A novel Cr/WO3-ZrO2 catalyst for the selective catalytic reduction of NOx with NH3
A novel Cr/WO3-ZrO2 catalyst for the selective catalytic reduction of NOx with NH3
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一种新型 Cr/WO3-ZrO2 催化剂,用于 NH3 选择性催化还原 NOx
DOI:
10.1016/j.catcom.2019.03.028
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发表时间:
2019-05
影响因子:
3.7
通讯作者:
Liu Zhiming
中科院分区:
文献类型:
--
作者:
Ma Lingling;Su Hang;Wang Zhihua;Zhang Cuihua;Liu Zhiming
A novel Cr/WO3-ZrO2catalyst prepared by impregnating WO3-ZrO2(WZr) with Cr has been developed for the selective catalytic reduction of NOxwith NH3. The introduction of Cr significantly enhanced the activity of WZr catalyst for the NOxreduction and an optimal loading of Cr is 2 wt%. The redox cycle (Cr3++ 3W6+↔ Cr6++ 3W5+) and the remarkably enhanced surface acidity can account for the high activity of Cr/WZr catalyst for the reduction of NOx. The present study demonstrated that the combination of Cr with WO3-ZrO2solid acid catalyst is promising for the control of NOxgas emissions.
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影响因子:
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通讯作者:
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