Hydrodealkylation process

Details Hydrodealkylation process Hydrodealkylation process

1996-04-24

1997-11-18

Caldarola, Glenn A.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By alkyl or aryl transfer between molecules, e.g.,...

585489, 585483, 585418, C07C 522, C07C 412, C07C 252

Patent

active

056890265

ABSTRACT:
A process for hydrodealkylating C.sub.9 -C.sub.12 alkyl-substituted benzenes (preferably trimethylbenzenes) to C.sub.6 -C.sub.8 aromatic hydrocarbons (in particular, toluene and xylenes) and C.sub.1 -C.sub.5 alkanes employs a catalyst containing zeolite Beta, nickel, molybdenum and sulfur (preferably as sulfides of nickel and of molybdenum).

REFERENCES:
patent: 4568655 (1986-02-01), Olek et al.
patent: 4835336 (1989-05-01), McCullen
patent: 5030787 (1991-07-01), Absil et al.
patent: 5135643 (1992-08-01), Ward
patent: 5166111 (1992-11-01), Zones et al.
patent: 5396010 (1995-03-01), Harandi et al.
patent: 5399258 (1995-03-01), Fletcher et al.

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