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‘‘Micro-organisms play an important role for the biological treatment of sewage.’’ Justify.

 

 
 
 
 
 

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We know that secondary treatment of sewage is also called biological treatment as it involves biological organisms such as aerobic and anaerobic microbes and fungi for digestion of organic waste.

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Safeer PP

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Microbes play a significant role during secondary and tertiary sewage treatment. During secondary treatment, primary effluent is continuously agitated in a large tank due to which vigorous growth of useful aerobic microbes into flocs takes place.

 

Posted by

Aditya Varna V

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