In this Catalysis Science & Technology Hot article Houshang Alamdari and colleagues from the University of Laval, Canada, use a mechanosynthesis technique to make nanocrystalline hexaaluminate-type mixed oxides for use as heterogeneous catalysts.
The team make a material with high surface area and catalytic activity, with crystals of about 20nm. The technique is great because it is easy to scale-up and does not require waste treatment or complicated process control.
Similar materials have been used as catalysts in the high temperature catalytic combustion of methane, so perhaps this technique will find a future there!
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Solvent free synthesis of nanocrystalline hexaaluminate-type mixed oxides with high specific surface areas for CO oxidation reaction
Said Laassiri, Daniel Duprez, Sébastien Royer and Houshang Alamdari
Catal. Sci. Technol., 2011, DOI: 10.1039/C1CY00211B