Question

Is the greater the biological oxygen demand of waste water less is its polluting potential?

Answer 1

No, greater the biological oxygen demand of waste water more is its polluting potential. because BOD is the amount of oxygen that would be released when all the organic matter in one litre of water is oxidised by bacteria.

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Answer 2

Biological Oxygen Demand

Biological Oxygen Demand (BOD) and Water.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.