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:
Nov. 21, 2017
Filed:
Dec. 05, 2013
Applicant:
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Inventors:
Assignee:
IFP ENERGIES NOUVELLES, Rueil-Malmasison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/52 (2006.01); B01D 53/14 (2006.01); B01D 53/78 (2006.01); B01D 53/96 (2006.01); C01B 3/52 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
B01D 53/78 (2013.01); B01D 53/1468 (2013.01); B01D 53/1493 (2013.01); B01D 53/52 (2013.01); C01B 3/52 (2013.01); C10L 3/103 (2013.01); B01D 2252/2026 (2013.01); B01D 2252/2041 (2013.01); B01D 2252/20484 (2013.01); B01D 2252/602 (2013.01); C01B 2203/0415 (2013.01); C01B 2203/0485 (2013.01); C10L 2290/541 (2013.01);
Abstract
The invention relates to a method of selectively removing hydrogen sulfide HS from a gaseous effluent comprising at least HS and CO, wherein a stage of selective absorption of hydrogen sulfide over COis carried out by contacting said effluent with a solution comprising (a) water and (b) at least the following diamine: and wherein the absorption selectivity is controlled by adding (c) a viscosifying compound to the absorbent solution.