UH Dept of Civil & Environmental Engineering
University of Houston Cullen College of Engineering
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Faculty

Dennis Clifford

Thomas and Laura Hsu Professor of Environmental Engineering
Director of the Environmental Engineering Graduate Program

UH Department of Civil and Environmental Engineering
N107 Engineering Builiding 1, Houston, TX 77204-4003
tel: 713-743-4266 | fax: 713-743-4260 | DAClifford@uh.edu

Education
Ph.D. Environmental Engineering, University of Michigan, 1976
   Dissertation topic: Multicomponent chromatographic behavior of sulfate, nitrate,
   chloride, and bicarbonate during nitrate removal by ion exchange
M.S.E. Chemical Engineering, University of Michigan, 1974
M.S.E. Environmental Engineering, University of Michigan, 1973
46 credits of graduate and undergraduate courses in biochemistry, psychology,
   and business administration at Duquesne University, The University of Pittsburgh,
   and Central Michigan University, 1963 – 72
B.S. Chemical Engineering, Michigan Technological University, 1963

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Professional Experience
2004 – Present Professor of Environmental Engineering and Director of Environmental Engineering (EGR-10) Program, Cullen College of Engineering, University of Houston, Houston, Texas
2002 – 2004 Professor of Environmental Engineering, Department of Civil and Environmental Engineering, Cullen College of Engineering, University of Houston, Houston, Texas
2001 – 2002 Sabbatical Leave
1996 – 2001 Chairman and Professor of Environmental Engineering, Department of Civil and Environmental Engineering, Cullen College of Engineering, University of Houston, Houston, Texas
1989 – 1996 Professor of Environmental Engineering and Director of Environmental Engineering (EGR-10) Program (1994 to 1996), Cullen College of Engineering, University of Houston, Houston, Texas
1985 – 1989 Associate Professor of Environmental Engineering and Director of the Environmental Engineering (EGR-10) Program, Cullen College of Engineering, University of Houston, Houston, Texas
1985 (spring) Guest Professor, Engler-Bunte Institute, Water Chemistry Section, University of Karlsruhe, Karlsruhe, Germany
1984 (fall) Visiting Associate Professor, Rice University, Department of Environmental Science and Engineering, Houston, Texas
1982 – 1984 Associate Professor of Environmental Engineering and Director (1982) of the Environmental Engineering Program, Cullen College of Engineering, University of Houston, Houston, Texas
1976 – 1982 Assistant Professor of Environmental Engineering and Director (1978, 1980, 1981) Environmental Engineering Program, Cullen College of Engineering, University of Houston, Houston, Texas
1975 – 1976 Graduate Student Research Assistant, University of Michigan
1972 – 1975 Fellowships and Traineeships, University of Michigan
1971 – 1972 Senior Technical Associate, then Wastewater Laboratory Manager, C.W. Rice Division of NUS Corporation, Pittsburgh, Pennsylvania. Process design and development for treatment and disposal of industrial wastewaters.
1968 – 1971 Project Manager, Instrument Division of Fisher Scientific Company, Pittsburgh, Pennsylvania. Research development and design of digital and analog pH meters, pION meters and kinetic analyzers.
1963 – 1968 Special Assignments Engineer, then Instrument Engineer, Dow Chemical Company, Midland, Michigan. Research, development, design, and application engineering of analytical instruments for measurement of water and wastewater quality. Co-inventor and chief developer of the Total Oxygen Demand (TOD) analyzer.

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Current Classes
CIVE 6377 Environmental Chemistry
This class is required for students seeking degrees in the Environmental Engineeering program, and is taught from 7:00 to 8:30 pm on Mondays and Wednesdays in the Fall semester. The course covers aqueous environmental chemistry in natural waters and wastewaters: ionic equilibria, solubility, hardness, alkalinity, buffering, and the carbonate system; theory and practice of quantitaitve water and wastewater analysis.
CIVE 4333 Water and Wasterwater Treatment
The course covers the fundamental principles of design for physical-chemical and biological water and wastewater treatment processes: mixing, coagulation, sedimentation, filtration, disinfection, activated sludge and fixed film processes, aeration and gas transfer, digesters, ponds, and lagoons.
CIVE 6387 Physicochemical Treatment Processes
This class is required for students seeking degrees in the Environmental Engineeering program, and is taught from 5:30 to 7:00 pm on Mondays and Wednesdays in the Spring semester. The course covers the theory and practice of physicochemical processes.
University of Houston Cullen College of Engineering
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