Silica-containing shaped articles and a process for their prepar

Details Silica-containing shaped articles and a process for their prepar Silica-containing shaped articles and a process for their prepar

1985-10-28

1988-08-16

Dees, Carl F.

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

Catalyst or precursor therefor

Silicon containing or process of making

502232, 502407, 502439, B01J 2010, B01J 2114

Patent

active

047644982

ABSTRACT:
In the new shaped articles a hollow space or a lumpy inorganic base material is surrounded by a porous silica-containing layer. They can be prepared by applying silica sol or a mixture containing water, silica sol and/or waterglass and, if appropriate, finely pulverulent water-insoluble silica and/or porosity producing agents to a lumpy base material, and, if use is made of organic base materials, then removing these organic base materials by heating. The new shaped articles can be used as support material for catalysts or, if the layer containing the porous silica contains catalytically active substances, as catalysts.

REFERENCES:
patent: 661056 (1900-11-01), Jolles et al.
patent: 2057414 (1936-10-01), Briggs et al.
patent: 2261517 (1941-11-01), Greger
patent: 2921035 (1960-01-01), Houdry
patent: 2941958 (1960-06-01), Connor, Jr. et al.
patent: 3381688 (1968-05-01), Satas
patent: 3993597 (1976-11-01), Stiles
patent: 4608361 (1986-08-01), Kanamori et al.

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