論文

査読有り
2010年

ノートパソコンおよび携帯電話からの金属およびプラスチックリサイクルに必要なTMR (都市鉱石TMR) の算出と評価

日本LCA学会誌
  • 南埜 良太
  • ,
  • 山末 英嗣
  • ,
  • 中島 謙一
  • ,
  • 村上 進亮
  • ,
  • 奥村 英之
  • ,
  • 石原 慶一

6
3
開始ページ
251
終了ページ
258
記述言語
日本語
掲載種別
DOI
10.3370/lca.6.251
出版者・発行元
日本LCA学会

From the view point of urban mine, Japan is one of the most abundant countries in resources, especially in scarce metals. In this study, the total materials requirements to recycle metallic materials and mixed-plastics from urban ores (urban ore TMR, UO-TMR) have been estimated and evaluated in comparison with the total materials requirements to smelt them from natural ores (natural ore TMR, NO-TMR). As the urban ores, mobile phone and laptop PC were selected. The estimation were carried out using scenario analyses, in which the number of recycled materials (gold, silver, copper, tantalum, indium, scrap steel, scrap aluminum and mixed-plastics) was changed considering additional energy and material inputs. As for the evaluation of recycled gold, silver, copper, tantalum and indium, which have almost the same qualities as the materials from natural ores, their UO-TMR were lower than respective NO-TMR, except for indium. In the case of scrap steel and scrap aluminum, which qualities are less than pure steel and aluminum from the natual ores, the trade-off between the increase in UO-TMR and the additional materials and energy inputs for increase in quality by dilution process or advanced disassembling-selection process was discussed by comparing with the NO-TMR.

リンク情報
DOI
https://doi.org/10.3370/lca.6.251
CiNii Articles
http://ci.nii.ac.jp/naid/130004496281
ID情報
  • DOI : 10.3370/lca.6.251
  • ISSN : 1880-2761
  • CiNii Articles ID : 130004496281

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