Alkali metal and/or alkali earth metal extraction method
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United States of America Patent
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Apr 25, 2017
Grant Date -
Nov 12, 2015
app pub date -
Jul 4, 2013
filing date -
Jul 5, 2012
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Abstract
This alkali metal and/or alkali earth metal extraction method is superior in terms of cost and allows repeated use of the aqueous solution that extracts alkali metal and/or alkali earth metal from a solid. This method is for extracting alkali metal and/or alkali earth metal from a solid containing an alkali metal and/or alkali earth metal, and involves an elution step in which the solid is added to an amino acid-containing aqueous solution, and the alkali metal and/or alkali earth metal is eluted into the amino acid-containing aqueous solution.
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