Selective conversion of cycloparaffins to form para-xylene using

Details Selective conversion of cycloparaffins to form para-xylene using Selective conversion of cycloparaffins to form para-xylene using

1976-08-31

1978-01-10

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260668R, 260666P, C07C 1508

Patent

active

040679195

ABSTRACT:
A catalytic process is provided for the selective production of para-xylene by contacting, under conversion conditions, a charge stock containing, as a major reactant, at least one hydrocarbon selected from the group consisting of toluene, a C.sub.3 -C.sub.10 olefin, a C.sub.5 -C.sub.10 naphthene, a C.sub.3 -C.sub.10 paraffin, and mixtures of the foregoing with a catalyst comprising a composite of a crystalline aluminosilicate zeolite and antimony oxide, said zeolite having a silica to alumina ratio of at least about 12 and a constraint index, as hereinafter defined, within the approximate range of 1 to 12.

REFERENCES:
patent: 2289916 (1942-07-01), Komarewsky
patent: 3720724 (1973-03-01), Tabler
patent: 3979472 (1976-09-01), Butter

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