Fine grit present in sewage is removed in the _____________ during sewage treatment?
Correct answer: D. Detritus tank
- A. Grit chamber
- B. Skimming tank
- C. Trickling filter
- D. Detritus tank
Explanation
A detritus tank is designed to remove fine grit and other heavy inorganic solids from sewage. A conventional grit chamber removes coarser grit, while trickling filters perform biological treatment.
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