Selective production of para-xylene

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

1976-09-27

1978-07-11

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 352

Patent

active

041002156

ABSTRACT:
Process for the selective production of paraxylene by methylaton of toluene in the presence of a catalyst comprising a crystalline aluminosilicate zeolite characterized by (1) a silica to alumina ratio of at least about 12, (2) a constraint index within the approximate range of 1 to 12 and (3) a crystal size greater than 1 micron.

REFERENCES:
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3751506 (1973-08-01), Burress
patent: 3965207 (1976-06-01), Weinstein

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