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Reactor modelling for electrochemical processes.

K Scott1

  • 1Department of Chemical and Process Engineering, University of Newcastle upon Tyne, UK.

Journal of Chemical Technology and Biotechnology (Oxford, Oxfordshire : 1986)
|January 1, 1992
PubMed
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This study introduces a straightforward model for electrochemical reactors, applicable to batch and continuous operations. The model highlights the importance of mass transport for effective metal recovery, demonstrated using cadmium recovery from an acidic solution.

Area of Science:

  • Electrochemistry
  • Chemical Engineering
  • Environmental Science

Background:

  • Electrochemical reactors are crucial for various chemical processes, including metal recovery.
  • Accurate modeling is essential for optimizing reactor performance and efficiency.
  • Previous models may not fully capture the complexities of electrochemical kinetics and mass transport.

Purpose of the Study:

  • To present a straightforward modeling approach for electrochemical reactors in batch and continuous modes.
  • To analyze the general characteristics of these reactor models, emphasizing mass transport.
  • To demonstrate the model's utility in a practical metal recovery application.

Main Methods:

  • Developed models based on ideal flow assumptions (well-mixed or plug flow).

Related Experiment Videos

  • Incorporated reaction rate models derived from electrochemical kinetics and electrode mass transport.
  • Utilized experimental data to define the reaction rate model for a specific application.

    • Main Results:

    • The straightforward modeling approach effectively simulates electrochemical reactors.
    • The models underscore the critical role of efficient mass transport in metal recovery.
    • Successful application demonstrated for recovering cadmium ions (Cd2+) from an acidified solution containing Cd(II) and Fe(III).

    Conclusions:

    • The proposed modeling approach provides a valuable tool for designing and optimizing electrochemical reactors.
    • Effective mass transport is a key factor for successful electrochemical metal recovery.
    • The model is validated by its successful application in a real-world heavy metal recovery scenario.