SYSTEM AND PROCESS FOR RECLAIMING A METAL-CONTAINING SALT SOLUTION FROM A LITHIUM-CONTAINING BATTERY MATERIAL, AND CHEMICALS THEREOF
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United States of America Patent
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Jul 11, 2024
app pub date -
Mar 20, 2024
filing date -
May 6, 2013
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Abstract
A system and process for recovering a metal containing organic and/or inorganic salt solution from a lithium-containing battery material, and chemicals thereof is disclosed. The process includes leaching the lithium-containing battery material in a leaching solution comprising water and sulfuric acid (H2SO4) to obtain a leachate solution, adding metal hydroxide (Me(OH)x) to the leachate solution, titrating the leachate solution with an aqueous acid solution to maintain the leachate solution to be at a pH 7.0 or less and obtaining a precipitate comprising metal sulfate (MeySO4), and separating solid forms of metal sulfate (MeySO4) from the leachate solution and acquiring the metal-containing organic and/or inorganic salt solution that can be reused in batteries in a battery manufacturing process
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