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

Author(s): Elena Cristina Rada | Irina Aura Istrate | Marco Ragazzi | Gianni Andreottola | Vincenzo Torretta

Journal: Sustainability
ISSN 2071-1050

Volume: 5;
Issue: 9;
Start page: 3960;
Date: 2013;
Original page

Keywords: BOD5 | COD | electro-oxidation | landfill leachate

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.
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