Citation: Li-bao WANG, Hong-hao WANG, Lei ZHANG, Shao-jun QING, Dong-mei LIU, Zhi-xian GAO, Hai-juan ZHANG, Guo-qing GUAN. Effect of citric acid content on the hydrothermal synthesis of CuO/Ce_0.8Zr_0.2O₂ catalytic water gas shift hydrogen production performance[J]. Journal of Fuel Chemistry and Technology, ;2022, 50(3): 337-345. doi: 10.19906/j.cnki.JFCT.2021078 shu

Effect of citric acid content on the hydrothermal synthesis of CuO/Ce_0.8Zr_0.2O₂ catalytic water gas shift hydrogen production performance

1.
School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
2.
Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
3.
Energy Conversion Engineering Research Office of Regional Innovation, Hirosaki University, Matsubara 030-0813, Japan

Corresponding author: Lei ZHANG, lnpuzhanglei@163.com Zhi-xian GAO, gaozx@sxicc.ac.cn
Received Date: 6 July 2021
Revised Date: 10 August 2021

Figures(13)

Ce_0.8Zr_0.2O₂ solid solutions were synthesized by hydrothermal method, and active components were loaded by impregnation method to get CuO/Ce_0.8Zr_0.2O₂ catalysts. Effects of citric acid content on the structure, properties and hydrogen production performance of CuO/Ce_0.8Zr_0.2O₂ catalysts were investigated. CuO/Ce_0.8Zr_0.2O₂ catalysts prepared with different citric acid content are distinct in Cu surface area, reduction performance and interaction between Ce_0.8Zr_0.2O₂ solid solution and CuO. Among them, the catalyst prepared with a citric acid concentration of 0.04 mol/L has a large Cu surface area, a low CuO reduction temperature and a strong interaction between Ce_0.8Zr_0.2O₂ solid solution and CuO, which has the best catalytic activity and the highest CO conversion in the water gas shift conversion process. At 320 ℃, water/gas molar ratio n(H₂O)/n(CO) = 2, total volume velocity GHSV = 6600 h⁻¹, its CO conversion is 96.9% close to thermodynamic equilibrium value.
- hydrothermal method,
- citric acid,
- water gas shift,
- solid solution
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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

Effect of citric acid content on the hydrothermal synthesis of CuO/Ce0.8Zr0.2O2 catalytic water gas shift hydrogen production performance

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通讯作者: 陈斌, bchen63@163.com

Effect of citric acid content on the hydrothermal synthesis of CuO/Ce_0.8Zr_0.2O₂ catalytic water gas shift hydrogen production performance