Selective production of para-xylene

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

1977-03-18

1978-03-07

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252432, 2606735, C07C 303, B01J 2102, C01B 2928

Patent

active

040780090

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 and mixtures of the foregoing with a catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least about 12, a constraint index, as hereinafter defined, within the approximate range of 1 to 12 and having combined therewith boron in an amount of at least about 0.2 percent by weight.

REFERENCES:
patent: 3751506 (1973-08-01), Burress
patent: 3760024 (1973-09-01), Cattanach
patent: 3775501 (1973-11-01), Kaeding et al.
patent: 4007231 (1977-02-01), Butter
patent: 4024171 (1977-05-01), McArthur
patent: 4029716 (1977-06-01), Kaeding

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