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Pyrolysis of waste surgical masks into liquid fuel and its life-cycle assessment

Authors
Li, ChaoYuan, XiangzhouSun, ZiyingSuvarna, ManuHu, XunWang, XiaonanOk, Yong Sik
Issue Date
2월-2022
Publisher
ELSEVIER SCI LTD
Keywords
Waste management; Waste-to-energy; Upcycling; Environmental sustainability; Plastic pollution; COVID-19
Citation
BIORESOURCE TECHNOLOGY, v.346
Indexed
SCIE
SCOPUS
Journal Title
BIORESOURCE TECHNOLOGY
Volume
346
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/137511
DOI
10.1016/j.biortech.2021.126582
ISSN
0960-8524
Abstract
Pyrolysis of the middle layer of a surgical mask (MLM) and inner and outer layers of a surgical mask (IOM) was performed to assess their potential valorization as waste-to-energy feedstocks, and the characteristics of the resulting products were investigated. Pyrolysis of the main organics in waste surgical masks occurred at a very narrow temperature range of 456-466 degrees C. The main product was carbon-rich and oxygen-deficient liquid oil with a high heating value (HHV) of 43.5 MJ/kg. From the life-cycle perspective, environmental benefits and advantages of this upcycling approach were verified compared with conventional waste management approaches. This study advocated the potential application of waste surgical masks as feedstocks for fuels and energy, which is beneficial to mitigate plastic pollution and achieve sustainable plastic waste-to-energy upcycling, simultaneously.
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College of Life Sciences and Biotechnology > Division of Environmental Science and Ecological Engineering > 1. Journal Articles

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