METHOD OF PRODUCING LITHIUM HYDROXIDE FROM LITHIUM CONCENTRATE THROUGH SODIUM SULFATE ADDITION AND ROASTING
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United States of America
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Jan 20, 2022
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Nov 4, 2019
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Nov 4, 2019
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The present invention relates to a method of producing lithium hydroxide from a lithium concentrate through sodium sulfate addition and roasting. The method effectively recover lithium ions from the lithium concentrate, minimizes production of byproducts, and produces high-purity lithium hydroxide. By mixing a concentrate containing lithium with sodium sulfate (Na2SO4), roasting the concentrate, and leaching the roasted concentrate with water, it is possible to recover lithium ions at a high recovery rate and to produce high-purity lithium hydroxide monohydrate.
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