催化氧化降解挥发性有机物研究进展

Research progress on catalytic oxidation for the removal of volatile organic compounds

总结了典型的挥发性有机物(volatile organic compounds,VOCs)的来源、分类以及降解VOCs的纳米催化剂的主要种类和制备方法,简述了纳米催化剂颗粒、结构和形貌等对催化活性的影响,以及负载型贵金属催化剂和过渡金属氧化物催化剂处理卤烃、芳香烃、含氧有机化合物、脂肪烃和含氮(硫)有机化合物的研究现状,并归纳了CO和水蒸气对催化氧化VOCs反应的影响.最后,展望了挥发性有机物催化氧化消除的研究方向.

The sources and types of typical volatile organic compounds(VOCs)are reviewed in this paper.The impact of the category of nanocatalysts and their preparation methods is discussed,and the key parameters controlling nanocatalyst performance,such as particle size,structure,and morphology,are evaluated.Current research trends on the development of supported noble-and transition-metal oxide catalysts to remove halocarbons,aromatic hydrocarbons,oxygenated organic compounds,aliphatic hydrocarbons,and nitrogen-and sulfur-containing compounds are then examined.Moreover,the effects of carbon monoxide and water vapor on the catalytic oxidation of VOCs are investigated.Finally,perspectives on the development of methods to achieve the catalytic oxidation of VOCs are presented.