Catalysts for heterogeneous synthesis

Details Catalysts for heterogeneous synthesis Catalysts for heterogeneous synthesis

1982-01-19

1983-10-04

Dees, Carl F.

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

Catalyst or precursor therefor

Silicon containing or process of making

502251, B01J 2376, B01J 2112

Patent

active

044077378

ABSTRACT:
In the process for the preparation of catalysts for heterogeneous synthesis, particularly for the ammonia synthesis, in which a mixture of magnetite and oxides of calcium, aluminium, potassium and silicon is molten, the molten mass is air cooled, freed from the slag, crushed and powdered, the so obtained powders are pelletized and the prepared spheres are dried and sintered in an argon atmosphere, the improvement consisting in that the crushing is carried to a content of at least 80% of fine powders with a granulometry of from 325 to 400 mesh.

REFERENCES:
patent: 4073749 (1978-02-01), Passariello

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