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From Plastic Waste to Treasure: Selective Upcycling through Catalytic Technologies
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Researchers review recent advances in catalytic technologies—including thermocatalysis, electrocatalysis, and photocatalysis—for upcycling plastic waste into valuable chemicals, highlighting how selective bond activation can convert what would otherwise be waste into high-value products.
Abstract The huge amount of plastic wastes has become a pressing global environmental problem, leading to severe environmental pollution and resource depletion through conventional downcycling technologies like incineration and landfilling. In contrast, selective upcycling of various plastics offers a promising solution for converting waste plastics into valuable products. This review provides a comprehensive overview of the recent advancements in innovative catalytic technologies, including thermocatalysis, electrocatalysis, and photocatalysis. Special emphasis is placed on elucidating the reaction mechanisms, activating designated chemical bonds for high selectivity, and elaborating the above techniques in terms of reaction conditions and products. Finally, the application prospects and future development trends in plastic catalysis are discussed, providing valuable insights for realizing a sustainable circular plastic economy.
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Researchers review how renewable energy-driven technologies — photocatalysis, electrocatalysis, and their combination — can convert waste plastics into valuable chemicals and fuels, offering a pathway to transform the plastic economy from a linear to a circular model.
Electrocatalytic upcycling of plastic waste: Progress, challenges, and future
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This review surveys electrocatalytic upcycling as a strategy to convert plastic waste into high-value chemicals under mild conditions, examining the mechanisms and structure-activity relationships of electrocatalysts across different plastic types and highlighting advantages over conventional incineration and landfill disposal in terms of efficiency and resource recovery.
Photocatalytic Upcycling of Plastic Waste: Mechanism, Integrating Modus, and Selectivity
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This review examines how photocatalysis, a process that uses light energy to drive chemical reactions, can transform plastic waste into useful products under mild and environmentally friendly conditions. Researchers compared photocatalytic approaches with other methods like heat-based and electrical catalysis, and explored how different experimental setups influence what end products are created. The study suggests that photocatalytic upcycling of plastics is a promising green technology, though challenges remain in improving efficiency and selectivity.
Chemical Recycling and Upcycling of Waste Plastics: A Review
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Researchers reviewed chemical recycling and upcycling technologies for plastic waste, concluding that these approaches — including pyrolysis, gasification, and solvolysis — offer more effective and scalable solutions than landfilling or incineration by recovering valuable feedstocks from otherwise difficult-to-recycle polymers.
Catalysis for the Upcycling of Polymers
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This review surveys catalytic strategies — including heterogeneous, biocatalytic, and electrochemical approaches — for breaking down waste plastics into high-value chemicals and raw materials, presenting an overview of how these upcycling technologies address the growing challenge of plastic waste disposal and resource recovery.
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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.