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A sol-gel derived CuOx/Al2O3-ZrO2 catalyst for the selective reduction of NO by propane in the presence of excess oxygen

  • Olga V. Metelkina
  • , Valery V. Lunin
  • , Vladislav A. Sadykov
  • , Galina M. Alikina
  • , Rimma V. Bunina
  • , Eugenii A. Paukshtis
  • , Vladimir B. Fenelonov
  • , Aleksandr Yu Derevyankin
  • , Vladimir I. Zaikovskii
  • , Ulrich Schubert
  • , J. R.H. Ross
  • Lomonosov Moscow State University
  • Vienna University of Technology
  • RAS - Boreskov Institute of Catalysis, Siberian Branch

Research output: Contribution to journalArticlepeer-review

Abstract

Copper catalysts supported on alumina-doped zirconia were prepared by sol-gel processing followed by supercritical drying or aging in the mother solution at 100°C. After drying and calcination, the catalyst supports were impregnated with a copper(II) nitrate aqueous solution by the incipient wetness method to achieve a Cu loading of about 2%. The samples showed ∼90% NO conversion at 350-400°C. The catalytic performance of these systems appears to be determined by the degree of clustering of copper cations as probed by FTIR spectroscopy of adsorbed CO.

Original languageEnglish
Pages (from-to)111-114
Number of pages4
JournalCatalysis Letters
Volume78
Issue number1-4
DOIs
Publication statusPublished - Mar 2002

Keywords

  • Alumina-modified zirconia
  • NO selective catalytic reduction by propane
  • Sol-gel processing
  • Supported copper oxide

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