Biochemical Engineering - Water Treatment - Discussion

Discussion :: Water Treatment - Section 1 (Q.No.5)

5. 

The chemical oxygen demand (COD)measures the

[A]. amount of oxygen required for growth of microorganisms in water
[B]. amount of oxygen that would be removed from the water in order to oxidize pollution
[C]. amount of oxygen required to oxidize the calcium present in waste water
[D]. none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Vijay Sundaram said: (Aug 21, 2012)  
COD is the amount of oxygen required to chemically oxidize the pollutants. So corrections should be made

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