Photocatalytic oxidation of n-octanol in aerated supercritical CO2 on hydrophobic TiO2

Photocatalytic oxidation of n-octanol in aerated supercritical CO2 on hydrophobic TiO2 Supercritical CO2 (scCO2) has been used as a reaction medium for the photocatalytic oxidative degradation of n-octanol on a partially desilanized hydrophobic suspension of TiO2 as photocatalyst. Hydrophobic sites on the catalyst surface are necessary to maintain a sustained suspension, and hence surface-mediated interfacial electron exchange, in this non-polar medium. The reaction rates for photooxidative degradation, ultimately to complete mineralization, depend only weakly on temperature and pressure of the supercritical fluid near the critical point. Product distributions were monitored in situ by on-line gas chromatographic analysis, which provides a convenient and rapid method for comparisons and optimization of the reaction conditions. Research on Chemical Intermediates Springer Journals

Photocatalytic oxidation of n-octanol in aerated supercritical CO2 on hydrophobic TiO2

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Brill Academic Publishers
Copyright © 2002 by VSP 2002
Chemistry; Inorganic Chemistry; Physical Chemistry
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