Other

Trustees of the Colorado School of Mines

Yongan Yang

Ryan Patrick O'Hayre

Colin A Wolden

C Deane Little

Joseph Victor Kosmoski

Tim S Olson

Xuemin Li

Rachel Morrish

Disclosed herein are methods of producing metal sulfide materials, including cathode materials. In some embodiments, the metal sulfide material comprises a secondary cluster of metal sulfide nanoparticles surrounded by a carbon layer. The carbon layer may be created by carbonizing one or more polymer layers disposed about the secondary cluster. The carbonized layer may aid in optimizing performance of the cathode material. Also disclosed herein are methods, processes, devices, and systems for removing hydrogen sulfide from a waste stream. In some embodiments, the waste stream containing hydrogen sulfide is a gas. The waste stream can be combined with a solvent containing a metal-catalyst complex, and the reaction of hydrogen sulfide with the metal results in production of a hydrogen gas and a solid comprising metal sulfide.

Production of alkali sulfide cathode material and methods for processing hydrogen sulfide

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.

Treatment of hydrogen sulfide

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Lakewood, CO, United States of America

Yongan Yang