Question

How grit is removed in primary sewage treatment ?​

Answer 1

Answer:

Grit settles by gravity into the bottom of the tank (in a grit hopper) while effluent exits at the top of the tank. The grit that settles into the grit hopper may be removed by a grit pump or an air lift pump

Explanation:

Answer 2

Grit settles by gravity into the bottom of the tank (in a grit hopper) while effluent exits at the top of the tank. The grit that settles into the grit hopper may be removed by a grit pump or an air lift pump. A detritus tank (or square tank degritter) is a constant-level, short-detention settling tank.