Abstract
These days, it becomes serious problem how to dispose the waste in Japan. The waste is mainly filled in the landfill after to be crushed or incinerated. Now, capacity of the landfill is estimated to be less than ten years.
It is often the case that plastics waste is filled directly in the landfill because the plastics waste has high calorific value and damages the incinerator. This becomes a fac-tor of a shortening the landfill capacity.
This paper discribes the effect of introduction of actual disposal technologies for plastics waste on the landfill capacity in the short and middle term. For the case of Tokyo, we tried preliminary estimation of economical inpact for the case of energy recovery as electricity by burnning up the plastics waste, and for the case of filling all waste.
As a result, energy recovery and filling system was found to be good way for dis-posal of plastics waste in the short and middle term. And the system is more profitable way than the present way of filling without combustion.
