汽车尾气三效催化剂的现状、发展及动向  

Status and Tendency of the Three-way-catalyst Used in the Treatment of Automotive Exhaust Gases

作　　者：叶青[1] 金钧[1] 陈永宝[1] 王道[1] 

机构地区：[1]北京工业大学环境与能源工程学院,北京100022

出　　处：《北京工业大学学报》2000年第1期112-117,共6页Journal of Beijing University of Technology

摘　　要：阐明了汽车尾气治理的必要性，分析了３种废气（ＮＯｘ、ＣＯ、ＨＣ）所发生的化学反应．并三效催化（ＴＷＣ）的主要成份：活性组分、助剂、涂层、载体及其发展进行了综述．The importance of the treatment of automative exhaust gases has been discussed in this paper. Chemical reactions of the three exhaust gases NOx CO and HC are analyzed. The main components, assistant agent, coating, supporter and the trendence of development of the three-way--catalyst (TWC) are also reviewed.

关 键 词：汽车 三效催化剂 净化 废气治理 发展动向 

分 类 号：TQ426.96[化学工程] U491.92[交通运输工程—交通运输规划与管理]