Question 4001 of 234 · California Wastewater Operator Exam
In the activated sludge process, the activated sludge is
Exactly one answer is correct.
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Correct answer to question 4001
- A: a suspended mass of living aerobic microorganisms that consumes organic matter
Explanation
23 CCR 3671 defines activated sludge treatment as use of a suspended mass of living aerobic organisms, later separated by sedimentation and recycled or wasted.
More questions: Secondary Treatment (Activated Sludge, Trickling Filters, RBC)
- 4002The purpose of returning activated sludge (RAS) from the secondary clarifier to the aeration tank is to
- 4003The purpose of wasting activated sludge (WAS) is to
- 4004If the operator wastes more sludge from an activated sludge system, the mean cell residence time (MCRT) will
- 4005Which F/M ratio range is typical for a conventional activated sludge plant?
- 4006A very low F/M ratio in an activated sludge plant tends to produce
- 4007Which sludge condition is typically seen with a high F/M ratio?