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Sustainability 2013, 5(9), 3960-3975; doi:10.3390/su5093960

Analysis of Electro-Oxidation Suitability for Landfill Leachate Treatment through an Experimental Study

1
Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, Trento I-38123, Italy
2
Department of Energy Production and Use, University Politehnica of Bucharest, Splaiul Independentei 313, Bucharest 060042, Romania
3
Department of Science and High Technology, University of Insubria, Via G.B. Vico 46, Varese I-21100, Italy
*
Author to whom correspondence should be addressed.
Received: 22 July 2013 / Revised: 9 September 2013 / Accepted: 10 September 2013 / Published: 16 September 2013
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Abstract

This paper examines the efficiency of electro-oxidation used as the single pretreatment of landfill leachate. The experiments were performed on three different types of leachate. The results obtained using this electrochemical method results were analyzed after seven days of treatment. The main characteristics of leachate and a diagram of the experimental apparatus are presented. The overall objectives were to contribute to the knowledge of electrochemical treatments for the reduction of COD, BOD5, ammonium, and total suspended solids, and also to examine whether there was any resulting hexavalent chromium in the liquid sample. The yields obtained were considered satisfactory, particularly given the simplicity of this technology. Like all processes used to treat refluent water, the applicability of this technique to a specific industrial refluent needs to be supported by feasibility studies to estimate its effectiveness and optimize the project parameters. This could be a future development of the work.
Keywords: BOD5; COD; electro-oxidation; landfill leachate BOD5; COD; electro-oxidation; landfill leachate
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Rada, E.C.; Istrate, I.A.; Ragazzi, M.; Andreottola, G.; Torretta, V. Analysis of Electro-Oxidation Suitability for Landfill Leachate Treatment through an Experimental Study. Sustainability 2013, 5, 3960-3975.

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