Low pressure hydrodealkylation of ethylbenzene and xylene...

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

C - Chemistry, Metallurgy

07

C

C07C 15/08 (2006.01) C07C 4/18 (2006.01) C07C 5/27 (2006.01)

Patent

CA 2320698

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, and (b) a Group VIII metal such as platinum.

L'invention concerne un nouveau procédé d'hydrodésalkylation d'éthylbenzène et d'isomérisation de xylènes à basse pression, selon un rapport en mole hydrogène/éthylbenzène faible, ainsi qu'un faible rapport en mole d'hydrogène/charge d'hydrocarbure, au moyen d'un catalyseur comprenant (a) HZSM-5, possédant une taille de particules inférieure à 1,0 micron, et (b) un métal de groupe VIII, tel que le platine.

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