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A Sustainable Approach to the Low-Cost Recycling of Waste Glass Fibres Composites towards Circular Economy

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  • Omid Zabihi

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Mojtaba Ahmadi

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Chao Liu

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Roya Mahmoodi

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Quanxiang Li

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Mahmoud Reza Ghandehari Ferdowsi

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

  • Minoo Naebe

    (Institute for Frontier Materials, Deakin University, Geelong, VIC 3220, Australia)

Abstract

For practical applications, both environmental and economic aspects are highly required to consider in the development of recycling of fibre reinforced polymers (FRPs) encountering their end-of-life. Here, a sustainable, low cost, and efficient approach for the recycling of the glass fibre (GF) from GF reinforced epoxy polymer (GFRP) waste is introduced, based on a microwave-assisted chemical oxidation method. It was found that in a one-step process using microwave irradiation, a mixture of hydrogen peroxide (H 2 O 2 ) as a green oxidiser and tartaric acid (TA) as a natural organic acid could be used to decompose the epoxy matrix of a waste GFRP up to 90% yield. The recycled GFs with ~92.7% tensile strength, ~99.0% Young’s modulus, and ~96.2% strain-to-failure retentions were obtained when compared to virgin GFs (VGFs). This short microwave irradiation time using these green and sustainable recycling solvents makes this a significantly low energy consumption approach for the recycling of end-of-life GFRPs.

Suggested Citation

  • Omid Zabihi & Mojtaba Ahmadi & Chao Liu & Roya Mahmoodi & Quanxiang Li & Mahmoud Reza Ghandehari Ferdowsi & Minoo Naebe, 2020. "A Sustainable Approach to the Low-Cost Recycling of Waste Glass Fibres Composites towards Circular Economy," Sustainability, MDPI, vol. 12(2), pages 1-10, January.
  • Handle: RePEc:gam:jsusta:v:12:y:2020:i:2:p:641-:d:309073
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    References listed on IDEAS

    as
    1. Yeou-Fong Li & Tseng-Hsing Hsu & Fu-Chr Hsieh, 2019. "A Study on Improving the Mechanical Behaviors of the Pultruded GFRP Composite Material Members," Sustainability, MDPI, vol. 11(3), pages 1-14, January.
    2. Zain Zaidi & Alan Crosky, 2019. "Unidirectional Rubber-Toughened Green Composites Based on PHBV," Sustainability, MDPI, vol. 11(8), pages 1-17, April.
    3. Swarda S. Radkar & Ali Amiri & Chad A. Ulven, 2019. "Tensile Behavior and Diffusion of Moisture through Flax Fibers by Desorption Method," Sustainability, MDPI, vol. 11(13), pages 1-10, June.
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    Cited by:

    1. Dominika Siwiec & Andrzej Pacana & Andrzej Gazda, 2023. "A New QFD-CE Method for Considering the Concept of Sustainable Development and Circular Economy," Energies, MDPI, vol. 16(5), pages 1-21, March.
    2. Furszyfer Del Rio, Dylan D. & Sovacool, Benjamin K. & Foley, Aoife M. & Griffiths, Steve & Bazilian, Morgan & Kim, Jinsoo & Rooney, David, 2022. "Decarbonizing the glass industry: A critical and systematic review of developments, sociotechnical systems and policy options," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).

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