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Catalytic depolymerization of polyester plastics toward closed-loop recycling and upcycling
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Researchers review catalytic depolymerization strategies for polyester plastics, examining how chemical catalysts can break down these materials into their monomer components to enable closed-loop recycling and the conversion of waste into higher-value products.
Catalytic depolymerization of polyester plastics toward closed-loop recycling and upcycling
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This study investigated microplastic distribution in coral reef sediments and reef-building coral tissues, documenting plastic particle accumulation in a biodiversity hotspot. The findings reveal that microplastics concentrate in reef systems and are ingested by corals, potentially interfering with filter feeding and causing tissue inflammation.
Chemical recycling of post-consumer polyester wastes using a tertiary amine organocatalyst
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Researchers developed a metal-free chemical recycling method using a common amine catalyst to break down PET and other polyesters from post-consumer plastic waste — including textiles and multilayer packaging — into reusable monomers with 100% yield. This technique offers a simpler, more efficient path to closing the plastic recycling loop.
Chemical recycling of polycarbonate and polyester without solvent and catalyst: mechanochemical methanolysis
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Solvent-free, catalyst-free mechanochemical methanolysis to chemically recycle polycarbonate and polyester.
Efficient catalytic upcycling of polyester and polycarbonate plastics using NNN-based iron catalyst
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Researchers developed an efficient catalytic system using an NNN-based iron pincer catalyst to depolymerize polyester and polycarbonate plastics via hydrogenative methods, enabling either methanolysis into ester monomers or transfer hydrogenation into value-added products. The system provides an eco-friendly alternative for chemical upcycling of plastic waste, addressing the significant environmental burden of polyester accumulation.
Advanced Catalytic Strategies for Plastic Depolymerization: Mechanistic Insights, Catalyst Engineering, and Sustainable Upcycling Pathways
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Researchers reviewed catalytic approaches to breaking down plastic waste — including homogeneous, heterogeneous, biocatalytic, photocatalytic, and plasma-assisted methods — cataloguing the mechanistic pathways, catalyst design strategies, and emerging technologies needed to convert polyethylene, polystyrene, PET, and polypropylene into reusable monomers and fuels.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.