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公开(公告)号：US20240279769A1
公开(公告)日：2024-08-22
申请号：US18443862
申请日：2024-02-16
申请人： CORNING INCORPORATED
摘要： A process for recovering lithium from lithium-containing glass based materials includes providing lithium-containing particles comprising the lithium-containing glass-based materials; contacting the lithium-containing particles with calcium salts in water, wherein the contacting causes leaching of at least a portion of lithium ions from the lithium-containing particles into a first leachate of the first mixture; separating the first mixture into the first leachate and a first residue; and recovering lithium from the first leachate.
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公开(公告)号：US20240287648A1
公开(公告)日：2024-08-29
申请号：US18582791
申请日：2024-02-21
申请人： CORNING INCORPORATED
发明人： David Eugene Baker , Deqiu Fan , Qiang Fu , Yuhui Jin , Grace MaryAlice Yu Leahy , William James McKendrick , Cedrick Alexander O’Shaughnessy
摘要： A method for extracting lithium metal ions from glass includes contacting the glass with a molten salt bath for a duration of time, wherein the glass includes lithium and the contacting the glass with the molten salt bath for the duration of time extracts at least 40% of the lithium metal ions from the glass. The method further includes removing residual solids from the molten salt bath, wherein the residual solids include residual glass having a reduced concentration of lithium. The method further includes precipitating lithium metal ions from the molten salt bath to produce a solid precipitated lithium salt and separating the precipitated lithium salt from the molten salt bath.
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公开(公告)号：US20240286913A1
公开(公告)日：2024-08-29
申请号：US18443962
申请日：2024-02-16
申请人： CORNING INCORPORATED
发明人： Bavani Balakrisnan , Deqiu Fan , Qiang Fu , Yuhui Jin , Grace MaryAlice Yu Leahy , Cedrick Alexander O’Shaughnessy
摘要： Methods of recovering lithium from glass include crushing the glass to produce glass particles and contacting the glass particles with an aqueous leaching solution at a leaching temperature greater than ambient temperature and less than the boiling temperature of the aqueous leaching solution to produce a leachate slurry. The glass particles include lithium. The aqueous leaching solution includes sulfuric acid in water or sodium hydroxide in water. Contacting the glass particles with the aqueous leaching solution leaches greater than or equal to about 50% of the lithium out of the glass particles. The methods further comprise separating the leachate slurry to produce a solid residue and a leachate, the leachate comprising the lithium leached from the glass particles. The method further include recovering the lithium from the leachate through precipitation.
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