Metal oxide support material containing nanoscaled iron platinum group metal

Described is a metal oxide support material containing nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm. At least 70% of the nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material. T...

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Main Authors TEN CATE MATTIJS GREGOR JURRIAAN, DOMKE IMME, CRISTADORO ANNA, CASTELLANO CHRISTOPHER R, FEUERHAKE ROBERT, SCHOENFELDER DANIEL, KOERMER GERALD STEPHEN, SCHROF WOLFGANG, HIBST HARTMUT, SCHORNICK GUNNAR, KOPLIN TOBIAS JOACHIM
Format Patent
LanguageEnglish
Published 05.11.2013
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Described is a metal oxide support material containing nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm. At least 70% of the nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material. The outside surface layer has an average volume of less than 50% based on the total volume of the metal oxide support material. Additionally, described is a process for preparation of metal oxide support materials containing nanoscaled iron-platinum group metal particles. Furthermore, described is the use of metal oxides containing nanoscaled iron-platinum group metal particles as catalysts, for example as a diesel oxidation catalyst for the treatment of exhaust gas emissions from a diesel engine.
Bibliography:Application Number: US201013516291