Ion sequestration for scale prevention in high-recovery desalination systems
Cations that can precipitate from an aqueous composition (22) to produce scaling are sequestered by adding a multi-dentate ligand (24) to the aqueous composition (22). The multi-dentate ligand bonds with the cation to form a non-scaling ionic complex; and the aqueous solution with the ionic complex...
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| creator | Sung, Windsor Lam, Steven Lienhard, John Bajpayee, Anurag Govindan, Prakash St. John, Maximus Mirhi, Mohammed |
| description | Cations that can precipitate from an aqueous composition (22) to produce scaling are sequestered by adding a multi-dentate ligand (24) to the aqueous composition (22). The multi-dentate ligand bonds with the cation to form a non-scaling ionic complex; and the aqueous solution with the ionic complex (26) is used in a process (28) that produces substantially pure water (32) from the aqueous composition, where the cation, absent formation of the ionic complex, is subject to scaling. The pH of the aqueous composition (or a brine including components of the aqueous composition) is then reduced (36) to release the cation (40) from the multi-dentate ligand (42); and the multi-dentate ligand (42), after the cation is released, is then reused in a predominantly closed loop. |
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The pH of the aqueous composition (or a brine including components of the aqueous composition) is then reduced (36) to release the cation (40) from the multi-dentate ligand (42); and the multi-dentate ligand (42), after the cation is released, is then reused in a predominantly closed loop.</description><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; POLISHES ; SEPARATION ; TRANSPORTING ; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180301&DB=EPODOC&CC=AU&NR=2014235569B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180301&DB=EPODOC&CC=AU&NR=2014235569B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Sung, Windsor</creatorcontrib><creatorcontrib>Lam, Steven</creatorcontrib><creatorcontrib>Lienhard, John</creatorcontrib><creatorcontrib>Bajpayee, Anurag</creatorcontrib><creatorcontrib>Govindan, Prakash</creatorcontrib><creatorcontrib>St. John, Maximus</creatorcontrib><creatorcontrib>Mirhi, Mohammed</creatorcontrib><title>Ion sequestration for scale prevention in high-recovery desalination systems</title><description>Cations that can precipitate from an aqueous composition (22) to produce scaling are sequestered by adding a multi-dentate ligand (24) to the aqueous composition (22). 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| subjects | ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | Ion sequestration for scale prevention in high-recovery desalination systems |
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