Sequence of hydroconversion and vapour reforming processes...

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 69/02 (2006.01) C01B 3/38 (2006.01)

Patent

CA 2589673

The invention concerns a method for treating a hydrocarbon feedstock comprising sequencing a first upstream hydroconversion treatment process, including at least one reaction chamber, the reaction(s) occurring inside said chambers and involving at least one solid phase and at least one gaseous phase, and a second downstream vapour reforming process, including at least one reaction chamber. The invention is characterized in that said upstream process is carried out in slurry and/or ebullated bed mode and in that said downstream process includes a first step of converting at least partly hydrocarbons heavier than methane into methane, said pre-reforming step and the reaction(s) occurring inside said chambers of the downstream process enabling a reagent, hydrogen, required for the chemical reactions of the former to be produced.

L'invention concerne un procédé de traitement d'une charge d'hydrocarbures comprenant l'enchaînement d'un premier procédé amont de traitement d'hydroconversion d'hydrocarbures, comprenant au moins une enceinte réactionnelle, la ou les réactions se produisant à l'intérieur desdites enceintes et mettant enjeu au moins une phase solide, au moins une phase liquide et au moins une phase gazeuse, et d'un deuxième procédé aval de vaporéformage , comprenant au moins une enceinte réactionnelle, caractérisé en ce que ledit procédé amont est mis en oeuvre en mode "slurry" et/ou en lit bouillonnant et en ce que ledit procédé aval comprend une première étape de conversion au moins partielle des hydrocarbures plus lourds que le méthane en méthane dite étape de pre-réformage et la ou les réactions se produisant à l'intérieur desdites enceintes du procédé aval permettent de fabriquer un réactif, l'hydrogène, nécessaire aux réactions chimiques du premier.

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