CAS OpenIR
Fabrication of Hierarchical Co/MgO Catalyst for Enhanced CO2 Reforming of CH4 in a Fluidized-Bed Reactor
Li, Jun1; Li, Jianwei1; Zhu, Qingshan1,2; Peng, Wencai3; Li, Hongzhong1
2019
Source PublicationAICHE JOURNAL
ISSN0001-1541
Volume65Issue:1Pages:120-131
AbstractThis work reports facile fabrication of fluidizable hierarchical Co-MgO particles with high dispersion of Co nanoparticles (NPs) and high surface oxygen vacancies for matching with the fluidized-bed reactor. The hierarchical Co-MgO catalyst exhibits higher activity and thermal stability for CH4-CO2 reforming than the conventional impregnation Co/MgO catalyst. The enhanced prevention of Co NPs sintering of the hierarchical Co-MgO catalyst is attributed to the multilayer structure and the exposed MgO (111) face, which creates high surface oxygen vacancies, induces high Co dispersion to restrain Co NPs sintering, and supplies high resistance to graphite carbon deposition. A formation mechanism for the hierarchical MgO structure is also proposed. This formation of incomplete rhombohedron MgO particles with an exposed octahedral MgO (111) face is attributed to the electrostatic interaction of OH-. The proposed approach to improving catalytic activity by creation of hierarchical MgO particles can be expanded to other metal oxide catalysts. (c) 2018 American Institute of Chemical Engineers AIChE J, 65: 120-131, 2019
Keywordhierarchical particles Co-MgO CO2 reforming fluidized-bed
DOI10.1002/aic.16393
Language英语
WOS KeywordCARBON-DIOXIDE ; SYNTHESIS GAS ; SYNGAS PRODUCTION ; AEROGEL CATALYST ; ACTIVE METAL ; METHANE ; PERFORMANCE ; TRANSITION ; NANOTUBES ; RU
Funding ProjectNational Natural Science Foundation of China[21736010] ; National Natural Science Foundation of China[U1462128] ; National Natural Science Foundation of China[91334108] ; State Key Development Program for Basic Research of China[2015CB251402]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; State Key Development Program for Basic Research of China
WOS IDWOS:000454632100012
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27711
Collection中国科学院过程工程研究所
Corresponding AuthorZhu, Qingshan; Peng, Wencai
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
3.Shihezi Univ, Sch Chem & Chem Engn, Shihezi 832000, Xinjiang, Peoples R China
Recommended Citation
GB/T 7714
Li, Jun,Li, Jianwei,Zhu, Qingshan,et al. Fabrication of Hierarchical Co/MgO Catalyst for Enhanced CO2 Reforming of CH4 in a Fluidized-Bed Reactor[J]. AICHE JOURNAL,2019,65(1):120-131.
APA Li, Jun,Li, Jianwei,Zhu, Qingshan,Peng, Wencai,&Li, Hongzhong.(2019).Fabrication of Hierarchical Co/MgO Catalyst for Enhanced CO2 Reforming of CH4 in a Fluidized-Bed Reactor.AICHE JOURNAL,65(1),120-131.
MLA Li, Jun,et al."Fabrication of Hierarchical Co/MgO Catalyst for Enhanced CO2 Reforming of CH4 in a Fluidized-Bed Reactor".AICHE JOURNAL 65.1(2019):120-131.
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