Water denitration over a Pd-Sn/Al2O3 catalyst

J Sa, D Gasparovicova, K Hayek, E Halwax, J A Anderson, H Vinek

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Bimetallic Pd-Sn catalysts were synthesized by incipient-wetness impregnation of the metals on alumina and employed for the reduction of nitrates from aqueous solutions. The catalysts were characterized by FTIR spectroscopy of adsorbed CO, X-ray diffraction (XRD), transmission electron microscopy (TEM), and H-2 chemisorption. The influence of the metal ratio was evaluated in reaction measurements. The bimetallic Pd-Sn catalysts exhibited high selectivity for nitrate removal forming less NO2- and NH4+ than the Pd-Cu catalysts.

Original languageEnglish
Pages (from-to)209-217
Number of pages9
JournalCatalysis Letters
Volume105
DOIs
Publication statusPublished - 2005

Keywords

  • Pd-Sn/Al2O3
  • nitrate hydrogenation
  • XRD
  • FTIR using CO and TEM
  • PD-CU CATALYSTS
  • DRINKING-WATER
  • SELECTIVE HYDROGENATION
  • NITRATE REDUCTION
  • CARBON-MONOXIDE
  • TIN CATALYSTS
  • PALLADIUM-TIN
  • REMOVAL
  • NITRITE
  • PLATINUM

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