Question

Long answer type questions,
(a) How is sludge treated in a wastewater treatment plant?​

Answer 1

Answer:

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Explanation:

Digestion. Many sludges are treated using a variety of digestion techniques, the purpose of which is to reduce the amount of organic matter and the number of disease-causing microorganisms present in the solids. The most common treatment options include anaerobic digestion, aerobic digestion, and composting.

Answer 2

Answer:

digestion

Explanation:

Digestion. Many sludges are treated using a variety of digestion techniques, the purpose of which is to reduce the amount of organic matter and the number of disease-causing microorganisms present in the solids.