Production of beta-lithium aluminate (LiAlO.sub.2)

Details Production of beta-lithium aluminate (LiAlO.sub.2) Production of beta-lithium aluminate (LiAlO.sub.2)

1975-08-20

1976-12-21

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

429 30, C01F 704

Patent

active

039989399

ABSTRACT:
A low pressure process for the production of beta-lithium aluminate (LiAlO.sub.2) 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.degree. to 550.degree. 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.degree. to 650.degree. C. in a second thermal stage for a period of time to transform the lithium aluminate (LiAlO.sub.2) to the desired beta-lithium aluminate.

REFERENCES:
patent: 3795723 (1974-03-01), Celendenen et al.
patent: 3859427 (1975-01-01), Francis et al.
patent: 3878296 (1975-04-01), Vine et al.
Nishikawa et al., "Chemical Abstracts," vol. 81, 1974, 71944m.
Chang et al., "Journal of American Chemical Soc.," vol. 90, Apr. 1968, pp. 2020-2022.
Stewner et al., "Z. fur Anorganische und Allgemeine Chemie," vol. 381, 1971, pp. 149-160.

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