A type of teiary waste water treatment process is –
Correct Answer: Neither
Description: Sewage treatment Primary treatment : Physical treatment to remove solids (from the liquid) Secondary treatment : Bilogical treatment brought about by aerobic and anaerobic bacteria Teiary treatment : Improving fuher the quality of effluent (advanced waste treatment process), sludge (stabilisation and dewatering), assist sedimentation and sludge treatment (chemical treatment by the addition of coagulants) Ref: Park 25th edition Pgno : 800
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Social & Preventive Medicine
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