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Title:Magnetic extraction of weathered tire wear particles and polyethylene microplastics
Authors:ID Budhiraja, Vaibhav (Author)
ID Mušič, Branka (Author)
ID Kržan, Andrej (Author)
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Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:Magnetic extraction offers a rapid and low-cost solution to microplastic (MP) separation, in which we magnetize the hydrophobic surface of MPs to separate them from complex environmental matrices using magnets. We synthesized a hydrophobic Fe-silane based nanocomposite (Fe@SiO2/MDOS) to separate MPs from freshwater. Pristine and weathered, polyethylene (PE) and tire wear particles (TWP) of different sizes were used in the study. The weathering of MPs was performed in an accelerated weathering chamber according to ISO 4892-2:2013 standards that mimic natural weathering conditions. The chemical properties and morphology of the Fe@SiO2/MDOS, PE and TWP were confirmed by Fourier transform infrared spectroscopy and Scanning electron microscopy, respectively. The thermal properties of PE and TWP were evaluated by Thermogravimetric analysis. Using 1.00 mg of Fe@SiO2/MDOS nanocomposite, 2.00 mg of pristine and weathered PE were extracted from freshwater; whereas, using the same amount of the nanocomposite, 7.92 mg of pristine TWP and 6.87 mg of weathered TWP were extracted. The retrieval of weathered TWP was 13% less than that of pristine TWP, which can be attributed to the increasing hydrophilicity of weathered TWP. The results reveal that the effectiveness of the magnetic separation technique varies among different polymer types and their sizes; the weathering of MPs also influences the magnetic separation efficiency.
Keywords:degradation, magnetic separation, microplastics, polyethylene, tire wear particles, open access
Publication status:Published
Publication version:Version of Record
Publication date:29.11.2022
Publisher:Molecular Diversity Preservation International
Year of publishing:2022
Number of pages:str. 1-14
Numbering:Vol. 14, iss. 23
PID:20.500.12556/DiRROS-16090 New window
UDC:620.1/.2:67.017
ISSN on article:2073-4360
DOI:10.3390/polym14235189 New window
COBISS.SI-ID:136982531 New window
Copyright:© 2022 by the authors. Licensee MDPI, Basel, Switzerland.
Note:Nasl. z nasl. zaslona; Opis vira z dne 10. 1. 2023; Št. članka: 5189;
Publication date in DiRROS:03.05.2023
Views:1029
Downloads:755
Metadata:XML DC-XML DC-RDF
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BUDHIRAJA, Vaibhav, MUŠIČ, Branka and KRŽAN, Andrej, 2022, Magnetic extraction of weathered tire wear particles and polyethylene microplastics. Polymers [online]. 2022. Vol. 14, no. 23, p. 1–14. [Accessed 7 April 2025]. DOI 10.3390/polym14235189. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=16090
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Record is a part of a journal

Title:Polymers
Shortened title:Polymers
Publisher:Molecular Diversity Preservation International
ISSN:2073-4360
COBISS.SI-ID:517951257 New window

Document is financed by a project

Funder:EC - European Commission
Funding programme:H2020
Project number:860720
Name:Microplastics in Europe's freshwater ecosystems: From sources to solutions
Acronym:LimnoPlast
Funder:ARRS - Slovenian Research Agency
Project number:P2-0273
Name:Gradbeni objekti in materiali
Funder:ARRS - Slovenian Research Agency
Project number:J1-2482
Name:Vpliv okoljsko relevantne nano- in mikro-plastike na kopenske nevretenčarje

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:degradacija, magnetno ločevanje, mikroplastika, polietilen, delci obrabe pnevmatik, odprti dostop


Files

URL https://www.mdpi.com/2073-4360/14/23/5189
Source URL
.pdf RAZ_Budhiraja_Vaibhav_2022.pdf
Presentation file - 1,97 MB
MD5: D2169C18594F3B4F48B745B2F1D1C320
.pdf RAZ_Budhiraja_Vaibhav_2022.pdf
Supplement - 133,71 KB
MD5: CF0496987985FE6A704539619088EC61
.mov RAZ_Budhiraja_Vaibhav_2022.MOV
Video - 24,79 MB
MD5: C707DBFC81AEF3A6F0AC5632738805DC
.mov RAZ_Budhiraja_Vaibhav_2022.MOV
Video - 26,35 MB
MD5: 141095C41577FE68095E01EFE89480C4
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