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Chaaya
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Asked: 2021-02-25T11:35:57+00:00 In:

What is the key difference between primary and secondary sewage treatment?

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NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare
Important Board Questions
Microbes in Human Welfare
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Question : 8

2020-2021cbsechapter 10class 12 biologyclass 12 sciencemicrobes in human welfarencert
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      Primary sewage treatment:-
      1. It is a mechanical process involving the removal of coarse solid materials.
      2. It is inexpensive and relatively less complicated.
      Secondary sewage treatment:-
      1. It is a biological process involving the action of microbes.
      2. It is a very expensive and complicated process.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-12/biology/chapter-10/

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