C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 65/04 (2006.01) C10G 67/06 (2006.01)
Patent
CA 2264021
The present invention relates to a process for heteroatom removal, particularly during process excursions, from petroleum and chemical hydrocarbon streams. The invention is comprised of at least two zones through which the hydrocarbon stream and a hydrogen containing treat gas flow. The first zone contains a bed of heteroatom hydroprocessing catalyst in contact with hydrogen-containing treat gas and the second zone contains heteroatom sorbent material(s) through which the hydrocarbon stream flows countercurrent to the up flowing hydrogen-containing treat gas.
Processus pour éliminer les hétéroatomes, en particulier pendant les épisodes de perturbations affectant le flux de pétrole et d'hydrocarbures chimiques durant le processus industriel. L'invention se compose d'au moins deux zones traversées par les flux d'hydrocarbures et d'un gaz de traitement contenant de l'hydrogène. La première zone contient un lit catalyseur d'hydrocraquage des hétéroatomes, se trouvant en contact avec le gaz de traitement contenant de l'hydrogène et la seconde zone contient une ou plusieurs matières à travers lesquels le flux d'hydrocarbures s'écoule à contre-courant par rapport au flux remontant du gaz de traitement contenant de l'hydrogène.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
Exxonmobil Chemical Patents Inc.
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