Process for producing antimony-containing oxide catalyst support

Details Process for producing antimony-containing oxide catalyst support Process for producing antimony-containing oxide catalyst support

1985-02-07

1986-05-20

Dees, Carl F.

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

Catalyst or precursor therefor

Boron or compound containing same

502210, 502215, 502214, 502249, B01J 2108, B01J 2316, B01J 2718

Patent

active

045901732

ABSTRACT:
A process for producing an antimony-containing oxide catalyst supported on silica for use in a fluidized bed reaction is described, by the steps of preparing a slurry containing an antimony compound, a polyvalent metal compound, and silica sol as the essential ingredients, heat treating the slurry at a pH of 7 or less and at a temperature of 40.degree. C. or higher, and thereafter spray-drying the slurry and calcining the dried particles, wherein said silica sol has a multi-peak particle size distribution profile that is derived by using a mixture of silica sol A in an amount corresponding to form 10 to 90 wt % of the total silica in the catalyst and silica sol B in an amount corresponding to 90 to 10 wt % of the total silica in the catalyst, with silica sols A and B having different average particle sizes, provided that the relations 3<da<100 and 0.1<da/db<0.9 are satisfied by da (m.mu.), the average particle size of silica sol A, and db (m.mu.), the average particle size of silica sol B.

REFERENCES:
patent: 3397153 (1968-08-01), Sippel
patent: 3686138 (1972-08-01), Yoshino et al.
patent: 4410450 (1983-10-01), Sasaki et al.
patent: 4447558 (1984-05-01), Sasaki et al.
patent: 4536483 (1985-08-01), Sasaki et al.

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