Method for the preparation and application of rhodium catalysts

Details Method for the preparation and application of rhodium catalysts Method for the preparation and application of rhodium catalysts

1988-03-22

1989-05-16

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502325, B01J 2346, B01J 2358

Patent

active

048310085

ABSTRACT:
Method for the preparation of catalysts on support materials, such as strontiumtitanate, which serve for the hydrogenation of unsaturated organic compounds such as alkenes, alkynes and aromates, which catalysts consist of rhodium-metal on support, obtained by applying rhodiumcarbonyl-clusters to a support in an inert atmosphere and then pyrolyzing them at a relatively low temperature of for instance 150.degree. C.
The material, thus applied to the support is activated by means of a reaction with oxygen, preferably between 0.degree. and 150.degree. C.

REFERENCES:
patent: 4174298 (1979-11-01), Antos
patent: 4175056 (1979-11-01), Antos
patent: 4243824 (1981-01-01), Noltes
patent: 4271302 (1981-06-01), McVicker
J. of Catalysts, vol. 98, No. 2, Apr. 1986, pp. 554-558, Academic Press Inc.; G. M. Nunez et al: "Rh/SiO.sub.2 and Rh/Al.sub.2 O.sub.3 Catalysts."
Effect of Precursor and H.sub.2 Pretreatment on Chemisorption and Catalytic Activity.
Chemical Abstracts, 89(2), 11/13/78, p. 407, abstract #169703e, M. Ichikawa: "Catalysis by Supported Metal Crystallites from Carbonyl Cluster. II. Catalytic Ethanol Synthesis from Carbon Monoxide and Hydrogen under Atmospheric Pressure over Supported Rhodium Crystallites Prepared Rh from Carbonyl Clusters Deposited on Titanium Dioxide, Zirconium Oxide, and Lanthanun Oxide."

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