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Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

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Management practices for compostable plastic packaging waste: Impacts, challenges and recommendations.

Jorge Cristóbal¹, Paola Federica Albizzati¹, Michele Giavini²

¹Joint Research Centre of the European Commission, Directorate D - Sustainable Resources, Unit D3 - Land Resources and Supply Chain Assessment, Via E. Fermi 2749, 21027 Ispra, VA, Italy.

Waste Management (New York, N.Y.)

|August 16, 2023

Summary

This summary is machine-generated.

Collecting compostable plastic packaging (CPP) with conventional plastics and recycling offers the best environmental and economic benefits. However, current low volumes limit overall advantages, suggesting simpler management criteria are needed.

Keywords:

Bio-waste Collection Compostable plastic LCA LCC Recycling Treatment

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Area of Science:

Environmental Science
Waste Management
Circular Economy

Background:

The EU Green Deal seeks solutions for plastic production and pollution challenges.
Bioplastics are a potential solution, but their waste management lacks harmonization.
Effective collection and management of compostable plastic packaging (CPP) are crucial.

Purpose of the Study:

To quantify the environmental and economic impacts of different CPP waste management schemes.
To inform policymakers on the feasibility of various CPP management strategies.
To identify optimal practices for CPP waste handling.

Main Methods:

Life Cycle Assessment (LCA) to evaluate environmental impacts.
Life Cycle Costing (LCC) to assess economic implications.
Comparative analysis of distinct CPP waste management scenarios.

Main Results:

Collecting CPP with conventional plastics, followed by mechanical sorting and recycling, yields the highest benefits (approx. 306 kg CO2eq. t-1 saved, net income of 3.7 EUR t-1).
Collecting CPP with bio-waste and biological treatment is the second-best option (approx. 69 kg CO2eq. t-1 saved, cost of 197 EUR t-1).
Collecting CPP with conventional plastics for biological treatment is strongly discouraged due to negative impacts.

Conclusions:

Closed-loop systems are ideal but depend on CPP volume, citizen participation, and secondary material markets.
Current low volumes of CPP mean management choices should prioritize technical and economic feasibility.
Focusing regulatory and management efforts on higher-impact waste streams may be more effective currently.