Low pressure hydrodealkylation of ethylbenzene and xylene isomer

Details Low pressure hydrodealkylation of ethylbenzene and xylene isomer Low pressure hydrodealkylation of ethylbenzene and xylene isomer

1997-04-02

1999-03-02

Yildirim, Bekir L.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By dealkylation

585488, 585481, 585482, 208138, C07C 418, C07C 522

Patent

active

058773746

ABSTRACT:
A new process for the hydrodealkylation of ethylbenzene and the isomerization of xylenes at low pressure and at a low hydrogen to ethylbenzene mole ratio as well as a low hydrogen to hydrocarbon feed mole ratio using a catalyst comprising (a) HZSM-5 having a particle size less than 1.0 microns, (b) a Group VIII metal such as platinum, and (c) an additional element such as magnesium.

REFERENCES:
patent: 4159282 (1979-06-01), Olson et al.
patent: 4331822 (1982-05-01), Onodera et al.
patent: 4584423 (1986-04-01), Nacamuli et al.
patent: 4694114 (1987-09-01), Chu et al.

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