Design of a MT-DBD reactor for H<sub>2</sub>S control

Xu CAO (曹栩); Weixuan ZHAO (赵玮璇); Renxi ZHANG (张仁熙); Huiqi HOU (侯惠奇); Shanping CHEN (陈善平); Ruina ZHANG (张瑞娜)

doi:10.1088/2058-6272/aa57e8

Plasma Science and Technology > 2017 > 19(4): 45501-045501. > DOI: 10.1088/2058-6272/aa57e8

Xu CAO (曹栩), Weixuan ZHAO (赵玮璇), Renxi ZHANG (张仁熙), Huiqi HOU (侯惠奇), Shanping CHEN (陈善平), Ruina ZHANG (张瑞娜). Design of a MT-DBD reactor for H₂S control[J]. Plasma Science and Technology, 2017, 19(4): 45501-045501. DOI: 10.1088/2058-6272/aa57e8

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Design of a MT-DBD reactor for H₂S control

Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Institute of Environmental Science, Fudan University, Shanghai 200433, People’s Republic of China Shanghai Institute for Design & Research on Environmental Engineering, Shanghai 200232, People’s Republic of China

Funds: The financial support for this research was provided by National Natural Science Foundation of China (Nos. 21577023), and the Key Project supported by the Science and Technology Commission of Shanghai Municipality (No. 15DZ1205904).

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Received Date: September 07, 2016

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Abstract

This study aimed to discuss the removal of hydrogen sulfide (H₂S) with non-thermal plasma produced by a multilayer tubular dielectric barrier discharge reactor, which is useful in the field of plasma environmental applications. We explored the in?uence of various factors upon H₂S removal efficiency (η_H2S) and energy yield (Ey), such as specific energy density (SED), initial concentration, gas flow velocity and the reactor configuration. The study showed that we can achieve η_H2S of 91% and the best Ey of 3100 mg kWh⁻¹ when we set the SED, gas flow velocity, initial H₂S concentration and layers of quartz tubes at 33.2 J l⁻¹, 8.0 ms⁻¹,30 mgm⁻³ and five layers, correspondingly. The average rate constant for the decomposition of hydrogen sul?de was 0.206 g m⁻³ s⁻¹. In addition, we also presented the optimized working conditions, by-product analysis and decomposition mechanism.
- dielectric barrier discharge (DBD),
- odor pollution,
- low temperature plasma,
- H₂S

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