Search Results for the EPA National Library Catalog

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Development of phosphate removal processes : development and demonstration of phosphate removal facilities at Detroit using an activated sludge process and steel pickling liquor. / 1970
Developments at Eleventh International Conference on Water Pollution Research {microform} / 1984
Developments at International Conference on Water Pollution Research (13th) Held at Rio de Janeiro, Brazil on August 17-21, 1986. 1987
Developments at international conference on water pollution research (14th). : Held at Brighton, England on July 17-22, 1988. 1989
Developments at Tenth International Conference on Water Pollution Research Held at Toronto, Canada on June 23-27, 1980. 1981
Developments at Twelfth International Conference on Water Pollution Research, Amsterdam, the Netherlands, September 17-21, 1984 / 1986
Diagnostic Operational Modeling 1982
Digital computer control of advanced waste treatment systems / 1977
Digital Computer Programs for the Cost Engineer. 1971
Disposal of dilute pesticide solutions / 1979
Disposal of dilute pesticide solutions / 1979
DNA Concentration as an Estimate of Sludge Biomass. 1971
Downflow granular filtration of activated sludge effluents / 1977
Downflow granular filtration of activated sludge effluents / 1977
Dynamic model of nitrification for the activated sludge process 1973
Ecology of Sphaerotilus in Activated Sludge. 1967
Economics of Consolidating Sewage Treatment Plants by Means of Interceptor Sewers and Force Mains. 1971
Effect of aeration basin configuration on bulking at low organic loading / 1982
Effect of Aeration Basin Configuration on Bulking at Low Organic Loading. 1982
Effect of an Activated Sludge Wastewater Treatment Plant on Ambient Air Densities of Aerosols Containing Bacteria and Viruses. 1985
Effect of Carbon to Nitrogen Ratio on Activated Sludge Subsidence and Dewatering Characteristics. 1974
Effect of Chlorination on Selected Organic Chemicals. 1972
Effect of hazardous material spills on biological treatment processes / 1977
Effect of Organic Amendments from Garbage Grinding on a Biological Treatment System. 1972
Effect of powered activated carbon in a petroleum refinery activated sludge system / 1982
Effect of pretreatment on the filtration of low turbidity secondary effluent / 1980
Effect of recycling thermophilic sludge on the activated sludge process / 1990
Effect of surface groups on adsorption of pollutants / 1970
Effects of flow equalization on the operation and performance of an activated sludge plant / 1977
Effects of water-treatment-plant wastes on domestic wastewater treatment processes 1977
Effects On Toxicity Of Volatile Priority Pollutants Added To A Conventional Wastewater Treatment System 1983
Effects on toxicity of volatile priority pollutants added to a conventional wastewater treatment system / 1983
Efficacy of the Complete Mix Activated Sludge Process in Modular Mode. 1972
Efficient Pricing for Urban Waste Water Renovation. 1973
Egg breaking and processing waste control and treatment / 1975
Egg breaking and processing waste control and treatment / 1975
Electrical Power Consumption for Municipal Waste-water Treatment. 1973
Electrical Stimulation of Microbial Waste Treatment. 1973
Electron Microscope Study of Colloids in Waste Water. 1967
Emerging technology assessment of PhoStrip, A/O, and Bardenpho processes for biological phosphorus removal. 1985
Emerging Technology: Biological Aerated Filter: A Promising Biological Process 1983
Emerging Technology: Sequencing Batch Reactors: A Project Assessment 1983
Engineering assessment of vermicomposting municipal wastewater sludges / 1981
Environmental assessment of regulatory strategies for confined animal feeding operations in Idaho. 1985
Environmental Factors in Design and Operation of Waste Water Sludge Drying Beds. 1971
Environmental Protection Agency (EPA) Research and Development Activities with Oxygen Aeration. 1972
EPA experiences in oxygen-activated sludge / 1974
EPA experiences in oxygen-activated sludge / 1973
EPA guide for identifying cleanup alternatives at hazardous-waste sites and spills : biological treatment / 1985
Evaluation and documentation of mechanical reliability of conventional wastewater treatment plant components 1982
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