| http://www.w3.org/ns/prov#value | - The Dow Chemical Company (Midland, MI)International Classification: B01D 1504U.S. Classification: 423157Abstract: Magnesium values are selectively recovered from salt brines, even salt brines which contain competing ions such as Li. sup. +, Ca. sup. ++, and Sr. sup. ++, by contacting the brine with an anion exchange resin which has dispersed therein a microcrystalline structure of the formula MgX.
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