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Showing 1–4 of 4 results
Advanced filters: Author: Taylor Uekert Clear advanced filters

  • Enzymatic recycling is an emerging technology to circularize the ubiquitous polyester poly(ethylene terephthalate). Here the authors evaluate and implement multiple process changes to improve the scalability and viability of this recycling technology. Process modeling demonstrates that these changes could enable cost competitiveness and greatly reduce overall life cycle impacts.

    • Natasha P. Murphy
    • Stephen H. Dempsey
    • Gregg T. Beckham
    Research
    Nature Chemical Engineering
    Volume: 2, P: 309-320

  • Oxidative catalytic depolymerization of polystyrene (PS) can produce benzoic acid, but the annual consumption of benzoic acid is ~40 times lower than PS, so benzoic acid should be converted to higher-volume chemicals for the process to be viable. Here, the authors report a hybrid chemical and biological process that uses PS as feedstock for production of adipic acid, a high-volume co-monomer for nylon 6,6, via benzoic acid.

    • Hyunjin Moon
    • Jason S. DesVeaux
    • Gregg T. Beckham
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • Acetic acid efficiently depolymerizes aliphatic and aromatic epoxy-amine thermosets used in carbon fibre-reinforced polymers (CFRPs) to yield recoverable monomers and pristine carbon fibres, which, based on process modelling, techno-economic analysis and life cycle assessment, could enable industrial recycling of CFRPs.

    • Ciaran W. Lahive
    • Stephen H. Dempsey
    • Gregg T. Beckham
    Research
    Nature
    Volume: 642, P: 605-612

  • Photoreforming is a sunlight-driven technology that can simultaneously reclaim the value in waste and contribute to renewable hydrogen production. This Review examines the advantages and challenges and identifies ways forward.

    • Taylor Uekert
    • Christian M. Pichler
    • Erwin Reisner
    Reviews
    Nature Sustainability
    Volume: 4, P: 383-391