Effectiveness factors in an electrochemical reactor with rotating cylinder electrode for the acid-cupric/copper cathode interface process
Nava, Jose Luis. M., Sosa, Eliceo. E., Ponce de Leon, Carlos and Oropeza, Mercedes.T. (2001) Effectiveness factors in an electrochemical reactor with rotating cylinder electrode for the acid-cupric/copper cathode interface process. Chemical Engineering Science, 56, (8), 2695-2702. (doi:10.1016/S0009-2509(00)00514-5).
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An expression for the global electrochemical deposition rate of copper in a rotating cylinder electrode (RCE) was developed through the effectiveness factor. The effectiveness factor of an electrochemical interface process, calculated using the Damköhler number, leads to identify the competition between intrinsic reaction (charge transfer) and bulk mass transport. The charge transfer constant was evaluated by electrochemical impedance spectroscopy and the specific mass transfer coefficients were determined by electrolysis at controlled potential. Catalytic effectiveness factors were found between 0.08 and 0.22 establishing that the mass transport of Cu (II) ion controls the global electrochemical process at an imposed electrolysis potential of −0.9 V vs. SSE in turbulent flow.
|Keywords:||Rotating cylinder electrode; Electrolysis; Mass transfer; Effectiveness factor|
|Subjects:||T Technology > TP Chemical technology
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Date Deposited:||24 Jul 2008|
|Last Modified:||02 Mar 2012 11:49|
|Contributors:||Nava, Jose Luis. M. (Author)
Sosa, Eliceo. E. (Author)
Ponce de Leon, Carlos (Author)
Oropeza, Mercedes.T. (Author)
|Contact Email Address:||email@example.com|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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