Efficient reduction of bromates using carbon nanofibre supported catalysts: Experimental and a comparative life cycle assessment study

Polina Yaseneva, Cristina F. Marti, Eduardo Palomares, Xiaolei Fan, Tobias Morgan, Pablo Saz Perez, Magnus Ronning, Fan Huang, Tatiana Yuranova, Liubov Kiwi-Minsker, Salim Derrouiche, Alexei A. Lapkin

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Structured hierarchical catalysts were developed for efficient reduction of bromates in water. In the catalysts a small amount of active metal, 0.3wt.% Pd, is supported onto carbon nanofibres grown either on sintered metal fibres or on a carbon cloth. In both cases high rates of reaction and high selectivity were achieved, allowing a significant reduction in the amount of catalyst required for the treatment of a set volumetric flow of polluted water, compared to a conventional Pd/Al2O3 catalyst. Manufacture of carbon nanofibres grown on a hierarchical structured support was scaled to 10g batches. Cradle-to-gate life cycle assessment (LCA) study was performed to compare potential water treatment processes based on two catalyst types, and to identify the areas for future optimisation of the novel technology based on structured hierarchical catalysts. © 2014 Elsevier B.V.
    Original languageEnglish
    Pages (from-to)230-241
    Number of pages11
    JournalChemical Engineering Journal
    Volume248
    DOIs
    Publication statusPublished - 15 Jul 2014

    Keywords

    • Carbon nanofibres
    • Catalytic reduction of bromates
    • Life cycle assessment
    • Nanomaterials
    • Structured catalysts
    • Water purification

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