Alkaline earth metal spinels and processes for making

Details Alkaline earth metal spinels and processes for making Alkaline earth metal spinels and processes for making

1986-04-07

1988-03-01

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502302, 502341, 502524, 423244, B01J 2104, B01J 2302, B01J 2310

Patent

active

047286350

ABSTRACT:
A process for the production of an alkaline earth metal, aluminum-containing spinel composition comprises: (a) combining (1) an acidic, aluminum-containing composition in which the aluminum is present in a positively charged species, and (2) a basic, alkaline earth metal-containing composition to form a mixture; and (b) calcining the mixture to form the alkaline earth metal, aluminum-containing spinel composition. Alkaline earth metal, aluminum-containing spinels having both high surface areas and high attrition resistance, and processes for using spinel compositions, e.g., as sulfur oxide and nitrogen oxide removal agent, are also disclosed.

REFERENCES:
patent: 4472532 (1984-09-01), Mooi
patent: 4497902 (1985-02-01), Bertolacini et al.

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