一般廃棄物リサイクリングの産業間における最適負担配分モデル

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Most serious problem concerning municipal waste is the limitation of final disposal site. Even though recycling is one of the most important countermeasures, it is very difficult to promote it mainly for economical reasons. The purpose of this research is to propose the model evaluating the effect of recycling, both on the reduction of final waste and the domestic economy, and to show a guideline for the optimum allocation of municipal waste recycling among industries under some selection criteria. The effects of recycling were calculated by a newly developed simulation model, which was consisted of characteristic sub-models and based on the Input-Output table analysis evaluating the repercussion effects of recycling costs and the distribution of material. A recycling cost function and a domestic consumer demand function for several sectors are also estimated. Following criteria were introduced to allocate the additional amount of recycling among sectors : (1) Minimize the GDP decrease per unit of reduced final waste (2) Minimize total GDP decrease (3) Maximize the reduction of final waste Adopting Criterion (2), the model indicates that recycling allocation should be started from the industries whose repercussion effects on the domestic economy are relatively low. Under criterion (3), recycling should be promoted firstly by the industries whose products mainly consist of materials with high ash content ratio. The result of simulation under criterion (1) is more efficient than the other criteria in terms of cost effect.
社団法人資源・素材学会の論文
1999-12-25

一般廃棄物リサイクリングの産業間における最適負担配分モデル

スポンサーリンク

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スポンサーリンク