Uncatalyzed and catalyzed NO and N2O reaction using various catalysts and binary barium mixtures supported on activated carbon

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Abstract

The kinetics of the reaction of NO and N2O with activated carbon, without catalyst, and impregnated with precursor salts of Mg, Mn, Ba, Pb, Cu, Ni, Fe and Co and their binary mixtures was investigated. The conversion of NO and N2O was studied (300°C-900°C) using a TGA apparatus and a fixed-bed reactor. The reactor effluents were analyzed using a GC/MS on line. The best synergetic effects were observed for samples doped with Ba + Pb, Ba + Fe, Ba + Cu, Ba + Mn, and Cu + Mn. Adsorption of NO and N2O (20°C-100°C) increased considerably in the presence of catalysts, but binary mixtures had no synergistic effects. In situ XRD was an useful tool for interpreting catalyst behavior and identifying phases during reaction conditions.

Original languageEnglish
Pages (from-to)559-567
Number of pages9
JournalCatalysis Today
Volume54
Issue number4
DOIs
Publication statusPublished - 17 Dec 1999
EventProceedings of the 1998 2nd World Congress on Environmental Catalysis 'Environmental Catalysis - Fundamental and Applied NOx Control Studies' - Miami, FL, United States
Duration: 15 Nov 199820 Nov 1998

Keywords

  • Adsorption
  • Catalysis
  • Kinetics
  • NO reduction
  • X-ray diffraction

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