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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.

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), pp. 98-103. (doi:10.1016/j.hydromet.2007.12.001).

Record type: Article

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

Catalogue record

Date deposited: 04 Aug 2008
Last modified: 17 Jul 2017 14:35

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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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