Assessing the economic feasibility and market potential is
important for making decisions on landfill mining projects. A
cost-benefit analysis model of landfill mining was applied and
the market potential was assessed based on the field study. Among
all of the costs and benefits of landfill mining, the greatest cost was
that of rental excavation and hauling equipment, followed by the
waste processing cost and the cost of material transportation;
while the benefit of generating electricity by incinerating
combustibles ranked first, followed by the benefit of land
reclamation and then the benefit of recycling soil-like materials.
Landfill mining will be cost-benefit effective considering the
external and internal benefits, and the NPV was sensitive to the
mode of land reclamation, the approach of energy recovery
and the possibility of obtaining the benefits of avoiding postclosure
care.