17. Jan 2024

Luminy® recycled PLA Life Cycle Assessment released

Luminy® recycled PLA Life Cycle Assessment released

TotalEnergies Corbion (Gorinchem, Netherlands) has just published the Life Cycle Assessment (LCA) for recycled Luminy® PLA, titled Life Cycle Assessment of PLA through Advanced Recycling - Utilizing Waste Streams as Feedstock for a Biobased Polyester.

The study concludes that the advanced recycling of PLA as a production process has a lower impact compared to its production from virgin feedstock. Specifically, the Global Warming Potential (GWP) of Luminy 30 % rPLA, considering its biogenic carbon content, is 0.19 kgCO2/kg of PLA, whereas virgin Luminy PLA emits 0.51 kgCO2/kg of PLA.

In this report, seven impact categories were considered, including GWP, water consumption, and land use. Luminy recycled PLA, integrating 20 % and 30 % recycled content, significantly mitigates impacts across these categories compared to virgin PLA, illustrating the environmental benefits of this pioneering recycling methodology over traditional virgin production.

The company’s assessment highlights the importance of considering the temporary carbon storage in products which is key for biobased materials. By analyzing the carbon cycle for both biobased and fossil-based products, the report emphasizes the role of biogenic carbon content in PLA. Recycling PLA allows a longer storage of this biogenic carbon which is originally from the atmosphere. Notably, when factoring in biogenic carbon content, the GWP of 30 % recycled PLA is reduced by 300 kgCO2/tPLA compared to virgin PLA, marking a significant step towards achieving global climate targets.

Maelenn Ravard, Regulatory and Sustainability Manager at TotalEnergies Corbion, underscores the significance of advanced recycling, stating, "Depolymerizing PLA via hydrolysis is an energy-efficient process allowing us to close the loop and increase circularity for a biobased material. The LCA results only confirm this statement".

LCAs evaluate a product's environmental impact across a defined life scope. The company’s new comprehensive analysis showcases results for the production stage of the material which can further be completed by the other stages of the material life cycle. Recycling biobased materials has many advantages including a reduced carbon footprint, the avoidance of agricultural impact, and a sustainable end-of-life.

Concurrent with the LCA results, TotalEnergies Corbion's recent announcement of its alignment with the United Nations Global Compact initiative reaffirms its commitment to sustainability. This collaboration further reinforces the company's adherence to universal sustainability principles, actively supporting the UN's Sustainable Development Goals through responsible production practices and collaborative initiatives across its value chain.

To read the Life Cycle Assessment of PLA through Advanced Recycling - Utilizing Waste Streams as Feedstock for a Biobased Polyester, follow the link below. AT


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