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Question
What is the required plan size of a square sedimentation tank (as the primary sedimentation tank in sewage treatment), given that its effective depth is 3 m, and the flow rate is 40 MLD with admissible surface loading of 100,000 l/m2/day?
A.
23.5 m × 23.5 m
B.
30 m × 30 m
C.
20 m × 20 m
D.
15 m × 15 m
Answer ( Option C)

20 m × 20 m

Solution

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