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. 12, 2019
Filed:
Dec. 11, 2014
Applicant:
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;
Inventors:
Leon Christian Stille, 's-Gravenhage, NL;
Marco Johannes Gerardus Linders, 's-Gravenhage, NL;
Earl Lawrence Vincent Goetheer, 's-Gravenhage, NL;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C10L 3/10 (2006.01); C01B 17/05 (2006.01); B01D 53/52 (2006.01); B01D 53/78 (2006.01); B01D 53/00 (2006.01);
U.S. Cl.
CPC ...
C10L 3/103 (2013.01); B01D 53/00 (2013.01); B01D 53/52 (2013.01); B01D 53/78 (2013.01); C01B 17/05 (2013.01); B01D 2251/10 (2013.01); B01D 2251/90 (2013.01); B01D 2251/902 (2013.01); B01D 2251/904 (2013.01); B01D 2257/304 (2013.01); B01D 2258/05 (2013.01); C10L 2290/54 (2013.01); C10L 2290/60 (2013.01); Y02P 20/145 (2015.11);
Abstract
The invention is directed to a process and apparatus for removing hydrogen sulfide from a gas stream comprising biogas. In accordance with the invention the gas stream is contacted with an oxidizing agent present in a vessel, whereby said hydrogen sulfide is oxidized into elemental sulfur and said oxidizing agent is reduced, wherein oxygen containing gas is also fed to said vessel, wherein said oxygen oxidizes at least part of said reduced oxidizing agent.