6 pages matching biochemical oxygen demand in this book
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activated sludge activated-sludge plants activated-sludge process aeration basin ammonia attached-growth systems bacteria biocell biochemical oxygen demand biodegradable Biofilm model capacity cell mass chemical oxygen demand chlorine construction costs conventional activated-sludge cost data cost estimates effluent BOD effluent quality engineering Eqlation 1-1 equipment extended-aeration plants facilities feeders final basin final sedimentation gpm/ft2 growth influent installations Labor Requirements lb of BOD5 lb/das maintenance Material and Supply mechanical aeration systems mg/l microorganisms MLSS nitrification nonbiodegradable odors operating organic oxidation oxygen demand oxygen required package pumping stations peak performance Power Requirements predicted presented primary projects pumping stations pure-oxygen related to volume rock-media rotating biological media sample sedimentation basin sewage shown in Figure slldge South Lake Tahoe stsco Supply Costs suspended solids suspended-growth systems system energy Table tion treatment plants trickling filters typical unit processes variations waste sludge