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Recent advances in chemical upcycling of plastic waste: microwave-assisted heating and heterogeneous catalysis
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Researchers review how microwave-assisted heterogeneous catalysis can rapidly and energy-efficiently convert waste plastics into fuels, monomers, and commodity chemicals, offering a promising chemical upcycling pathway to recover value from plastic waste.
Microwave-assisted heterogeneous catalysis enables rapid, energy efficient conversion of waste plastics to value-added fuels, monomers and commodity chemicals.
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Chemical Recycling of Plastics by Microwave‐Assisted High‐Temperature Pyrolysis
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Researchers developed a microwave-assisted high-temperature pyrolysis method that continuously breaks down mixed plastic waste and plant oil into useful chemicals like ethylene and propylene. This chemical recycling approach could help divert plastic waste from the environment while producing renewable building blocks for new materials.
Microwave-Assisted Catalytic Pyrolysis of Waste Plastics for High-Value Resource Recovery: A Comprehensive Review
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Microwave-assisted catalytic pyrolysis offers uniform, rapid heating that reduces processing time and energy consumption compared to conventional pyrolysis, enabling efficient conversion of waste plastics into pyrolysis oil, hydrogen gas, and solid carbon. This technology presents a high-value pathway for managing the growing global plastic waste crisis by recovering usable resources rather than landfilling or incinerating plastic.
Production of combustible fuels and carbon nanotubes from plastic wastes using an in-situ catalytic microwave pyrolysis process
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Researchers developed an in-situ catalytic microwave pyrolysis process using ZSM-5 catalyst to convert plastic waste into hydrogen, liquid fuel, and carbon nanotubes, demonstrating a promising route for both energy recovery and valuable material production from plastic pollution.
Rapid activation of microplastics by microwave heating in an aqueous phase: A novel approach for enhanced plastic recycling
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Microwave heating was used to rapidly activate microplastics by partial oxidation, enhancing their subsequent degradation in catalytic wet peroxide oxidation (CWPO) processes. Graphite particles and hydrogen peroxide during microwave treatment boosted MP reactivity, with aliphatic plastics activating more effectively than aromatic ones.
Recent advances in chemical recycling and upcycling of plastic waste into valuable materials, chemicals, and energy: a comprehensive review
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A comprehensive review cataloged advanced chemical recycling and upcycling pathways—including pyrolysis, gasification, hydrocracking, and solvolysis—capable of transforming mixed plastic waste streams into circular high-value chemicals, fuels, and energy carriers. These technologies are directly relevant to microplastic pollution research because scaling chemical recycling reduces the volume of plastic that degrades into environmental microplastics, addressing the problem at the source.
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