A review and experimental revisit of alternative catalysts for selective oxidation of methanol to formaldehyde

Joachim Thrane, Uffe V. Mentzel, Max Thorhauge, Martin Høj, Anker D. Jensen*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The selective oxidation of methanol to formaldehyde is a growing million-dollar industry, and has been commercial for close to a century. The Formox process, which is the largest production process today, utilizes an iron molybdate catalyst, which is highly selective, but has a short lifetime of 6 months due to volatilization of the active molybdenum oxide. Improvements of the process’s lifetime is, thus, desirable. This paper provides an overview of the efforts reported in the scientific literature to find alternative catalysts for the Formox process and critically assess these alternatives for their industrial potential. The catalysts can be grouped into three main categories: Mo containing, V containing, and those not containing Mo or V. Furthermore, selected interesting catalysts were synthesized, tested for their performance in the title reaction, and the results critically compared with previously published results. Lastly, an outlook on the progress for finding new catalytic materials is provided as well as suggestions for the future focus of Formox catalyst research.
Original languageEnglish
Article number1329
JournalCatalysts
Volume11
Issue number11
Number of pages70
ISSN2073-4344
DOIs
Publication statusPublished - 2021

Keywords

  • Formaldehyde
  • Formox
  • Methanol
  • Molybdenum
  • Selective oxidation

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