低温等离子体协同催化处理VOCs的研究进展

余淼霏; 杜胜男; 米俊锋; 王小刚

doi:10.13205/j.hjgc.202208030

低温等离子体协同催化处理VOCs的研究进展

doi: 10.13205/j.hjgc.202208030

1. 辽宁石油化工大学土木工程学院, 辽宁抚顺 113001;
2. 辽宁石油化工大学石油天然气工程学院, 辽宁抚顺 113001;
3. 中国城市建设研究院有限公司, 北京 100120

基金项目:

2020年辽宁省教育厅科学研究经费项目(L2020027)

详细信息

作者简介:
余淼霏(1997-),女,硕士,主要研究方向为低温等离子体处理污染气体。1151274563@qq.com

通讯作者:
杜胜男(1984-),女,博士,讲师,主要研究方向为低温等离子体与流体污染控制工程。dusn808@163.com

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出版历程
- 收稿日期: 2021-12-15
- 刊出日期: 2022-11-08

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

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

摘要

摘要: 针对成分复杂且极易挥发的挥发性有机物(VOCs),传统的大气治理技术很难将其完全去除,而低温等离子体技术利用O·、·OH、N·和O₃等强氧化性物质可高效降解VOCs。简述了低温等离子体单独降解VOCs反应机理,等离子体与催化剂的协同作用,并分析了催化剂位置对降解效率的影响。其中,重点分析了不同催化剂的协同作用,主要包括贵金属催化剂、复合金属催化剂、过渡金属催化剂、钙钛矿催化剂和光催化剂等,深入分析了其对VOCs的降解机理,并总结了这些催化剂用于处理VOCs的降解效果及影响因素,最后提出了低温等离子体技术协同催化降解VOCs目前存在的问题及未来的研究和发展方向,可为实际工业废气的治理提供参考。
- 低温等离子体 /
- 催化剂 /
- 协同催化 /
- 挥发性有机物
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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