Selective production of para-xylene

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

1977-03-18

1978-01-10

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260671C, 260671R, C07C 352, C07C 1508

Patent

active

040679209

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: 3965210 (1976-06-01), Chu

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