Selective production of para-xylene

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

1975-01-06

1976-06-22

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208DIG2, 260671C, 260671R, C07C 352, C07C 1508

Patent

active

039652092

ABSTRACT:
Process for the selective production of para-xylene by methylation of toluene in the presence of a catalyst comprising a crystalline aluminosilicate zeolite, 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 which catalyst has undergone prior treatment with steam to reduce the alpha value thereof to less than about 500 and preferably within the range of less than about 20 but greater than zero.

REFERENCES:
patent: 3437587 (1969-04-01), Ellert et al.
patent: 3669903 (1972-06-01), Bourquet et al.
patent: 3728408 (1973-04-01), Tobias
patent: 3751506 (1973-08-01), Burress
patent: 3755483 (1973-08-01), Burress

Affiliated with

Also associated with

Rating

Selective production of para-xylene does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Selective production of para-xylene, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Selective production of para-xylene will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2288620