Question 6008 of 234 · California Wastewater Operator Exam
How should sludge be fed to a digester to keep it stable?
Exactly one answer is correct.
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Correct answer to question 6008
- B: In small, frequent amounts, thickened to the highest practical solids content
Explanation
Frequent feeding avoids shock loads. Thickened sludge preserves digester capacity and heat.
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