Production of lithium compounds directly from lithium containing brines
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United States of America Patent
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May 8, 2007
Grant Date -
Jun 1, 2006
app pub date -
Jan 13, 2006
filing date -
Jul 16, 1998
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Abstract
Metal carbonates that are insoluble in water but that have a corresponding metal biocarbonate salt that is more than 75% by weight soluble in water are purified by preparing an aqueous slurry of the metal carbonate: introducing carbon dioxide gas to form a corresponding metal biocarbonate solution and heating that solution to form a purified metal carbonate and precipitate it.
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