Technology Assessment System for Conversion Process of Symbiotic Industries in Kawasaki Eco-town

Abstract

Industrial symbiosis plays an important role to promote a recycling-oriented society and a low-carbon society. In this paper, Evaluation system of production technology is identified by analyzing contribution ratio of CO₂ emission, which is found by segmentation of production process in recycle-oriented industries in Kawasaki Eco-Town. Six indicators were defined, namely, conversion efficiency of virgin material, conversion energy efficiency of virgin material, conversion efficiency of recycle material, conversion energy efficiency of recycle material, substitution ratio of recycling process and conversion energy efficiency of middle material. As the result that CO₂ emission is calculated and pick out the parameter of technology, we can present generally and quantitatively marginal effect of the parameter of technology and CO₂ emission.