The primary treatment of sewage involves the removal of inorganic nutrients from the liquid effluent.

Question

Quizplus · Accepted Answer

The primary treatment of sewage involves the physical removal of large solids and organic matter, such as sedimentation and screening. The removal of inorganic nutrients, such as nitrogen and phosphorus, usually requires secondary treatment processes such as biological treatment or chemical precipitation.

The Primary Treatment of Sewage Involves the Removal of Inorganic