Investigation of the effect of Ce on the K resistance of V-Mo/Ti de-NO<sub><i>x</i></sub> catalyst

Huang Li; Yue Yanwei; Zong Yuhao; Wang Hu; Li Jinke; Gao Yibo; Han Pei

doi:10.7513/j.issn.1004-7638.2022.05.008

Volume 43 Issue 5

Nov. 2022

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Huang Li, Yue Yanwei, Zong Yuhao, Wang Hu, Li Jinke, Gao Yibo, Han Pei. Investigation of the effect of Ce on the K resistance of V-Mo/Ti de-NOx catalyst[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 52-58. doi: 10.7513/j.issn.1004-7638.2022.05.008

Citation:

Huang Li, Yue Yanwei, Zong Yuhao, Wang Hu, Li Jinke, Gao Yibo, Han Pei. Investigation of the effect of Ce on the K resistance of V-Mo/Ti de-NO_x catalyst[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 52-58. doi: 10.7513/j.issn.1004-7638.2022.05.008

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Investigation of the effect of Ce on the K resistance of V-Mo/Ti de-NO_x catalyst

doi: 10.7513/j.issn.1004-7638.2022.05.008

Huang Li^1
,,
Yue Yanwei¹,
Zong Yuhao¹,
Wang Hu¹,
Li Jinke¹,
Gao Yibo¹,
Han Pei^{2
,
,}

1.
Datang Nanjing Environmental Protection Technology Co., Ltd., Nanjing 211111, Jiangsu, China
2.
Instrumental Analysis Center, Inner Mongolia University of Science & Technology, Baotou 014010, Inner Mongolia, China

Received Date: 2022-04-14
Available Online: 2022-11-05
Publish Date: 2022-10-28

Abstract

Abstract

Industrial V-Mo/Ti catalyst for denitrification was modified by Ce in order to enhance its resistance to K. XRD, SEM, N₂-adsorption/desorption, H₂-TPR, XPS, NH₃-TPD, and NH₃-DRIFTS analyses were used to characterize the physiochemical properties of the different catalysts. Subsequently, the influence of Ce on the catalytic performance and K resistance of V-Mo/Ti catalyst was studied by a fix-bed micro-reactor. The results show that the presence of Ce can enhance the catalytic activity of V-Mo/Ti catalyst, and effectively reduce the negative impact of K on the BET surface area, reducibility, O_α/(O_α+O_β) ratio, and acidity of V-Mo/Ti catalyst. The catalytic activity of V-Mo-Ce-K/Ti catalyst is higher than that of the V-Mo-K/Ti catalyst. In other words, Ce enhances the K resistance of V-Mo/Ti catalyst.
- V-Mo/Ti de-NO_x catalyst,
- K resistance,
- modified by Ce,
- specific surface area

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References(25)

References

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