Integrated slurry hydrocracking and coking process

Details Integrated slurry hydrocracking and coking process Integrated slurry hydrocracking and coking process

C - Chemistry, Metallurgy

10

G

C10G 65/02 (2006.01) C10G 45/02 (2006.01)

Patent

CA 2742016

Integrated slurry hydrocracking (SHC) and coking methods for making slurry hydrocracking (SHC) distillates are disclosed. Representative methods involve passing a slurry comprising a recycle SHC gas oil, a coker gas oil, a vacuum column resid, and a solid particulate through an SHC reaction zone in the presence of hydrogen to obtain the SHC distillate. Recovery of an SHC pitch from fractionation of the SHC reaction zone effluent provides an additional possibility for integration with the coker, and particularly via the upgrading of the SHC pitch in the coker to provide coke and lighter hydrocarbons such as SHC vacuum gas oil (VGO).

Linvention concerne des procédés dhydrocraquage de boue (SHC) et de cokéfaction intégrés destinés à fabriquer des distillats dhydrocraquage de boue (SHC). Des procédés représentatifs consistent à faire passer une boue renfermant un gasoil de SHC recyclé, un gasoil de cokéfaction, un résidu de colonne sous vide et des particules solides à travers une zone de réaction de SHC, en présence dhydrogène, pour obtenir le distillat de SHC. La récupération dun brai de SHC provenant du fractionnement de leffluent de la zone de réaction de SHC fournit une possibilité supplémentaire dintégration avec le cokeur, et notamment par le biais de lamélioration du brai de SHC dans le cokeur pour fournir du coke et des hydrocarbures plus légers, tels quun gasoil sous vide de SHC (VGO).

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