Patent ID: 9505681
Filing Date: 2016-11-29
CPC Classification: B01J,C07C,Y02P

Claim Text:
1. A process for isomerizing an aromatic cut containing at least one aromatic compound containing 8 carbon atoms per molecule to produce p-xylene, comprising contacting the aromatic cut with a catalyst comprising a support and wherein the support comprises at least one zeolite with structure type EUO, wherein a method of preparing the catalyst comprises: obtaining the at least one zeolite with structure type EUO having an overall Si/AI atomic ratio of 5 to 45, a sodium content of 1000 to 3000 ppm by weight, and a Na/AI ratio of 5% to 15% by mole, and performing steps i) and ii) in either order such that the catalyst contains a final sodium content of 75 to 600 ppm by weight: