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Mechanical Recycling of Thermoplastics: A Review of Key Issues

Author

Listed:
  • Alae Lamtai

    (Center for Innovation in Technological Eco-Design (CITE), University of Sherbrooke, Sherbrooke, QC J1K2R1, Canada
    Research Center for High Performance Polymer and Composite Systems, CREPEC, Montreal, QC H3A 0C3, Canada)

  • Said Elkoun

    (Center for Innovation in Technological Eco-Design (CITE), University of Sherbrooke, Sherbrooke, QC J1K2R1, Canada
    Research Center for High Performance Polymer and Composite Systems, CREPEC, Montreal, QC H3A 0C3, Canada)

  • Mathieu Robert

    (Center for Innovation in Technological Eco-Design (CITE), University of Sherbrooke, Sherbrooke, QC J1K2R1, Canada
    Research Center for High Performance Polymer and Composite Systems, CREPEC, Montreal, QC H3A 0C3, Canada)

  • Frej Mighri

    (Research Center for High Performance Polymer and Composite Systems, CREPEC, Montreal, QC H3A 0C3, Canada
    Department of Chemical Engineering, Laval University, Quebec, QC G1V0A6, Canada)

  • Carl Diez

    (SOLENO Inc., 1160 QC-133, Saint-Jean-sur-Richelieu, QC J2X 4B6, Canada)

Abstract

During the last decade, the consumption of plastics has increased highly in parallel with plastic waste. The transition towards a circular economy is the only way to prevent the environment from landfilling and incineration. This review details the recycling techniques with a focus on mechanical recycling of polymers, which is the most known and developed technique in industries. The different steps of mechanical recycling have been highlighted, starting from sorting technologies to the different decontamination processes. This paper covers degradation mechanisms and ways to improve commodity polymers (Polyolefins), engineering polymers (PET, PA6), and bio-sourced polymers (PLA and PHB).

Suggested Citation

  • Alae Lamtai & Said Elkoun & Mathieu Robert & Frej Mighri & Carl Diez, 2023. "Mechanical Recycling of Thermoplastics: A Review of Key Issues," Waste, MDPI, vol. 1(4), pages 1-24, October.
    • Handle: RePEc:gam:jwaste:v:1:y:2023:i:4:p:50-883:d:1253482
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