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Closing the loop on plastic packaging materials: What is quality and how does it affect their circularity?

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Closing materials loops for a circular economy (CE) is challenging due to technicalities in recovering materials, components, and products (MCPs). Understanding MCP quality throughout the supply chain is crucial for effective recycling and achieving CE goals.

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Area of Science:

  • Materials Science
  • Environmental Science
  • Supply Chain Management

Background:

  • Achieving a circular economy (CE) necessitates closing materials loops, but technical challenges in recovering materials, components, and products (MCPs) hinder progress.
  • The remaining functionality, or quality, of MCPs is critical for their reuse, recycling, or recovery, yet this aspect is often overlooked.
  • Current efforts to improve plastic packaging circularity face limitations due to a lack of integrated systemic thinking.

Purpose of the Study:

  • To analyze how the perceived quality of MCPs, specifically plastic packaging, influences their recycling potential across different supply chain stages.
  • To identify opportunities and constraints associated with interventions aimed at enhancing plastic packaging circularity.
  • To highlight the need for integrated research combining systemic thinking, technological innovation, and policy reform for sustainable CE practices.

Main Methods:

  • Qualitative analysis of MCP quality perception at various supply chain junctures.
  • Review of current interventions in the plastic packaging system for circularity.
  • Literature synthesis on systemic thinking, technological innovation, and policy in CE.

Main Results:

  • The perception of MCP quality varies significantly across the supply chain, impacting recycling efficacy.
  • Existing interventions for plastic packaging circularity present both opportunities and significant constraints.
  • A disconnect exists between technical recovery capabilities and the desired economic recirculation of MCPs.

Conclusions:

  • Effective CE requires a holistic approach that considers MCP quality from production to end-of-life.
  • Technological and policy interventions must be strategically integrated to overcome current limitations in plastic packaging recycling.
  • Future research should focus on systemic solutions that bridge the gap between material recovery and sustainable economic reintegration.