Question

what is meant by activated sledge and primary sludge ??

Answer 1

Here is your answer it may help u....

The activated sludge process is a type of wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria.

Primary sludge is a result of the capture of suspended solids and organics in the primary treatment process through gravitational sedimentation, typically by a primary clarifier.

Answer 2

ALL SOLIDS THAT SETTLE DOWN DURING PRIMARY TREATMENTS IS CALLED PRIMARY SLUDGE.

ACTIVATED SLUDGE IS THE RESIDUE SEDIMENT LEFT AFTER SECONDARY TREATMENTS.

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