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Artículo

Effluent treatment using a bipolar electrochemical reactor with rotating cylinder electrodes of wovenwire meshes

Grau, Javier MarioIcon ; Bisang, Jose MariaIcon
Fecha de publicación: 05/2009
Editorial: John Wiley & Sons Ltd
Revista: Journal of Chemical Technology and Biotechnology
ISSN: 0268-2575
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ingeniería Química

Resumen

Background: The behaviour of a bipolar electrochemical reactor consisting of one or more rotating cylinder electrodes of woven wire meshes is reported using copper and cadmium deposition from dilute solutions as test reactions. Results: The best performance related to electrode number was determined for copper deposition and was achieved by an arrangement with two bipolar electrodes, for which the conversion in a single pass was approximately 47%. The specific energy consumption was 3.27 kWh kg-1 with a normalised space velocity of 23.05 h-1. The copper powder obtained showed a nodular and dendritic surface morphology. This reactor configuration was also analysed for cadmium deposition, in which hydrogen evolution takes place simultaneously as a side cathodic reaction, considering the effect of flow rate and total current. The maximum conversion per pass for cadmium removal was 38.91%. In this case the reactor with two bipolar electrodes showed a performance similar to that of a monopolar reactor operated at a rotation speed three times higher. Conclusion: A continuous electrochemical reactor with two rotating bipolar electrodes of woven wire meshes presents a good performance for copper or cadmium removal from dilute solutions.
Palabras clave: Electrochemical Reactor , Mass Transport , Woven Wire Mesh , Rotating Cylinder Electrode , Three-Dimensional Electrode
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/57137
DOI: http://dx.doi.org/10.1002/jctb.2199
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Articulos(INCAPE)
Articulos de INST.DE INVEST.EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Citación
Grau, Javier Mario; Bisang, Jose Maria; Effluent treatment using a bipolar electrochemical reactor with rotating cylinder electrodes of wovenwire meshes; John Wiley & Sons Ltd; Journal of Chemical Technology and Biotechnology; 84; 7; 5-2009; 1084-1089
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