Search Results for the EPA National Library Catalog

Items Found: 2157

Showing: Items 401 - 450

Your Search: (SUBJECT=Sewage Purification.)

 
 
 

PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 44 NEXT
Select Item Title Year Published
Construction costs for municipal wastewater treatment plants: 1973-1977 / 1978
Construction grants for wastewater treatment works grants awarded under P.L. 92-500. 1975
Construction grants for wastewater treatment works grants awarded under P.L. 92-500. 1976
Contaminant removal from sewage plant effluents by foaming. 1964
Continued evaluation of oxygen use in conventional activated sludge processing / 1972
Contract operation and maintenance : the answer for your town? 1987
Contract operation and maintenance : the answer for your town? 1987
Control of nitrogen in wastewater effluents 1974
Control of nitrogen in wastewater effluents / 1973
Control of nutrients in municipal wastewater effluents / 1980
Control of organic substances in water and wastewater 1983
Control of organic substances in water and wastewater. 1987
Control strategies for the activated sludge process / 1980
Control strategies for the activated sludge process / 1980
Control technology assessment report for emissions from wastewater treatment operations / 1989
Controlling volatile organic compound emissions from industrial wastewater 1990
Conventional tertiary treatment / 1976
Converting rock trickling filters to plastic media : design and performance / 1980
Converting rock trickling filters to plastic media : design and performance / 1980
Cost and performance estimates for tertiary wastewater treating processes / 1969
Cost benefit analysis of selected wastewater beneficiation schemes / 1978
Cost of wastewater treatment processes / 1968
Cost-effective comparison of land application and advanced wastewater treatment / 1975
Course on operational considerations in wastewater treatment plant design : student manual 1978
Course on operational considerations in wastewater treatment plant design instructor's manual 1982
Course on operational considerations in wastewater treatment plant design student manual / 1982
Critical evaluation of extended aeration systems in arctic and subarctic regions 1977
Critical issues in water and wastewater treatment : proceedings of the 1994 National Conference on Environmental Engineering, Boulder, Colorado, July 11-13, 1994 / 1994
Critical review of virus removal by coagulation processes and pH modifications / 1980
Cross-flow filtration in physical-chemical treatment of municipal sewage effluents / 1976
CSM-Biothane U.A.S.B. process for anaerobic wastewater treatment 1983
Current practice in seafoods processing waste treatment, 1971
Cyanide disposal by ozone oxidation / 1974
Cyanide removal from refinery wastewater using powdered activated carbon / 1980
Cyanide removal from refinery wastewater using powdered activated carbon / 1980
Cyanobacteria for bioremediation of wastewaters / 2016
Cyanobacteria for bioremediation of wastewaters / 2016
Decentralized systems technology fact sheet / Control panels. 2002
Decentralized systems technology fact sheet types of filters. [electronic resource] : 2000
Decision-support tools for predicting the performance of water distribution and wastewater collection systems [electronic resource] / 2002
Demineralization of carbon-treated secondary effluent by spiral-wound reverse osmosis process / 1978
Demineralization of sand-filtered secondary effluent by spiral-wound reverse osmosis process / 1977
Demineralization of wastewater by electrodialysis / 1975
Demineralization of wastewater by the transport-depletion process / 1971
Demonstrated technology and research needs for reuse of municipal wastewater / 1975
Demonstration and evaluation of the CAPTOR process for sewage treatment / 1989
Demonstration and evaluation of the CAPTOR process for sewage treatment : project summary / 1989
Demonstration of a full-scale waste treatment system for a cannery / 1972
Demonstration of a high-rate activated sludge system 1975
Demonstration of a leachate treatment plant / 1978
PREV 1 ... 4 5 6 7 8 9 10 11 12 13 14 ... 44 NEXT

Save, Print or Email Selected Records