METHODS FOR OSMOTIC CONCENTRATION OF HYPER SALINE STREAMS
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United States of America Patent
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Issued Date -
Sep 12, 2013
app pub date -
Mar 8, 2013
filing date -
Mar 9, 2012
priority date (Note) -
Abandoned
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Abstract
A novel method of extracting minerals from an aqueous source, and an equipment system for carrying out this method, are provided. The method comprises feeding the aqueous source into the feed side of a forward osmosis device while simultaneously feeding a draw solution that includes an osmotic agent through the draw side of the forward osmosis device. The feed and draw sides are separated by a semi-permeable membrane that allows water to be drawn through the membrane to the draw side, thus yielding a concentrated stream from the feed side. The solids can then be separated from that stream and recovered for use.
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