16 11 A Water Treatment Plant Has A Flow Of 6 Mgd 22 7 Mld The Plant Has 12 Identical Rapid Granular Filters Operatin 1 (15.46 KiB) Viewed 64 times
answer : 32,552 GALLONS.
16.11 A water treatment plant has a flow of 6 MGD (22.7 MLD). The plant has 12 identical rapid granular filters operating at a filtration rate of 2 gpm/ft? (81.4 L/min/m2) and a backwash rate of 30 in./min (762 mm/min). Compute the required capacity of an elevated water tank needed to backwash two filter units at a time. Assume a backwash time of 5 min per filter.
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