Preparative process for alkaline earth metal, aluminum-containin

Details Preparative process for alkaline earth metal, aluminum-containin Preparative process for alkaline earth metal, aluminum-containin

1982-11-29

1984-09-11

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502306, 502324, 502328, 502341, 502439, 502524, 423600, B01J 2104, B01J 2302, B01J 2310

Patent

active

044710704

ABSTRACT:
An improved process for the production of alkaline earth, aluminum-containing spinel compositions, preferably magnesium, aluminum-containing spinel compositions and preferably further comprising at least one additional metal component, comprises adding a basic aqueous solution containing at least one aluminum component to an aqueous solution containing at least one alkaline earth metal component to form a precipitate at defined pH conditions and calcining the precipitate to form a spinel composition. The product spinel composition, preferably with included additional metal components, is particularly suited for use to reduce the amount of sulfur oxides emitted from a catalyst regeneration zone, e.g., a catalytic cracking unit regeneration zone.

REFERENCES:
patent: 2992191 (1961-07-01), Erickson
patent: 3791992 (1974-02-01), Feldwick

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