Selective catalytic reduction of NOx by H2 over a novel Pd/FeTi catalyst
Selective catalytic reduction of NOx by H2 over a novel Pd/FeTi catalyst
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新型 Pd/FeTi 催化剂上 H2 选择性催化还原 NOx
DOI：
10.1016/j.cattod.2020.05.042
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发表时间：
2021
期刊：
影响因子：
5.3
通讯作者：
Zhiming Liu
中科院分区：
文献类型：
--
作者：
Yiyang Zhang;Hui Zeng;Bin Jia;Zhiming Liu
Selective catalytic reduction (SCR) of NOxby H2over Pd/Ti, Pd/Fe and Pd/FeTi catalysts was systematically investigated. Compared with Pd/Ti and Pd/Fe catalysts, Pd/FeTi catalyst exhibited higher H2-SCR activity and the optimal ratio of Fe/Ti is 1. Over Pd/FeTi catalysts FeTi solid solution is formed, and Pd is highly dispersed on the support. XPS analysis showed that there is strong interaction among Pd, Fe and Ti species. In-situ DRIFTS results revealed that more and new adsorbed NOxspecies, which are reactive to reacting with H2, formed over Pd/FeTi. All these factors account for the improved H2-SCR activity of Pd/FeTi catalyst.
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