-
Physiochemical process of removing microorganisms, colour and turbidity from sullage and sewage is known as
-
- Putrefaction
- Clarification
- Liquefaction
- Infiltration
- All of the above
Correct Option: E
Putrefaction is one of seven stages in the decomposition of the body of a dead animal. It can be viewed, in broad terms, as the decomposition of proteins.
Liquefaction is the process of liquefying or making liquid.
Clarification is a pretreatment process of effluent
