Nanoparticular metal oxide/anatase catalysts

Søren Birk Rasmussen (Inventor), Steffen Buus Kristensen (Inventor), Rasmus Fehrmann (Inventor), Andreas Jonas Kunov-Kruse (Inventor), Anders Riisager (Inventor)

Research output: Patent


The present invention concerns a method of preparation of nanoparticular metal oxide catalysts having a narrow particle size distribution. In particular, the invention concerns preparation of nanoparticular metal oxide catalyst precursors comprising combustible crystallization seeds upon which the catalyst metai oxide is co-precipitated with the carrier metal oxide, which crystallization seeds are removed by combustion in a final calcining step. The present invention also concerns processes wherein the nanoparticular metal oxide catalysts of the invention are used, such as SCR (deNOx) reactions of nitrogen oxides with ammonia or urea as reductant, oxidations of alcohols or aldehydes with dioxygen or air to provide aldehydes, ketones or carboxylic acids, and photocatalytic oxidation of volatile organic compounds (VOCs).
Original languageEnglish
Patent numberWO10055169
Filing date20/05/2010
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Publication statusPublished - 2010


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