Question

The solid matter produced during sewage treatment is

Answer 1

Answer:

here's ur answer.......

Explanation:

sewage sludge

Answer 2

Answer:

It's called sludge.

Explanation:

Physical, chemical, and biological processes are used to remove contaminants. A by-product of sewage treatment is a semi-solid waste or slurry, called sewage sludge.

hope this helps :)