Kenichi Katayanagi

Environmental Control Center Co., Ltd
(129, Kamita, Hino-city, Tokyo 191 Japan)

Abstract

This study aims to develop an evaluation method for selecting an appropriate municipal solid waste treatment, especially considering plastic waste, in the redesign stage of the master plan. Recently, increasing wastes mixed with plastics have impeded municipal solid waste management. Along with this increase, the conditions of wastes and constraints in treatment systems have also changed because of consumption patterns, lack of reclamation lands, etc. While there are several ways to treat plastic-mixed waste (such as incineration or reclamation), many local governments have suffered from a lack of management systems to cope with changing conditions and constraints. Therefore, when old systems are redesigned in a municipal solid waste management master plan, it is important to select appropriate systems and analyze several alternatives concerned with these changes rather than relying on the redesign of old systems. In this study, various issues of increasing plastic-mixed waste are analyzed through a literature review. Secondly, based on these analyses, an evaluation method for selecting an appropriate waste treatment system will be developedin three steps as follows: 1) collection and transportation; 2) primary treatment; and 3) final disposal. Finally, in order to demonstrate the evaluation method, three hypothetical alternatives of municipal solid waste treatment systems in a model city are compared.

Key words: plastic waste, master plan of municipal solid waste treatment, appropriate municipal solid waste treatment, evaluation of treatment system