Selective production of para-xylene

Details Selective production of para-xylene Selective production of para-xylene

1975-11-24

1977-02-08

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208135, 252455Z, 252456, 260668A, 260668D, 260671C, 260673, C07C 1508, C07C 362, B01J 2936

Patent

active

040072312

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: 3126422 (1964-03-01), Planchard
patent: 3413374 (1968-11-01), Sato et al.
patent: 3598879 (1971-08-01), Kmecak et al.
patent: 3607961 (1971-09-01), Kovach et al.

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