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Recent Studies and Technologies in the Separation of Polyvinyl Chloride for Resources Recycling: A Systematic Review

Author

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  • Theerayut Phengsaart

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
    Applied Mineral and Petrology Research Unit (AMP RU), Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand)

  • Pongsiri Julapong

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
    Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University, Songkhla 90110, Thailand)

  • Chaiwat Manositchaikul

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand)

  • Palot Srichonphaisarn

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand)

  • Monthicha Rawangphai

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand)

  • Onchanok Juntarasakul

    (Department of Mining and Petroleum Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand)

  • Kosei Aikawa

    (Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan)

  • Sanghee Jeon

    (Department of Earth Resource Engineering and Environmental Science, Faculty of International Resources Science, Akita University, Akita 010-0865, Japan)

  • Ilhwan Park

    (Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan)

  • Carlito Baltazar Tabelin

    (Department of Materials and Resources Engineering Technology, College of Engineering, Mindanao State University—Iligan Institute of Technology, Iligan City 9200, Philippines
    Resource Processing and Technology Center, Research Institute of Engineering and Innovative Technology (RIEIT), Mindanao State University—Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Mayumi Ito

    (Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan)

Abstract

Material recycling and thermal treatment are the two most common recycling methods employed for plastic waste management. Thermal treatment for energy recovery is more widely applied compared with material recycling because the latter requires a high efficiency of separation and a high purity of products. Unfortunately, certain plastics like polyvinyl chloride (PVC) are unsuitable for thermal treatment because they contain additives like chloride (Cl − ) that have adverse effects on refractory materials used in boilers. As a result of this, mixed plastic wastes containing PVC generally end up in landfills. PVC-bearing mixed plastics, however, remain valuable resources as championed by the United Nation Sustainable Development Goals (UN-SDGs): Goal 12 “Responsible production and consumption”, and their recycling after the removal of PVC is important. In this paper, recent studies (2012–2021) related to the separation of PVC from other types of plastics were systematically reviewed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A total of 66 articles were selected, reviewed, and summarized. The results showed that various separation technologies conventionally applied to mineral processing—selective comminution, gravity separation, magnetic separation, electrical separation, and flotation—have been studied for PVC separation, and the majority of these works (>60%) focused on flotation. In addition, more advanced technologies including sorting and density-surface-based separation were introduced between 2019 and 2021.

Suggested Citation

  • Theerayut Phengsaart & Pongsiri Julapong & Chaiwat Manositchaikul & Palot Srichonphaisarn & Monthicha Rawangphai & Onchanok Juntarasakul & Kosei Aikawa & Sanghee Jeon & Ilhwan Park & Carlito Baltazar , 2023. "Recent Studies and Technologies in the Separation of Polyvinyl Chloride for Resources Recycling: A Systematic Review," Sustainability, MDPI, vol. 15(18), pages 1-21, September.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:18:p:13842-:d:1241966
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    References listed on IDEAS

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    1. Coralie Jehanno & Jill W. Alty & Martijn Roosen & Steven Meester & Andrew P. Dove & Eugene Y.-X. Chen & Frank A. Leibfarth & Haritz Sardon, 2022. "Critical advances and future opportunities in upcycling commodity polymers," Nature, Nature, vol. 603(7903), pages 803-814, March.
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