Catalyst prepared by a particular preparation method and its use

Details Catalyst prepared by a particular preparation method and its use Catalyst prepared by a particular preparation method and its use

1992-07-10

1993-05-25

Dees, Carl F.

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

Catalyst or precursor therefor

Silicon containing or process of making

B01J 2112

Patent

active

052140180

ABSTRACT:
A catalyst for producing tertiary olefins from alkyl-tert-alkylethers is described, consisting of silica modified by adding alumina in a quantity of between 0.3 and 1% by weight with respect to the silica, and is prepared by a method consisting essentially of impregnating a silica with a solution of aluminium salts, followed by drying and calcining, the material then being subjected to purification treatment with aqueous acid solutions or with aqueous solutions which release acidity by thermal decomposition, followed by washing, a second drying and a second calcining.

REFERENCES:
patent: 2684340 (1954-07-01), Baral et al.
patent: 3946020 (1976-03-01), Minato et al.
patent: 4691073 (1987-08-01), Michaelson
patent: 4988659 (1991-01-01), Pecoraro

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