Environment & Ecology · Environmental Engineering
Assertion (A): In the activated sludge process, a portion of the settled sludge is recycled back to the aeration tank as Return Activated Sludge (RAS). Reason (R): RAS maintains the concentration of active biomass (MLSS) in the aeration tank, ensuring continued biodegradation of incoming organic matter.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both A and R are true, and R is the correct explanation of A✓
- 2Both A and R are true, but R is NOT the correct explanation of A
- 3A is true, but R is false
- 4A is false, but R is true
Correct answer
Both A and R are true, and R is the correct explanation of A
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