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