Catalysis Letters

, Volume 148, Issue 6, pp 1775–1783 | Cite as

Reduced Temperature Ammonia Decomposition Using Ni/Zr-Doped Al2O3 Catalyst

  • Suparoek Henpraserttae
  • Sumittra Charojrochkul
  • Wantana Klysubun
  • Luckhana Lawtrakul
  • Pisanu Toochinda


The development of Ni/Zr-doped Al2O3 was achieved to reduce the reaction temperatures in ammonia decomposition by doping Zr into Al2O3 framework. The Ni/Zr-doped Al2O3 exhibits higher H2 yield and NH3 conversion than Ni/γ-Al2O3 in a continuous operation. Partial doping of Zr in Al2O3 framework can increase Ni dispersion, Ni surface area and basic sites of the Ni catalyst. These effects can promote in both dehydrogenation of NH3 and recombination of nitrogen adsorbates in an NH3 decomposition mechanism. The comparison between roles of Zr as a dopant and a promoter for Ni catalyst was also discussed.

Graphical Abstract


Ammonia decomposition Hydrogen production Support modification Partial doping of Zr in Al2O3 framework Ni/Zr-doped Al2O3 catalyst 



This work was funded by the National Research University Project of Thailand Office of Higher Education Commission (NRU-15/2559) and Thammasat University Grant (TU-2/23/2558). This work was also supported by National Science and Technology Development Agency Thailand. The authors gratefully acknowledge Mr. Mahinsasa Rathnayake for English proof-reading.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Suparoek Henpraserttae
    • 1
  • Sumittra Charojrochkul
    • 2
  • Wantana Klysubun
    • 3
  • Luckhana Lawtrakul
    • 1
  • Pisanu Toochinda
    • 1
  1. 1.School of Bio-Chemical Engineering and Technology, Sirindhorn International Institute of TechnologyThammasat UniversityPathum ThaniThailand
  2. 2.National Metal and Materials Technology CenterNational Science and Technology Development AgencyPathum ThaniThailand
  3. 3.Synchrotron Light Research InstituteNakhon RatchasimaThailand

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