Environment & Ecology · Environmental Engineering
Which statement best describes the role of primary sedimentation in a conventional wastewater treatment plant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It removes a significant fraction of settleable solids and part of the organic load before secondary treatment✓
- 2It is designed only for pathogen inactivation
- 3It completely replaces secondary treatment in municipal sewage treatment
- 4It removes mainly dissolved BOD by oxidation
Correct answer
It removes a significant fraction of settleable solids and part of the organic load before secondary treatment
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