Preliminary Treatment of Sewage: 4 Appurtenances | Waste Management
The priliminary treatment of sewage involves the use of only physical unit operations such as screening, comminution, grit removal, skimming, floatation, etc. The physical unit operations involved in preliminary treatment of seawge are accomplished by employing various units or appurtenances which include screens, comminutors, grit chambers or detritus tanks, skimming tanks, floatation units, etc. 1. Screening—Screens: Screening is the first [...]