Research on decomposition of hydrogen sulfide using nonthermal plasma with metal oxide catalysis

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Abstract

The paper made a research on synergetic effect of hydrogen sulfide decomposition using dielectric barrier discharge (DBD) plasma combined with metal oxide catalysis. Effects of metal oxide types and active component loading on simultaneous removal of H2S and O3 were investigated. The synergistic mechanism that O3 assisted non-thermal plasma (NTP) for H2S decomposition were also analyzed. It was showed that in the presence of metal oxide catalyst, H2S removal efficiency was obviously higher than that with NTP alone. In terms of H2S removal efficiency, metal oxide catalysts could be ranked as follows: Mn>Ag>Cu>Fe, which also accorded with the sequence of O3 decomposition ability. At the same applied voltage, the larger decomposition amount of O3, the higher removal efficiency of H2S. With XPS spectra results, it was deduced that H2S was oxidized into SO2, SO3 in the process of NTP with catalysis, ultimately formed S,H2SO3 and H2SO4. © 2011 Published by Elsevier B.V. Selection and/or peer-review under responsibility of International Materials Science Society.

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APA

Dang, X., Huang, J., Kang, L., Wu, T., & Zhang, Q. (2012). Research on decomposition of hydrogen sulfide using nonthermal plasma with metal oxide catalysis. In Energy Procedia (Vol. 16, pp. 856–862). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2012.01.137

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