Process for preparing iron-based catalysts for the synthesis of

Details Process for preparing iron-based catalysts for the synthesis of Process for preparing iron-based catalysts for the synthesis of

1987-10-23

1988-12-06

Shine, W. J.

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

Catalyst or precursor therefor

Silicon containing or process of making

502338, 423363, B01J 2104, B01J 2108, B01J 2378

Patent

active

047896574

ABSTRACT:
A process for preparing iron-based catalysts for the synthesis of ammonia by melting of magnetite along with metal oxides as promoters, subsequent cooling of the molten mass and reduction thereof to the desired size, wherein the abovesaid cooling occurs at a rate higher than 25.degree. C./min., preferably ranging from 100.degree. C. to 1600.degree. C./min., at a temperature ranging from 1700.degree. C. to 700.degree. C.
The present invention relates to a process for preparing iron-based catalysts having a high activity in the ammonia synthesis, and to the catalyst so obtained.

REFERENCES:
patent: 2469755 (1949-05-01), Voorhies
patent: 3243386 (1966-03-01), Nielsen et al.
patent: 3417031 (1968-12-01), Hinrichs et al.
patent: 3644216 (1972-02-01), Egalon et al.
patent: 4379078 (1983-04-01), Lytkin et al.
Above references were cited in parent application Ser. No. 855,376.

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