In this context, an integrated Solid Waste Management (SWM)
represents a real request and a big challenge at the same time.
A recent description of modern and integrated waste management
systems can be found in Tchobanoglous [4], whereas decision
support models and their practical impact on the Integrated Urban
Waste Management Framework are reviewed in the recent book of
Vigo et al. [5]. Studying a SWM system from an operations
research point of view implies modeling it through a multiechelon
supply chain in which the following processes take place:
waste generation in regional districts; waste collection in transfer
stations; waste separation performed at the sources or in separation
plants; waste treatment through incinerators, waste-toenergy
plants, reclamation plants, or composite plants; waste
disposal by land filling or land spreading.