Destruction of H<sub>2</sub>S gas with a Combined Plasma Photolysis (CPP) reactor

ZHANG Hong(张虹); JI Tianyi(纪天一); ZHANG Renxi(张仁熙); HOU Huiqi(侯惠奇)

doi:10.1088/1009-0630/14/2/10

Plasma Science and Technology > 2012 > 14(2): 134-139. > DOI: 10.1088/1009-0630/14/2/10

ZHANG Hong(张虹), JI Tianyi(纪天一), ZHANG Renxi(张仁熙), HOU Huiqi(侯惠奇). Destruction of H₂S gas with a Combined Plasma Photolysis (CPP) reactor[J]. Plasma Science and Technology, 2012, 14(2): 134-139. DOI: 10.1088/1009-0630/14/2/10

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Destruction of H₂S gas with a Combined Plasma Photolysis (CPP) reactor

Institute of Environmental Science, Fudan University, Shanghai 200433, China

Funds: supported by Natural Science Foundation of Shanghai(No.07ZR14004)

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Received Date: August 05, 2011

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Abstract

Abstract

A combined plasma photolysis (CPP) reactor that utilized the dielectric barrier discharge (DBD) plasma together with DBD-driven KrI* excimer ultraviolet emission was applied to the decomposition of H₂S gas. The effects of applied voltage, input current, gas flow velocity, original concentration as well as the ratio of Kr/I₂ mixture on H₂S removal efficiency were investigated. Gas streams containing H₂S were separately treated with single DBD and CPP reactor under the same conditions. In comparison to DBD, CPP could greatly enhance the H₂S removal efficiency at the same applied voltage, inlet gas concentration and gas flow velocity. In addition, the reaction mechanism was also discussed in this paper.
- Combined Plasma Photolysis,
- Hydrogen Sulfide,
- Excimer Ultraviolet Light Radiation,
- Dielectric Barrier Discharge

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