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Showing 1–3 of 3 results
Advanced filters: Author: Sean Najmi Clear advanced filters

  • Plastic additives can hinder the mechanical recycling of plastics; a similar issue arises in chemical deconstruction, where plastic additives can deactivate catalysts. Here the authors compare hydroconversion and catalytic pyrolysis to identify specific criteria needed to mitigate the effects organic additives on the deconstruction of polyolefins.

    • Jacqueline Ngu
    • Sean Najmi
    • Dionisios G. Vlachos
    Research
    Nature Chemical Engineering
    Volume: 2, P: 220-228

  • Upcycling end-of-life tire waste is complex due to the recalcitrant nature of the toxic legacy additive, 6PPD. Here the authors present a new decontamination strategy that can isolate 6PPD, convert it to safe and valuable products, and valorize end-of-life tire waste.

    • Sean Najmi
    • Pooja Bhalode
    • Dionisios G. Vlachos
    Research
    Nature Chemical Engineering
    Volume: 1, P: 597-607

  • This manuscript demonstrates a single-step electrified approach using rapid joule heating over an H-ZSM-5 catalyst for effective deconstruction of polyolefin plastic waste into light olefins (C2–C4) in milliseconds.

    • Esun Selvam
    • Kewei Yu
    • Dionisios G. Vlachos
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9