Question

Calculate the length of the rapid sand filter for the following details.

Flow: 1000 m³/h.
Velocity: 5 m/h
Backwash time: 30 mins

a.

1.0 m

b.

1.9 m

c.

1.7 m

d.

1.2 m

Answer: (b).1.9 m

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Q. Calculate the length of the rapid sand filter for the following details. Flow: 1000 m³/h. Velocity: 5 m/h Backwash time: 30 mins

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