Process for the preparation of silica-titania and catalysts comp

Details Process for the preparation of silica-titania and catalysts comp Process for the preparation of silica-titania and catalysts comp

1978-08-03

1979-11-27

Dees, Carl

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252454, B01J 3702, B01J 2900

Patent

active

041760891

ABSTRACT:
High surface area, low bulk density silica-titania materials which are particularly effective as catalysts or catalyst supports are prepared by mixing a silicon alkoxide, a titanium alkoxide and an organic diluent, adding the resulting premixed alkoxides to a hydrolysis medium comprising water and a solvent to form a silica-titania precipitate, separating the silica-titania precipitate from the hydrolysis medium, drying and calcining the precipitate and recovering the resulting high surface area silica-titania product.

REFERENCES:
patent: 2378290 (1945-06-01), Drake
patent: 2873246 (1959-02-01), Hansford et al.
patent: 3639461 (1972-02-01), Ito et al.
patent: 3709833 (1973-01-01), Thomas
patent: 3954670 (1976-05-01), Pine
patent: 3983055 (1976-09-01), Mitchell et al.
patent: 3993557 (1976-11-01), Pine

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