摘要
汽车排放大量的污染物,危害到人们的生活环境。汽车尾气净化催化剂是减少汽车尾气中污染物的有效方法之一。汽车尾气净化催化剂可以分为贵金属催化剂、稀土催化剂和过渡金属催化剂等,其发展经历了4个阶段。它们的制备方法包括机械混合法、浸渍法和沉淀法等。催化剂载体对于催化剂的催化效果起到关键的作用。综述了汽车尾气净化催化剂及载体的研究进展,探讨了该研究领域亟待解决的问题以及今后可能的发展前景。
The amount of the pollutants from automobile exhaust emission can be large. It can harm to human health. The purification catalysts of automobile exhaust were one of the most effective methods of reducing pollutant emis- sion of automobile. The catalysts can be classified into the noble metal catalysts, rare earth catalysts, transition metal cata- lysts and so on. Their development had gone through four stages. The preparation methods include the mechanical mixing, dipping and precipitation methods, etc. The catalyst supporters were crucial to the catalytic effect of catalysts. The purifica- tion catalysts and supporters of automobile exhaust were summarized. The problems must to be solved and possible future prospect of development were discussed.
出处
《化工新型材料》
CAS
CSCD
北大核心
2015年第4期21-23,共3页
New Chemical Materials
关键词
汽车尾气
催化剂
载体
应用
automobile exhaust, catalyst supporter, application
