Question 6001 of 234 · California Wastewater Operator Exam
The main purpose of anaerobic sludge digestion is to
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Correct answer to question 6001
- A: stabilize organic solids, reduce volume, and produce methane gas
Explanation
Anaerobic bacteria break down volatile solids without oxygen, producing methane and carbon dioxide. The digested sludge is more stable and less odorous.
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