Environment & Ecology · Environmental Science
Arrange the following stages in the logical sequence of a Decentralised Wastewater Treatment System (DEWATS): (a) Anaerobic treatment in settler or biogas reactor (b) Collection of wastewater at or near the point of generation (c) Aerobic polishing through planted gravel filters or waste stabilisation ponds (d) Safe discharge or reuse of treated effluent
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(a) → (b) → (d) → (c)
- 2(c) → (b) → (a) → (d)
- 3(b) → (a) → (c) → (d)✓
- 4(b) → (c) → (a) → (d)
Correct answer
(b) → (a) → (c) → (d)
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