The cleanest surface water is disinfected with chlorine or UV light as the excess nitrogen and phosphorous are removed in the _________ phase of sewage remediation.

Question

Quizplus · Accepted Answer

Tertiary treatment is the phase of sewage remediation where excess nitrogen and phosphorous are removed, and the cleanest surface water is disinfected with chlorine or UV light. This stage is beyond primary (solid removal) and secondary (biological treatment) phases, focusing on removing remaining inorganics and pathogens.

The Cleanest Surface Water Is Disinfected with Chlorine or UV