Secondary treatment of sewage

Question

Secondary treatment of sewage (A) removes grit and large pieces of organic matter (B) involves shredding, churning, filtration and sedimentation (C) does not require aeration (D) involves microbial digestion of organic matter

Tardigrade Admin · Accepted Answer

Correct answer is (d) involves microbial digestion of organic matter

Q. Secondary treatment of sewage

removes grit and large pieces of organic matter

involves shredding, churning, filtration and sedimentation

does not require aeration

involves microbial digestion of organic matter

Correct answer is (d) involves microbial digestion of organic matter