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MSW STABILIZED ORGANIC FRACTION LANDFILLING

The European Council Directive on Landfill of Wastes 1999/31/EC provides, within 2016, the reduction of landfilled biowaste to 35% of the amount produced in 1995. In Italy this Directive was received on the whole by D.Lgs 36/2003. As a result, mechanical and biological treatments (MBTs) of unseparated municipal solid waste (MSW) are a necessary option to reduce organic fraction content and impacts related to wastes disposal.

The paper discusses landfilling impacts of SOF (Stabilized Organic Fraction) produced by mechanical-biological treatment (MBT) plants, with regard to the case study of Campania Region, Southern Italy. Due to particular working conditions, produced SOF showed limited stability, high quantities of plastics and glasses as well as significant concentrations of lead, copper and chromium. As a result, it was unusable for environmental purposes and disposed in landfills. Leachate produced from SOF was investigated in a real scale landfill and in a small pilot plant, in order to better evaluate landfilling impacts of poorly stabilized organic waste. High organic strength and inorganics compounds content confirmed poor stabilization and ineffective selection of material in the MBTs plants.

Copyright:	© IWWG International Waste Working Group
Quelle:	Specialized Session E (Oktober 2007)
Seiten:	10
Autor:	Vincenzo Belgiorno Daniele Panza Valeria Amodio L. Russo
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