EPA 670/2, Volume 2
United States. Environmental Protection Agency. Office of Research and Development, United States. Environmental Protection Agency. Office of Research and Monitoring, National Environmental Research Center (Corvallis, Or.)
Office of Research and Development, U.S. Environmental Protection Agency, 1972 - Environmental engineering
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13th Edition activated sludge aeration tank alum dose ammonia ammonia-nitrogen removal analyses autotrophic Average Influent bacteria biological nitrification BOD REMOVAL BOD5 cadmium carbon chemical chloramines chlorine clarification system clarifier coagulant combined sewer overflow concentration dechlorination deicing detention disinfection dual-media filter Edition of Standard effect Effluent Cone Fecal Coliform filter headloss filter runs filtration floc flocculation gpm/ft2 heterotrophs Highway Research Incr indicated influent and effluent levels LIME ADDITIONS lime dose loading rates maceration mg/l microstrainer minutes mixing intensity MLSS molybdenum ND ND nitrification nitrogen operation organic overflow rate oxidation particle pavement phosphate removal phosphorus pilot plant Pollution precipitation range rapid sand rapid sand filter reaction recycle reduced removal efficiency REMOVALS WITH LIME residual salt sample shown in Figure Sieve All passed Sieve All retained snow Standard Methods storm Technology temperature tion total phosphate trace metals turbidity U.S. Army U.S.S. Sieve wastewater