Significantly Enhanced Catalytic Performance of Fe2(SO4)3/CeO2 Catalyst for the Selective Catalytic Reduction of NOx by NH3
Significantly Enhanced Catalytic Performance of Fe2(SO4)3/CeO2 Catalyst for the Selective Catalytic Reduction of NOx by NH3
复制标题
Fe2(SO4)3/CeO2 催化剂对 NH3 选择性催化还原 NOx 的催化性能显着增强
DOI：
10.1021/acs.iecr.1c02977
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发表时间：
2021-11
影响因子：
4.2
通讯作者：
Zhiming Liu
中科院分区：
文献类型：
--
作者：
Zizheng Zhou;Weihua Li;Zhiming Liu
A series of Fe2(SO4)3/CeO2composite oxide catalysts were fabricated for the selective catalytic reduction of NOxby NH3(NH3–SCR). Compared with CeO2and Fe2(SO4)3catalysts, Fe2(SO4)3/CeO2exhibited much higher activity and enhanced N2selectivity. On the basis of the results of characterization, it can be seen that both the reducibility and the surface acidity of Fe2(SO4)3/CeO2have been enhanced remarkably, which is ascribed to the synergetic effect among Fe, Ce, and SO42–. In-situ DRIFTS research demonstrated that over Fe2(SO4)3/CeO2, the generation of inactive nitrate was suppressed. Meanwhile, the adsorption and activation of NH3was remarkably enhanced. Consequently, superior NH3–SCR catalytic performance was achieved over Fe2(SO4)3/CeO2catalyst.
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影响因子：
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影响因子：
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作者：
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