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Volume 16
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Article

In Plasma Catalytic Oxidation of Toluene Using Monolith CuO Foam as a Catalyst in a Wedged High Voltage Electrode Dielectric Barrier Discharge Reactor: Influence of Reaction Parameters and Byproduct Control

by
Juexiu Li
1,
Hongbo Zhang
1,
Diwen Ying
1,
Yalin Wang
1,
Tonghua Sun
1 and
Jinping Jia
1,2,*
1
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2
Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(5), 711; https://doi.org/10.3390/ijerph16050711
Submission received: 4 December 2018 / Revised: 19 February 2019 / Accepted: 24 February 2019 / Published: 27 February 2019
(This article belongs to the Special Issue Fundamentals and Techniques for VOCs and Odor Control)
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Abstract

Volatile organic compounds (VOCs) emission from anthropogenic sources has becoming increasingly serious in recent decades owing to the substantial contribution to haze formation and adverse health impact. To tackle this issue, various physical and chemical techniques are applied to eliminate VOC emissions so as to reduce atmospheric pollution. Among these methods, non-thermal plasma (NTP) is receiving increasing attention for the higher removal efficiency, non-selectivity, and moderate operation, whereas the unwanted producing of NO2 and O3 remains important drawback. In this study, a dielectric barrier discharge (DBD) reactor with wedged high voltage electrode coupled CuO foam in an in plasma catalytic (IPC) system was developed to remove toluene as the target VOC. The monolith CuO foam exhibits advantages of easy installation and controllable of IPC length. The influencing factors of IPC reaction were studied. Results showed stronger and more stable plasma discharge in the presence of CuO foam in DBD reactor. Enhanced performance was observed in IPC reaction for both of toluene conversion rate and CO2 selectivity compared to the sole NTP process at the same input energy. The longer the contributed IPC length, the higher the toluene removal efficiency. The toluene degradation mechanism under IPC condition was speculated. The producing of NO2 and O3 under IPC process were effectively removed using Na2SO3 bubble absorption.
Keywords: VOCs; in plasma catalytic; dielectric barrier discharge; CuO foam; toluene VOCs; in plasma catalytic; dielectric barrier discharge; CuO foam; toluene
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MDPI and ACS Style

Li, J.; Zhang, H.; Ying, D.; Wang, Y.; Sun, T.; Jia, J. In Plasma Catalytic Oxidation of Toluene Using Monolith CuO Foam as a Catalyst in a Wedged High Voltage Electrode Dielectric Barrier Discharge Reactor: Influence of Reaction Parameters and Byproduct Control. Int. J. Environ. Res. Public Health 2019, 16, 711. https://doi.org/10.3390/ijerph16050711

AMA Style

Li J, Zhang H, Ying D, Wang Y, Sun T, Jia J. In Plasma Catalytic Oxidation of Toluene Using Monolith CuO Foam as a Catalyst in a Wedged High Voltage Electrode Dielectric Barrier Discharge Reactor: Influence of Reaction Parameters and Byproduct Control. International Journal of Environmental Research and Public Health. 2019; 16(5):711. https://doi.org/10.3390/ijerph16050711

Chicago/Turabian Style

Li, Juexiu, Hongbo Zhang, Diwen Ying, Yalin Wang, Tonghua Sun, and Jinping Jia. 2019. "In Plasma Catalytic Oxidation of Toluene Using Monolith CuO Foam as a Catalyst in a Wedged High Voltage Electrode Dielectric Barrier Discharge Reactor: Influence of Reaction Parameters and Byproduct Control" International Journal of Environmental Research and Public Health 16, no. 5: 711. https://doi.org/10.3390/ijerph16050711

APA Style

Li, J., Zhang, H., Ying, D., Wang, Y., Sun, T., & Jia, J. (2019). In Plasma Catalytic Oxidation of Toluene Using Monolith CuO Foam as a Catalyst in a Wedged High Voltage Electrode Dielectric Barrier Discharge Reactor: Influence of Reaction Parameters and Byproduct Control. International Journal of Environmental Research and Public Health, 16(5), 711. https://doi.org/10.3390/ijerph16050711

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