Catalyst regeneration process

Details Catalyst regeneration process Catalyst regeneration process

B - Operations, Transporting

01

J

B01J 29/40 (2006.01) B01J 29/80 (2006.01) B01J 29/89 (2006.01) B01J 29/90 (2006.01) B01J 38/50 (2006.01) B01J 38/58 (2006.01)

Patent

CA 2565436

Used noble metal-containing titanium or vanadium zeolite catalysts, that have been employed in the epoxidation of olefins with hydrogen and oxygen, are regenerated by contacting the spent catalyst with water or an alcohol/water mixture at a temperature of 25~C to 200~C.

L'invention concerne un procédé pour régénérer des catalyseurs usagés, qui sont constitués d'un zéolithe de titane ou de vanadium et d'un métal noble, et qui ont été employés pour époxyder des oléfines au moyen d'hydrogène et d'oxygène. Le procédé selon l'invention consiste à mettre le catalyseur usagé en contact avec de l'eau ou un mélange alcool/eau à une température comprise entre 25 °C et 200 °C.

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