Search Results for the EPA National Library Catalog

Items Found: 2132

Showing: Items 151 - 200

Your Search: (SUBJECT=Sewage Purification.)

 
 
 

PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 43 NEXT
Select Item Title Year Published
Analysis of chemical digester sludges for metals by several laboratory groups 1978
Analysis of chlorinated organic compounds formed during chlorination of wastewater products / 1983
Analysis of the Lake Michigan basin phosphorus removal policy in Wisconsin 1975
Analysis of the performance of activated sludge and aerated stabilization basin systems in controlling the release of suspended solids in treated mill effluents to receiving waters. 1973
Analytical aspects of ozone treatment of water and wastewater 1986
Analytical aspects of ozone treatment of water and wastewater : a monograph / 1987
Analytical procedures for determining organic priority pollutants in municipal sludges / 1980
Analytical techniques and residuals management in water pollution control 1987
Anamet process for waste-water purification 1981
ANSI/AWWA B304-13 : liquid oxygen for ozone generation for water, wastewater, and reclaimed water systems / 2013
Apollo County Park Wastewater Reclamation Project, Antelope Valley, California / 1976
Applicability of land treatment of wastewater in the Great Lakes area basin : effectiveness of sandy soils at Muskegon County, Michigan, for renovating wastewater / 1979
Applicability of land treatment of wastewater in the Great Lakes area basin : impact of wastewater diversion, spray irrigation on water quality in the Muskegon County, Michigan, lakes / 1979
Application of hyperfiltration to treatment of municipal sewage effluents. 1970
Application of membrane bioreactors followed by desalting reverse osmosis membranes for the treatment of primary wastewater for water reuse / 2004
Application of on-line analytical instrumentation to process control proceedings of the First Annual Conference on Activated Sludge Process Control / 1982
Application of phytotechnologies for cleanup of industrial, agricultural and wastewater contamination. 2010
Application of reverse osmosis technology to Hawaiian low quality waters : project completion report of reverse osmosis technology 1973
Application of rotating disc process to municipal wastewater treatment / 1971
Application of ultraviolet disinfection in a tertiary wastewater treatment plant 1982
Application of wastewater to wetlands 1983
Applications of commercial oxygen to water and wastewater systems. 1973
Applications of new concepts of physical-chemical wastewater treatment. 1972
Applied chemistry of wastewater treatment programmed learning 1973
Appraisal of granular carbon contacting. 1969
Appraisal of powdered activated carbon processes for municipal wastewater treatment / 1977
Appropriate technology for the treatment of wastewaters for small rural communities : report on a WHO meeting, Lyon, 7-11 June 1982. 1985
Appropriate technology for the treatment of wastewaters for small rural communities report on a WHO meeting, Lyon, 7-11 June 1982. 1985
Appropriate waste management for developing countries 1985
Aquaculture systems for wastewater treatment : seminar proceedings and engineering assessment / 1979
Aqueous - phase oxidation of sludge using the vertical reaction vessel system. the city of Longmont Longmont, Colorado. 1989
Aqueous-phase oxidation of sludge using the vertical reaction vessel system. 1987
Aqueous-phase oxidation of sludge using the vertical reaction vessel system. {Microfiche} 1987
Area and agency designation handbook for Section 208 areawide waste treatment management planning / 1975
Assessment of biodegradability, 1981. 1983
Assessment of coal conversion wastewaters : characterization and preliminary biotreatability / 1978
Assessment of current information on overland flow treatment of municipal wastewater / 1980
Assessment of design tradeoffs when using intrachannel clarifiers / 1986
Assessment of emerging technologies for metal finishing pollution control : three case studies / 1981
Assessment of I/A facilities seeking 100 percent modification/replacement funding : case histories / 1986
Assessment of I/A facilities seeking 100 percent modification/replacement funding case histories 1986
Assessment of kraft bleachery effluent toxicity reduction using activated sludge 1977
Assessment of metals in Massachusetts municipal wastewater treatment facilities 1988
Assessment of on-site graywater and combined wastewater treatment and recycling systems / 1992
Assessment of single-stage trickling filter nitrification / 1991
Assessment of single-stage trickling filter nitrification / 1991
Assessment of the nitrifying ability of activated sludge 1980 (tentative methods) 1983
Assessment of vortex solids separators for the control and treatment of wet-weather flow. 1996
Association of Metropolitan Sewerage Agencies silver discharges survey : final report / 1993
Autoheated, aerobic thermophilic digestion with air aeration / 1982
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 43 NEXT

Save, Print or Email Selected Records