Treatment of hydrogen sulfide

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United States of America Patent

PATENT NO 9845539
SERIAL NO

14649134

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Abstract

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A chemical process captures and convert hydrogen sulfide (H2S) gas into elemental sulfur, polysulfide, sulfur dioxide and/or sulfuric acid while regenerating sodium hydroxide capture agent for further use in an initial H2S capture step. Processing may include initial sodium hydroxide scrubbing of gas streams containing H2S, 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.

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Patent Owner(s)

Patent OwnerAddress
SULFURCYCLE INTELLECTUAL PROPERTY HOLDING COMPANY LLC105 EDGEVIEW DRIVE #400 BROOMFIELD CO 80021

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kosmoski, Joseph Victor Longmont, US 3 48
Little, C Deane Niwot, US 10 362
O'Hayre, Ryan Patrick Golden, US 4 21
Olson, Tim S Arvada, US 3 33
Yang, Yongan Lakewood, US 5 35

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