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Pure H2 Production by Decomposition of Methane Over Ni Supported on Hydroxyapatite Catalysts

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Abstract

The catalytic decomposition of CH4 for the production of pure H2 is carried out over Ni supported on hydroxyapatite [Ca5(PO4)3(OH)] catalysts at 650 °C and atmospheric pressure. CH4 decomposition activity is decreased with time on stream and finally deactivated completely. The physicochemical properties of the fresh catalysts are characterized by XRD, DTA/TG, TPR and SEM techniques along with CHNS analyses of the used samples. It is found that the 30 wt% Ni/HAp displayed higher H2 production rates over the other Ni loadings, which is correlated with Ni metal surface area measured by O2 pulse chemisorption.

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Acknowledgment

The authors thank CSIR, New Delhi for funding this project under NMITLI program.

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Authors and Affiliations

  1. Catalysis & Physical Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, 500 007, India

    J. Ashok, S. Naveen Kumar, M. Subrahmanyam & A. Venugopal

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  1. J. Ashok
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  2. S. Naveen Kumar
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  3. M. Subrahmanyam
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  4. A. Venugopal
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Corresponding author

Correspondence to A. Venugopal.

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IICT communication number: 051211.

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Ashok, J., Kumar, S.N., Subrahmanyam, M. et al. Pure H2 Production by Decomposition of Methane Over Ni Supported on Hydroxyapatite Catalysts. Catal Lett 121, 283–290 (2008). https://doi.org/10.1007/s10562-007-9334-z

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  • DOI: https://doi.org/10.1007/s10562-007-9334-z

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