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versión On-line ISSN 0718-0764
PATINO, Kelly V; ARROYAVE, Sandra M y MARIN, Juan M. Electrochemical Oxidation and Ozonation Applied to the Treatment of Wastewaters from Biodiesel Production. Inf. tecnol. [online]. 2012, vol.23, n.2, pp.41-52. ISSN 0718-0764. http://dx.doi.org/10.4067/S0718-07642012000200006.
Non-photochemical advanced oxidation technologies, ozonation and electrochemical oxidation, as alternative technologies to treat wastewaters from biodiesel production were applied. The physicochemical characterization of the wastewaters showed high levels in biochemical and chemical oxygen demand, total organic carbon and residual methanol. Both technologies increased the wastewater biodegradability and showed similar efficiencies in the reduction of the organic loads, with chemical oxygen demand removal between 5 and 9 % and total organic carbon removal between 9 and 11 %. However the ozonation showed to be a more versatile technology to be implemented on a larger scale as a system for treatment alone or coupled to biological processes that are typically used in treating waters with high organic load.
Palabras clave : ozonation; electrochemical oxidation; biodiesel; wastewater; decontamination.