Integrated solvent deasphalting and slurry hydrocracking...

Details Integrated solvent deasphalting and slurry hydrocracking... Integrated solvent deasphalting and slurry hydrocracking...

C - Chemistry, Metallurgy

10

G

C10G 69/02 (2006.01) C10G 45/02 (2006.01)

Patent

CA 2742010

Integrated slurry hydrocracking (SHC) and coking methods for making slurry hydrocracking (SHC) distillates are disclosed. Representative methods involve passing a slurry comprising a deasphalted oil (DAO) produced in a solvent deasphalting (SDA) process, optionally with recycled SHC gas oil and recycled SHC pitch, and a solid particulate through an SHC reaction zone in the presence of hydrogen to obtain the SHC distillate. Recovery and recycle of SHC gas oil and pitch from the SHC effluent improves the overall conversion to naphtha and distillate products and decreases catalyst requirements.

L'invention concerne des procédés d'hydrocraquage de boue (SHC) et de cokéfaction intégrés destinés à fabriquer des distillats d'hydrocraquage de boue (SHC). Des procédés représentatifs consistent à faire passer une boue renfermant une huile désasphaltée (DAO) produite au cours d'un processus de désasphaltage de solvant (SDA), éventuellement avec un gasoil de SHC recyclé et un brai de SHC recyclé, et des particules solides, à travers une zone de réaction de SHC, en présence d'hydrogène, pour obtenir le distillat de SHC. La récupération et le recyclage du gasoil et du brai de SHC à partir de l'effluent de SHC améliorent la conversion générale en naphta et produits distillés, et réduisent les besoins en catalyseur.

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