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Calculate the flow of backwash pump required for the activated carbon filter for the following details. Flow: 2500 m3/h. Rise Velocity: 15m/h Backwash pump velocity: 24 m/h

Calculate the flow of backwash pump required for the activated carbon filter for the following details. Flow: 2500 m3/h. Rise Velocity: 15m/h Backwash pump velocity: 24 m/h Correct Answer 4000 m3/h

The area of the filter is calculated based on the flow rate and the rise velocity. Area of the filter is calculated as Flow/ Rise Velocity. Area= 2500/15 =167 m2. The backwash pump capacity is calculated as Area of the filter x Backwash pump velocity. Back wash pump capacity required = 167 m2 x 24 m/h = 4000 m3/h.

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