Process for alkylation-transalkylation of aromatic hydrocarbons

Details Process for alkylation-transalkylation of aromatic hydrocarbons Process for alkylation-transalkylation of aromatic hydrocarbons

1977-03-30

1978-09-05

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260671C, 260672T, C07C 352, C07C 362

Patent

active

041120086

ABSTRACT:
Process for alkylating or alkylating-transalkylating a charge containing toluene, methanol and, optionally, polymethylbenzenes, in one or two steps, conducted at a temperature from 100.degree. to 600.degree. C under a pressure from 1 to 150 bars in the presence of hydrogen and of a catalyst having a zeolite base of the faujasite type selected from Y sieves containing less than 2% by weight of sodium and at least 0.5% by weight of nickel, silver, cadmium or a mixture thereof and in which the molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 is from 2 to 6, and also in the presence of sulfur either introduced into the charge or preintroduced into the catalyst or both.

REFERENCES:
patent: 3173855 (1965-03-01), Miale et al.
patent: 3281483 (1966-10-01), Benesi et al.
patent: 3316317 (1967-04-01), Benesi
patent: 3377400 (1968-04-01), Wise
patent: 3437709 (1969-04-01), Chloupek
patent: 3631120 (1971-12-01), Eberly et al.
patent: 3784621 (1974-01-01), Suggitt
patent: 3962363 (1976-06-01), Mabille et al.

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