Citation: Yan Yue, Li Huaxi, Lu Zhanghui, Wang Xuewen, Zhang Rongbin, Feng Gang. Effects of reduction temperature and content of Pd loading on the performance Pd/CeO₂ catalyst for CO oxidation[J]. Chinese Chemical Letters, ;2019, 30(6): 1153-1156. doi: 10.1016/j.cclet.2019.03.030 shu

Effects of reduction temperature and content of Pd loading on the performance Pd/CeO₂ catalyst for CO oxidation

Yan Yue ^a ,
Li Huaxi ^a ,
Lu Zhanghui ^b ,
Wang Xuewen ^a ,
Zhang Rongbin ^a,*, ,
Feng Gang ^a,*,

a.
Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang 330031, China
b.
College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China

rbzhang@ncu.edu.cn

fenggang@ncu.edu.cn

Received Date: 6 March 2019
Revised Date: 20 March 2019
Accepted Date: 27 March 2019
Available Online: 22 June 2019

Figures(4)

The content of noble metal loading and the reduction process of the catalysts are important factors influence the economic indicator and catalytic performance for industrial catalysis. In the present work, Pd/CeO₂NT (Pd supported on the CeO₂ nanotubes) catalysts are prepared with the hydrothermal synthesized CeO₂NTand glutathione (GSH) reduced Pd nanoparticles via impregnation. The content of Pd loading as well as the catalysts reduction temperature are optimized to the CO oxidation reduction. Our results show that the best Pd loading is 1.5%Pd/CeO₂NT. The catalysts reduced at 350℃ for 2 h prior to catalytic reaction perform the best toward CO oxidation, which reaches completely CO conversion at 70℃. The XRD, Raman, H₂-TPR, TEM, BET and XPS characterization reveal that the excellent catalytic performance of 350℃ 1.5%Pd/CeO₂NT sample can be attributed the high Pd⁰ species and oxygen vacancy in the sample, which are important factors influence the activity of the catalysts.
- CO oxidation,
- Palladium catalyst,
- Ceria nanotubes,
- Reduction temperature,
- Palladium content
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Effects of reduction temperature and content of Pd loading on the performance Pd/CeO2 catalyst for CO oxidation

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通讯作者: 陈斌, bchen63@163.com

Effects of reduction temperature and content of Pd loading on the performance Pd/CeO₂ catalyst for CO oxidation