Evaluation of Total Materials Requirement for the Recycling of Elements and Materials (Urban Ore TMR) from End-of-Life Electric Home Appliances

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Total materials requirement (TMR) for the recycling of elements and materials (Urban Ore TMR) from end-of-life electric home appliances (cathode ray tube TV, liquid crystal display TV, refrigerator, washing machine, air conditioner and microwave oven) have been estimated and evaluated. The estimation were carried out using scenario analyses, in which the number of recycled elements and/or materials was changed considering additional energy for advanced recycling. As the results of the estimation, the urban ore TMR of gold, silver, copper and stainless steel were lower than TMR when they are smelted from natural ore (natural ore TMR) for all the scenarios. The urban ore TMR for iron (steel), aluminum and die-casting aluminum were mainly affected by the dilution ratio using pure element for the recycling. The recyclability of the elements and materials are discussed from the view point of TMR.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 50 (9), 2165-2172, 2009

    The Japan Institute of Metals and Materials

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