Abod test is to be run on a sample of wastewater that has a five-day bod of 230 mg/l. if the initial do of a mix of distilled water and wastewater is 8.0 mg/l, and the test requires a decrease in do of at least 2.0 mg/l with at least 2.0 mg/l of do remaining at the end of the five days, what range of dilution factors (p) would produce acceptable results? in 300 ml bottles, what range of wastewater volumes could be used?

Distribution factor P = =38.33

V = 7.826 ml

Explanation:

given details:

BOD =230 mg/l

DO inital = 8.0mg/l

DO final = 2.0mg/l

we know

BOD = [DO inital -DO final] * distribution factor

230 = [8 - 2] D.F

Distribution factor P

Distribution factor P = =38.33

THE RANGE OF WASTE WATER VOLUME IN 300 ml bottle is

distribution factor

V = 7.826 ml

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