Oil-derived hydrocarbon converter having an integrated...

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 11/18 (2006.01) B01J 29/90 (2006.01) F23C 10/10 (2006.01)

Patent

CA 2634129

The invention relates to an oil-derived hydrocarbon converter comprising a catalytic cracking vessel (1) in the presence of catalyst particles in fluidized phase and a regenerator, for regenerating said catalyst particles by burning off the coke deposited on them, said catalyst circulating between said cracking vessel and said regenerator, said regenerator being a reactor (2) integrated into a combustion installation for steam generation comprising carbon dioxide capture. According to the invention, said regenerator is a reduction reactor (2) for an oxygen support, which is fed with solid fuel, comprising said particles provided with coke, and is equipped with a cyclone (C2) for separating the solids and with exchangers (E2), this reduction reactor for said oxygen support being associated with an oxidation reactor (3) for said oxygen support and equipped with a cyclone (C3) for separating the solids and with exchanges (E3), said oxygen support circulating between these two reactors, and in that said oxygen support consists of metal oxide particles having a mean diameter different from that of said catalyst particles.

L'invention concerne une installation de conversion d'hydrocarbures pétroliers comportant une enceinte de craquage catalytique (1) en présence de particules de catalyseur en phase fluidisé et un régénérateur desdites particules de catalyseur par combustion du coke déposées sur celles-ci, ledit catalyseur circulant entre ladite enceinte de craquage et ledit régénérateur, ledit régénérateur étant un réacteur (2) intégré dans une installation de combustion pour la production de vapeur comprenant une capture du dioxyde de carbone. Selmon l'invention, ledit régénérateur est un réacteur de réduction (2) d'un support d'oxygène, alimenté en combustible solide comprenant lesdites particules pourvues de coke et équipé d'un cyclone de séparation des solides (C2) et d'échangeurs (E2), ce réacteur de réduction dudit support d'oxygène étant associé à un réacteur d'oxydation (3) dudit support d'oxygène et équipé d'un cyclone de séparation des solides (C3) et d'échangeurs (E3), ledit support d'oxygène circulant entre ces deux réacteurs et en ce que ledit support d'oxygène est constitué de particules d'oxydes métalliques de diamètre moyen différent de celui desdites particules de catalyseur.

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