Modification of silver catalysts for oxidation of methanol to formaldehyde

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44 Citations (Scopus)

Abstract

Physico-chemical and catalytic properties of silver catalysts modified by Zr, Ce, La, Rb and Cs oxides have been studied in the process of the selective oxidation of methanol. Modifying additions in amounts of 1-10 wt.% change the effective charge and redox properties of supported silver, the metal dispersivity and its surface diffusion, surface acidity of the catalyst and degree of coking in the process of oxidation of methanol to formaldehyde. The influence of the modifier on the electronic state of the catalyst active sites (Ag+, Agδ+ n) is of primary importance when varying the catalytic properties of silver.

Original languageEnglish
Pages (from-to)239-244
Number of pages6
JournalCatalysis Today
Volume28
Issue number3
DOIs
Publication statusPublished - 25 May 1996

Keywords

  • Methanol to formaldehyde oxidation
  • Silver catalysts

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

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