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Green Plumbing

Category - Caring for Our Water

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Which of the following water treatment actions generally occurs after filtration?

Flocculation
Settling
Disinfection
Coagulation

Explanation

Answer: C - Disinfection is one of the final steps in water treatment prior to its readiness for end use. Chlorine is the most commonly-used disinfection agent. The other three actions - flocculation, settling, and coagulation - all occur prior to the filtration step.

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