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:
Feb. 19, 2008
Filed:
Sep. 09, 2005
Denis Chretien, Saint Mande, FR;
Denis Chretien, Saint Mande, FR;
Total S.A., , FR;
Abstract
Disclosed is a process for the treatment of gas containing mercaptans and acid gases, including the following steps: (1) separating the acid gases from the said gas and obtaining a sweetened gas and the flow of acid gases containing HS; (2) reacting the HS thus obtained in step (1) according to the Claus reaction; (3) concentrating the mercaptans in at least one cut of the said sweetened gas; (4) extracting the mercaptans of the said cut; and further comprising: (5) transforming the mercaptans into dialkyl-disulfide (DSO); (6) hydrogenating DSO into HS; and (7) reacting the HS thus obtained at step (6) according to the Claus reaction. An installation for carrying out this procedure is also described.