摘要
催化氧化是控制挥发性有机污染物排放的有效途径之一,但传统催化剂在氧化消除含氯挥发性有机物(CVOCs)时易中毒而失活,因此,研发新型、高效、稳定的催化剂对其工业应用具有重要意义。简要综述近年来稀土及过渡金属氧化物、分子筛和负载贵金属催化剂对CVOCs氧化的催化性能和催化反应机理,剖析CVOCs氧化反应副产物的形成和催化剂失活的原因,并展望CVOCs催化氧化技术的未来发展趋势。
Catalytic oxidation is one of the most effective pathways in controlling the emission of volatile organic compouns,but the conventional catalysts are prone to be deactivated due to chlorine poisoning during the oxidation processes of chlorinated volatile organic compounds(CVOCs).Therefore,the development of novel,high-efficiency,and durable catalysts is of significance in industrial applications.In this review,we briefly summarize the recent progress in catalytic performance and reaction mechanisms of rare earth oxides,transition metal oxides,zeolites,and supported noble metals in the oxidation of CVOCs.The formation of by-products and the reasons of catalyst deactivation in CVOCs oxidation are discussed.In addition,the development trend of the CVOCs oxidation technology in the future is envisioned.
作者
蒋熙云
杨军
刘雨溪
邓积光
敬林
戴洪兴
Jiang Xiyun;Yang Jun;Liu Yuxi;Deng Jiguang;Jing Lin;Dai Hongxing(College of Environmental and Energy Engineering,Beijing University of Technology,Beijing 100124,China)
出处
《工业催化》
CAS
2019年第8期23-35,共13页
Industrial Catalysis
基金
国家自然科学基金(21677004)资助项目
关键词
大气污染防治工程
含氯挥发性有机物
挥发性有机物消除
催化氧化
反应机理
air pollution control engineering
chlorinated volatile organic compound
volatile organic compound removal
catalytic oxidation
reaction mechanism
