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Effectiveness factors in an electrochemical reactor with rotating cylinder electrode for the acid-cupric/copper cathode interface process

Effectiveness factors in an electrochemical reactor with rotating cylinder electrode for the acid-cupric/copper cathode interface process
Effectiveness factors in an electrochemical reactor with rotating cylinder electrode for the acid-cupric/copper cathode interface process
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.
Rotating cylinder electrode, Electrolysis, Mass transfer, Effectiveness factor
0009-2509
2695-2702
Nava, Jose Luis. M.
f3ca3302-325b-4d6e-b303-17c59112f783
Sosa, Eliceo. E.
5b751aea-a9fb-4dc6-9174-62f392ff8107
Ponce de Leon, Carlos
508a312e-75ff-4bcb-9151-dacc424d755c
Oropeza, Mercedes.T.
fe221727-7a9d-4868-864b-c430a16cf086
Nava, Jose Luis. M.
f3ca3302-325b-4d6e-b303-17c59112f783
Sosa, Eliceo. E.
5b751aea-a9fb-4dc6-9174-62f392ff8107
Ponce de Leon, Carlos
508a312e-75ff-4bcb-9151-dacc424d755c
Oropeza, Mercedes.T.
fe221727-7a9d-4868-864b-c430a16cf086

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).

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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More information

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
ORCID for Carlos Ponce de Leon: ORCID iD orcid.org/0000-0002-1907-5913

Catalogue record

Date deposited: 24 Jul 2008
Last modified: 16 Mar 2024 03:43

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Contributors

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

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