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The role of CuO modified La0.7Sr0.3FeO3 perovskite on intermediate-temperature partial oxidation of methane via chemical looping scheme
Zhang, Rongjiang1,2,3,4; Cao, Yan1,2,3; Li, Haibin1,2,3; Zhao, Zengli1,2,3; Zhao, Kun1,2,3; Jiang, Liqun1,2,3
2020-02-07
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
卷号45期号:7页码:4073-4083
通讯作者Zhao, Kun(zhaokun@ms.giec.ac.cn) ; Jiang, Liqun(lqjiang@ms.giec.ac.cn)
摘要Synthesis gas production via chemical-looping partial oxidation (CLPO) of methane reduces operating cost and likely avoids carbon dioxide emissions. Previous studies exhibit La0.7-Sr0.3FeO3 (LSF) a good high-temperature oxygen carrier, but not being applicable in intermediate-temperature CLPO processes. This work proposes a CuO modified LSF (xCuO/LSF, x = 2,5,10,15) for enhancing the reactivity of oxygen carriers at relatively low temperatures. Characterization methods, including N-2 physisorption, ICP-OES, H-2-TPR, XRD and XPS, are implemented to determine properties of xCuO/LSF. Fixed-bed experiments determine the best candidate under 750 degrees C is 10CuO/LSF. The methane conversion rate of 10CuO/LSF is more than 3 times compared to that of unmodified LSF and the concentration of syngas increases by 375% with the H-2/CO molar ratio of about 2.5. The regenerability of 10CuO/LSF proves to be good. This study provides a promising and simple way to lower the operating temperature of the CLPO process, likely leading a considerable energy saving. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词Chemical-looping partial oxidation (CLPO) Methane Syngas Perovskite Copper oxide Oxygen carrier
DOI10.1016/j.ijhydene.2019.12.082
关键词[WOS]SYNTHESIS GAS GENERATION ; OXYGEN CARRIERS ; HYDROGEN-PRODUCTION ; OXIDES ; REDOX ; FE ; REACTIVITY ; CONVERSION ; CHALLENGE ; SYNGAS
收录类别SCI
语种英语
资助项目National Key Research and Development Program of China[2017YFE0105500] ; National Natural Science Foundation of China[51876205] ; Pearl River S&T Nova Program of Guangzhou[201906010092]
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels
项目资助者National Key Research and Development Program of China ; National Natural Science Foundation of China ; Pearl River S&T Nova Program of Guangzhou
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000514018600021
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/26619
专题中国科学院广州能源研究所
通讯作者Zhao, Kun; Jiang, Liqun
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Beijing, Peoples R China
2.CAS Key Lab Renewable Energy, Beijing, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院广州能源研究所
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Zhang, Rongjiang,Cao, Yan,Li, Haibin,et al. The role of CuO modified La0.7Sr0.3FeO3 perovskite on intermediate-temperature partial oxidation of methane via chemical looping scheme[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2020,45(7):4073-4083.
APA Zhang, Rongjiang,Cao, Yan,Li, Haibin,Zhao, Zengli,Zhao, Kun,&Jiang, Liqun.(2020).The role of CuO modified La0.7Sr0.3FeO3 perovskite on intermediate-temperature partial oxidation of methane via chemical looping scheme.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,45(7),4073-4083.
MLA Zhang, Rongjiang,et al."The role of CuO modified La0.7Sr0.3FeO3 perovskite on intermediate-temperature partial oxidation of methane via chemical looping scheme".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 45.7(2020):4073-4083.
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