The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2010
Filed:
Feb. 06, 2007
Julia Magne-drisch, Villette de Vienne, FR;
Anne-claire Lucquin, Saint Maurice l'Exil, FR;
Christina Streicher, Rueil Malmaison, FR;
Jean Elgue, Lons, FR;
Jean-paul Cousin, Montigny les Cormeilles, FR;
Gauthier Perdu, Suresnes, FR;
Damien Roquet, Fontenay Sous Bois, FR;
Viep Hoang Dinh, Bizanos, FR;
Julia Magne-Drisch, Villette de Vienne, FR;
Anne-Claire Lucquin, Saint Maurice l'Exil, FR;
Christina Streicher, Rueil Malmaison, FR;
Jean Elgue, Lons, FR;
Jean-Paul Cousin, Montigny les Cormeilles, FR;
Gauthier Perdu, Suresnes, FR;
Damien Roquet, Fontenay Sous Bois, FR;
Viep Hoang Dinh, Bizanos, FR;
Institut Francais du Petrole, Cedex, FR;
Total SA, Puteaux, FR;
Abstract
The invention provides a method of extracting the hydrogen sulfide contained in a gas comprising aromatic hydrocarbons, wherein the following stages are carried out: a) contacting said gas with an absorbent solution so as to obtain a gas depleted in hydrogen sulfide and an absorbent solution laden with hydrogen sulfide, b) heating and expanding the hydrogen sulfide-laden absorbent solution to a predetermined temperature and pressure so as to release a gaseous fraction comprising aromatic hydrocarbons and to obtain an absorbent solution depleted in aromatic hydrocarbons, said temperature and pressure being so selected that said gaseous fraction comprises at least 50% of the aromatic hydrocarbons and at most 35% hydrogen sulfide contained in said hydrogen sulfide-laden absorbent solution, c) thermally regenerating the absorbent solution depleted in aromatic hydrocarbon compounds so as to release a hydrogen sulfide-rich gaseous effluent and to obtain a regenerated absorbent solution.