A novel method for preparing high surface area copper zirconia catalysts. Influence of the preparation variables

Gonzalo Águila, Javier Jiménez, Sichem Guerrero, Francisco Gracia, Boris Chornik, Sergio Quinteros, Paulo Araya

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A new and straightforward method to prepare high surface area Cu-ZrO2 catalysts is presented. This method considers a reflux treatment of commercial hydrous zirconia in the presence of a copper-containing NH4OH solution. The method allows the stabilization of high surface area ZrO2 supports with highly dispersed CuO throughout the support surface. It was observed that the addition of copper by this reflux treatment decreases the crystalline character of the ZrO2 support and increases the surface area. The potential catalytic application of these materials is exemplified with the CO oxidation and methanol reforming reactions.
Original languageAmerican English
Pages (from-to)98-105
Number of pages8
JournalApplied Catalysis A: General
Volume360
Issue number1
DOIs
StatePublished - 31 May 2009
Externally publishedYes

Keywords

  • CO oxidation
  • Copper
  • Methanol reforming
  • Reflux treatment
  • Zirconia

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