A reverse-osmosis plant is used to treat 30,000,000 gal/day of seawater at 20C containing 3.5 wt% dissolved
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A reverse-osmosis plant is used to treat 30,000,000 gal/day of seawater at 20°C containing 3.5 wt% dissolved solids to produce 10,000,000 gal/day of potable water with 500 ppm of dissolved solids, and the balance as brine containing 5.25 wt% dissolved solids, The feed-side pressure is 2,000 psia, while the permeate pressure is 50 psia. A single stage of spiral-wound membranes is used that approximates crossflow. If the total membrane area is 2,000,000 ft2 estimate the permeance for water and the salt passage.
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Subject Reverse osmosis of sea water Given 30000000 galday of sea water at 20 o C containing 35 wt d...View the full answer
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