Three stage hydroprocessing including a vapor stage

Details Three stage hydroprocessing including a vapor stage Three stage hydroprocessing including a vapor stage

C - Chemistry, Metallurgy

10

G

C10G 65/02 (2006.01) C10G 45/00 (2006.01) C10G 69/02 (2006.01)

Patent

CA 2328901

A three stage hydroprocessing process includes two liquid and one vapor reaction stages, with a hydrogen containing vapor effluent produced in both liquid stages. The second liquid stage vapor effluent comprises part of the first liquid stage feed and the first liquid stage vapor effluent is the feed for the vapor stage. At least a portion of the hydrogen for the first liquid stage and vapor stage reactions is respectively provided by the hydrogen in the second and first liquid stage vapor effluents.

Ce procédé d'hydrotraitement à trois étages de réaction comprend deux étages liquides et un étage vapeur, un effluent vapeur contenant de l'hydrogène étant produit dans les deux étages liquides. L'effluent vapeur du second étage de réaction liquide comprend une partie de l'alimentation du premier étage liquide, et l'effluent vapeur de ce premier étage constitue l'alimentation de l'étage vapeur. Au moins une portion de l'hydrogène destiné aux réactions du premier étage liquide et de l'étage vapeur est respectivement fournie par l'hydrogène présent dans les effluents vapeur du second et du premier étage de réaction liquide.

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