Define COD and BOD. Give its significance.

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teamques10 ★ 65k

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prachiwakode • 260

environmental studies

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written 3.0 years ago by

teamques10 ★ 65k

Biochemical Oxygen Demand (BOD):

It is the amount of Oxygen is taken up by microorganism that decomposes organic waste matter in water. It is therefore used as the measure of the amount of certain types of organic pollutants in water. BOD is calculated by taking a sample of water containing …

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written 2.5 years ago by

prachiwakode • 260

Chemical Oxygen Demand (COD)

COD is a measure of the oxygen equivalent of the organic matter in a water sample that is susceptible to oxidation by a strong chemical oxidant.
COD is widely used as a measure of the susceptibility to oxidation of the organic and inorganic materials present in …

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