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2. Calculate the specific energy consumption of a reverse osmosis system designed to produce 15,000 m3/d at 60 percent recovery. The reverse osmosis feed pumps

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2. Calculate the specific energy consumption of a reverse osmosis system designed to produce 15,000 m3/d at 60 percent recovery. The reverse osmosis feed pumps operate at 1425 kPa and 85 percent efficiency. Calculate the specific energy consumption of the distribution pumps of the reverse osmosis system operating at 2574 m3/d, 84.2 m head and 64.7 percent efficiency

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