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Conversion of waste plastics into value-added carbon materials
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Researchers reviewed strategies for converting waste plastics into value-added carbon nanomaterials — including carbon nanotubes, graphene, and porous carbon — covering pretreatment approaches and carbonization methods applicable to a wide range of polymer types within a circular economy framework.
Plastic pollution is a major environmental issue worldwide, calling for advanced methods to recycle waste plastics in the context of the circular economy. Here we review methods and strategies to convert waste plastics into value-added carbon materials, with focus on sources, properties, pretreatment of waste plastics, and on preparation of carbon materials. Pretreatment techniques include mechanical crushing, plastic stabilization and electrospinning. Carbon materials such as carbon nanotubes, graphene, carbon nanosheets, carbon spheres and porous carbon are prepared by oxygen-limited carbonization, catalytic carbonization, the template-based method, and pressure carbonization. We emphasize the conversion of polyethene terephthalate, polyethylene, polypropylene, polystyrene, halogenated plastics, polyurethane and mixed plastics.
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This review examines strategies for converting waste plastics into carbon nanomaterials including nanotubes, graphene, and porous carbon, highlighting how different plastic structures influence the resulting carbon products and offering a promising approach to reduce plastic pollution.
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Researchers investigated synthesizing useful carbon nanomaterials from waste plastic feedstocks, converting polymer trash into high-value nano-carbons that could be used in industrial applications. The approach addresses plastic waste while simultaneously creating economically valuable materials.
From Waste to Worth: Upcycling Plastic into High-Value Carbon-Based Nanomaterials
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This study reviewed innovative methods for converting plastic waste into high-value carbon-based nanomaterials like graphene and carbon nanotubes. Researchers examined several techniques including pyrolysis, chemical vapor deposition, and flash joule heating, finding that thermal decomposition is currently the most scalable approach for industrial applications. The study suggests that turning plastic waste into advanced materials could help address pollution while also creating economically valuable products.
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Researchers produced carbon nanotubes from real-world waste plastics through pyrolysis, characterizing the thermal decomposition behavior of mixed plastic waste and demonstrating a valuable upcycling pathway for plastic pollution.
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Review of four methods to upcycle plastic waste into carbon nanomaterials (nanotubes, graphene, nanofibers).
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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.