Y. Surampalli, and J. E. Smith, Jr., 2004, Effects of storage on stability and pathogen reduction in biosolids," Residuals Science and Technology, Volume 1, No. 4, October.
• Rabah, F.K., M.F. Dahab, 2004, Nitrate removal characteristics of high performance fluidized-bed biofilm reactors," Water Research, 38,17, 3719-3728.
• Botrous, A.E.F., M.F. Dahab, and P. Miháltz, 2004, Nitrification of high-strength ammonium wastewater by a fluidized-bed reactor," Water Science and Technology, 49, 5-6, 65-71.
• Woldt, W.E. B.I. Dvorak, and M.F. Dahab, 2003, Application of fuzzy set theory to industrial pollution prevention : Production system modeling and life cycle assessment," Soft Computing, 7, 6,  419-433.
• Dvorak, B.I, W.E. Woldt, J. Hygnstrom, M.F. Dahab and D. Schulte, 2003, Nebraska pollution prevention project: engineering education through technical assistance," Environmental Qaulity Management, 12, 3, 43-67.
• Dahab, M.F. and R.Y. Surampalli, 2002, Effects of aerobic and anaerobic digestion systems on pathogen and pathogen indicator reduction in municipal sludge, Water Science and Technology, 46, 10, 181-187.
• Csikor, Zs., P. Miháltz, A. Hanifa, R. Kovács, and M.F. Dahab, 2002, Identification of factors contributing to degradation in autothermal thermophilic sludge digestion, , Water Science and Technology, 46, 10, 131-138.
• Dahab, M.F., R.Y. Surampalli, and W. Liu, 2001, Performance modeling of subsurface-flow constructedMiháltz wetlands systems." Water Science and Technology, 44, 11,  231-235.
• Dahab, M.F., and R.Y. Surampalli, 2001, Subsurface-flow constructed wetlands treatment in the plains: five years of experience."  Water Science and Technology, 44, 11, 375-380.
• Jillson, S.J., M.F. Dahab, W.E. Woldt, and R.Y. Surampalli, 2001, Pathogen and pathogen indicator removal characteristics in treatment wetlands systems," ASCE Practice Periodical of Hazardous, Toxic and Radioactive Waste Management, 5, 3, 153-160.
• Vanier, S.M. and M.F. Dahab, 2001, Start-up performance of a subsurface-flow constructed wetland for domestic wastewater treatment,"  Environmental Technology, 22, 5, 587-596.
• Woodbury, B.L. and M.F. Dahab, 2001, Comparison of conventional and two-stage, reversible-flow, static-bed biodenitrification reactors," Water Research, 35, 1563-1571.
• Lee, Y.W., S.Y. Chung, I. Bogardi, M.F. Dahab, and S.E. Oh, 2001, Dose-response assessment by fuzzy linear- regression," Water Science and Technology,43, 2, 133-140.
• Woodbury, B.L and M.F. Dahab, 2000, Effect of retention time and flow reversal on effluent quality from reversible-flow biodenitrification reactors," Water Environment Research, 72, 5, 574-584.
• Dahab, M.F., 2000, EPA/NSF ETV Equipment Verification Testing Plan - Heterotrophic biological denitrification for the removal of nitrate," in: Protocol for Equipment Verification Testing for Physical Chemical and Biological Removal of Nitrate, NSF International, Research and Engineering Services, Ann Arbor, MI.

• Zhang, T. C., M.F. Dahab, G.S. Nunes, and R. Surampalli, 2006, "Column tests for simulation of phosphorus fate and transport and evaluation of life expectancy of a wastewater land treatment system, Proceeding of the ASCE-EWRI World Water and Environmental Resource Congress, Omaha, NE, May 21-25.
  
• Woldt, W., R. Marahatta, D. Schulte, and M.F. Dahab, 2006, AMulti-scale modeling of a constructed wetland system to simulate organic matter removal and clogging," Presented at the IWA 5th International World Water Congress, Beijing, China, September 10-14.
  
• Woldt, W., R. Marahatta, D. Schulte, and M. Dahab, 2006, AModeling biofilm dynamics in a constructed wetland wastewater treatment systems," Proceedings of the ASCE-EWRI World Water and Environmental Resources Congress, Omaha, NE. May 21-25.
  
• Woldt, W., and M. Dahab, 2006, AAdaptive Infrastructure Management for Environmental and Water Resources: A Conceptual Approach," Proceedings of the ASCE EWRI World Water and Environmental Resources Congress, Omaha, NE, May 21-25.
  
• Woldt, W., and M. Dahab, 2006, AAdaptive management of community water and wastewater infrastructure: A conceptual approach," Proceedings of Adaptive Management of Water Resources, American Water Resources Association, Missoula, MT, June 26-28.
  
• Nunes, G. S., T.C. Zhang, C. Hu, M.F. Dahab, and R. Surampalli, 2006, "Phosphorus fate and transport in Muskegon=s wastewater land treatment system," Proceedings of the IWA 5th Biennial International World Water Congress, Beijing, China, Sept. 10-14.
  
