Abstract
In recent years, the existing capacity of the final disposal site has been tight, and technology such as incineration or melting processes is going to be utilized as practical use, after excavating and selecting the digged waste from existing disposal site in order to aim at the prolongation of life of existing disposal site. By reducing volume of the waste in existing disposal site by applying the technology, or changing it a reusable thing, the prolongation of life of an existing disposal site is aimed at, and the load to environment is reduced as a result. We performed a trial processing using blend of digged waste and municipal waste, by the gasification and melting method with a high purity oxygen blowing shaft type incinerator. As a result, even if digged waste of 20% is blended with municipal waste, all environmental regulations are satisfied and could process it properly. A study was made to the prolongation of life of the existing disposal site with this processing.