Production of beta-lithium aluminate

Details Production of beta-lithium aluminate Production of beta-lithium aluminate

C - Chemistry, Metallurgy

01

F

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C01F 7/04 (2006.01) H01M 8/02 (2006.01)

Patent

CA 1072298

PRODUCTION OF BETA-LITHIUM ALUMINATE Abstract of the Disclosure A low pressure process for the production of beta-lithium aluminate in a two thermal stage reaction of alumina with liquid phase lithium carbonate comprising admixing powdered alumina with a carbonates composition selected from the group consisting of a ternary lithium potassium-sodium carbonates composition, a binary lithium- potassium carbonates composition and a binary lithium- sodium carbonates composition, heating the admixture at about 480° to 550°C. in a first thermal stage for a period of time to react the alumina with lithium carbonate to form lithium aluminate, and raising the temperature of the lithium aluminate to about 600° to 650°C. in a second thermal stage for a period of time to transform the lithium aluminate to the desired beta-lithium aluminate.

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