what is sludge ? explain how it is treated
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Sludge is human waste (like faeces) in waste water left during sewage treatment. ... Sludge is collected by a scrapper. It is transferred to a separate tank where it is decomposed by the anaerobic bacteria. The biogas produced in the process can be used as fuel.
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Answer:
Sludge is human waste (like faeces) in waste water left during sewage treatment. ... Sludge is collected by a scrapper. It is transferred to a separate tank where it is decomposed by the anaerobic bacteria. The biogas produced in the process can be used as fuel.
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