Mn xCo 3 - XO 4 solid solution as high-efficient catalysts for low-temperature oxidation of formaldehyde

Chuan Shi*, Yu Wang, Aimin Zhu, Bingbing Chen, Chak Tong AU

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

106 Citations (Scopus)

Abstract

Mn xCo 3 - xO 4 solid solution was synthesized by co-precipitation method and tested for the first time for oxidation of HCHO. The formation of Mn xCo 3 - xO 4 solid solution was confirmed by XRD, H 2-TPR, XPS studies. It was observed that complete conversion of HCHO occurred at 75°C (GHSV = 60,000 h - 1, relative humidity = 50% (25°C)), and remained unchanged within 50 h. Such high activity can be ascribed to the large amount of surface oxygen available on Mn xCo 3 - xO 4. According to the results of in situ DRIFTs, we proposed a reaction pathway for HCHO oxidation over Mn xCo 3 - xO 4 catalyst.

Original languageEnglish
Pages (from-to)18-22
Number of pages5
JournalCatalysis Communications
Volume28
DOIs
Publication statusPublished - 5 Nov 2012

Scopus Subject Areas

  • Catalysis
  • Chemistry(all)
  • Process Chemistry and Technology

User-Defined Keywords

  • Cobalt
  • HCHO oxidation
  • Manganese
  • Solid solution

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