Integrated process for the production of P-xylene

Details Integrated process for the production of P-xylene Integrated process for the production of P-xylene

2009-11-20

2011-12-27

Dang, Thuan Dinh (Department: 1772)

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

C585S477000, C585S470000, C585S483000, C585S820000, C585S812000

Reexamination Certificate

active

08084657

ABSTRACT:
A process of making p-xylcne comprising processing a mixed feedstock containing benzene, toluene, C8aromatic hydrocarbons, C9and higher aromatic hydrocarbons, and non-aromatic hydrocarbons through a series of operations and various units, including a C9and higher aromatic hydrocarbon dealkylation unit, a toluene selective disproportionate unit, an adsorption separation unit, an isomerization unit, and a crystallization separation unit.

REFERENCES:
patent: 3948758 (1976-04-01), Bonacci et al.

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