Process for converting synthesis gas into higher hydrocarbons

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 1/06 (2006.01) B01J 8/22 (2006.01) B01J 19/26 (2006.01) C07C 1/04 (2006.01)

Patent

CA 2392343

A process for the conversion of synthesis gas into higher hydrocarbon products in a system comprising a high shear mixing zone and a post mixing zone wherein the process comprises: a) passing a suspension of catalyst in a liquid medium through the high shear mixing zone where the suspension is mixed with synthesis gas; b) discharging a mixture of synthesis gas and sus-pension from the high shear mixing zone into the post mixing zone; c) converting at least a portion of the synthesis gas to higher hydrocarbons in the post mixing zone to form a product suspension comprising catalyst suspended in the liquid medium and the higher hydrocarbons; d) separating a gaseous stream comprising uncoverted synthesis gas from the product suspension; e) recycling the separated gaseous stream to the high shear mixing zone; and f) recycling at least a portion of the product suspension to the high shear mixing zone.

L'invention concerne un procédé de transformation d'un gaz de synthèse en produits d'hydrocarbures supérieurs dans un système comprenant une zone de mélange à cisaillement élevé et une zone de post-mélange, lequel procédé consiste à: a) faire passer une suspension de catalyseur dans un milieu liquide à travers la zone de mélange à cisaillement élevé où la suspension est mélangée au gaz de synthèse; b) à décharger un mélange de gaz de synthèse et de suspension depuis la zone de mélange à cisaillement élevé à la zone de post-mélange; c) à transformer au moins une partie du gaz de synthèse en hydrocarbures supérieurs dans la zone de post-mélange afin de former un produit suspension comprenant le catalyseur en suspension dans le milieu liquide et les hydrocarbures supérieurs; d) à séparer un flux gazeux comprenant du gaz de synthèse non transformé dudit produit suspension; e) à recycler le flux gazeux séparé dans la zone de mélange à cisaillement élevé et f) à recycler au moins une partie du produit suspension dans la zone de mélange à cisaillement élevé.

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