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:
Dec. 06, 2011
Filed:
Apr. 15, 2010
Applicants:
Julien Grandjean, Lyons, FR;
Laurent Renaudot, Maclas, FR;
P-louis Carrette, Lyons, FR;
Sophie Drozdz, Lyons, FR;
Inventors:
Julien Grandjean, Lyons, FR;
Laurent Renaudot, Maclas, FR;
P-Louis Carrette, Lyons, FR;
Sophie Drozdz, Lyons, FR;
Assignee:
IFP Energies Nouvelles, Rueil-Malmaison Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
C01B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a process for desulphurization of a gaseous effluent containing hydrogen sulphide using a Claus treatment unit followed by a Claus tail gas treatment unit (TGT), said process comprising using a device for on-line analysis of the ratio HS/SOat the outlet from the TGT unit and a feed-back loop which can maintain said HS/SOmolar ratio at the outlet from the TGT unit to a value close to 2 and generally in the range 1.5 to 2.5.