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Comprehensive kinetic model for acetylene pretreated mesoporous silica supported bimetallic Co-Ni catalyst during Fischer-Trospch synthesis
Sun, Yong1,2; Wang, Yixiao1; He, Jun1; Yusuf, Abubakar1; Wang, Yunshan3; Yang, Gang3; Xiao, Xin3
2021-12-31
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume246Pages:16
AbstractA new model by incorporating the porosity field during acetylene pretreatment (PT) into the Fischer-Trospch (FT) synthesis comprehensive kinetic is proposed for quantitatively describing the product distributions using a mesoporous silica supported Co-Ni bimetallic catalyst. Coupling the quasi-homogeneous medium model with the acetylene reaction kinetics via the Langmuir-Hinshelwood-Hou gen-Watson (LHHW) approach, the model yields good predictions for breakthrough curves, pressure drops, and permeability during PT process. The active carbidic intermediates formed by the acetylene PT engaged with the subsequent CO dissociation and 1-olefin re-adsorption associated secondary reac-tions during FT synthesis. The constructed comprehensive kinetic model can predict the olefin to paraffin ratios (OPR) versus chain length when the catalyst was pretreated. A relatively good prediction from chain length dependent model (CLD) indicates the validity of assuming that Van Waals forces play a crit-ical role during olefin re-adsorption in the secondary reactions for chain propagations once the meso-porous supported Co-Ni bimetallic catalyst was pretreated by acetylene. The proposed model successfully bridges the gaps between the PT and FT process at the investigated experimental conditions. (c) 2021 Elsevier Ltd. All rights reserved.
KeywordAcetylene pretreatment Bimetallic Co-Ni catalyst Comprehensive kinetic Fischer-Trospch synthesis
DOI10.1016/j.ces.2021.116828
Language英语
WOS KeywordIRON-BASED CATALYST ; TROPSCH SYNTHESIS ; PRODUCT DISTRIBUTIONS ; MICROCHANNEL REACTOR ; MINERAL REACTIONS ; SLURRY REACTOR ; BED REACTOR ; MECHANISM ; DEPOSITION ; BIOMASS
Funding ProjectQianjiang Talent Scheme[QJD1803014] ; Faculty Inspiration Grant of University of Nottingham[FIG2019] ; Ningbo Municipal Commonweal Key Program[2019C10033] ; Ningbo Municipal Commonweal Key Program[2019C10104] ; UNNC FoSE New Researchers Grant[NRG I01210100011]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationQianjiang Talent Scheme ; Faculty Inspiration Grant of University of Nottingham ; Ningbo Municipal Commonweal Key Program ; UNNC FoSE New Researchers Grant
WOS IDWOS:000704281400006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50356
Collection中国科学院过程工程研究所
Corresponding AuthorSun, Yong; Xiao, Xin
Affiliation1.Univ Nottingham, Key Lab Carbonaceous Wastes Proc & Proc Intensifi, Ningbo 315100, Peoples R China
2.Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Sun, Yong,Wang, Yixiao,He, Jun,et al. Comprehensive kinetic model for acetylene pretreated mesoporous silica supported bimetallic Co-Ni catalyst during Fischer-Trospch synthesis[J]. CHEMICAL ENGINEERING SCIENCE,2021,246:16.
APA Sun, Yong.,Wang, Yixiao.,He, Jun.,Yusuf, Abubakar.,Wang, Yunshan.,...&Xiao, Xin.(2021).Comprehensive kinetic model for acetylene pretreated mesoporous silica supported bimetallic Co-Ni catalyst during Fischer-Trospch synthesis.CHEMICAL ENGINEERING SCIENCE,246,16.
MLA Sun, Yong,et al."Comprehensive kinetic model for acetylene pretreated mesoporous silica supported bimetallic Co-Ni catalyst during Fischer-Trospch synthesis".CHEMICAL ENGINEERING SCIENCE 246(2021):16.
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