rifatsamsuzzaman rifatsamsuzzaman

05-05-2024
Engineering

Answered

A sample of wastewater is mixed with water in the ration 1:20 (1 ml wastewater is diluted to 20 ml by mixing water) for BOD test. Here DOi= 8.5 mg/l, DOf= 3.1 mg/l. Calculate the BOD of the wastewater.

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