Question 2003 of 223 · California Water Treatment Operator Exam
Rapid (flash) mixing is used in a coagulation process to
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Correct answer to question 2003
- C: disperse the coagulant quickly and evenly throughout the water
Explanation
Coagulant reactions occur within seconds, so intense mixing is needed at the point of addition. Slow mixing comes after, in flocculation, to build floc.
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