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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), pp. 2695-2702. (doi:10.1016/S0009-2509(00)00514-5).

Record type: Article

Abstract

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.

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Published date: April 2001
Keywords: Rotating cylinder electrode, Electrolysis, Mass transfer, Effectiveness factor
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 54478
URI: http://eprints.soton.ac.uk/id/eprint/54478
ISSN: 0009-2509
PURE UUID: ab181b0c-0d8d-4491-a6e4-d37ae43d8987

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Date deposited: 24 Jul 2008
Last modified: 17 Jul 2017 14:35

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Contributors

Author: Jose Luis. M. Nava
Author: Eliceo. E. Sosa
Author: Mercedes.T. Oropeza

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