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负载贵金属催化剂在甲醛低温氧化消除反应中的应用研究进展
Research progress on catalytic oxidation of formaldehyde elimination over supported noble metal catalysts at low temperature
【摘要】 甲醛(HCHO)是一种普遍存在的室内空气污染物,严重危害人体健康。催化氧化法是目前具有发展前途的室内甲醛消除技术之一,可在低温甚至室温条件下实现甲醛的完全转化,其核心在于开发高效且稳定的催化剂。负载型贵金属催化剂对甲醛催化反应表现出优异的催化性能,受到广泛关注。对近年来负载型贵金属催化剂在甲醛催化氧化反应中的应用进行了总结,讨论了影响甲醛催化氧化反应的因素,并分析了催化机理,以期为获得高效、稳定和实用的负载型贵金属甲醛低温氧化催化剂提供有价值的指导。
【Abstract】 Formaldehyde(HCHO) is a common indoor air pollutant that can cause a serious of health problems. Catalytic oxidation is a promising technique for indoor HCHO elimination, and can achieve complete decomposition of HCHO at low temperature or room temperature. The key of catalytic oxidation is the development of efficient and stable catalysts. Supported noble metal catalysts have been widely attention due to their superior catalytic performance for HCHO oxidation. This paper summarized the application of supported noble metal catalysts in catalytic oxidation of HCHO in recent year, discussed the factors affecting the HCHO catalytic oxidation reaction, analyzed the catalytic mechanism, in order to provide valuable guidance for obtaining efficient, stable and practical supported noble metal catalysts for low temperature oxidation of HCHO.
【Key words】 formaldehyde; catalysis; oxidation; supported noble metal catalysts; reaction mechanism;
- 【文献出处】 高校化学工程学报 ,Journal of Chemical Engineering of Chinese Universities , 编辑部邮箱 ,2023年06期
- 【分类号】O643.36
- 【下载频次】13