Journal
CHEMSUSCHEM
Volume 10, Issue 9, Pages 1996-2000Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201700294
Keywords
hydrogen production; hydrogen sulfide; photochemistry; quantum yield; uv light
Funding
- Spanish Ministry of Economy
- Generalitat Valenciana [2013-014]
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Splitting of hydrogen sulfide is achieved to produce value-added chemicals. Upon irradiation at 254nm in the gas phase and in the absence of catalysts or photocatalysts at near room temperature, H2S splits into stoichiometric amounts of H-2 and S with a quantum efficiency close to 50%. No influence of the presence of CH4 and CO2 (typical components in natural gas and biogas in which H2S is an unwanted component) on the efficiency of overall H2S splitting was observed. A mechanism for the H-2 and S formation is proposed.
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