1.

For a colony of 10,000 persons having sewage flow rate of 200 L/capita/day, BOD of applied sewage of 300 mg/L and organic loading of 300 kg/day/hectare, the area of an oxidation pond required for treating the sewage of the colony is

A. 0.2 hectare
B. 1 hectare
C. 2 hectare
D. 6 hectare
Answer» D. 6 hectare


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