Hydrogenation of benzoic acid and catalyst suitable therefor

Details Hydrogenation of benzoic acid and catalyst suitable therefor Hydrogenation of benzoic acid and catalyst suitable therefor

1993-05-07

1994-08-09

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568425, 568426, 502102, 502104, C07C 4527, C07C 4500, B01J 3100, B01J 3700

Patent

active

053368100

ABSTRACT:
The invention relates to a catalyst that is very suitable for the conversion of a benzoic acid into the corresponding benzaldehyde. The catalyst can be obtained via coprecipitation of a manganese salt, a salt from which an acid support is formed, a zinc salt and optionally a copper salt at a pH between 4 and 10, calcination, after precipitation, of the coprecipitate at a temperature of between 300 and 700.degree. C. and then, optionally, reduction of the calcined coprecipitate with the aid of a hydrogen-containing gas mixture. Using such a catalyst the hydrogenation of a benzoic acid can be carried out at lower temperature resulting in energy-savings and, hence, cost-savings.

REFERENCES:
patent: 5254520 (1993-10-01), Sofianos

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