Development of a Pneumatic Separator Based on a New Conception of Strategic Urban Mining

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  • 戦略的都市鉱山実現のための気流選別装置の開発
  • 実用環境技術シリーズ 戦略的都市鉱山実現のための気流選別装置の開発
  • ジツヨウ カンキョウ ギジュツ シリーズ センリャクテキ トシ コウザン ジツゲン ノ タメ ノ キリュウ センベツ ソウチ ノ カイハツ

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Abstract

In the present study, physical separation devices were developed, based on the concept of 'strategic urban mining', in order to establish a new recycling system. First, the optimal separation pattern (system and condition) was selected from two quadrillion possibilities, by means of a simulator developed by the author, using an electronic devices database. Then, the selected system, including an automatic double-tube pneumatic separator, was developed, enabling the recovery of tantalum capacitors from waste printed circuit boards. The system represents the world's first successful means of commercialized tantalum recycling.

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