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:
Mar. 17, 2026
Filed:
Apr. 20, 2023
Messer Industries Usa, Inc., Bridgewater, NJ (US);
Neeraj Saxena, New Providence, NJ (US);
Andrew Richardson, Clinton, NJ (US);
Blake Stapper, Austin, TX (US);
Guisu Liu, Naperville, IL (US);
Messer Industries USA, Inc., Wilmington, DE (US);
Abstract
A RedOx furnace and process is provided for regenerating a spent sulfuric acid stream or other sulfur-containing stream by decomposing the spent sulfuric acid stream and/or other sulfur-containing stream to recover sulfur dioxide from the streams. The RedOx furnace includes a reduction chamber having an interior atmosphere, an oxidation chamber having an interior atmosphere positioned downstream from, and in fluid communication with, the reduction chamber, an inlet for supplying a spent sulfuric acid stream or other sulfur-containing stream into the interior atmosphere of the reduction chamber, and an inlet for supplying a pure oxygen stream into the interior atmosphere of the reduction chamber.