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PL
Przegląd 33 źródeł odnoszących się do projektów obecnie realizowanych oraz planowanych przez duże konsorcja, dotyczących odzysku materiałów kompozytowych do ich ponownego wykorzystania.
EN
A review, with 33 refs., of projects currently implemented and planned by large consortia in the area of recovering variety of composite materials for their reuse.
PL
Dokonano przeglądu nowych materiałów stosowanych do produkcji łopat turbin oraz procesów monitorowania konserwacji i stanu strukturalnego tych łopat, a także technologii chemicznego, termicznego i mechanicznego ich recyklingu.
EN
A review, with 34 refs., of new materials for manufacturing the turbine blades, processes for monitoring maintenance and structural health of the blades as well as chem., thermal and mech. blade recycling technologies.
PL
Przedstawiono sposoby ponownego wykorzystania łopat turbin wiatrowych przez małe i średnie firmy (m.in. polską firmę Anmet) oraz dokonano przeglądu różnych propozycji recyklingu. Zaprezentowano nowe możliwości systemów rozdrabniających oraz obiekty architektury, budownictwa drogowego, a także bloki geotechniczne, platformy pływające i wieże widokowe. Uwzględniono także kompozytowe płyty wiórowe oraz odzysk włókien węglowych w procesie pirolizy odpadów.
EN
A review, with 32 refs., of various new proposals for recycling and reusing of wind turbine blades by small companies (including the Polish Anmet company). New projects on shredding blades as well as on architecture objects, road construction, geotechn. blocks, floating platforms and observation towers were presented. Prodn. of composite chipboard panels and recovery of carbon fibers by waste pyrolysis were also included.
EN
Carbon fiber reinforced plastics (CFRP) owing to its excellent properties have found its extensive application in various fields ranging from medical to automobile and aerospace industries. This has thereby led to ever-increasing demand of carbon fiber production and as well as resulting in tonnes of carbon fiber wastes in the landfills [5]. Due to the high positive impacts of using carbon fibers, the energy intensive and cost intensive production of virgin fibers and the growing landfills are often overlooked. Hence, the need for recycling and repurposing of carbon fiber wastes have gained the significance at present day. Although various recycling technologies have been developed yet, various challenges are faced with processing of recycled carbon fibers (rCF). Besides, the desired application specific properties are not compromised for high cost and high-energy requirement. Therefore, an overall development of processing rCF is sought from not only a sustainability point but also an economic point [7]. Various efficient recycling technologies are currently operating. The challenges arises in commercializing the recycled fibers after the recycling process. The recycled fibers often require various post-processing of fibers and undergoes fiber degradation. This induces a skeptical mindset for the buyers to introduce the recycled fibers in the material ecosystem. This paper currently discusses the processing challenges of long rCF in a compounding plant. To form a closed loop, the recycled fibers are obtained from the novel thermocatalytic degassing process from the CFRP recycling pioneers in Germany, Global EnerTec AG, Guben. This plant in Guben not only recycles carbon fibers from automotive CFRP wastes but also repurposes the epoxy matrices into secondary energy sources. This paper focuses in investigating the processing of rCF obtained from a 100% recycling technology. The aim is to investigate the possible technical challenges so that the rCF can be repurposed to new product manufacturing. Thereby, addressing the concerns with the development of closed loop circular economy in recycling CFRP wastes.
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