Solid strong acid catalyst process for the production of the same and use thereof
AssigneeResearch Association for Utilization of Light Oil
InventorsShigeo Baba, Yukio Shibata, Takahiro Kawamura, Hideo Takaoka, Tsuguo Kimura, Kazuo Kousaka, Yoshihiro Minato, Naruo Yokoyama, Kozo Iida, Tetsuya Imai
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Abstract
A solid strong acid catalyst useful for hydrocarbon reactions, especially for the skeletal isomerization of paraffinic hydrocarbons is provided by supporting sulfate (SO.sub.4) and at least one member selected from Group VIII metals on a support consisting of hydroxides and oxides of Group IV metals and Group III metals and mixtures thereof and then calcining and stabilizing the catalyst.
Claims10
A solid strong acid catalyst consisting essentially of a sulfate (SO.sub.4.sup.2-) and at least one metal selected from the group consisting of platinum, ruthenium, rhodium and palladium supported on a support consisting of at least one member selected from the group consisting of hydroxides and oxides of zirconium, wherein the sulfate is supported in a proportion of 0.1 to 7.2 parts by weight to 100 parts by weight of the support, and wherein said metal is supported in a proportion of 0.01 to 10 parts by weight to 100 parts by weight of the support, the thus supported catalyst being calcined at a temperature of 575.degree. to 800.degree. C.
A process for the production of a solid strong acid catalyst which consists essentially of incorporating a sulfate (SO.sub.4.sup.2-) or a precursor of a sulfate (SO.sub.4.sup.2-) and at least on metal selected from the group consisting of platinum, ruthenium, rhodium and palladium in a support consisting of hydroxides and oxides of zirconium and calcining the thus-modified support wherein the sulfate is supported in a proportion of 0.1 to 7.2 parts by weight to 100 parts by weight of the support, and wherein the said metal is supported in a proportion of 0.01 to 10 parts by weight to 100 parts by weight of the support, the thus supported support being calcined at a temperature of 575.degree. to 800.degree. C.
Dependencies are inferred from the claim text.