Question:medium

Tertiary treatment of sewage aims at removal of-

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Tertiary treatment is often called "nutrient removal".
High levels of nitrogen and phosphorus in discharged sewage are the leading causes of algal blooms and oxygen depletion in natural water bodies.
Updated On: Jul 9, 2026
  • Coarse materials
  • Nitrogen and phosphorus
  • Pathogens
  • Heavy metals
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The Correct Option is B

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