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Novel hierarchical Ni/MgO catalyst for highly efficient CO methanation in a fluidized bed reactor
Li, Jun1; Zhu, Qingshan1; Peng, Wencai2; Zhang, Qiang2; Luo, Guohua2; Wei, Fei2
2017-06-01
发表期刊AICHE JOURNAL
ISSN0001-1541
卷号63期号:6页码:2141-2152
摘要A facile synthesis of the hierarchical Ni/MgO catalyst is reported, with extremely fine dispersion of Ni nanoparticles (NPs) and high surface oxygen mobility. The hierarchical Ni/MgO catalyst exhibits higher activity for CH4 formation than that prepared by the impregnation method. The enhanced activity and thermal stability of the hierarchical Ni/MgO catalyst is attributed to hierarchical MgO particles with a multilayer structure and high surface oxygen mobility. This induces better metal-support interactions, high Ni dispersion to prevent Ni NPs sintering, and the high surface oxygen mobility provides a high resistance to carbon deposition. Compared to the impregnated Ni/MgO catalyst, the hierarchical Ni/MgO catalyst exhibits a better fluidization quality and a higher attrition-resistance in a fluidized-bed reactor. This approach to improve the catalytic activity by creation of hierarchical Ni/MgO particles is encouraging for the design of novel catalysts for synthetic natural gas production, especially from the perspective of matching catalysts with fluidized-bed reactors. (c) 2017 American Institute of Chemical Engineers AIChE J, 63: 2141-2152, 2017
关键词Hierarchical Particles Ni Mgo Co Methanation Fluidized-bed
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1002/aic.15597
收录类别SCI
语种英语
关键词[WOS]SYNTHETIC NATURAL-GAS ; SUPPORTED NICKEL-CATALYSTS ; NI-BASED CATALYSTS ; STRUCTURE SENSITIVITY ; CARBON-DIOXIDE ; NANOPARTICLES ; DEACTIVATION ; PERFORMANCE ; REDUCTION ; SYSTEM
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(91334108 ; China National Fund for Distinguished Young Scientists(21325628) ; National Instrumentation Grant Program(2011YQ12003908) ; U1462128)
WOS记录号WOS:000400658400029
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22816
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Tsinghua Univ, Beijing Key Lab Green Chem React Engn & Technol, Dept Chem Engn, Beijing 100084, Peoples R China
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Li, Jun,Zhu, Qingshan,Peng, Wencai,et al. Novel hierarchical Ni/MgO catalyst for highly efficient CO methanation in a fluidized bed reactor[J]. AICHE JOURNAL,2017,63(6):2141-2152.
APA Li, Jun,Zhu, Qingshan,Peng, Wencai,Zhang, Qiang,Luo, Guohua,&Wei, Fei.(2017).Novel hierarchical Ni/MgO catalyst for highly efficient CO methanation in a fluidized bed reactor.AICHE JOURNAL,63(6),2141-2152.
MLA Li, Jun,et al."Novel hierarchical Ni/MgO catalyst for highly efficient CO methanation in a fluidized bed reactor".AICHE JOURNAL 63.6(2017):2141-2152.
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