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February 12, 2026Angewandte Chemie International Edition2 citations

Selective Upcycling of Polycarbonate Waste to Cyclohexanol via RuLa Dual‐Atom Catalysis

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JWJianjun WangDLDongxian LiZZZedong Zhang

Key Points

  • The goal is to develop an efficient method to convert polycarbonate waste into cyclohexanol without conventional oxidation.
  • Introduced a non-oxidative catalytic strategy using a RuLa dual-atom catalyst.
  • Conducted tandem hydropyrolysis and hydrogenation under mild gas-phase conditions.
  • Operated at 0.25 MPa with a residence time of 4.2 seconds.
  • Achieved a 69.9% yield of cyclohexanol with 95.4% selectivity.
  • Maintained over 95% selectivity for post-consumer polycarbonate across 100 feed cycles.
  • Indicated a 35% cost reduction and a threefold lower carbon footprint compared to traditional fossil routes.

Abstract

ABSTRACT Cyclohexanol is a key intermediate for nylon manufacture, yet its industrial synthesis relies on partial oxidation of cyclohexane at ∼2 MPa with 95% selectivity for post‐consumer PC over 100 feed cycles. Life‐cycle and techno‐economic analyses indicate the potential environmental and economic advantages, showing a 35% cost reduction and a threefold lower carbon footprint relative to the fossil route. This oxygen‐retentive hydrogenation paradigm establishes a general approach for valorizing oxygen‐rich substrates and suggests a conceptually viable pathway toward atom‐economical synthesis and circular chemical manufacturing.

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/698d6e3c5be6419ac0d53c95https://doi.org/10.1002/anie.202524681
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  1. 1Selective Upcycling of Polycarbonate Waste to Cyclohexanol via RuLa Dual‐Atom Catalysis2026 · 1 citations
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  5. 5Self-driven tandem alcoholysis for full upcycling of waste polycarbonate plastics.2026