Process for the preparation of ammonia synthesis catalyst

Details Process for the preparation of ammonia synthesis catalyst Process for the preparation of ammonia synthesis catalyst

1974-10-30

1976-04-20

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252447, 252462, 423362, B01J 2118, B01J 2310

Patent

active

039518620

ABSTRACT:
A process for the preparation of an ammonia synthesis catalyst, in which an iron oxide, together with traces of aluminum, calcium, potassium, magnesium and silicon oxides, is fused in the presence of a small quantity of graphite and reduced and the reduced catalyst is thereafter treated with an aqueous solution of a water soluble cerium salt.
The use of the so prepared catalyst in the synthesis of ammonia makes it possible to operate at significantly reduced temperatures and/or pressure, and thereby obtain very considerable capital and operational savings.

REFERENCES:
patent: 3660028 (1972-05-01), Tamaru et al.
patent: 3839229 (1974-10-01), Senes et al.

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