汽车尾气催化净化技术进展

Progress in Purifying Automotive Exhaust Gas with Catalysts

摘要:

叙述了以堇青石蜂窝陶瓷为基体的贵金属催化剂型汽车尾气催化净化技术发展状况，讨论了包括贵金属催化剂，助催化剂和稳定剂在内的各种相关材料的性能和进展；对构成汽车尾气催化净化器的基本，扩表涂层和催化层作了介绍并对３者间的交互影响和改善净化器性能的方法作了简要分析。

Abstract:

The progress in purifying automotive exhaust gas with noble metal catalysts is reviewed. An 4utomotive exhaust purifierconsisting of a monolithic cordierite substrate, a wash-coating and a noble metal catalyst coating is introduced. The properties and development of noble metal catalysts, aided catalysts and stabilizers are described. Further improvement of the purifier is discussedbriefly.