A rapidly mixed tank consists of a treatment unit used to disinfect a solution. The solution enters the 2000 m3 tank at a rate of 0.4 m3/s. The pollutant contains 7.94 CFU per liter and has no 0 mg/l of chlorine. The treatment unit uses a stock solution containing 750 mg/L which is released a rate that will cause the chlorine concentration in the tank to be 2 mg/L. The chlorine reacts with the water in such a way that it is depleted at a rate (in mg/L-h) given by rcl = ( -0.45 / h) Caı. When exposed to chlorine, the bacteria die off at a rate (in cells/L-s) given by: (0.03 Ccl Cbact Tbact 1mg + Ccd
A rapidly mixed tank consists of a treatment unit used to disinfect a solution. The solution enters the 2000 m3 tank at a rate of 0.4 m3/s. The pollutant contains 7.94 CFU per liter and has no 0 mg/l of chlorine. The treatment unit uses a stock solution containing 750 mg/L which is released a rate that will cause the chlorine concentration in the tank to be 2 mg/L. The chlorine reacts with the water in such a way that it is depleted at a rate (in mg/L-h) given by rcl = ( -0.45 / h) Caı. When exposed to chlorine, the bacteria die off at a rate (in cells/L-s) given by: (0.03 Ccl Cbact Tbact 1mg + Ccd
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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