Catalytic Ammonia Decomposition Over Ruthenium Nanoparticles Supported on Nano-Titanates

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Nanosized Na2Ti3O7, K2Ti6O13 and Cs2Ti6O13 materials were prepared and used as supports of ruthenium nanoparticles for catalytic ammonia decomposition. It is shown that these catalysts exhibit higher catalytic activity than ruthenium supported on TiO2 nanoparticles promoted with cesium. The difference is attributed to the use of nanostructured materials with incorporated alkali metals in the crystal lattice, which apparently gives a higher effect of the promoter. All samples were characterized by X-ray powder diffraction, transmission electron microscopy and N-2 physisorption measurements. Furthermore, the effect of ruthenium loading on the catalytic decomposition of ammonia was investigated.
Original languageEnglish
JournalCatalysis Letters
Issue number3-4
Pages (from-to)541-546
Publication statusPublished - 2009


  • Hydrogen production
  • Ruthenium nanoparticles
  • Titanate nanowires
  • Ammonia decomposition
  • Titanate nanotubes


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