Search Results for the EPA National Library Catalog

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Select Item	Title	Year Published
1	Alum addition and step-feed studies in oxygen-activated sludge /	1977
2	Alum Addition and Step-Feed Studies in Oxygen-Activated Sludge.	1977
3	Carbon, nitrogen, and phosphorus removal in staged nitrification-denitrification treatment /	1975
4	Evaluation of on-site wastewater treatment and disposal options /	1981
5	Evaluation of on-site wastewater treatment and disposal options /	1981
6	Experimental evaluation of oxygen and air activated sludge nitrification systems with and without pH control /	1976
7	Feasibility of treating septic tank waste by activated sludge /	1977
8	Performance of activated sludge-powered activated carbon-wet air regeneration systems : project summary /	1990
9	Pilot plant evaluation of alternative activated sludge systems /	1977
10	Production engineering and marketing analysis of the rotating disk evaporator /	1981
11	Sequential nitrification-denitrification in a plug flow activated sludge system /	1979
12	Single stage nitrification-denitrification /	1975
13	Summary of Design information on rotating biological contactors /	1984
14	Technology assessment of anaerobic systems for municipal wastewater treatment : 1) anaerobic fluidized bed, 2) ANFLOW /	1982
15	Technology assessment of two anaerobic systems for wastewater treatment	1980
16	Trickling filter/solids contact performance with rock filters at high organic loadings /	1986

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