physical chemical and biological methods of effluent treatment
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Preliminary treatment (Physical).
ex:- Screening and grit removal.
Primary treatment (physical/chemical).
ex:- sedimention and flotation.
Secondary treatment ( biological or chemical).
ex:-constructed wetlands.
ex:- Screening and grit removal.
Primary treatment (physical/chemical).
ex:- sedimention and flotation.
Secondary treatment ( biological or chemical).
ex:-constructed wetlands.
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