The sewage is flowing @4.5 MLD from a primary clarifier to a standard rate trickling filter. The 5-day BOD of the influent is 160 mg/l. The value of the adopted organic loading is to be 160 gm/m3/day. The total 5-day BOD (in kg/day) present in sewage is _________
1
800
2
720
3
540
4
960
5
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