Difference between primary and secondary treatment …

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Difference between primary and secondary treatment of water

Posted by Pooja Singh 8 years, 3 months ago

CBSE > Class 12 > Biology

2 answers

Naveen Sharma 8 years, 3 months ago

Primary sewage treatment	Secondary sewage treatment
It is a physical method of treatment	It is a biological method of treatment
It involves in removal of large particles and floating materials such as leaves, papers, rags, solids such as sand, grit and oily substances	It involves the removal of fine suspended and dissolved organic matter.
It makes the used of sedimentation and filtration process	It makes the use of aerobic or anaerobic biological units
It is relatively simple and less time consuming process	It is relatively complex and takes a long time for its completion

1Thank You

Amar Kumar 8 years, 3 months ago

Primary treatment of water

1. It is a physical method of treatment
2. It involves in removal of large particles and floating materials such as leaves, papers, rags, solids such as sand, grit and oily substances
3. It makes the use of sedimentation and filtration process
4. It is relatively simple and less time consuming process.

Secondary sewage treatment

1.It is a biological method of treatment
2. It involves the removal of fine suspended and dissolved organic matter.
3. It makes the use of aerobic or anaerobic biological units
4. It is relatively complex and takes a long time for its completion

1Thank You

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