C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 45/00 (2006.01) C10G 65/10 (2006.01) C10G 65/12 (2006.01)
Patent
CA 2479287
This invention is directed to processes for the conversion of material (1) boiling in the Vacuum Gas Oil boiling to high quality middle distillates and/or naphtha and lighter products, and more particularly to a multiple stage process using a single hydrogen loop. One embodiment is directed to the use of hot strippers (8) and separators between first and second stages, while second embodiment is directed to temperature control between hydrocracking and hydrotreating zones. All embodiments employ a single hydrogen loop.
L'invention concerne des procédés pour la conversion de matière (1) bouillant dans le bouillonnement de gazole sous vide pour obtenir des distillats moyens de haute qualité et/ou du naphta et des produits plus légers, et en particulier un procédé multi-étages faisant appel à une unique boucle d'hydrogène. Un mode de réalisation concerne l'utilisation de zones de rectification à chaud (8) et de séparateurs entre le premier étage et le second étage, tandis que le second mode de réalisation concerne une commande de température entre des zones d'hydrocraquage et des zones d'hydrotraitement. Tous les modes de réalisation font appel à une unique boucle d'hydrogène.
Cash Dennis R.
Dahlberg Arthur J.
Mukherjee Ujjal K.
Seung W. Louie Wai
Chevron U.s.a. Inc.
Sim & Mcburney
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