Biological Treatment of Wastewater

Reward

100

01. What is the purpose of the aeration tank in the activated sludge process?

A: To inject air into the wastewater to remove large organic particles.

B: To provide a settling area for microorganisms to accumulate.

C: To convert nitrate to ammonia through the action of nitrifying bacteria.

D: To introduce bacteria into the wastewater for primary treatment.