Abstract
A simulation model to account for the total cost, the total CO2 emission, the energy recovery in terms of electricity, the recycling rate and final disposal amount, is developed for evaluating incineration plants renovation programs and region wide solid waste management. The authors applied the model to the pilot study in Hyogo prefecture and estimate the performances of those indicators in the period of 2010 - 2030. The total cost in the region-wide solid waste management (RWM) scenario shows little difference from that in the business as usual (Bau) scenario, in spite of increasing garbage collection/transpot distance in the RWM scenario, because of falling off in the construction-and-operation cost of enlarged highly-efficient incineration plants. Furthermore, the total amount of CO2 emission in the RWM scenario is less than in the Bau scenario, when considerating the reduction effect of embodied CO2 volume or social cost equivalent to the energy recovery by boiler and power-generating system. Especially, the amount of electricity production in the RWM scenario is almost twice of the amount in the Bau scenario. This simulated performance indicates that the incineration plants are to serve as energy supply facilities in the region-wide area.
