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.

Date of Patent:
Apr. 29, 2014

Filed:

Nov. 09, 2004
Applicants:

Thomas King Chow, Irvine, CA (US);

Vincent Wai Wong, Hacienda Heights, CA (US);

John Gebur, El Monte, CA (US);

Theresa Flood, Mission Viejo, CA (US);

Inventors:

Thomas King Chow, Irvine, CA (US);

Vincent Wai Wong, Hacienda Heights, CA (US);

John Gebur, El Monte, CA (US);

Theresa Flood, Mission Viejo, CA (US);

Assignee:

Fluor Technologies Corporation, Aliso Viejo, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 17/04 (2006.01); C01B 17/16 (2006.01); B01D 53/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

Sulfur oxides are removed from an oxygen-containing acid gas in configurations and methods in which oxygen is catalytically removed using hydrogen sulfide, and in which the sulfur oxides react with the hydrogen sulfide to form elemental sulfur. A first portion of the remaining sulfurous compounds is reduced to form the hydrogen sulfide for oxygen removal, while a second portion of the sulfurous compounds is further converted to elemental sulfur using a Claus reaction or catalytic direct reduction reaction.


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