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. 19, 2017
Filed:
Dec. 20, 2013
Sulfurcycle Intellectual Property Holding Company Llc, Broomfield, CO (US);
C. Deane Little, Niwot, CO (US);
Joseph Victor Kosmoski, Longmont, CO (US);
Yongan Yang, Lakewood, CO (US);
Ryan Patrick O'Hayre, Golden, CO (US);
Tim S. Olson, Arvada, CO (US);
Other;
Abstract
A chemical process captures and convert hydrogen sulfide (HS) gas into elemental sulfur, polysulfide, sulfur dioxide and/or sulfuric acid while regenerating sodium hydroxide capture agent for further use in an initial HS capture step. Processing may include initial sodium hydroxide scrubbing of gas streams containing HS, electrochemical regeneration of the sodium hydroxide from sodium hydrosulfide or sodium sulfide, recovery of sulfur and/or sulfur dioxide from the electrochemical processing, and production of sulfuric acid from such sulfur and/or sulfur dioxide.