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Analysis and modeling of the continuous electro-oxidation process for organic matter removal in urban wastewater treatment

Abstract: Electro-oxidation (EO) is one of the most promising forefront technologies to remove pollutants from wastewater. Most of the available references have shown interesting results for biorefractory compounds, especially at laboratory scale. However, the continuous operation of an EO process has not been studied in detail, even less at pilot scale. In this work, the EO technology has been applied to treat an effluent from an Urban Waste Water Treatment plant in a pilot scale with an anodic area of 0.35 m2 (boron-doped diamond electrodes) taking into account the previous results obtained at lab scale (electrode area 7 × 10?3 m2). A model based on the mass balance, leads to the Damköhler number as the main parameter to describe the removal of organic matter expressed as chemical oxygen demand (COD) at lab and pilot scales. COD reduction is possible to manage by adjusting the flow rate to the anodic area ratio. The main difficulties for the process at pilot scale came from the formation of nonconductive films, which increases near two times the energy losses.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Dominguez-Ramos A., Irabien A.,

 Fuente: Industrial and Engineering Chemistry Research, 2013, 52(22), 7534-7540

Editorial: American Chemical Society

 Fecha de publicación: 05/06/2013

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

 DOI: 10.1021/ie303021v

ISSN: 0888-5885,1520-5045

 Proyecto español: CTM2006-00317

Url de la publicación: https://doi.org/10.1021/ie303021v