Process for preparing silica-titania catalyst

Details Process for preparing silica-titania catalyst Process for preparing silica-titania catalyst

1994-12-30

1996-12-24

Langel, Wayne

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

Catalyst or precursor therefor

Silicon containing or process of making

502242, 560129, 560190, B01J 2108

Patent

active

055873499

ABSTRACT:
A process for preparing a silica-titania catalyst by adding an acidic solution containing a silicon compound such as sodium silicate and a titanium compound such as titanium sulfate dissolved therein to a solution of a compound such as ammonium bicarbonate to bring about co-precipitation, in which the acidic solution is a highly concentrated nitric acid-acidic or sulfuric acid-acidic solution, and a ratio of the dissolved titanium compound in the acidic solution is regulated in a certain range.
According to this process, a catalyst capable of exerting a high performance in an esterification reaction and the like can be efficiently obtained.

REFERENCES:
patent: 4018816 (1977-04-01), Onoda et al.
patent: 4176089 (1979-11-01), Cull
patent: 4547557 (1985-10-01), McDaniel
patent: 4711869 (1987-12-01), Cullo et al.
patent: 4981831 (1991-01-01), Knudsen et al.
patent: 5162283 (1992-11-01), Moini

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