摘要
以渍法制备了Pd/Ce0 ZrO4 /γ Al2 O3三效催化剂。在不同空速下 ,分别考察了空速对催化剂T30 % 、T50 % 、T90 % 的影响规律。详细分析了不同空速对催化剂起燃特性产生不同影响的原因所在。Pd/CeZrO4 /γ Al2 O3催化剂具有很好的起燃能力及空速特性。
A kinds of three way catalyst, Pd/CeZrO 2/γ Al 2O 3, was prepared in the paper. Effects of Space Velocity on T 30% ,T 50% and T 90% of the catalyst were tested and analyzed in detail, respectively. It is concluded that Pd/CeZrO 4 /γ Al 2O 3 has a high light off ability and good space velocity properties.
出处
《环境科学与技术》
CAS
CSCD
2002年第5期8-9,共2页
Environmental Science & Technology
关键词
三效催化剂
空速
起燃特性
汽车
尾机
净化
Pd/CeZrO 2/γ Al 2O 3
three way catalysts
space velocity
cold start and light off
