Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 2 (Q.No. 15)
15.
Normal values of overflow rate for plain sedimentation tank, is
250 to 500 litres/hr/m2
500 to 750 litres/hr/m2
750 to 1000 litres/hr/m2
1000 to 1250 litres/hr/m2.
Answer: Option
Explanation:
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Discussion:
11 comments Page 2 of 2.

Shah said:   2 years ago
Surface overflow Rate= Rate of Flow/surface area of tank.
Plain Sedimentation = 12000-18000 Litres/m2/day= 500 - 750litres/Hr/m2.
Sedimentation With Coagulation = 24- 30m3/day/m2= 1000-1250litres/hr/m2.


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