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Determination of a recyclability index for the PET glycolysis

Author

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  • Barboza, E.S.
  • Lopez, D.R.
  • Amico, S.C.
  • Ferreira, C.A.

Abstract

The recycling of plastics by depolymerization brings environmental and energetic benefits. This work seeks to determine a recyclability index (RI) via comparative analysis considering costs and energy consumption in the chemical recycling of poly(ethylene terephthalate) (PET) by glycolysis with propylene glycol without catalysts, and in the production of unsaturated polyester (UP) with ortophthalic anhydride. The analysis was carried out combining theory and experimental data from an actual industrial operation plant. Mass balance, energy balance and economic analyses were carried out. The properties of the final UP resin obtained via both routes were comparable. The results indicate that the glycolysis of PET can be viable for an incorporation of up to 35% of recycled PET in the UP resin formulation.

Suggested Citation

  • Barboza, E.S. & Lopez, D.R. & Amico, S.C. & Ferreira, C.A., 2009. "Determination of a recyclability index for the PET glycolysis," Resources, Conservation & Recycling, Elsevier, vol. 53(3), pages 122-128.
    • Handle: RePEc:eee:recore:v:53:y:2009:i:3:p:122-128
    DOI: 10.1016/j.resconrec.2008.10.002
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    References listed on IDEAS

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    1. McBean, E.A. & Rosso, E. del & Rovers, F.A., 2005. "Improvements in financing for sustainability in solid waste management," Resources, Conservation & Recycling, Elsevier, vol. 43(4), pages 391-401.
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    Cited by:

    1. Coelho, T.M. & Castro, R. & Gobbo, J.A., 2011. "PET containers in Brazil: Opportunities and challenges of a logistics model for post-consumer waste recycling," Resources, Conservation & Recycling, Elsevier, vol. 55(3), pages 291-299.
    2. Komly, Claude-Emma & Azzaro-Pantel, Catherine & Hubert, Antoine & Pibouleau, Luc & Archambault, Valérie, 2012. "Multiobjective waste management optimization strategy coupling life cycle assessment and genetic algorithms: Application to PET bottles," Resources, Conservation & Recycling, Elsevier, vol. 69(C), pages 66-81.

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