Carburized platinum catalysts and process for preparing the same

Details Carburized platinum catalysts and process for preparing the same Carburized platinum catalysts and process for preparing the same

1989-02-17

1991-01-15

Konopka, Paul E.

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

Catalyst or precursor therefor

Inorganic carbon containing

429 44, 502101, 502177, B01J 2342, B01J 2118, B01J 2722, H01M 488

Patent

active

049853864

ABSTRACT:
Disclosed herein are a platinum catalyst and a process for preparing the same. The catalyst comprises carbon supports and the carbides of (i) platinum and of (ii) one or more metals selected from the group consisting of nickel, cobalt, chromium and iron, and if necessary of (iii) manganese, supported on the carbon supports. The catalyst possesses superior catalyst performance because the catalyst metals are firmly fixed to the carbon supports by means of the carburizing.
The process for preparing the platinum catalyst includes alloying the metals by employing their organic acid amine salts. This alloying requires a lower temperature than that in a conventional process so that the movement of the metals which leads to agglomeration thereof can be advantageously prevented.

REFERENCES:
patent: 4137372 (1979-01-01), Jalan et al.
patent: 4137373 (1979-01-01), Jalan et al.
patent: 4202934 (1980-05-01), Jalan
patent: 4316944 (1982-02-01), Landsman et al.
patent: 4447506 (1984-05-01), Luczak et al.
patent: 4613582 (1986-09-01), Luczak et al.

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