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Kinetic study and reactor modelling on solid–liquid synthesis of cobalt acetate: From batch to continuous fixed‐bed reactor.

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Title: Kinetic study and reactor modelling on solid–liquid synthesis of cobalt acetate: From batch to continuous fixed‐bed reactor.
Authors: Liu, Rong‐Sheng1 (AUTHOR), Pan, De‐Tao1 (AUTHOR) pandetao@sjtu.edu.cn, Wei, Hui‐Long1 (AUTHOR) weihl@nxu.edu.cn, Luo, Zheng‐Hong1,2 (AUTHOR) luozh@sjtu.edu.cn
Source: Canadian Journal of Chemical Engineering. Sep2026, Vol. 104 Issue 9, p5001-5011. 11p.
Subjects: Fixed bed reactors, Continuous processing, Batch reactors, Chemical synthesis, Chemical kinetics, Acetates
Abstract: To overcome the inherent limitations of the traditional batch process for solid–liquid cobalt acetate production, this study accomplishes the transition to a continuous process through integrated kinetic studies and reactor modelling of both batch and fixed‐bed reactor (FBR) systems. The kinetic study demonstrated that the global rate was controlled by internal diffusion in the batch reactor but was co‐controlled by external diffusion and chemical reactions in the continuous FBR, with apparent activation energies of 24.9 and 23.0 kJ/mol, respectively. Through reactor modelling, the effect of tube length, tube diameter, flow rate, and reaction temperature on the conversion of cobalt was investigated, and the process parameters were optimized. This study not only addresses the research gap in the reaction kinetics of cobalt acetate solid–liquid synthesis but also, by elucidating for the first time the distinct reaction control mechanisms and efficiency differences across different processes for this system and establishing a kinetics‐reactor coupled design framework, provides a novel methodology for the continuous development of similar solid–liquid systems. [ABSTRACT FROM AUTHOR]
Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 196036021
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Kinetic study and reactor modelling on solid–liquid synthesis of cobalt acetate: From batch to continuous fixed‐bed reactor.
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  Data: <searchLink fieldCode="JN" term="%22Canadian+Journal+of+Chemical+Engineering%22">Canadian Journal of Chemical Engineering</searchLink>. Sep2026, Vol. 104 Issue 9, p5001-5011. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Fixed+bed+reactors%22">Fixed bed reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+processing%22">Continuous processing</searchLink><br /><searchLink fieldCode="DE" term="%22Batch+reactors%22">Batch reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+synthesis%22">Chemical synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Acetates%22">Acetates</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To overcome the inherent limitations of the traditional batch process for solid–liquid cobalt acetate production, this study accomplishes the transition to a continuous process through integrated kinetic studies and reactor modelling of both batch and fixed‐bed reactor (FBR) systems. The kinetic study demonstrated that the global rate was controlled by internal diffusion in the batch reactor but was co‐controlled by external diffusion and chemical reactions in the continuous FBR, with apparent activation energies of 24.9 and 23.0 kJ/mol, respectively. Through reactor modelling, the effect of tube length, tube diameter, flow rate, and reaction temperature on the conversion of cobalt was investigated, and the process parameters were optimized. This study not only addresses the research gap in the reaction kinetics of cobalt acetate solid–liquid synthesis but also, by elucidating for the first time the distinct reaction control mechanisms and efficiency differences across different processes for this system and establishing a kinetics‐reactor coupled design framework, provides a novel methodology for the continuous development of similar solid–liquid systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/cjce.70359
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 5001
    Subjects:
      – SubjectFull: Fixed bed reactors
        Type: general
      – SubjectFull: Continuous processing
        Type: general
      – SubjectFull: Batch reactors
        Type: general
      – SubjectFull: Chemical synthesis
        Type: general
      – SubjectFull: Chemical kinetics
        Type: general
      – SubjectFull: Acetates
        Type: general
    Titles:
      – TitleFull: Kinetic study and reactor modelling on solid–liquid synthesis of cobalt acetate: From batch to continuous fixed‐bed reactor.
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          Name:
            NameFull: Liu, Rong‐Sheng
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            NameFull: Pan, De‐Tao
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            NameFull: Wei, Hui‐Long
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            NameFull: Luo, Zheng‐Hong
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          Dates:
            – D: 01
              M: 09
              Text: Sep2026
              Type: published
              Y: 2026
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              Value: 104
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              Value: 9
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            – TitleFull: Canadian Journal of Chemical Engineering
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