Answer Happy

4. An industry is proposing to discharge its effluent into a nearby stream. Average design flow rates and the BODs of the effluent and the river are as follows: Effluent BODs = 100 mg/L; Effluent flow rate = 10 MGD; River BODs = 2 mg/L; River flow rate = 100 cfs. The in-steam BOD regulation for the area is 5 mg/L. What is the effluent BODS removal required? (Ans. 76%
volume - Ireland Class problems May 5, 2022 (yes, problems like these will be on the final) daily VSS lb VSS loading Tredday 1b/Mgal 8.34 ift? = 7.48 gal mg/L mg mg 1% solids 10,000 2 ppma NOÄEL. body weight Drinking water equivalent level (DWEL) UF. drinking water intake M where S.P. V - dally sludge volume, M = daily mass of solids: S = specific gravity of sludge: Pw - specific weight of water = 62.4; P = decimal percent solids 2 . V 1/2 G- - ul