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Recycling Carbon Resources from Waste PET to Reduce Carbon Dioxide Emission: Carbonization Technology Review and Perspective
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This review summarized carbonization technologies for converting waste PET plastic into valuable carbon materials, offering a strategy to reduce carbon dioxide emissions while recycling plastic resources in alignment with carbon neutrality goals.
Greenhouse gas emissions from waste plastics have caused global warming all over the world, which has been a central threat to the ecological environment for humans, flora and fauna. Among waste plastics, waste polyethylene terephthalate (PET) is attractive due to its excellent stability and degradation-resistant. Therefore, merging China’s carbon peak and carbon neutrality goals would be beneficial. In this review, we summarize the current state-of-the-art of carbon emission decrease from a multi-scale perspective technologically. We suggest that the carbon peak for waste PET can be achieved by employing the closed-loop supply chain, including recycling, biomass utilization, carbon capture and utilization. Waste PET can be a valuable and renewable resource in the whole life cycle. Undoubtedly, all kinds of PET plastics can be ultimately converted into CO2, which can also be feedstock for various kinds of chemical products, including ethyl alcohol, formic acid, soda ash, PU, starch and so on. As a result, the closed-loop supply chain can help the PET plastics industry drastically reduce its carbon footprint.
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This review covers the carbonization of plastic waste—including PE, PP, PS, and PET—as a pathway for recycling and renewable energy generation. The first installment focuses on the morphology, structure, and physicochemical properties of the resulting carbonized products.
Lightweight Carbon Foam obtained from post-use Polyehylene Terephthalate bottles and potential applications
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Researchers developed a lightweight carbon foam from post-consumer PET bottles through carbonization, demonstrating a viable way to upcycle plastic waste into a valuable material with potential applications in filtration and thermal insulation.
[Research progress on the feasibility of carbonization treatment for addressing plastic residual pollution].
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This review examines emerging carbonization technologies as alternatives to traditional plastic waste disposal methods like landfilling and incineration. Researchers found that techniques such as co-thermal decomposition and hydrothermal carbonization can convert plastic waste into valuable carbon materials like biochar, which can then be used for microplastic adsorption and soil remediation. The study notes that challenges including unclear reaction mechanisms and high energy costs still hinder large-scale application.
A Revision for the Different Reuses of Polyethylene Terephthalate (PET) Water Bottles
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This review examined different strategies for reusing polyethylene terephthalate (PET) water bottles, highlighting their significant carbon footprint and waste generation while exploring sustainable recycling and repurposing approaches to reduce plastic pollution.
Lightweight carbon foam obtained from post-use polyethylene terephthalate bottles, properties, and potential applications
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Researchers synthesized lightweight carbon foam from post-consumer PET plastic bottles via a controlled carbonization process, characterizing the foam's physical and chemical properties and exploring its potential as a value-added material from plastic waste recycling.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.