A review on VOCs from recycled plastics

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/107846
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Title: A review on VOCs from recycled plastics
Authors: Cabanes, Andrea | Valdés, Francisco Javier | Fullana, Andres
Research Group/s: Residuos, Energía, Medio Ambiente y Nanotecnología (REMAN) | Ingeniería para la Economía Circular (I4CE)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química | Universidad de Alicante. Instituto Universitario de Ingeniería de los Procesos Químicos
Keywords: Upcycling | Olfactometry | Chromatography | NIA | Circular economy
Knowledge Area: Ingeniería Química
Issue Date: Sep-2020
Publisher: Elsevier
Citation: Sustainable Materials and Technologies. 2020, 25: e00179. doi:10.1016/j.susmat.2020.e00179
Abstract: Plastic demand is continuously growing and, with it, the amount of plastic waste. The packaging industry is by far the largest source of single-use plastic products that, after use, end up in landfills and oceans. Mechanical recycling is the solution most widely implemented in the global industry and its effectiveness and reliability have been demonstrated for processing post-industrial plastic scrap. The recycling of post-consumer plastic waste, however, requires an upgrade in the current technology to achieve complete decontamination and removal of malodorous substances embedded in the polymer. This review explores the state-of-the-art technology currently employed in the mechanical recycling of plastic waste, focusing on the progress made for the removal of volatile organic compounds emitted from recycled materials. Followed by a review of the analytical techniques that have been applied for the identification of volatile organic compounds, including, in particular, the techniques used for the identification of odor-active substances. Finally, this review gathers from literature all the volatile organic compounds and odor-active substances identified in virgin and recycled polymers, aiming to evaluate whether there is a notable difference between them based on the chemical structure of the emitted VOCs. As a result, 437 volatiles were gathered, which show the difference between post-consumer recycled plastics and the other plastic waste sources. A larger number of volatile organic compounds, especially flavor and fragrances-based substances as well as oxygenates, appear in post-consumer plastic waste compared to virgin and post-industrial plastic scrap.
Sponsor: This work was supported by a grant from the University of Alicante as part of the InnoUA Transfer of Knowledge program and co-financed by Cadel Deinking (Industrial Doctorate).
URI: http://hdl.handle.net/10045/107846
ISSN: 2214-9937
DOI: 10.1016/j.susmat.2020.e00179
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2020 Elsevier B.V.
Peer Review: si
Publisher version: https://doi.org/10.1016/j.susmat.2020.e00179
Appears in Collections:INV - REMAN - Artículos de Revistas
INV - I4CE - Artículos de Revistas

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