Process for converting heavy hydrocarbon feeds to high...

Details Process for converting heavy hydrocarbon feeds to high... Process for converting heavy hydrocarbon feeds to high...

2005-05-31

2005-05-31

Griffin, Walter D. (Department: 1764)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By dealkylation

C585S483000, C585S486000, C585S488000, C208S133000, C208S134000, C208S137000, C208S138000

Reexamination Certificate

active

06900365

ABSTRACT:
A catalytic hydrodealkylation/reforming process which comprises contacting a heavy hydrocarbon feedstream under catalytic hydrodealkylation/reforming conditions with a composition comprising borosilicate molecular sieves having a pore size greater than about 5.0 Angstroms and a Constraint Index smaller than about 1.0; further containing a hydrogenation/dehydrogenation component; wherein at least a portion of the heavy hydrocarbon feedstream is converted to a product comprising benzene, toluene, xylenes and ethylbenzene.

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patent: 5328595 (1994-07-01), Rainis
patent: 5391287 (1995-02-01), Nakagawa
patent: 5393407 (1995-02-01), Zones et al.
patent: 5609751 (1997-03-01), Wall
patent: 6080382 (2000-06-01), Lee et al.
patent: 6103215 (2000-08-01), Zones et al.

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