An industry wants to locate a chemical plant in your city, they expect to generate 25,000 gal/hr of waste containing 800 mg/L of BOD wastes (reactive) and 15,000 mg/L of inert (non-reactive) materials. The industry wants to recycle 300 gal/min (containing 20 mg/L BOD and 400 mg/L of salts) of discharge (effluent) from the municipal wastewater treatment plant to dilute their waste to 6,000 mg/L of inerts prior to pre-treating the wastes on their own property. If the rate constant for the first order degradation of BOD5 to be 0.75/hr, how big must the reactor be to treat the BOD entering the reactor to 200 mg/L?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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An industry wants to locate a chemical plant in your city, they expect to
generate 25,000 gal/hr of waste containing 800 mg/L of BOD wastes (reactive) and
15,000 mg/L of inert (non-reactive) materials. The industry wants to recycle 300
gal/min (containing 20 mg/L BOD and 400 mg/L of salts) of discharge (effluent) from
the municipal wastewater treatment plant to dilute their waste to 6,000 mg/L of
inerts prior to pre-treating the wastes on their own property.
If the rate constant for the first order degradation of BOD5 to be 0.75/hr, how big
must the reactor be to treat the BOD entering the reactor to 200 mg/L?
Transcribed Image Text:An industry wants to locate a chemical plant in your city, they expect to generate 25,000 gal/hr of waste containing 800 mg/L of BOD wastes (reactive) and 15,000 mg/L of inert (non-reactive) materials. The industry wants to recycle 300 gal/min (containing 20 mg/L BOD and 400 mg/L of salts) of discharge (effluent) from the municipal wastewater treatment plant to dilute their waste to 6,000 mg/L of inerts prior to pre-treating the wastes on their own property. If the rate constant for the first order degradation of BOD5 to be 0.75/hr, how big must the reactor be to treat the BOD entering the reactor to 200 mg/L?
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