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Differentiate between primary and secondary treatment …

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Differentiate between primary and secondary treatment in wastewater ?

    • Posted by Pavani Mohare 7 years, 5 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Yogita Ingle 7 years, 5 months ago

    Primary sewage treatment Secondary sewage treatment
    1. It is a mechanical process involving the removal of coarse solid materials. 1. It is a biological process involving the action of microbes.
    2. It is inexpensive and relatively less complicated. 2. It is a very expensive and complicated process.

     

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