Process for dispersing or redispersing a group viii noble...

Details Process for dispersing or redispersing a group viii noble... Process for dispersing or redispersing a group viii noble...

B - Operations, Transporting

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B01J 23/40 (2006.01) B01J 23/96 (2006.01) B01J 29/44 (2006.01) B01J 29/74 (2006.01) B01J 29/90 (2006.01) B01J 37/12 (2006.01) B01J 38/04 (2006.01) B01J 38/10 (2006.01)

Patent

CA 1313176

F-4386 PROCESS FOR DISPERSING OR REDISPERSING A GROUP VIII NOBLE METAL SPECIES ON A POROUS INORGANIC SUPPORT ABSTRACT In a process for dispersing or redispersing relatively large crystallites of Group VIII noble metal species on a porous inorganic support, the supported species is contacted with nitric oxide, either alone or in admixture with a source of halogen such as Cl2, and thereafter any sorbed nitrogen oxide(s) and halogen are removed by purging with an inert gas. The treated metal-loaded catalyst demonstrates substantially increased benzene hydrogenation activity (BHA) compared to the same catalyst prior to treatment.

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