Question

What are the natural ways of sewage treatment?

Answer 1

Answer:

these are the natural ways of sewage treatment:

1. these are the chemical used for treating sewage: pH neutralisers, anti foaming agents, coagulants, and flocculants
2. these are the physical ways for the treatment of sewage: screening, sedimentation and skimming
3. these are the biological ways for the treatment of the sewage: septic, tank disposal system