Question

What is sludge? Explain how it is treated​

Answer 1

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What is sludge? Explain how it is treated

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In sewage treatment plants, the residue that accumulates is called sludge. It is treated by anaerobic bacteria. Complete answer: ... Using a skimmer, sludge is collected and then transported to a tank where it is decomposed for biogas processing by anaerobic bacteria.

Answer 2

Answer:

In sewage treatment plants, the residue that accumulates is called sludge. It is treated by anaerobic bacteria.  Using a skimmer, sludge is collected and then transported to a tank where it is decomposed for biogas processing by anaerobic bacteria

Explanation:

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