Question

Sludge in a water treatment
plant is disposed of by----​

Answer 1

Answer:

Incineration completely evaporates the moisture and converts the organic solids into inert ash. The ash must be disposed of, but the reduced volume makes disposal more economical. Air pollution control is a very important consideration when sewage sludge is incinerated.

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Answer 2

$\huge\underline\mathtt\red{Answer:}$

Incineration completely evaporates the moisture and converts the organic solids into inert ash. The ash must be disposed of, but the reduced volume makes disposal more economical. Air pollution control is a very important consideration when sewage sludge is incinerated.