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Environmental Prospects for Mixed Textile Recycling in Sweden
Chalmers University of Technology, Sweden.ORCID-id: 0000-0001-8319-168X
RISE - Research Institutes of Sweden, Bioekonomi, Bioraffinaderi och energi.ORCID-id: 0000-0002-3536-7895
RISE - Research Institutes of Sweden, Bioekonomi, Bioraffinaderi och energi.
2019 (engelsk)Inngår i: ACS Sustainable Chemistry & Engineering, E-ISSN 2168-0485Artikkel i tidsskrift (Fagfellevurdert) Epub ahead of print
Abstract [en]

The production of cotton and other fibers causes excessive resource use and environmental impacts, and the deployment of these fibers in “fast fashion” is creating large masses of textile waste. Therefore, various industrial researchers are attempting to develop systems to recycle cellulosic materials. This is a challenging undertaking because of the need to handle mixed waste streams. Alkaline hydrolysis has been suggested as a useful textile recycling process, but its sustainability credentials have not been fully examined via life cycle assessment. The aim of this article is to provide such an examination and to guide process developers by scaling up results from recent laboratory work to a small-scale industrial facility. The results indicate that the recycling process is promising from an environmental point of view. The key issue controlling the relative environmental performance of the recycling system in comparison to a single-use benchmark is how the process for converting recovered cotton into a cellulosic fiber is performed. A fully integrated viscose production system or a system that makes one of the newer cellulosic fibers (e.g., lyocell) from the recovered cotton will improve the performance of the recycling system relative to its alternatives.

sted, utgiver, år, opplag, sider
2019.
Emneord [en]
Life cycle assessment, LCA, Polycotton, Polyester, Cotton, Viscose, Lyocell, Chemical recycling, Fiber recycling, Fibre recycling, Alkaline hydrolysis, Textile recycling, Sustainability, Carbon footprint, Water footprint, Toxicity, Acidification, Eutrophication, Process development
Emneord [sv]
Livscykelanalys, LCA, Polyester, Bomull, Viskos, Lyocell, Kemisk återvinning, Fiberåtervinning, Textilåtervinning, Hållbarhet, Hållbarhetsanalys, Klimatpåverkan, Vattenbrist, Toxicitet, Försurning, Övergödning, Processutveckling
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Identifikatorer
URN: urn:nbn:se:ri:diva-38988DOI: 10.1021/acssuschemeng.9b01742OAI: oai:DiVA.org:ri-38988DiVA, id: diva2:1323330
Prosjekter
Mistra Future Fashion
Forskningsfinansiär
Mistra - The Swedish Foundation for Strategic Environmental ResearchTilgjengelig fra: 2019-06-12 Laget: 2019-06-12 Sist oppdatert: 2019-06-13bibliografisk kontrollert

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Forlagets fullteksthttps://pubs.acs.org/doi/full/10.1021/acssuschemeng.9b01742

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Sandin, Gustav

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