Question 4019 of 234 · California Wastewater Operator Exam
Sloughing in a trickling filter refers to
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Correct answer to question 4019
- C: the periodic release of excess biological slime from the media
Explanation
Sloughed slime is carried to the secondary clarifier, where it settles out as humus sludge. Excess loading or flushing can cause heavy sloughing.
More questions: Secondary Treatment (Activated Sludge, Trickling Filters, RBC)
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