Citation: LI Peng, LI Zhi-Fang, GENG Cui, KANG Yan, ZHANG Chao, YANG Chang-Long. Mo-Doped Ce/GE Catalyst for Selective Catalytic Reduction of NO_x by NH₃[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(12): 2205-2210. doi: 10.11862/CJIC.2018.269 shu

Mo-Doped Ce/GE Catalyst for Selective Catalytic Reduction of NO_x by NH₃

LI Peng ¹ ,
LI Zhi-Fang ^2,3 ,
GENG Cui ¹ ,
KANG Yan ¹ ,
ZHANG Chao ¹ ,
YANG Chang-Long ^1,2,3,,

1.
College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
2.
College of Materials Science and Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
3.
Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, Heilongjiang 161006, China

Corresponding author: YANG Chang-Long, changlongy@163.com
Received Date: 20 June 2018
Revised Date: 22 September 2018

Figures(10)

Mo-doped Ce/GE catalysts with different loading amounts were prepared by impregnation method, which were examined as catalysts in the selective catalytic reduction of NO_x by NH₃(NH₃-SCR). Furthermore, the intrinsic mechanism of Mo-doped Ce/GE catalysts for enhancing SCR activity was preliminarily investigated. It was found that the addition of Mo can increase the ratio of n_Ce³⁺/(n_Ce³⁺+n_Ce⁴⁺), the oxygen content on the surface and the acid sites of the catalyst, thus enhancing SCR activity. Compared with 5Ce/GE and 5Mo/GE, 5Ce-5Mo/GE catalyst showed more outstanding catalytic activity. In addition, the catalyst exhibited the best activity and almost 99% conversion of NO_x at 250℃, when the loading amount is 5%. 5Ce-5Mo/GE catalyst exhibited good sulfur resistance performance.
- nitrogen oxide,
- selective catalytic reduction,
- graphene,
- Ce,
- Mo
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Mo-Doped Ce/GE Catalyst for Selective Catalytic Reduction of NOx by NH3

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通讯作者: 陈斌, bchen63@163.com

Mo-Doped Ce/GE Catalyst for Selective Catalytic Reduction of NO_x by NH₃