状态 | 已发表Published |
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 |
ISSN | 0926-3373 |
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) |
DOI | 10.1016/j.apcatb.2023.123127 |
相关网址 | 查看来源 |
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 | |
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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