CAS OpenIR
Coupling relationship of fluidization behavior, reaction and particle structure of Ni/MgO catalyst toward fluidized CO methanation
Li, Jun1; Wang, Hui1; Zhu, Qingshan1,2; Lia, Hongzhong1
2019-02-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume357Pages:298-308
AbstractThe coupling relationship of fluidization behavior, reaction activity and particle structure of Ni/MgO catalyst toward fluidized CO methanation is systematically investigated. The poor fluidization quality or defluidization, to a large extent, is caused by the rapid decrease in gas volume induced by methanation reaction. This reaction derived defluidization or poor fluidization results in great changes in structure and chemical compositions of the Ni/MgO catalyst, and which in turn lead to a decrease of reaction activity. The better fluidization quality catalyst is beneficial for maintaining the catalyst structure and exhibits the higher resistance to the negative effect by rapid decrease of the gas volume. The fluidization quality of the stable fluidized catalyst can be improved by addition of N-2. However, the catalyst particles with poor fluidization quality are easy to be defluidized due to the rapidly decrease in gas volume even with addition of inert components.
KeywordMethanation Fluidized bed Defluidization Volume decrease Particle structure Coupling relationship
DOI10.1016/j.cej.2018.09.157
Language英语
WOS KeywordSYNTHETIC NATURAL-GAS ; BED METHANATION ; MICROCHANNEL REACTOR ; NI/AL2O3 CATALYST ; SNG ; REDUCTION ; QUALITY ; BIOMASS
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 (973 Program)[2015CB251402]
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; State Key Development Program for Basic Research of China (973 Program)
WOS IDWOS:000448181000031
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26413
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Jun; Zhu, Qingshan
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
Recommended Citation
GB/T 7714
Li, Jun,Wang, Hui,Zhu, Qingshan,et al. Coupling relationship of fluidization behavior, reaction and particle structure of Ni/MgO catalyst toward fluidized CO methanation[J]. CHEMICAL ENGINEERING JOURNAL,2019,357:298-308.
APA Li, Jun,Wang, Hui,Zhu, Qingshan,&Lia, Hongzhong.(2019).Coupling relationship of fluidization behavior, reaction and particle structure of Ni/MgO catalyst toward fluidized CO methanation.CHEMICAL ENGINEERING JOURNAL,357,298-308.
MLA Li, Jun,et al."Coupling relationship of fluidization behavior, reaction and particle structure of Ni/MgO catalyst toward fluidized CO methanation".CHEMICAL ENGINEERING JOURNAL 357(2019):298-308.
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