Which of the following biological method shouldn’t be used for BOD load reduction? Options: A . &nbspOxidation ponds B . &nbspActivated sludge system C . &nbspAnaerobic biological method D . &nbspChemical precipitation

Which of the following biological method shouldn’t be used for BOD load reduct

Question

Which of the following biological method shouldn’t be used for BOD load reduction?

Options:

A . Oxidation ponds

B . Activated sludge system

C . Anaerobic biological method

D . Chemical precipitation

Answer: Option D
Answer: (d).Chemical precipitation

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