负载型廉价金属催化剂在低温催化氧化甲醛中的应用  

Application of Supported Non-Noble Metal Catalysts for Formaldehyde Oxidation at Low Temperature

作　　者：田景晨 吴功德[2] 刘雁军 万杰 王晓丽[2] 邓琳[1] Jingchen Tian;Gongde Wu;Yanjun Liu;Jie Wan;Xiaoli Wang;Lin Deng(School of Civil Engineering,Southeast University,Nanjing 211189,China;Energy Research Institute,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]东南大学土木工程学院,南京211189 [2]南京工程学院能源研究院,南京211167

出　　处：《化学进展》2021年第11期2069-2084,共16页Progress in Chemistry

基　　金：国家自然科学基金项目(No.21203093);江苏省重点研发计划项目(No.BE2018718);南京工程学院能源研究院合作基金(No.CXY201911,CXY201923);南京工程学院高层次引进人才科研启动基金项目(No.YKJ2019110,YKJ2019111)资助。

摘　　要：甲醛是室内常见的挥发性有机污染物之一,长期接触会严重危害人体健康。负载型廉价金属催化剂在甲醛去除和实际应用方面表现出优异性能,引起研究人员的广泛关注。本文阐述了低温条件下负载型廉价金属催化剂在甲醛热催化氧化、光催化氧化和等离子协同催化氧化方面的研究进展,介绍了甲醛低温催化的影响因素,并讨论了反应机理。反应条件、载体类型和制备方式是影响甲醛低温催化活性的重要因素。虽然负载型廉价金属催化剂在甲醛光催化氧化和热催化氧化方面均表现出良好性能,但仍须进一步探究提升其在可见光和室温下的催化活性。对于甲醛等离子协同催化氧化,降低反应过程所产生的副产物和能耗仍是研究重点。此外,本文还对负载型廉价金属催化剂在甲醛催化应用中的发展方向进行了展望。Formaldehyde is one of the most common volatile organic pollutants in the indoor environment.It has been confirmed that long-term exposure to formaldehyde causes great harm to health.Supported non-noble metal catalysts have shown excellent performance in formaldehyde removal and practical applications,which has attracted great attention of researchers.This article highlights the recent development of formaldehyde removal by supported non-noble metal catalysts at low temperature,including thermal catalysts,photocatalysts and non-thermal plasma assisted catalysts.Moreover,reaction factors that have great effects on formaldehyde removal and mechanisms are reviewed.The results show that reaction conditions,supports types and preparing conditions are the most important factors in the low-temperature catalytic removal of formaldehyde.Supported non-noble metal catalysts exhibit outstanding performance in the photocatalysis and thermal catalysis of formaldehyde.Besides,remarkable formaldehyde removal efficiency was also observed at low temperature or under UV light irradiation.However,catalytic activity improvement of the supported non-noble metal catalysts under visible light and room temperature should be further investigated.It is still the point of future research to reduce by-products and energy consumption in formaldehyde removal process by non-thermal plasma combined with non-noble metal catalysts.Here,this paper also proposes the prospects on the development direction of supported non-noble metal catalysts in formaldehyde removal.

关 键 词：甲醛 低温催化 廉价金属 热催化 光催化 低温等离子协同催化 

分 类 号：O643[理学—物理化学]