Plasma degradation of contaminated PPE: an energy-efficient method to treat contaminated plastic waste

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Fältnamn	Indikatorer	Metadata
000		03463naa a2200397 4500
001		oai:DiVA.org:uu-502656
003		SwePub
008		230531s2023 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5026562 URI
024	7	a https://doi.org/10.1038/s41529-023-00350-92 DOI
040		a (SwePub)uu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Tobias, Mariano Marcou Heriot Watt Univ, Sch Engn & Phys Sci, Chem Engn, Edinburgh EH14 4AS, Scotland.4 aut
245	1 0	a Plasma degradation of contaminated PPE :b an energy-efficient method to treat contaminated plastic waste
264	1	b Springer Nature,c 2023
338		a electronic2 rdacarrier
520		a The use of PPE has drastically increased because of the SARS-CoV-2 (COVID-19) pandemic as disposable surgical face masks made from non-biodegradable polypropylene (PP) polymers have generated a significant amount of waste. In this work, a low-power plasma method has been used to degrade surgical masks. Several analytical techniques (gravimetric analysis, scanning electron microscopy (SEM), attenuated total reflection-infra-red spectroscopy (ATR-IR), x-ray photoelectron spectroscopy (XPS), thermogravimetric analysis/differential scanning calorimetry (TGA/DSC) and wide-angle x-ray scattering (WAXS)) were used to evaluate the effects of plasma irradiation on mask samples. After 4 h of irradiation, an overall mass loss of 63 +/- 8%, through oxidation followed by fragmentation, was observed on the non-woven 3-ply surgical mask, which is 20 times faster than degrading a bulk PP sample. Individual components of the mask also showed different degradation rates. Air plasma clearly represents an energy-efficient tool for treating contaminated PPE in an environmentally friendly approach.
650	7	a TEKNIK OCH TEKNOLOGIERx Kemiteknik0 (SwePub)2042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Chemical Engineering0 (SwePub)2042 hsv//eng
650	7	a TEKNIK OCH TEKNOLOGIERx Nanoteknik0 (SwePub)2102 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Nano-technology0 (SwePub)2102 hsv//eng
653		a Teknisk fysik med inriktning mot nanoteknologi och funktionella material
653		a Engineering Science with specialization in Nanotechnology and Functional Materials
700	1	a Åhlén, Michelleu Uppsala universitet,Nanoteknologi och funktionella material4 aut0 (Swepub:uu)micah729
700	1	a Cheung, Oceanu Uppsala universitet,Nanoteknologi och funktionella material4 aut0 (Swepub:uu)ocech274
700	1	a Bucknall, David G.u Heriot Watt Univ, Sch Engn & Phys Sci, Inst Chem Sci, Edinburgh EH14 4AS, Scotland.4 aut
700	1	a McCoustra, Martin R. S.u Heriot Watt Univ, Sch Engn & Phys Sci, Inst Chem Sci, Edinburgh EH14 4AS, Scotland.4 aut
700	1	a Yiu, Humphrey H. P.u Heriot Watt Univ, Sch Engn & Phys Sci, Chem Engn, Edinburgh EH14 4AS, Scotland.4 aut
710	2	a Heriot Watt Univ, Sch Engn & Phys Sci, Chem Engn, Edinburgh EH14 4AS, Scotland.b Nanoteknologi och funktionella material4 org
773	0	t NPJ MATERIALS DEGRADATIONd : Springer Natureg 7:1q 7:1x 2397-2106
856	4	u https://uu.diva-portal.org/smash/get/diva2:1760904/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-502656
856	4 8	u https://doi.org/10.1038/s41529-023-00350-9

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Av författaren/redakt...: Tobias, Mariano ...; Åhlén, Michelle; Cheung, Ocean; Bucknall, David ...; McCoustra, Marti ...; Yiu, Humphrey H. ...

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