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石川

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Gender:Female
Alma Mater:大连理工大学
Degree:Doctoral Degree
School/Department:化学学院
Discipline:Physical Chemistry (including Chemical Physics). Chemical Engineering
Business Address:知化楼C201
E-Mail:chuanshi@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

Pd/Mn/Ba/Al催化剂的NOx存储-还原性能研究

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Indexed by:期刊论文

Date of Publication:2011-06-15

Journal:分子催化

Included Journals:PKU、ISTIC、CSCD

Volume:25

Issue:3

Page Number:226-232

ISSN No.:1001-3555

Key Words:NOx;Pd/Mn/Ba/Al;NOx存储;还原

Abstract:采用分步等体积浸渍法制备了Pd/Mn/Ba/Al系列催化剂,并用DRIFTS、TPD、TPSR等方法进行了表征,考察了催化剂在不同温度点NOx的存储量以及存储-还原循环中NOx的脱除率.结果表明,NO更容易在MNOx上形成亚硝酸盐,Mn的加入显著提高了Pd/Ba/Al的低温存储活性,与Pd/Ba/Al相比,Pd/Mn/Ba/Al在30℃、100℃、200℃、300℃的存储量分别提高了87%、59%、32%、91%,循环实验表明,在200℃和300℃时,NOx的脱除率分别提高了5%和37%,而在400℃的NOx脱除率稍有降低.