COD (organic) concentration: 9 mg/L
Effluent concentration required: 0.9 mg/L
Ozone treatment, r= 0.048/hr
a) What is the time required in the tank?
b) if Q= 1000 L/day, how large should the tank be?
while seeing in solution u may get a doubt that rate of reaction is mentioned in the question but it has taken as rate constant....for tthat once check the units rate of rreaction units always iin the mass or mole / volume x time....But in question it mentioned that only 1/ time...that is units of rate constant for first order reaction....thank you have a nice day
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