PROCESS FOR DISPERSING OR REDISPERSING A GROUP VIII NOBLE METAL SPECIES ON A POROUS INORGANIC SUPPORT

F-4386 PROCESS FOR DISPERSING OR REDISPERSING A GROUP VIII NOBLE METAL SPECIES ON A POROUS INORGANIC SUPPORT 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...

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Bibliographic Details
Main Authors MCHALE, WILLIAM D, LAPIERRE, RENE B, HUANG, YUN-YANG
Format Patent
LanguageEnglish
French
Published 26.01.1993
Edition5
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
CRACKING HYDROCARBON OILS
FUELS
LUBRICANTS
METALLURGY
MINERAL WAXES
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION
RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES
REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS
REFORMING OF NAPHTHA
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:F-4386 PROCESS FOR DISPERSING OR REDISPERSING A GROUP VIII NOBLE METAL SPECIES ON A POROUS INORGANIC SUPPORT 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.
Bibliography:Application Number: CA19880575100