Chemistry, asked by MairaRoy, 20 days ago

what is sludge. explain how it is treated
3 marks question

Answers

Answered by Aяχтιc

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. ... The biogas produced in the process can be used as fuel. After the aerator tank, microbes and human waste settle down and form activated sludge....

Answered by bratatimondal2006

Answer:

1 Sludge is human waste in waste water left during sewage treatment.

2 Since it is organic waste, it is used to produce biogas and manure.

3 The biogas produced in the process can be used as fuel. After the aerator tank, microbes and human waste settle down and form activated sludge.

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