Which is the best and the most effective method for the removal of org – McqOptions

MCQOPTIONS

1.	Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)??
A.	Lagooning
B.	Activated carbon adsorption
C.	Biological oxidation pond
D.	Chemical coagulation
Answer» C. Biological oxidation pond

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