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240417s2024 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X241237197
|2 doi
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|a pubmed24n1524.xml
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|a eng
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|a Bayram, Berfin
|e verfasserin
|4 aut
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|a Recycling potential of carbon fibres in the construction industry
|b From a technical and ecological perspective
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.09.2024
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Even though carbon fibres (CFs) have been increasingly used, their end-of-life (EOL) handling presents a challenge. To address this issue, we evaluated the use of recycled CFs (rCFs), produced through pyrolysis, as rovings to be used in textile reinforced concrete structures. Mechanical processing (hammer mill) with varying machine settings was then used to assess EOL handling, considering the separation potential of rCFs and the length of separated rCFs. The results showed that rCF rovings can be separated from concrete with an average of 87 wt.-%, whereas the highest rCF length and separation yield were observed in different machine settings. In addition, a techno-environmental assessment on the mechanical process was performed to compare different machine settings. The machine settings with the highest yield of rCF rovings also had the highest fine fraction that cannot be further separated. Furthermore, life cycle assessment (LCA) was conducted covering three life cycles of CFs and an additional LCA for comparing rCF with virgin CF. LCA results revealed that CF reinforced plastic and concrete productions are the two main contributors to environmental impacts. The comparative LCA between virgin CF and rCF also showed that using rCF is environmentally advantageous, as virgin CF production causes 230% more global warming potential compared to rCF. Future studies assessing different allocation approaches, quantifying the quality of rCF, and its inclusion in LCA are relevant
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|a Journal Article
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|a Carbon fibre
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|a circular economy
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|a concrete
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|a life cycle assessment
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|a recycling
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|a Carbon Fiber
|2 NLM
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Overhage, Vanessa
|e verfasserin
|4 aut
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1 |
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|a Löwen, Marco
|e verfasserin
|4 aut
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| 700 |
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|a Terörde, Katharina
|e verfasserin
|4 aut
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| 700 |
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|a Raulf, Karoline
|e verfasserin
|4 aut
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| 700 |
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|a Greiff, Kathrin
|e verfasserin
|4 aut
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| 700 |
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|a Gries, Thomas
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 42(2024), 9 vom: 01. Sept., Seite 726-737
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
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|g volume:42
|g year:2024
|g number:9
|g day:01
|g month:09
|g pages:726-737
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|u http://dx.doi.org/10.1177/0734242X241237197
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