Question 3016 of 234 · California Wastewater Operator Exam
Scum collected from a primary clarifier is normally sent to
Exactly one answer is correct.
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Correct answer to question 3016
- A: the sludge digester or a scum handling system
Explanation
Scum contains grease and floatable materials and is removed by skimmers into a hopper, then pumped to digesters or disposal according to plant design.
More questions: Preliminary and Primary Treatment
- 3017Which is the best indicator that a primary clarifier is being operated properly?
- 3018Pumping primary sludge too infrequently will most likely cause
- 3019A flow equalization basin is used to
- 3020Which action helps protect pumps from damage caused by rags?
- 3021Which of the following is a routine maintenance task for a primary clarifier drive mechanism?
- 3022State design criteria based on the Ten States Standards commonly recommend a primary clarifier weir loading rate in which range?