Waste Water Engineering

The normal values of over flow rates for secondary sedimentation tanks, ranges between

  • A. 25,000 to 35,000 litres/sqm/day
  • B. 40,000 to 50,000 litres/sqm/day
  • C. 50,000 to 60,000 litres/sqm/day
  • D. 80,000 to 10,000 litres/sqm/day
Answer: Option A.

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