Mechanical-Biological Treatment of Municipal Solid Waste as a component of the Integrated Waste Management Concept for Santiago de Chile

Based on the results of pre-feasibility analysis for the recycling program “Santiago Recicla”, the following paper gives an overview of the potentials of mechanical and mechanical-biological pre-treatment options for integrated MSW management in Santiago de Chile (MSW quantities, MSW composition, current recycling activities, proposed recycling measures and mechanical pre-treatment). Also different logistical alternatives for the collection of recyclable materials, drop-off systems or curbside collection of biowaste, as well as the production of Refuse Derived Fuels are discussed.

The management of municipal solid waste (MSW) in the Metropolitan Region of Santiago de Chile (MRS), a city of 6.7 million inhabitants which equals approximately 40% of the country´s population, is based predominantly on final disposal in landfills. Less than 2% of the waste is recycled through formal programs (mainly glass, and to a lesser extend paper and cardboard), and there is nearly no recovery of the organic fraction, which accounts for about 50% of the total quantity disposed in landfills (SZANTO, 2006; IASA, 2010). Although co-combustion in cement kilns is state of the art in the case of commercial and industrial waste (e.g. used lubricants, solvents, tires and packaging material), an energetic recovery of MSW in Chile is currently not feasible neither from the economical nor the technical standpoint.

Copyright: © Wasteconsult International
Quelle: Waste-to-Resource 2011 (Mai 2011)
Seiten: 17
Preis inkl. MwSt.: € 8,50
Autor: Env. Eng. (M.Sc.) Joachim Vogdt
Dipl.-Ing. Bastian Wens

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