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| Abstract - Conference paper Bruna Guilherme do Nascimento, Fernando Bozzola, Joel C. Vasco, Milena Parnigoni, Carlos Capela, Lizete Heleno, Marcelo Gaspar & Nelson S. Oliveira Included in the following conference series: International Conference on Water Energy Food and Sustainability | 873.88 KB | Adobe PDF | ||
| 924.87 KB | Adobe PDF |
Orientador(es)
Resumo(s)
Circular economy principles focus on the need to preserve natural resources and foster the use of environmentally sustainable practices. Concerning the use of plastics in a circular economy, increasingly demanding solutions have to be developed towards the zero-waste goal sought after by researchers and society alike. Particular attention has been put into the recycling of PET, mainly due to its wide spectrum of use and, consequently, to large volumes of related waste. The PET mechanical recycling process requires these waste materials to be shredded into PET flakes. Following such a procedure, these flakes are pelletized to be used again as feedstock. Considering the main stages of the mechanical recycling processes, which include plastic screening, shredding and washing, significant amounts of end waste materials are generated. This end-waste integrates small scale particles that are designated by plastic fines. Concerning the PET recycling process, the PET fines resulting from its mechanical recycling are not currently valued due to several technical issues, such as their high contamination level and the complexity of sorting them from other small-size particles. Current research focuses on the feasibility of incorporating these PET fines into the film/injection extruders, avoiding this way the need for an intermediate pelletization stage. To allow for such direct incorporation of PET fines into recycling processes, different decontamination and sorting solutions were implemented and tested. The current study is based on analyzing the mechanical properties of PET fines, using laboratory tests such as FTIR, DSC, MFI, moisture content, tensile tests and bending tests. Preliminary results allow foreseeing the successful direct incorporation of PET fines into PET recycling.
Descrição
Proceedings of the 2nd International Conference on Water Energy Food and Sustainability
(ICoWEFS 2022). Portalegre, Portugal | 10-12 May 2022.
Included in the following conference series: International Conference on Water Energy Food and Sustainability.
Conference name 2nd International Conference on Water Energy Food and Sustainability, ICoWEFS 2022, Portalegre, Portugal
Conference date 10 May 2022 - 12 May 2022
Included in the following conference series: International Conference on Water Energy Food and Sustainability.
Conference name 2nd International Conference on Water Energy Food and Sustainability, ICoWEFS 2022, Portalegre, Portugal
Conference date 10 May 2022 - 12 May 2022
Palavras-chave
Plastic Recycling Circular economy PET fines
Contexto Educativo
Citação
do Nascimento, B.G. et al. (2023). Feasibility Study of the PET Fines Incorporation into Recycling Processes. In: Duque de Brito, P.S., et al. Proceedings of the 2nd International Conference on Water Energy Food and Sustainability (ICoWEFS 2022). ICoWEFS 2022. Springer, Cham. https://doi.org/10.1007/978-3-031-26849-6_24
Editora
Springer Nature