b) A rapid filter plant is to treat 23,000 m² per day at a rate of 120 m/day. Determine the size and number of units req

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B A Rapid Filter Plant Is To Treat 23 000 M Per Day At A Rate Of 120 M Day Determine The Size And Number Of Units Req 1 (77.37 KiB) Viewed 16 times

b) A rapid filter plant is to treat 23,000 m² per day at a rate of 120 m/day. Determine the size and number of units required if the filtration rate is not to exceed 180 m/day with one filter being backwashed, nor 240 m/day with one filter out of service and one filter being backwashed. How much water would be required to backwash one filter if the wash is at 1 m/min and continues for 10 min? c) For a purification plant serves 400000 capita with average rate of water consumption 250 lit/cap/day and filters operate with rate of filtration <150 m /day It is required to determine:- a. numbers and dimensions of rapid sand filters, b. capacity of the backwash storage tank that hold sufficient water for two consecutive 15 minutes washes at a velocity of 0.5 m/min., and c. numbers and dimensions of ground storage tanks