Catalyst rejuvenation in hydrocarbon synthesis slurry with...

Details Catalyst rejuvenation in hydrocarbon synthesis slurry with... Catalyst rejuvenation in hydrocarbon synthesis slurry with...

C - Chemistry, Metallurgy

10

G

C10G 2/00 (2006.01) B01J 8/22 (2006.01) B01J 23/94 (2006.01) B01J 38/48 (2006.01)

Patent

CA 2284939

A reversibly deactivated, particulate catalyst in a hydrocarbon synthesis slurry is rejuvenated by circulating the slurry from a slurry body through a rejuvenation zone in which hydrogen contacts the slurry and rejuvenates the catalyst to form a rejuvenated catalyst slurry and an offgas which contains catalyst deactivating species. The offgas is separated and removed from the rejuvenated slurry before it is passed back into the slurry body. This avoids or minimizes contamination and recontamination of the slurry body with the deactivating species produced by the rejuvenation process.

Il est possible de régénérer un catalyseur particulaire réversiblement désactivé présent dans des boues d'hydrocarbures de synthèse en faisant circuler les boue de la masse de boues dans une zone de régénération où de l'hydrogène entre en contact avec les boues et régénère le catalyseur, entrainant la formation de boues à catalyseur régénéré et d'un effluent gazeux contenant des substances désactivant le catalyseur. L'effluent gazeux est séparé puis extrait des boues régénérées avant de repasser dans la masse. On évite ou réduit ainsi la contamination et la recontamination de la masse par les substances désactivantes produites pendant le processus de régénération.

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