202 高周波誘導加熱による電子回路部品からの金属回収(安定化・無害化,循環型廃棄物処理技術)

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  • 202 Metal Recovery from Wasted Circuit Board Using Induction Heating

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Recovery of rare metals and base metals from electric waste (E-waste) would be of interest because of a sharp global-scale increase in commodity prices. In this study, a new material recycle process from waste electronic circuit boards using high frequency induction heating was proposed. Heating and separation examination was carried out using thin and nexible electronic circuit boards. Although it is difficult to heat up good electric conductor by induction heating, the temperature of these samples sufficiently increased and thermal decomposition of resin in these boards was confirmed. Separation between metal and resin film of these boards after induction. heating could be made easy. Moreover, optimal operating conditions of induction heating for the separation were clarified by several experiments.

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