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学科主题: 物理化学
题名: CO2 methanation on Ni/Ce0.5Zr0.5O2 catalysts for the production of synthetic natural gas
作者: Pan, Qiushi1, 2;  Peng, Jiaxi1;  Sun, Tianjun1;  Gao, Diannan1;  Wang, Sheng1;  Wang, Shudong1
通讯作者: 王树东
关键词: Methanation ;  Ce0.5Zr0.5O2 ;  Carbon dioxide ;  Synthetic natural gas ;  Oxygen vacancy ;  Surface Ce(III)
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2014-07-01
DOI: 10.1016/j.fuproc.2014.01.004
卷: 123, 期:1, 页:166-171
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: A series of nickel catalysts supported on Ce0.5Zr0.5O2 were prepared by impregnation (IMP), deposition-precipitation (DP) and urea combustion (UC) methods. Their performances of CO2 methanation were investigated for the production of synthetic natural gas from coal. The catalysts were characterized by BET, H-2-chemisorption, XRD, Raman, XPS, CO2-TPD and H-2-TPR techniques. The results indicated that Ni/Ce0.5Zr0.5O2 catalysts prepared by impregnation method showed the highest activity. It can attain 73% CO2 conversion at 300 degrees C with a reaction rate of 20.5 mmol CO2/(gcat min) and have a CH4 selectivity of 100%. The higher activity of IMP sample is due to its higher nickel surface area, oxygen vacancies, Ce(III) and basic sites than others. (C) 2014 Published by Elsevier B.V.
关键词[WOS]: CEO2-ZRO2 MIXED OXIDES ;  SOLID-SOLUTIONS ;  CARBON-DIOXIDE ;  SHIFT REACTION ;  PARTICLE-SIZE ;  RAMAN-SPECTROSCOPY ;  REDOX BEHAVIOR ;  CERIA ;  ZIRCONIA ;  OXIDATION
语种: 英语
WOS记录号: WOS:000336469100020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143955
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Pan, Qiushi,Peng, Jiaxi,Sun, Tianjun,et al. CO2 methanation on Ni/Ce0.5Zr0.5O2 catalysts for the production of synthetic natural gas[J]. FUEL PROCESSING TECHNOLOGY,2014,123(1):166-171.
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