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Improved recycling with life cycle information tagged to the product
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Elements.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Elements.
2010 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 18, no 4, 346-354 p.Article in journal (Other academic) Published
Abstract [en]

Rising demand for product means that the recycling of materials is now more important than ever, saving a lot of energy embedded in materials, thus reducing CO(2) emissions. Providing relevant information can raise the recycling efficiency, which is too low at present. A Recycling Information Matrix (RIM) concentrating on Waste Electrical and Electronic Equipment (WEEE) is suggested in order to facilitate and improve materials recycling. Each RIM focuses on a recycling target, and for each type of product a WEEE vector is constructed. The WEEE vector contains nine hexadecimal numbers where core-recycling info is stored. The WEEE vector can provide direct recycling information escorting the product. Another possibility is to individually identify every single product via RFID technology, giving the potential to look for relevant recycling information in databases. This offers the opportunity to add waste-handling information after the product has entered the market. This would be useful, for example, in tracking substances regarded as non-toxic at time of production which might later be proven to be the opposite. This paper is based on study visits at recycling facilities in Sweden and on many student EcoDesign projects including disassembly of consumer products. Research is done on a focused disassembly of dishwashers and on a polymer recycling experiment at a recycling plant for freezers and refrigerators. Possible escort memories are also studied, especially Radio Frequency Identification Devices (RFID).

Place, publisher, year, edition, pages
2010. Vol. 18, no 4, 346-354 p.
Keyword [en]
Recycling efficiency; EcoDesign; Waste electrical and electronic equipment; WEEE; Design Environment; Product development
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-9528DOI: 10.1016/j.jclepro.2009.10.023ISI: 000275770400007Scopus ID: 2-s2.0-75149114954OAI: oai:DiVA.org:kth-9528DiVA: diva2:117397
Note
QC 20100816. Updated from submitted to published, 20120315. Previous title: Improved recycling with escort memoriesAvailable from: 2008-11-12 Created: 2008-11-12 Last updated: 2017-12-14Bibliographically approved
In thesis
1. Material Hygiene: An EcoDesign mindset for recycling of products
Open this publication in new window or tab >>Material Hygiene: An EcoDesign mindset for recycling of products
2008 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

In recent years the end-of-life phase has come into focus. European Union directives have been issued regulating certain product groups and producer responsibility. Vehicles and electronic products are the first to be identified and targeted. EU environmental legislation acts as a driver for increased reuse, recycling and recovery. The overall aim of the presented activities has been to increase the effectiveness of current recycling practices, both in terms of design changes and end-of-life treatment process suggestions. A “pre-step” operation has been suggested, in order to either salvage valuable (or toxic) material or to remove diluting bulk material. As this thesis is focused on the recycling of white-goods specifically dishwashers the suggested prestep would be removal of valuable copper prior to shredding. A life cycle assessment (LCA) study has been conducted. The purpose of this study was to determine if using a pre-step is beneficial from an environmental point of view or not. Furthermore, an experiment on the usability of recycled polymers from waste electrical and electronic equipment (WEEE) has been performed. Based on this work polymer recycling process suggestions are presented. Based on research in the fields of design for recycling, design for disassembly and EcoDesign the material hygiene (MH) concept of design for recycling is formulated. This concept is tested on a disassembly field study carried out at a waste collection facility and a polymer recycling experiment at a refrigerator fragmentation plant. Five MH factors are suggested: MH Mix, MH Identification, MH Resources, and MH Weight and MH Map. Additionally, a MH mind-set is presented.

Place, publisher, year, edition, pages
Stockholm: KTH, 2008. xii, 82 p.
Series
Trita-MMK, ISSN 1400-1179 ; 2008:07
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-9529 (URN)978-91-7415-172-5 (ISBN)
Public defence
2008-11-28, Sal M2, KTH, Brinellvägen 64, Stockholm, 10:00 (English)
Opponent
Supervisors
Note
QC 20100816Available from: 2008-11-12 Created: 2008-11-12 Last updated: 2010-08-16Bibliographically approved

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