Improved hydroprocessing process and method of retrofitting...

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 65/12 (2006.01)

Patent

CA 2427174

A process for hydroprocessing a hydrocarbon feed comprising the steps of (a) admixing the feed with a hydrogen rich gas and obtaining a first admixed process stream; (b) contacting the first admixed process stream with a first catalyst being active in hydrocracking of hydrocarbon compounds and obtaining a first catalyst effluent process stream; (c) separating the first catalyst effluent process stream in a gas phase stream and a liquid phase stream, and withdrawing the gas phase stream; (d) admixing the liquid phase stream with a hydrogen rich gas and obtaining a second admixed process stream; (e) contacting the second admixed process gas stream with a second catalyst being active in hydrocracking of hydrocarbon compounds and obtaining a second catalyst effluent process stream; (f) withdrawing and admixing the second catalyst effluent process stream with the gas phase stream obtained in step (c); and (g) withdrawing the admixed process stream provided in step (f).

Procédé d'hydrocraquage d'une alimentation d'hydrocarbures qui consiste en ce qui suit: (a) mélanger l'alimentation avec un gaz riche en hydrogène et obtenir un premier liquide à traiter mélangé; (b) mettre en contact le premier liquide à traiter mélangé et un premier catalyseur actif dans l'hydrocraquage de composés hydrocarbonés et obtenir un premier liquide à traiter à effluent catalytique; (c) séparer le premier liquide à traiter à effluent catalytique en un flux en phase gazeuse et un flux en phase liquide puis évacuer le flux en phase gazeuse; (d) mélanger le flux en phase gazeuse avec un gaz riche en hydrogène et obtenir un deuxième liquide à traiter mélangé; (e) mettre en contact le deuxième liquide à traiter mélangé et un deuxième catalyseur actif dans l'hydrocraquage de composés hydrocarbonés pour obtenir un deuxième liquide à traiter à effluent catalytique; (f) évacuer et mélanger le deuxième liquide à traiter à effluent catalytique avec le flux en phase gazeuse obtenu au stade (c); et (g) évacuer le liquide à traiter mélangé obtenu au stade (f).

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