A rapid sand filter is to be provided in a water treatment plant to process the water for a town with a population of 4,50,000. The peak water demand is 225 litre/capita/day. The rate of filtration is 20 m/m2/hr. Allow 5% of filtered water for storage to meet the backwash requirements. Each back washing period is 30 minutes. The number of filters required including one as a standby unit is [Assume the available surface area configuration of one filter unit is 70 m2]

A rapid sand filter is to be provided in a water treatment plant to process the water for a town with a population of 4,50,000. The peak water demand is 225 litre/capita/day. The rate of filtration is 20 m/m2/hr. Allow 5% of filtered water for storage to meet the backwash requirements. Each back washing period is 30 minutes. The number of filters required including one as a standby unit is [Assume the available surface area configuration of one filter unit is 70 m2]

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter2: Municipal Solid Waste Characteristics And Quantities

Section: Chapter Questions

Problem 2.1P

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