A lake with constant volume of 10 times 10^6 m^3 is fed by a pollution-free stream with a flow rate 40 m^3/s. A factory dumps 5 m^3/s of a non-conservative waste with a concentration of 100 mg/L into the lake. The pollutant has a reaction rate coefficient K of 0.18/day. Assuming the lake is completely mixed, 

a) Find the steady-state concentration of pollutant in the lake.

Answer rating: 100% (QA)

factory Wat Date tncoming stream Out Qs Cs Qo Co 6 3 V 10 x10 m k s018 day Q tlow r... View the full answer