Solid particle containing active carbon, support and catalyst

Details Solid particle containing active carbon, support and catalyst Solid particle containing active carbon, support and catalyst

1997-06-19

1999-10-26

Le, Hoa T.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428402, 428403, 428404, 428633, 428634, 502182, 502413, B32B 516

Patent

active

059725257

ABSTRACT:
Solid particles which comprise a substantially homogeneous mixture of an active carbon and an attrition-resistant inorganic substance and which have an average particle size of smaller than 300 .mu.m. The average particle size is preferred to range from 20 to 200 .mu.m. The inorganic substance is, for example, silica, titania, zirconia, alumina or silica-alumina. The active carbon is preferred to be contained in an amount of 5 to 70% by weight. The solid particles can be produced by spray drying a slurry containing an active carbon or a precursor thereof and an attrition-resistant inorganic substance or a precursor thereof so that particles having an average particle size of smaller than 300 .mu.m are obtained, and calcining the particles. The inorganic substance or precursor thereof is preferably present in a colloidal or hydrogel state in the slurry. The particles are excellent in attrition resistance and mechanical strength.
A catalyst support and a catalyst comprising the solid particles are also disclosed.

REFERENCES:
patent: 3855185 (1974-12-01), Loveless et al.
patent: 3932306 (1976-01-01), Rona
patent: 4078011 (1978-03-01), Glockner et al.
patent: 4560817 (1985-12-01), Bobsein et al.
patent: 4629767 (1986-12-01), Shyr et al.
"Measurement of Fluidization Characteristics in Vinyl Acetate Synthesis Reactor", Toshio Kawaguchi, Hiroshi Kimura, and Toshihisa Wakasugi; Sekiyu Gakkaishi, vol., 29, No. 2, 1986, pp. 168-173.

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