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    Iron ore catalysts for methane decomposition to make CO x free hydrogen and carbon nano material

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    Type
    Article
    Authors
    Zhou, Lu
    Enakonda, Linga
    Li, Sheng cc
    Gary, Daniel
    Del-Gallo, Pascal
    Mennemann, Christina
    Basset, Jean-Marie cc
    KAUST Department
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2018-03-27
    Online Publication Date
    2018-03-27
    Print Publication Date
    2018-06
    Permanent link to this record
    http://hdl.handle.net/10754/627631
    
    Metadata
    Show full item record
    Abstract
    In this work, for the first time, iron ores with 91.7%–96.2% FeO, 1.3%–2.3% AlO, 1.2%–4.5% SiO, 1.3%–3.9% NaO, were studied directly as bulk catalysts for methane decomposition. By hydrogen pre-reduction at 850 °C, FeO species on iron ores were gradually reduced into FeO, FeO and then finally into Fe species. After reduction of 1.6 g of iron ore catalysts of 50 µm particle size with 100 mL/min pure H for 3.5 h at 850 °C, CMD life testing was conducted at 850 °C and GHSV of 3.75 L/g h and the catalyst showed a stable methane conversion for 5 h. When methane decomposition proceeded on Fe sites, FeC species would be formed to deposit graphite around themselves to finally form carbon nano onions. This carbon nano onions material showed excellent application for wastewater purification. All samples were fully characterized with XRF, XRD, H-TPR, TEM and Raman.
    Citation
    Zhou L, Enakonda LR, Li S, Gary D, Del-Gallo P, et al. (2018) Iron ore catalysts for methane decomposition to make CO x free hydrogen and carbon nano material. Journal of the Taiwan Institute of Chemical Engineers. Available: http://dx.doi.org/10.1016/j.jtice.2018.03.008.
    Publisher
    Elsevier BV
    Journal
    Journal of the Taiwan Institute of Chemical Engineers
    DOI
    10.1016/j.jtice.2018.03.008
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S1876107018301299
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jtice.2018.03.008
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC); Water Desalination and Reuse Research Center (WDRC)

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