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Sand filters in a water treatment plant must be designed with a maximum hydraulic loading rate of 5 gal/min/ft?. For a water production rate of 500,000 gal per day,determine the

dimension of the filtration facilities. There should be four filters in parallel for reliability. Calculate the actual HLR for eh recommended facilities. Use a square tank configuration with a filter media (sand) depth of 24 inches. Allow ahead space of 5 ft above the sand media.

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