The effect of storage and mechanical pretreatment on the biological stability of municipal solid wastes

Waste Management
Sergio PonsáAntoni Sánchez

Abstract

Modern mechanical-biological waste treatment plants for the stabilization of both the source-separated organic fraction of municipal solid wastes (OFMSW) and the mixed stream of municipal solid wastes (MSW) include a mechanical pretreatment step to separate recyclable materials such as plastics, glass or metals, before biological treatment of the resulting organic material. In this work, the role of storage and mechanical pretreatment steps in the stabilization of organic matter has been studied by means of respiration techniques. Results have shown that a progressive stabilization of organic matter occurs during the pretreatment of the source-separated OFMSW, which is approximately 30% measured by the dynamic respiration index. In the case of mixed MSW, the stabilization occurring during the reception and storage of MSW is compensated by the effect of concentration of organic matter that the pretreatment step provokes on this material. Both results are crucial for the operation of the succeeding biological process. Finally, respiration indices have been shown to be suitable for the monitoring of the pretreatment steps in mechanical-biological waste treatment plants, with a strong positive correlation between the dynamic respir...Continue Reading

References

Aug 31, 2002·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·J H Tanskanen, J Kaila
Sep 10, 2004·Journal of Environmental Quality·Fabrizio AdaniFulvia Tambone
Feb 25, 2006·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Raquel Barrena GómezAntoni Sánchez Ferrer
May 4, 2007·Waste Management·Raffaello Cossu, Roberto Raga
Feb 27, 2009·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Ajay S Kalamdhad, Absar A Kazmi

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Citations

Sep 18, 2015·Environmental Science and Pollution Research International·Alessandra CesaroVincenzo Belgiorno
May 24, 2012·Bioresource Technology·Dimitrios Komilis, Dimitrios Kanellos
Nov 16, 2010·Journal of Environmental Management·V Sánchez AriasJ Villaseñor

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