Self-sufficient hydrogen transfer integrates plastic upcycling with biomass valorization

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ID: 327148
2026
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Abstract
Abstract Waste plastics and biomass represent abundant renewable carbon resources, yet both remain underutilized due to inefficient recycling and valorization strategies. Here, we present a stoichiometrically self-sufficient hydrogen-transfer platform that directly integrates the valorization of oxygenated plastics with the reductive upgrading of biomass derivatives without external hydrogen or reductants. A bifunctional RuPd catalyst supported on rutile mediates selective hydrogen transfer from plastics, such as polyethylene terephthalate (PET), polylactic acid (PLA), and polyoxymethylene (POM), to biomass-derived substrates such as levulinic acid (LA) and guaiacol. Under mild aqueous conditions, the system delivers γ-valerolactone (86%) and terephthalic acid (95%) with high selectivity, a diverse substrate scope, and robust compatibility with real waste streams. Life cycle assessment across multiple functional units demonstrates consistent environmental benefits over conventional routes, including 21–41% lower greenhouse-gas emissions together with reduced resource scarcity and ecosystem-quality impacts. This self-sufficient hydrogen-transfer strategy establishes a modular synthesis platform that unifies plastic upcycling, hydrogen generation, and biomass valorization within a single catalytic system, providing a blueprint for advanced synthetic refineries powered by the complementary reactivity of waste-derived feedstocks.
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Authors Shaoyu Zhang, Binghui Yan, Yu Liu, Hongshen Wang, Yunkai Yu, Jiaqi Lu, Jiating Zhao, Weixiang Wu, Xinqiang Liang, Qingqing Mei
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Journal national science review
Year 2026
DOI
10.1093/nsr/nwag557
URL
https://academic.oup.com/nsr/advance-article-pdf/doi/10.1093/nsr/nwag557/70881912/nwag557.pdf
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