C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 45/04 (2006.01) C10G 65/04 (2006.01) C10G 69/02 (2006.01)
Patent
CA 2313335
This invention is directed to an improved process scheme to process sour feed in the reaction section of the process unit, including isomerization dewaxing with zeolite beta. The instant invention employs countercurrent flow in the fixed bed of the MIDW (Mobil*Isomerization Dewaxing) reactor (the reactor in which isomerization dewaxing occurs) with recycle gas being the gas stream in the MIDW bed. With this arrangement hydrodesulfurization (HDS) and MIDW occur in an integrated process.
L'invention concerne un schéma de procédé amélioré permettant de traiter l'alimentation en composés soufrés dans la section de réaction de l'unité de traitement, qui comporte le déparaffinage par isomérisation avec des zéolites bêta. Le procédé de l'invention consiste à faire passer un flux de contre-courant dans le lit fixe du réacteur de déparaffinage par isomérisation mobile (MIDW) (le réacteur dans lequel a lieu le déparaffinage par isomérisation), le gaz de recirculation étant le flux gazeux traversant ledit lit MIDW. Cet agencement permet d'associer en un processus intégré l'hydrodésulfuration (HDS) et le déparaffinage par isomérisation mobile.
Gowling Lafleur Henderson Llp
Mobil Oil Corporation
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