NEETZoologyMicrobes in Human Welfare
What is the key difference between primary and secondary sewage treatment?
Options
- APrimary sewage treatment occurs first followed by secondary treatment
- BIn primary sewage treatment, there is mechanical or physical removal of small and large substances while the s
- CCannot be defined
- DNone of the above
Correct answer
B. In primary sewage treatment, there is mechanical or physical removal of small and large substances while the s
Step-by-step solution
The key difference between primary and secondary sewage treatment is In primary sewage treatment, there is mechanical or physical removal of small and large substances while the secondary sewage treatment includes the removal of organic matter by microbes.