Epoxidation process using a zeolite catalyst

C - Chemistry – Metallurgy – 07 – D

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C07D 301/06 (2006.01) B01J 29/04 (2006.01) B01J 29/89 (2006.01)

Patent

CA 2327609

The selectivity of an olefin epoxidation catalyzed by a noble metal-modified titanium or vanadium zeolite is greatly enhanced by the addition of a phosphorus, sulfur, selenium or arsenic compound to the reaction mixture. The epoxidation utilizes hydrogen and oxygen in addition to the olefin.

On peut améliorer la sélectivité d'une époxydation oléfinique catalysée par une zéolite de titane ou de vanadium modifiée par un métal noble en ajoutant un composé de phosphore, de soufre, de sélénium, ou d'arsenic au mélange réactionnel, cette époxydation utilisant par ailleurs de l'hydrogène et de l'oxygène ajoutés à l'oléfine.

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