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Question : List theevents thatreducethebiologicaloxygendemand (Bod)ofa promary effluent during sewage treatment . |
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Answer» Solution :theevents thatreducethe BODOF a PRIMARY effuent are : 1. theprimary effluentis passed intolargeaerationtanks whereit ismechanically agitatedand airispumped into it . 2.Mechanical agitationof primary efuent leadsto gowth of aerbic MICROBES whichreduces the BOD. |
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