BRACKISH WATER DESALINATION USING TUNABLE ANION EXCHANGE BED
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United States of America Patent
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Dec 25, 2014
app pub date -
May 28, 2014
filing date -
May 29, 2013
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Abstract
A process for treating feed water for desalination, the process comprising: (a) removing one or more polyvalent anions from the feed water by feeding the feed water into a bed comprising one or more anion exchange resins under conditions sufficient to exchange the polyvalent ions in the feed water with one or more monovalent anions in the resin; and (b) regenerating the bed by feeding a brine stream into the bed under conditions sufficient to exchange one or more polyvalent anions in the resins with one or more monovalent anions in the brine stream.
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