Supported palladium-gold catalyst, its manufacture and use in re

Details Supported palladium-gold catalyst, its manufacture and use in re Supported palladium-gold catalyst, its manufacture and use in re

1984-11-20

1985-08-06

Gantz, D. E.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is contaminant in desired hydrocarbon

585260, 585261, C07C 7163, C07C 503, C07C 505

Patent

active

045337799

ABSTRACT:
Supported palladium-gold catalyst of high resistance to poisoning by sulfur compounds, not subject to elution by vinylacetylene and not inducing a substantial formation of oligomers, for use in hydrogenation reactions wherein acetylenics and diolefins are selectively hydrogenated, said catalyst being obtained by the steps of: admixing a palladium compound with an inorganic carrier, roasting in the presence of an oxygen-containing gas, treating with a reducing agent, admixing a halogenated gold compound with the resulting composition, treating with a reducing agent, treating with a compound having a basic reaction so as to lower the halogen content of the catalyst below 10 ppm by weight, and roasting, in the presence of an oxygen-containing gas, the palladium and gold compounds being used in convenient proportions so that the catalyst contains 0.03 to 1% palladium and 0.003 to 0.3% gold by weight.

REFERENCES:
patent: 3954601 (1976-05-01), Cosyns et al.

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