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Unformatted text preview: influent concentration of 125 mg/L. Q = 10 GPM a) What is the volume of the reactor in Gallons? b) What is the detention time in minutes? c) If the pollutant removal is first order and the rate is 0.675 min-1 , what is the pollutant concentration in mg/L leaving the reactor? d) What is the % removal of the pollutant? e) How can the plant increase the removal efficiency to 99.5 % without changing the flowrate or making the current reactor volume larger? Adding another reactor is also not an option . CHANGING k or adding chemicals, changing temperature etc are not allowed. 15 feet 20 feet 12 feet...
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- Spring '08
- Environmental Engineering