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题名Superior performance in passive NOx adsorption over an Al-rich Beta zeolite supported palladium
作者
发表日期2023-12-15
发表期刊Applied Catalysis B: Environmental
ISSN0926-3373
卷号339
摘要

Passive NO adsorption (PNA) has been regarded as a new technology for NO elimination at low temperatures in heavy diesel vehicles (HDV) during the cold-start period. For this process, it has been reported that zeolite-supported Pd samples are good adsorbents for the PNA, where the large pores and low Si/Al ratios (SAR) in the zeolites are favorable for the PNA. Therefore, we chose Al-rich Beta with both abundant Al species and large 12-membered ring pores as a support to load Pd species for preparation of the PNA adsorbents. As a result, 1 % Pd/Beta-4 showed much higher NO adsorption capacity than 1 % Pd/Beta-13, which is assigned to more Al pairs in the Beta-4 than those in the Beta-13. Even after hydrothermal treatment at 750 °C for 16 h, the 1 % Pd/Beta-4 still exhibited high passive NO capacity. These features should be helpful for the control of NO emissions in the future.

关键词Al pairs Al-rich Beta zeolite Palladium Passive NOx adsorbers (PNA)
DOI10.1016/j.apcatb.2023.123127
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收录类别SCIE
语种英语English
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry ; Physical ; Engineering ; Environmental ; Engineering, Chemical
WOS记录号WOS:001118666700001
Scopus入藏号2-s2.0-85166296832
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型评论文章
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/11074
专题北师香港浸会大学
通讯作者Meng, Xiangju
作者单位
1.Key Lab of Applied Chemistry of Zhejiang Province,Department of Chemistry,Zhejiang University,Hangzhou,310058,China
2.Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing,Shuangqing Road 18,100085,China
3.State Key Laboratory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan,030001,China
4.Key Lab of Biomass Chemical Engineering of Ministry of Education,College of Chemical and Biological Engineering,Zhejiang University,Hangzhou,310058,China
5.Beijing Normal University-Hong Kong Baptist University United International College,Zhuhai,519000,China
推荐引用方式
GB/T 7714
Li, Jian,Fan, Kai,Shan, Yulonget al. Superior performance in passive NOx adsorption over an Al-rich Beta zeolite supported palladium. 2023.
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