机构地区: 广东工业大学轻工化工学院
出 处: 《广东工业大学学报》 2004年第3期28-33,共6页
摘 要: 汽车排放的尾气中含有大量的NOX、HC及CO,对人体危害很大,而高效汽车尾气净化催化剂是实现车外净化、解决这一问题的关键.国外发达国家已广泛使用三效催化剂.本文综述了汽车尾气净化催化剂的研究与进展,其中主要介绍了稀土元素在催化剂中的应用. There are great amounts of NOx,HC and CO in the vehicle exhaust emissions,which is greatly harmful to human body .High performances catalyst is the key factor for purifying the automotive exhaust gases.Three-way catalyst has been widely used in the developed countries .This paper reviews the research and development of automobile exhaust purifying catalyst,especially presents how raer earth elements are used in catalysts.
领 域: [化学工程]