Solid phosphoric acid catalyst

Details Solid phosphoric acid catalyst Solid phosphoric acid catalyst

1988-12-23

1990-08-07

Konopka, Paul E.

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

Zeolite or clay, including gallium analogs

Clay

502 80, 502214, 585466, 585529, B01J 2116, B01J 27182, B01J 3728, C07C 268

Patent

active

049468154

ABSTRACT:
A solid phosphoric acid catalyst having a total X-ray intensity of at least 30 percent relative to alpha-alumina. The solid phosphoric acid catalyst is produced by crystallizing an amorphous mixture of an acid oxide of phosphorus and a siliceous material at a temperature of from 250.degree. to 450.degree. C. and in the presence of from 3 to 50 mole percent water vapor based upon the total vapor rate to the crystallizing means.

REFERENCES:
patent: 2116151 (1938-05-01), Ipatieff et al.
patent: 2275182 (1942-03-01), Ipatieff et al.
patent: 2650201 (1953-08-01), Mavity
patent: 3050472 (1962-08-01), Morrell
patent: 3112350 (1963-11-01), Bielawski et al.
patent: 3661801 (1972-05-01), Gutmann et al.
patent: 3673111 (1972-06-01), Hovarth et al.
patent: 3801704 (1974-04-01), Kobayashi et al.
patent: 4521638 (1985-06-01), Kida et al.

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