Question 5019 of 223 · California Water Treatment Operator Exam
The Filter Backwash Recycling Rule applies to systems that
Exactly one answer is correct.
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Correct answer to question 5019
- B: recycle spent filter backwash water, thickener supernatant or liquids from dewatering
Explanation
Recycle flows must be returned to a point that allows the full treatment train to be used, to prevent concentration of pathogens like Cryptosporidium.
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