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Evaluation of an Organic Waste Composting Device to Household Treatment

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 3, Issue 3, pp 245-255
DOI: http://dx.doi.org/10.13044/j.sdewes.2015.03.0019
Susana Boeykens1 , C. Alejandro Falcó1, Maria Macarena Ruiz Vazquez1, María Del Carmen Tortorelli2
1 Heterogeneous Systems Chemistry Laboratory, Faculty of Engineering, University of Buenos Aires, P. Colon 850 BA, Buenos Aires, Argentina
2 Ecotoxicology Research Program, Department of Basic Sciences, National University of Luján, Ruta 5 y Avenida Constitución, Buenos Aires, Argentina

The performance of a plug-flow automated aerobic digester used with the compost of the Biodegradable Organic Waste (BOW) from a typical family at its generation rhythm was evaluated. During a 13 month assessment, 179.7 kg of BOW were treated and 106.7 kg of compost were obtained with a C:N ratio of 12 and an average concentration of N of about 2.72%. Additional tests enabled to assess the generation of stable and good quality compost according to the considered standards, suitable for using as organic fertilizer and other uses, such as biotreatments. The design, location and operational characteristics of the device have determined reduced leachate emissions, the absence of unpleasant odour generation and incidence of insects or other vectors, implying the viability of their use without affecting the user´s life quality. It could be an efficient alternative treatment for household BOW, from a technical, economic, energy, cultural and environmental point of view, easy to implement for users lacking in special training.

Keywords: Automated aerobic digesters, Household waste treatment, Composting, Plug-flow Biodigester.

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