Iron ore catalysts for methane decomposition to make CO x free hydrogen and carbon nano material
Type
ArticleAuthors
Zhou, LuEnakonda, Linga
Li, Sheng

Gary, Daniel
Del-Gallo, Pascal
Mennemann, Christina
Basset, Jean-Marie

KAUST Department
Chemical Science ProgramKAUST Catalysis Center (KCC)
Physical Science and Engineering (PSE) Division
Water Desalination and Reuse Research Center (WDRC)
Date
2018-03-27Online Publication Date
2018-03-27Print Publication Date
2018-06Permanent link to this record
http://hdl.handle.net/10754/627631
Metadata
Show full item recordAbstract
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 BVAdditional Links
http://www.sciencedirect.com/science/article/pii/S1876107018301299ae974a485f413a2113503eed53cd6c53
10.1016/j.jtice.2018.03.008