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Material Hygiene: An EcoDesign Mindset for Optimized Material Use
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
2006 (English)In: Proceedings of 13th CIRP Life Cycle Engineering 2006 volume 2, 2006, 389-392 p.Conference paper, Published paper (Refereed)
Abstract [en]

Materials are a strategic resource and the increasing prices for metals call for an optimized materials use.The prices for materials due to demands, growing faster than the production of virgin material, have putrecycling in focus. The mindset “material hygiene” is a pedagogical concept aimed at managingcompromises necessary to optimize materials use in products. Consideration to the entire life cycle of aproduct must be taken in order to avoid sub-optimization. This paper will discuss material hygiene aspectsin terms of disassembly and recycling of domestic appliances, especially dishwashers.

Place, publisher, year, edition, pages
2006. 389-392 p.
Keyword [en]
Material Hygiene, Disassembly, Recycling
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-9374OAI: oai:DiVA.org:kth-9374DiVA: diva2:113744
Note
QC 20100813Available from: 2008-10-27 Created: 2008-10-27 Last updated: 2010-08-16Bibliographically 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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CiteExportLink to record
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Citation style
  • apa
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Output format
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