C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 301/08 (2006.01) B01J 23/52 (2006.01) B01J 23/66 (2006.01) C07D 301/10 (2006.01) B01J 35/00 (2006.01)
Patent
CA 2319613
The present invention relates to a method for the oxidation of unsaturated hydrocarbons in gaseous phase, wherein said oxidation is carried out in the presence of a hydrogen-oxygen mixture on a catalyst coated with gold particles. This method comprises using a calcined catalyst which is produced from a titanium oxide hydrate optionally containing sulphate, said catalyst being coated with nanometrical gold particles. This method is preferably used for epoxidising ethene, propene or butene. This invention further relates to a catalyst for oxidising the above-mentioned unsaturated hydrocarbons.
L'invention concerne un procédé d'oxydation d'hydrocarbures insaturés dans la phase gazeuse, en présence d'un mélange hydrogène-oxygène, sur un catalyseur recouvert de particules d'or. Selon ce procédé, on utilise un catalyseur calciné, produit à partir d'hydrate d'oxyde de titane contenant éventuellement du sulfate, ledit catalyseur étant recouvert de particules d'or de l'ordre du nanomètre. Ce procédé s'utilise de préférence pour époxyder de l'éthène, du propène ou du butène. L'invention concerne en outre un catalyseur pour oxyder les hydrocarbures insaturés mentionnés.
Dilcher Herbert
Dorf Ernst-Ulrich
Lucke Bernhard
Schild Christoph
Schulke Ulrich
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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