Question

Handling of sewage dumps sewage lines in environment and factories

Answer 1

Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.ll the sewage from the toilet, shower, laundry and other areas enters waste and sewer pipes directly and is pumped to a lagoon. The sewage goes through a series of cutting blades which help break up the solid matter before it enters the lagoon. These blades are called macerator ..

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