The activity of the RuO2-TiO2 and RuO2-SiO2 membrane catalysts in oxid
ation with air of the isopropylic alcohol was determined at temperatur
es ranging from 40 to 120 degrees C. The RuO2-TiO2 and RuO2-SiO2 membr
anes were prepared by the sol-gel process and supported on microporous
glass membranes. The catalysts were characterized by scanning electro
n microscopy, IR spectroscopy and X-ray diffraction studies.