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Characterising and evaluating waste electrical and electronic equipment as a source of scarce metals - a geological and primary production perspective

Characterising and evaluating waste electrical and electronic equipment as a source of scarce metals - a geological and primary production perspective
Characterising and evaluating waste electrical and electronic equipment as a source of scarce metals - a geological and primary production perspective
The global consumption of metals is increasing sharply, simultaneously with a loss of scarce metals. To reduce these losses, the causative processes must be understood. Therefore, a knowledge base on secondary resources and the potential for the mining of secondary material deposits needs to be developed. In this study, a framework connecting geological and primary production understanding with the material life cycle was developed. Subsequently, analogies were derived on concentration and dilution relationships after the use phase. Additionally, the "geological" setting of secondary material deposits was determined for three waste electrical and electronic equipment cases in Switzerland. This allowed a better understanding of the mining potentials in the recycling and disposal phase of an EoL product. The resulting "geological" setting demonstrated secondary material deposits of scarce metals to have higher concentrations and their mine-life to last longer than in a mined primary material deposit. The study revealed that extracting secondary material resources is likely to become energetically, economically, environmentally, more viable
9788862650311
Paper 091
CISA Publisher
Mueller, S.
6c9547a1-cdff-4177-81b0-4048277b6afb
Wäger, P.A.
41580300-634f-4079-a3d6-59e056897166
Widmer, R.
bf8321f4-23fe-4505-8d7a-86145638d9f5
Williams, I.D.
c9d674ac-ee69-4937-ab43-17e716266e22
Mueller, S.
6c9547a1-cdff-4177-81b0-4048277b6afb
Wäger, P.A.
41580300-634f-4079-a3d6-59e056897166
Widmer, R.
bf8321f4-23fe-4505-8d7a-86145638d9f5
Williams, I.D.
c9d674ac-ee69-4937-ab43-17e716266e22

Mueller, S., Wäger, P.A., Widmer, R. and Williams, I.D. (2014) Characterising and evaluating waste electrical and electronic equipment as a source of scarce metals - a geological and primary production perspective. In Proceedings of SUM 2014 – Second Symposium on Urban Mining. Old Monastery of St Augustine, Bergamo, Italy, May 19/21. CISA Publisher. Paper 091 .

Record type: Conference or Workshop Item (Paper)

Abstract

The global consumption of metals is increasing sharply, simultaneously with a loss of scarce metals. To reduce these losses, the causative processes must be understood. Therefore, a knowledge base on secondary resources and the potential for the mining of secondary material deposits needs to be developed. In this study, a framework connecting geological and primary production understanding with the material life cycle was developed. Subsequently, analogies were derived on concentration and dilution relationships after the use phase. Additionally, the "geological" setting of secondary material deposits was determined for three waste electrical and electronic equipment cases in Switzerland. This allowed a better understanding of the mining potentials in the recycling and disposal phase of an EoL product. The resulting "geological" setting demonstrated secondary material deposits of scarce metals to have higher concentrations and their mine-life to last longer than in a mined primary material deposit. The study revealed that extracting secondary material resources is likely to become energetically, economically, environmentally, more viable

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Published date: May 2014
Venue - Dates: SUM 2014 – Second Symposium on Urban Mining, Italy, 2014-05-19 - 2014-05-21
Organisations: Centre for Environmental Science

Identifiers

Local EPrints ID: 365226
URI: https://eprints.soton.ac.uk/id/eprint/365226
ISBN: 9788862650311
PURE UUID: da6a5f10-6d9b-497d-ad05-0b9877a852d6
ORCID for I.D. Williams: ORCID iD orcid.org/0000-0002-0121-1219

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Date deposited: 29 May 2014 13:09
Last modified: 26 Nov 2019 01:46

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Contributors

Author: S. Mueller
Author: P.A. Wäger
Author: R. Widmer
Author: I.D. Williams ORCID iD

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