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    Influence of reduction temperature on the performance of Ni-SiO<inf>2</inf> catalysts for methanation in slurry bed reactor

    Access Status
    Fulltext not available
    Authors
    He, L.
    Zhang, Shu
    Gong, W.
    Xu, D.
    Wang, Y.
    Date
    2012
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    He, L. and Zhang, S. and Gong, W. and Xu, D. and Wang, Y. 2012. Influence of reduction temperature on the performance of Ni-SiO<inf>2</inf> catalysts for methanation in slurry bed reactor, pp. 2402-2406.
    Source Title
    29th Annual International Pittsburgh Coal Conference 2012, PCC 2012
    ISBN
    9781622767861
    School
    Fuels and Energy Technology Institute
    URI
    http://hdl.handle.net/20.500.11937/56057
    Collection
    • Curtin Research Publications
    Abstract

    Effects of reduction temperature on the performance of nickel catalyst for CO methanation in a slurry-bed reactor was studied. The catalysts of nickel-based on silica support were reduced for 4 hours at the temperature of 400°C, 500°C and 600°C, respectively. All the catalysts were characterized using the N 2 physisorption analyser, XRD and H 2 -TPR before experiments and were then used for the CO methanation in the integral slurry-bed reactor at the temperature of 300°C. The results indicate that the catalyst reduced at 400°C showed the lowest catalytic activity because the active component NiO was not reduced completely even reduced for 12 hours. The catalyst reduced at temperature of 500°C showed a very high catalytic activity, and the yield of CH 4 could reach ~92%. The catalyst reduced at 600°C had a higher activity than that reduced at 400°C, but slightly worse than the performance of catalyst reduced at 500 °C.

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