Research progress of low temperature catalytic oxidation of VOCs by metal oxides

被引：0
|
作者：
Wang K. [1 ,2 ]
Zhao C. [2 ]
Hu X. [2 ]
Yun J. [2 ,3 ]
Wei N. [1 ,2 ]
Jiang X. [1 ,2 ]
Zou Y. [1 ]
Chen Z. [2 ]
机构：
[1] College of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning
[2] Guangdong Province Engineering Laboratory for Air Pollution Control, Guangdong Key Lab of Water & Air Pollution Control, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangdong, Guangzhou
[3] College of Resources and Environment, Xiangtan University, Hunan, Xiangtan
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2023年 / 42卷 / 05期
关键词：
activity; carbon dioxide; catalytic oxidation; metal oxide; resistance; selectivity; volatile organic compounds;
D O I：
10.16085/j.issn.1000-6613.2022-1312
中图分类号：
学科分类号：
摘要：
Metal oxide catalysts with strong oxidation activity and high resistance are hot research topics in catalytic removal of volatile organic compounds (VOCs). In this paper, the effects of preparation factors such as composition ratio, morphology, calcination temperature, preparation method and carrier on catalytic VOCs oxidation activity and carbon dioxide selectivity was compared and analyzed from the perspectives of oxygen vacancies, active oxygen species, structure and crystalline surface. The poisoning mechanism of water vapor, nitrogen oxides and sulfur dioxide during the oxidation reactions in the actual working conditions was elaborated. The action mechanism of oxygen vacancies, lattice oxygen and surface adsorbed oxygen explored in depth by DFT calculations was prospected, and some key factors such as active component dispersion, high active crystalline surface ratio and oxygen vacancy strength can be considered in the optimization of catalysts. This review has provided scientific reference for the research and development of related catalytic systems. © 2023 Chemical Industry Press. All rights reserved.
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页码：2402 / 2412
页数：10
相关论文
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