A solvent-free method to rapidly synthesize CuO-CeO2 catalysts to enhance their CO preferential oxidation: Effects of Cu loading and calcination temperature

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成果类型：

期刊论文

作者：

Wang, Jing;Zhong, Liping;Lu, Jichang;Chen, Ran;Lei, Yanqiu;...

通讯作者：

He, Sufang;Luo, Yongming

作者机构：

[He, Sufang; Luo, Yongming; Chen, Ran; Chen, Kezhen; Lu, Jichang; Han, Caiyun; Wan, Gengping; He, SF; Luo, YM; Wang, Jing; Zhong, Liping; Lei, Yanqiu] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China.

[Wang, Jing] Hengyang Normal Univ, Coll Life Sci & Environm, Hengyang 421008, Peoples R China.

[He, Sufang] Kunming Univ Sci & Technol, Res Ctr Anal & Measurement, Kunming 650093, Yunnan, Peoples R China.

[Wan, Gengping] Hainan Univ, Res Ctr Anal & Measurement, Haikou 570228, Hainan, Peoples R China.

通讯机构：

[He, SF; Luo, YM] K

Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China.

语种：

英文

关键词：

Calcination;Catalyst activity;Catalysts;Copper oxides;Energy conservation;Gelation;Nitrogen compounds;Sol-gel process;Sol-gels;Solvents;Urea;Calcination temperature;Catalytic performance;CO preferential oxidation;Cu loadings;CuO-CeO2;Optimal calcination;Solvent free;Surfactant template;Cerium compounds

期刊：

Molecular Catalysis

ISSN：

2468-8231

年：

2017

卷：

443

页码：

241-252

DOI：

10.1016/j.mcat.2017.10.012

基金类别：

Authors gratefully acknowledge the financial supports in this study from National Natural Science Foundation of China (Grant Nos. U1402233 , 21267011 and 21667016 ).

机构署名：

本校为其他机构

院系归属：

生命科学与环境学院

摘要：

A facile and solvent-free route has been developed to rapidly synthesize CuO-CeO2 catalysts within 30 min. The effect of calcination temperature on catalytic performances is more significant than Cu loading, and the optimal calcination temperature and Cu loading are 700 °C and 7.5 wt.%, respectively. The optimal catalyst 7.5CuCe-SF-700 exhibits the highest CO conversion and the corresponding temperature window for full CO conversion is as wide as 50 °C. According to the characterization results of XRD, N2 adsorption-desorption, H2-TPR, TEM, H...

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A solvent-free method to rapidly synthesize CuO-CeO2 catalysts to enhance their CO preferential oxidation: Effects of Cu loading and calcination temperature

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