Effect of promoter M(M=Cr, Zn, Y, La) on CuO/CeO2 catalysts for hydrogen production from steam reforming of methanol

WANG Dong-zhe; FENG Xu; ZHANG Jian; CHEN Lin; ZHANG Lei; WANG Hong-hao; BAI Jin; ZHANG Cai-shun; ZHANG Zheng-yi

Volume 47 Issue 10

Oct. 2019

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Article Navigation > Journal of Fuel Chemistry and Technology > 2019 > 47(10): 1251-1257

WANG Dong-zhe, FENG Xu, ZHANG Jian, CHEN Lin, ZHANG Lei, WANG Hong-hao, BAI Jin, ZHANG Cai-shun, ZHANG Zheng-yi. Effect of promoter M(M=Cr, Zn, Y, La) on CuO/CeO2 catalysts for hydrogen production from steam reforming of methanol[J]. Journal of Fuel Chemistry and Technology, 2019, 47(10): 1251-1257.

Citation:

WANG Dong-zhe, FENG Xu, ZHANG Jian, CHEN Lin, ZHANG Lei, WANG Hong-hao, BAI Jin, ZHANG Cai-shun, ZHANG Zheng-yi. Effect of promoter M(M=Cr, Zn, Y, La) on CuO/CeO₂ catalysts for hydrogen production from steam reforming of methanol[J]. Journal of Fuel Chemistry and Technology, 2019, 47(10): 1251-1257.

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Effect of promoter M(M=Cr, Zn, Y, La) on CuO/CeO₂ catalysts for hydrogen production from steam reforming of methanol

1.
College of Chemistry, Chemical Engineering, and Environmental Engineering, Liaoning Shihua University, Fushun 113001, China
2.
Department of Chemistry and Materials Engineering, Yingkou Institute of Technology, Yingkou 115014, China
3.
Plastic Factory of Petro China Daqing Petrochemical Company, Daqing 163000, China

Funds:

the National Natural Science Foundation of China 21376237

Scientific Research Funds Project of Liaoning Education Department L20190338

Natural Science Fund in Liaoning Province 2019-MS-221

More Information

Corresponding author: ZHANG Lei, E-mail: lnpuzhanglei@163.com
Received Date: 2019-06-17
Rev Recd Date: 2019-09-03

Available Online: 2021-01-23

Publish Date: 2019-10-10

Abstract

Abstract

M/CuO/CeO₂ (M=Cr, Zn, Y, La) catalyst was prepared by sequential impregnation method. The catalysts were characterized by XRF, XRD, BET, H₂-TPR and XPS. The effects of different promoters on the structure and properties of CuO/CeO₂ catalysts were investigated.The results show that the doping of promoters mainly affects the dispersion of CuO, the reduction properties of the catalyst, the interaction between CuO and CeO₂, and the oxygen hole content on the surface of the catalyst. After doping additives Cr and Zn, improving the dispersion of CuO on catalysts, and the interaction between CuO and CeO₂ strengthens, the surface oxygen holes increase, which in turn increases the catalytic activity. After doping the additives Y and La, decreasing the dispersion of CuO on catalysts, the interaction between CuO and CeO₂ is weakened, and the surface oxygen holes are reduced, thus the catalytic activity is reduced. Among them, the catalyst doped with promoter Cr has better catalytic activity. When the reaction conditions are 260℃, n(CH₃OH):n(H₂O)=1:1.2 and the space velocity of methanol vapor gas is 1760 h^-1, the final conversion can reach 100%, the CO content in reforming tail gas is 0.15%. Compared with CuO/CeO₂ catalyst, the conversion rate is increased by 10%, and the CO content in reforming tail gas is reduced by 0.34%.
- auxiliaries,
- methanol steam reforming,
- hydrogen,
- carbon monoxide

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References(26)

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