Hydrocarbon isomerization process

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By isomerization

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208111, 208120, 208135, 585664, 585734, 585750, C10G 3506, C10G 4704

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044005717

ABSTRACT:
Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a catalyst composite comprising from about 5 weight percent to about 95 weight percent of a silica polymorph consisting of crystalline silica, said silica polymorph after calcination in air at 600.degree. C. for one hour, having a mean refractive index of 1.39.+-.0.01 and a specific gravity at 25.degree. C. of 1.70.+-.0.05 g/cc and at least 5 weight percent to about 95 weight percent Ziegler alumina.

REFERENCES:
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patent: 2999074 (1961-09-01), Bloch et al.
patent: 3852190 (1974-12-01), Buss et al.
patent: 4012313 (1977-03-01), Buss et al.
patent: 4061724 (1977-12-01), Grose et al.
patent: 4210522 (1980-07-01), Hilfman et al.
patent: 4362653 (1982-12-01), Robinson

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