• Rabah, F.K.J., M.F. Dahab, and P. Miháltz, 2005, AA Simplified kinetic model for high performance fluidized-bed biofilm denitrification reactors," Proceedings of the International Water Association (IWA) Specialized Conference on Nutrient Management in Wastewater Treatment Processes and Recycle Streams, Krakow, Poland, September 19-21.
  
• Miháltz, P. Zs. Csikor, and M.F. Dahab, 2005, AEnergetic comparison of examples of biological N destruction and physicochemical N recovery results,"  Proceedings of the IWA Specialized Conference on Nutrient Management in Wastewater Treatment Processes and Recycle Streams, Krakow, Poland, September 19-21.
  
• Hu, C., D. Kendrick, T.C. Zhang, Y.H. Huang, M.F. Dahab, and R. Surampalli, 2005, "Performance and phosphorus removal in Muskegon=s wastewater land treatment system,"  Proceedings of the 78th Annual Conference of the Water Environment Federation, Washington, D.C., October 29-11.
  
• Botrous, A.E., M.F. Dahab, P. Miháltz, and R.Y. Surampalli, 2005, AFeasibility analysis of side stream nitrification of anaerobic sludge decant using fluidized-bed reactors,"  Proceedings of the IWA Asia Pacific Regional (ASPIRE) Conference, Singapore, July 10-15.
  
• Hu, C., T.C. Zhang, Y.H. Huang, M.F. Dahab, D. Kendrick, and R. Surampalli, 2005, "Life expectancy of Muskegon=s wastewater land treatment system," Proceedings of the First International Conference on Environmental Science and Technology, New Orleans, LA, January 23-26.
  
• Liu, W. and M.F. Dahab, 2004, ANitrogen transformations modeling in subsurface-flow constructed wetlands,"  Proceedings of the International Water Association Ninth International Conference on Wetland Systems for Water Pollution Control, Avignon, France, September 27-30.
  
• Rabah F.K. J., M.F. Dahab, and R.Y. Surampalli, 2004, ABiomass concentration and biofilm characteristics in high performance fluidized-bed biofilm reactors," Proceedings of the International Water Association Fourth World Water Congress, Marrakech, Morocco, September 19-24.
  
• Woldt, W.E., and M.F. Dahab, 2004, ASensor networks based adaptive management of community water resources systems infrastructure: A conceptual approach,"  Proceedings of the International Water Association International Conference on Automation in Water Quality Monitoring, Vienna, Austria, April 19-20.
  
• Fox, A.L.,  M.F. Dahab, R.Y. Surampalli, and J. E. Smith, Jr., 2004, AEffects of Storage on stability and pathogen reduction in biosolids," Proceedings of the International Water Association International Conference on Resources from Sludge, Singapore, March 2-3
  
• Rabah F.K. J., M.F. Dahab, R.Y. Surampalli and P. Miháltz, 2004, ANitrate removal characteristics of high performance fluidized-bed biofilm reactors," Proceedings of the International Water Association International Conference on Wastewater Treatment for Nutrient Removal and Reuse, Asian Institute of Technology, Bangkok, Thailand, January 26-29.
  
• Botrous, A., M.F. Dahab, P. Miháltz, and R.Y Surampalli, 2003, APilot-scale fluidized-bed reactor for nitrification of biosolids decant,"  Proceedings of the 76th Annual Conference of the Water Environment Federation, Los Angeles, CA, Oct. 11-15.
  
• Botrous, A., M.F. Dahab, and P. Miháltz, 2003, ASidestream treatment of sludge dewatering decant: Pilot-Scale testing and feasibility analysis,"  Proceedings of the International Water Association 9th International Conference on Design, Operation, and Economics of Large Wastewater Treatment Plants, Prague, Czech Republic, September 1-4.
  
• Miháltz, P., R. Kovács, Zs. Csikor, Zs., and M.F.  Dahab, 2003, ADegradation rates in  thermophilic sludge processing B the liquid and the solid way," Proceedings of the International Water Association Biosolids 03 B Wastewater Sludge as a Resource, Trondheim, Norway, June 23-25.
  
• Botrous, A., M.F. Dahab, and P. Miháltz, 2003, ANitrification of high-strength ammonium wastewater by a fluidized-bed reactor," Proceedings of the International Water Association=s 6th International Symposium on Strong Nitrogenous and Agro-Wastewater,  Seoul, Korea, June 11-13.
  
• Dahab, M.F. and W.E. Woldt, 2002, ATreatment wetlands as sustainable wastewater management systems for small communities,"  Proceedings of the International Water Association 8th International Conference on Wetland Systems for Water Pollution Control, Arusha, Tanzania, September 16-19.
  
• Schulte, D.D., B.I. Dvorak, W.E. Woldt, J. Hygnstrom, and M.F. Dahab, 2002, AAssessment of student learning in an innovative educational partnership with business, industry and government agencies,"  Proceedings of the 2002 ASEE/SEFI/TUB Colloquium, Berlin, Germany, Oct. 1-4.
  
