Cited by 78Microplastics and Plastic PollutionWaste Management and RecyclingPolymer crystallization and properties

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.

Evaluating the generation of microplastics from an unlikely source: The unintentional consequence of the current plastic recycling process

Open access
Stapleton, Michael J., Ansari, Ashley J., Ahmed, Aziz, Hai, Faisal I.·2023·Science of The Total Environment

Abstract

This study casts light on the potential of microplastic generation during plastic recycling – an unintended consequence of the process. To date, microplastics have been detected in the wastewater and sludge from plastic recycling facilities; however, generation pathways, factors and minimisation strategies are understudied. The purpose of this study is to identify the factors affecting microplastic generation, namely, plastic type and weathering conditions. The size reduction phase, which involved the mechanical shredding of the plastic waste material, was identified to be the predominate source of microplastic generation. Material type was found to significantly affect microplastic generation rates. Focussing on the microplastic particles in the size range of 0.212–1.18 mm, polycarbonate (PC), polyethylene terephthalate (PET), polypropylene (PP), and high-density polyethylene (HDPE) generated 28,600 ± 3961, 21,093 ± 2211, 18,987 ± 752 and 6807 ± 393 particles/kg of plastic material shredded, respectively. The significant variations between different plastic types were correlated (R2 = 0.8808) to the hardness of the plastic. Environmental weathering was observed to significantly affect microplastic generation rates. Generation rates increased for PC, PET, PP, and HDPE by 185.05 %, 159.80 %, 123.70 % and 121.74 %, respectively, over a six-month environmental exposure period. The results in this study confirm production of large amounts of microplastics from the plastic recycling industry through its operational processes, which may be a significant source for microplastic pollution if measures to reduce their production and removal from wastewater and sludge are not considered.

Overview

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Crossref · 10.1016/j.scitotenv.2023.166090

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45 of 45 references verified0 citation errors · 0 not checkable

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Research works printed but not linked: 3

  1. Eskandarsefat, 2022, Chapter 8 - fatigue resistance of waste plastic-modified asphalt, 145
  2. Ma, 2016, Chapter 19 - glossary for unconventional oil and gas resource evaluation and development, 513
  3. Sebastian, 2021, Chapter 13 - Plastic recycling and regeneration, 339

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Metadata

Authors
Stapleton, M. J., Ansari, A. J., Ahmed, A., & Hai, F. I.
Affiliations
University of Wollongong (AU)
Corresponding author
Hai, Faisal I.
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2023-12
Volume
902
Pages
166090
ISSN
0048-9697 (ISSN-L)
OpenAlex
W4385612647
Cited by
64
References
45
Citations by year
2026: 17 · 2025: 22 · 2024: 22 · 2023: 3
FWCI
4.26
Type
journal article
Language
en
Open access
Locations
  • The Science of The Total Environment (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • OPUS - Open Publications of UTS Scholars (University of Technology Sydney) (submittedVersion, other-oa)
  • Research Online (University of Wollongong) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
University of Wollongong
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Waste Management and Recycling
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
Keywords
microplastics, plastic recycling, mechanical shredding, plastic types, natural weathering, polycarbonate, polyethylene terephthalate, polypropylene, high-density polyethylene, microplastic pollution

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