Naphthene ring opening over an iridium ring opening catalyst

Details Naphthene ring opening over an iridium ring opening catalyst Naphthene ring opening over an iridium ring opening catalyst

B - Operations, Transporting

01

J

B01J 29/06 (2006.01) B01J 21/00 (2006.01) B01J 21/04 (2006.01) B01J 23/40 (2006.01) B01J 23/42 (2006.01) B01J 23/44 (2006.01) B01J 23/46 (2006.01) B01J 23/56 (2006.01) B01J 29/70 (2006.01) B01J 29/74 (2006.01) C07C 5/13 (2006.01) C07C 5/22 (2006.01)

Patent

CA 2416719

Disclosed is a process for opening naphthenic rings of naphthenic ring- containing compounds, along with catalysts which can be used in that process. The ring opening is accomplished using a ring opening catalyst comprises Ir on a composite support of alumina and acidic silica-alumina molecular sieve. The ring opening activity is not significantly deactivated by exposure to oxygen at greater than about 250 ~C.

L'invention concerne un procédé pour ouvrir des noyaux naphténiques de composés contenant des noyaux naphténiques, ainsi que des catalyseurs pouvant être utilisés dans ce procédé. L'ouverture de noyau est accomplie par utilisation de catalyseur d'ouverture de noyau comprenant de l'Ir sur un support composite constitué d'alumine et d'un tamis moléculaire et de silice-alumine acide. L'activité d'ouverture de noyau n'est pas supprimée de manière significative par exposition à l'oxygène à une température supérieure à 250 ·C environ.

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