Raney-type catalysts for the hydrogenation of halonitroaromatic

Details Raney-type catalysts for the hydrogenation of halonitroaromatic Raney-type catalysts for the hydrogenation of halonitroaromatic

1994-10-07

1996-09-10

Beck, Shrive

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502314, B01J 2502

Patent

active

055545734

ABSTRACT:
Halonitroaromatic compounds, e.g., 3-chloro-4-fluoronitrobenzene, are selectively hydrogenated into the corresponding haloaromatic amines, in the essential absence of hydrodehalogenation, by reacting same with hydrogen in the presence of a catalytically effective amount of a novel Raney-type catalyst composition consisting essentially of an alloy of nickel, aluminum and molybdenum, Ni/Al/Mo, the Al/Mo ratio by weight thereof being equal to or greater than 1.

REFERENCES:
patent: 4089812 (1978-05-01), O'Hare et al.
patent: 4297509 (1981-10-01), Chiasson
patent: 4503251 (1985-05-01), Gray et al.
patent: 4904774 (1990-02-01), McDaniel, Jr. et al.

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