Environment & Ecology · Environmental Science
Which of the following are primarily removed through the secondary wastewater treatment process?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Polythene, tetra packs, and large floating objects
- 2Large suspended solids and grit
- 3Colloidal and dissolved organic matter✓
- 4Heavy metals and dissolved inorganic salts
Correct answer
Colloidal and dissolved organic matter
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