Aromatic isomerization catalyst and isomerization process

Details Aromatic isomerization catalyst and isomerization process Aromatic isomerization catalyst and isomerization process

2009-10-29

2010-06-29

Wood, Elizabeth D (Department: 1793)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

C585S480000, C585S481000, C585S482000

Reexamination Certificate

active

07745677

ABSTRACT:
One exemplary embodiment can be an extruded C8 alkylaromatic isomerization catalyst. The extruded catalyst can include:about 2-about 20%, by weight, of an MTW zeolite;about 80-about 98%, by weight, of a binder including an alumina;about 0.01-about 2.00%, by weight, of a noble group metal calculated on an elemental basis; andabout 100 ppm-less than about 1000 ppm, by weight, of at least one alkali metal calculated on an elemental basis.Generally, the weight percents of the MTW zeolite, the binder, the noble group metal, and the at least one alkali metal are based on a weight of the extruded catalyst.

REFERENCES:
patent: 4962259 (1990-10-01), Sachtler et al.
patent: 2005/0277796 (2005-12-01), Bogdan et al.
patent: 2008/0035525 (2008-02-01), Burgfels et al.

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