Science, asked by vishalkraj79, 2 months ago

what is sledge? explain how it is treated

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Answered by animelover33

5

Answer:

Sludge is human waste (like faeces) in waste water left during sewage treatment. Since it is organic waste, it is used to produce biogas and manure. Sludge is collected by a scrapper. It is transferred to a separate tank where it is decomposed by the anaerobic bacteria. ... The activated sludge is about 97% water.

Explanation:

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