• Woldt, W.E., M.F. Dahab, D.D. Schulte, and Y. Wang, 2002, AModeling constructed wetland wastewater treatment performance using fuzzy inference systems,"  Proceedings of the 2002 ASAE Annual International Meeting, Chicago, IL, July 28-31.  ASAE Paper Number: 023041.
  
• Dahab, M.F. and R.Y. Surampalli, 2002, AIntegration of treatment wetlands as sustainable wastewater treatment systems for small communities,"  Proceedings of the CSCE-EWRI International Conference on Environmental Engineering, Niagra Falls, Ontario, July 21-24.
  
• Marahatta, R.C., W.E. Woldt, D.D. Schulte and M.F. Dahab, 2002, ASingle family wastewater treatment using a subsurface constructed wetland,"  Proceedings of the Mid-Central ASAE Meeting, St. Joseph, MO, April 12-13.  ASAE Paper Number: MC02-302.
  
• Surampalli, R.Y., R.D. Tyagi  and M.F. Dahab, 2002, ANutrient removal in a sequential batch reactor,"  Proceedings of the International Water Association International Conference on Environmental Biotechnology, Palmerston, New Zealand, April, 15-17.
  
• Woldt , W.E. M.F. Dahab, D.S. Schulte, Y. Wang, 2002, AModeling wastewater treatment performance of a subsurface-flow constructed wetland using fuzzy logic," Proceedings of the World Congress of the International Water Association, Melbourne, Australia,  April, 7-12.
  
• Dahab, M.F. and R.Y. Surampalli, 2001, AEffects of aerobic and anaerobic digestion systems on pathogen and pathogen indicator reduction in municipal sludge," Proceedings of the International Water Association Specialized Conference on Sludge Management: Regulation, Treatment, Utilization, and Disposal, Acapulco, Mexico, October 25-27.
  
• Liu, W., M.F. Dahab, W.E. Woldt, and R.Y. Surampalli, 2001, ASubsurface-flow treatment wetland and sand filter performance evaluation using multivariate statistical analysis,"   Proceedings of the 74th Annual Conference of the Water Environment Federation, Atlanta, GA, Oct. 13-17.
  
• Dvorak, B.I., W.E. Woldt, M.F. Dahab, and D. Schulte, 2001, APartners in pollution prevention internship program: Combining research and education,"  Proceedings of the 2001 Conference of the American Society for Engineering Education, Albuquerque, NM, June.
  
• Miháltz, P., A. Hanifa, R. Kovács, and M.F. Dahab, 2001, AIdentification of factors contributing to degradation in autothermal thermophilic sludge digestion,"  Proceedings of the International Water Association Specialized Conference on Sludge Management: Regulation, Treatment, Utilization, and Disposal, Acapulco, Mexico, October 25-27.
  
• Burns, N.L, D.D. Schulte and M.F. Dahab, 2001, ADual removal of perchlorate and nitrate from groundwater through biological reduction,"  Proceedings of the Annual Mid-Central Conference, (ASAE Paper No. MC01-308),  St. Joseph, MO.
  
• Botrous, A., I. El-Hattab, and M.F. Dahab, 2000, ADesign of wastewater collection networks using a dynamic programming optimization technique,  Proceedings of the ASCE National Conference on Environmental and Pipeline Engineering, Kansas City, MO, July 23-26.
  
• Dahab, M.F., R.Y. Surampalli, and W. Liu,  2000, AA comparison of prediction models for subsurface-flow constructed wetlands performance,"  Proceedings of the ASCE National Conference on Environmental and Pipeline Engineering, Kansas City, MO, July 23-26.
  
• Dahab, M.F., and R.Y. Surampalli , 2000, AExperience with subsurface-flow constructed wetlands for municipal wastewater treatment in the Midwest,"  Proceedings of the ASCE National Conference on Environmental and Pipeline Engineering, Kansas City, MO, July 23-26.
  
• Liu, W., and M.F. Dahab, 2000, ASubsurface flow constructed wetlands performance evaluation using area-based first-order kinetics,"  Proceedings of the 73rd Annual Conference of the Water Environment Federation, Anaheim, CA, Oct. 14-18.
  
• Jillson, S.J., M.F. Dahab, and R.Y. Surampalli, 2000, APathogen Indicator Organism Removal in Subsurface-Flow Constructed Wetlands,"  Proceedings of the 73rd Annual Conference of the Water Environment Federation, Anaheim, CA, Oct. 14-18.
  
• Dahab, M.F., W. Liu, and R.Y. Surampalli, 2000, APerformance modeling of subsurface-flow constructed wetlands systems." Proceedings of the IWA Seventh International Conference on Wetlands Systems for Water Pollution Control,  Lake Buena Vista, FL, November 12-15.
  
• Dahab, M.F., and R.Y. Surampalli, 2000, ASubsurface-flow constructed wetlands treatment in the plains: five years of experience." Proceedings of the IWA Seventh International Conference on Wetlands Systems for Water Pollution Control, Lake Buena Vista, FL, November 12-15.

• Water Environment Federation
• Water Environment Federation Leadership
• Nebraska Water Environment Association