Multizone downcomer for slurry hydrocarbon syntheses process

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 2/00 (2006.01) B01J 8/00 (2006.01) B01J 8/22 (2006.01) C07C 1/06 (2006.01)

Patent

CA 2287456

A downcomer for producing at least two slurries having different solids and gas concentrations from a single three phase slurry of particulate solids and gas bubbles in a slurry liquid has two or more concentric gas and solids disengaging zones, each having an open fluid conduit depending from an orifice in the bottom. The downcomer is useful in a slurry hydrocarbon synthesis process for forming a catalyst and gas reduced slurry which is passed to a liquid filter to remove hydrocarbon liquid from the slurry reactor.

L'invention concerne un déversoir pour produire au moins deux suspensions présentant différentes concentrations de solides et de gaz à partir d'une seule suspension à trois phases de solides particulaires et de bulles de gaz dans un liquide. Ce déversoir comporte au moins deux zones concentriques de séparation de gaz et de solides, chaque zone possédant un conduit de fluide ouvert partant d'un orifice ménagé dans le fond. Ce déversoir est utile dans un processus de synthèse d'hydrocarbures dans une suspension, en vue de former une suspension à teneur réduite en catalyseur et en gaz, qui est acheminée à un filtre de liquide pour éliminer l'hydrocarbure liquide contenu dans le réacteur à combustible en suspension.

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