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Metals recycling from electronic scrap by air table separation: theory and application
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
Luleå University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
1998 (English)In: EPD Congress 1998: proceedings of sessions and symposia sponsored by the Extraction and Processing Division of the Minerals, Metals & Materials Society, held at the TMS annual meeting in San Antonio, Texas, February 16 - 19, 1998 / [ed] Brajendra Mishra, Warrendale, Pa.: Minerals, Metals & Materials Society, 1998, p. 497-515Conference paper, Published paper (Refereed)
Abstract [en]

Metals recovery from electronic scrap by physical separation may provide an alternative to the current recycling approach, through which halogenated flame retardants can result in hazardous dibenzo-p-dioxins and dibenzo-furans. On the basis of a complete sink-float analysis of personal computer and printed circuit board scrap, and in view of the advantages of dry processes for electronic scrap recycling by mechanical separation, air table separation is prioritized in an attempt to separate metals from plastics and glass involved. In the present paper, theoretical and practical considerations of air table separation have been detailed. It has been shown that air table separation is effective for recovering copper and precious metals from this specific waste stream. With the feed rate of 60 kg per hour, the combined grade and recovery of copper, gold, and silver attainable for the two heavy products produced by the air table used in the present study was shown in a table.

Place, publisher, year, edition, pages
Warrendale, Pa.: Minerals, Metals & Materials Society, 1998. p. 497-515
National Category
Metallurgy and Metallic Materials Metallurgy and Metallic Materials
Research subject
Mineral Processing; Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-30336Scopus ID: 31652660Local ID: 419d5530-ac76-11db-aeba-000ea68e967bISBN: 0-87339-388-0 (print)OAI: oai:DiVA.org:ltu-30336DiVA, id: diva2:1003563
Conference
TMS Annual Meeting : 15/02/1998 - 19/02/1998
Note
Godkänd; 1998; 20070125 (pafi)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Forssberg, EricMenad, NourreddineBjörkman, Bo

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