Determination of the effective thickness of a porous electrode in a flow-through reactor; effect of the specific surface area of stainless steel fibres, used as a porous cathode during the deposition of Ag(I) ions.
Determination of the effective thickness of a porous electrode in a flow-through reactor; effect of the specific surface area of stainless steel fibres, used as a porous cathode during the deposition of Ag(I) ions.
This study discusses the use of potential distribution analysis during the deposition of metal ions, at limiting current conditions and determines the optimum electrode thickness at which no hydrogen evolution occurs. The potential distribution studies were carried out on stainless-steel fibres of three different surface areas. The fibres were used as cathodic porous electrodes during the deposition of Ag(I) ions contained in 0.1 mol dm? 3 KNO3 and 0.6 mol dm? 3 NH4OH electrolyte. The comparison between the experimental and the theoretical potential distributions show good agreement at mean linear flow rates in the range of 0.24 and 0.94 cm s? 1.
Electrode thickness, flow-through, fixed bed electrode reactor, packed bed electrode, potential distribution, potential drop, silver ion
98-103
Nava, J.L.
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Oropeza, M.T.
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Ponce de León, C.
12084452-2315-4541-9821-645711e3cfd8
González-García, J.
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Frías-Ferrer, A.J.
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March 2008
Nava, J.L.
d47b3a56-4986-444d-bbda-57ecbc03b07a
Oropeza, M.T.
62cb1bda-fb12-4daf-85d3-9bce89a03593
Ponce de León, C.
12084452-2315-4541-9821-645711e3cfd8
González-García, J.
8a4ed162-6059-45be-8518-451ca26a52e9
Frías-Ferrer, A.J.
4774ff55-3c97-4c10-ad4d-78d56ae480df
Nava, J.L., Oropeza, M.T., Ponce de León, C., González-García, J. and Frías-Ferrer, A.J.
(2008)
Determination of the effective thickness of a porous electrode in a flow-through reactor; effect of the specific surface area of stainless steel fibres, used as a porous cathode during the deposition of Ag(I) ions.
Hydrometallurgy, 91 (1-4), .
(doi:10.1016/j.hydromet.2007.12.001).
Abstract
This study discusses the use of potential distribution analysis during the deposition of metal ions, at limiting current conditions and determines the optimum electrode thickness at which no hydrogen evolution occurs. The potential distribution studies were carried out on stainless-steel fibres of three different surface areas. The fibres were used as cathodic porous electrodes during the deposition of Ag(I) ions contained in 0.1 mol dm? 3 KNO3 and 0.6 mol dm? 3 NH4OH electrolyte. The comparison between the experimental and the theoretical potential distributions show good agreement at mean linear flow rates in the range of 0.24 and 0.94 cm s? 1.
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Published date: March 2008
Keywords:
Electrode thickness, flow-through, fixed bed electrode reactor, packed bed electrode, potential distribution, potential drop, silver ion
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 54627
URI: http://eprints.soton.ac.uk/id/eprint/54627
ISSN: 0304-386X
PURE UUID: ac271dc2-0503-42a8-a0e8-d79debc4ea84
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Date deposited: 04 Aug 2008
Last modified: 15 Mar 2024 10:49
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Contributors
Author:
J.L. Nava
Author:
M.T. Oropeza
Author:
C. Ponce de León
Author:
J. González-García
Author:
A.J. Frías-Ferrer
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