摘要
催化氧化技术具有环境友好、节省能源、操作简单等优点,在治理室内甲醛污染方面显示出非常有潜力的应用前景。综述了近年来甲醛催化氧化反应机理的研究进展,阐述了在甲醛催化氧化过程中,活性氧物种、可能产生的反应中间体以及反应路径。重点介绍了贵金属催化剂(Au、Pt、Pd和Ag)、过渡金属(Mn、Co和Ce等)氧化物催化剂催化氧化甲醛反应机理,不同金属种类、载体性质和添加剂等对反应机理的影响。另外,介绍了已经商业化的除甲醛产品所采用的反应机理。最后,指出甲醛催化氧化反应机理存在的问题并对其未来研究发展方向进行了展望。
Catalytic oxidation technology has the advantages of environmental friendliness,energy saving,simple operation and so on.It shows a very potential application prospect in the treatment of indoor formaldehyde pollution.The research progress of mechanism of catalytic oxidation of formaldehyde in recent years is reviewed.The active oxygen species,the possible intermediates and the reaction paths in the catalytic oxidation of formaldehyde are summarized.The oxidation mechanism of formaldehyde catalyzed by noble metal catalysts(Au,Pt,Pd and Ag)and transition metal oxide catalysts(Mn,Co and Ce,etc.),and the effects of different metal types,carrier properties and additives on the reaction mechanism are introduced.In addition,the reaction mechanism of commercial formaldehyde removal products is described.Finally,the existing problems in the catalytic oxidation mechanism of formaldehyde are pointed out and the future research direction is prospected.
作者
崔维怡
王希越
谭乃迪
CUI Weiyi;WANG Xiyue;TAN Naidi(Key Laboratory of Chemical Cleaner Production Technology of Colleges and Universities in Jilin Province,Jilin Institute of Chemical Technology,Jilin 132022,Jilin,China;School of Chemistry and Pharmaceutical Engineering,Jilin Institute of Chemical Technology,Jilin 132022,Jilin,China)
出处
《精细化工》
EI
CAS
CSCD
北大核心
2020年第10期1977-1985,共9页
Fine Chemicals
基金
国家自然科学基金(51805207)
吉林省教育厅‘十三五’科学技术研究规划项目(JJKA20180559KJ)。
关键词
甲醛
催化氧化
反应机理
贵金属
过渡金属
formaldehyde
catalytic oxidation
reaction mechanism
noble metal
transition metal
