RESEARCH PROGRESS OF LOW-TEMPERATURE PLASMA SYNERGISTIC CATALYTIC TREATMENT OF VOCs

YU Miaofei; DU Shengnan; MI Junfeng; WANG Xiaogang

doi:10.13205/j.hjgc.202208030

Volume 40 Issue 8

Nov. 2022

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YU Miaofei, DU Shengnan, MI Junfeng, WANG Xiaogang. RESEARCH PROGRESS OF LOW-TEMPERATURE PLASMA SYNERGISTIC CATALYTIC TREATMENT OF VOCs[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 213-219,212. doi: 10.13205/j.hjgc.202208030

Citation:

YU Miaofei, DU Shengnan, MI Junfeng, WANG Xiaogang. RESEARCH PROGRESS OF LOW-TEMPERATURE PLASMA SYNERGISTIC CATALYTIC TREATMENT OF VOCs[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 213-219,212. doi: 10.13205/j.hjgc.202208030

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RESEARCH PROGRESS OF LOW-TEMPERATURE PLASMA SYNERGISTIC CATALYTIC TREATMENT OF VOCs

doi: 10.13205/j.hjgc.202208030

1. College of Civil Engineering, Liaoning University of Petrochemical Technology, Fushun 113001, China;
2. College of Petroleum and Natural Gas Engineering, Liaoning University of Petrochemical Technology, Fushun 113001, China;
3. China Urban Construction Research Institute Co., Ltd, Beijing 100120, China

Received Date: 2021-12-15
Publish Date: 2022-11-08

Abstract

Abstract

Volatile organic compounds which are usually complex and highly volatile, are difficult to completely remove by traditional atmospheric treatment technology. Low-temperature plasma technology can effectively degrade volatile organic compounds by using strong oxidizing substances such as O·,·OH, N· and O₃. With the development of industry, the emission and pollutant composition of volatile organic compounds continue to increase, which widely exists in coal-fired emission, pharmaceutical manufacturing emission and automobile exhaust emission. In this paper, firstly, the reaction mechanism of VOCs degradation by low-temperature plasma alone was described. Then the synergy between plasma and catalyst was briefly described, and the influence of catalyst position on degradation efficiency was analysed. The synergistic effects of different catalysts were analysed, mainly including noble metal catalysts, composite metal catalysts, transition metal catalysts, perovskite catalysts and photocatalysts. The degradation mechanism of these catalysts for VOCs was deeply analysed, and the degradation effects and influencing factors of these catalysts for VOCs were summarized. Finally, the existing problems and future research and development direction of low-temperature plasma synergistic catalytic degradation of VOCs were put forward, which laid a theoretical foundation for practical industrial waste gas treatment.
- non-thermal plasma,
- catalyst,
- synergistic catalysis,
- volatile organic compounds

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References(52)

References

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