Analysis of Economic Efficiency and Environmental LCA for Cupola and Induction Furnaces

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  • ODA Hidemitsu
    Department of Risk Engineering, Faculty of Systems and Information Engineering, University of Tsukuba
  • OKAJIMA Keiichi
    Department of Risk Engineering, Faculty of Systems and Information Engineering, University of Tsukuba
  • UCHIYAMA Yohji
    Department of Risk Engineering, Faculty of Systems and Information Engineering, University of Tsukuba

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Other Title
  • キュポラと誘導炉の経済性分析と環境LCA 分析
  • キュポラ ト ユウドウロ ノ ケイザイセイ ブンセキ ト カンキョウ LCA ブンセキ

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Description

The purpose of this study is to analyze economic efficiency and environmental friendliness with the object of cast iron manufacturing process by the cupola furnace and the induction furnace. To estimate the environmental friendliness, having CO2 discharge as objective, the hybrid LCA method is used.<br>Regarding of economic efficiency, by means of the initial investment, difference will be realized by the cupola furnace and the induction furnace of the same scale. However, the percentage that the initial investment occupies is small when we look 12 years of durable year in view, and it is operational costs that occupy most of the cost. In the case of the cupola furnace, it will be affected by coke costs and the ratio of the coke.<br>In the environmental facet, the apparent superiority of the induction furnace has been clarified. The difference caused by the operation is large, and the difference caused by the equipment is small. As a result of estimation of the load of foundry and forging works as intermediate goods, it was suggested that it had been extremely smaller than it as the final goods.

Journal

  • ENVIRONMENTAL SCIENCE

    ENVIRONMENTAL SCIENCE 26 (1), 22-31, 2013

    SOCIETY OF ENVIRONMENTAL SCIENCE, JAPAN

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