Catalytic decomposition of 1,2-dichlorobenzene over V₂O₅/TiO₂ catalysts blending with typical carbon nanotubes
by Cuicui Du; Xuan Cao; Shengyong Lu
International Journal of Environment and Pollution (IJEP), Vol. 63, No. 4, 2018

Abstract: A series of V₂O₅/TiO₂-CNTs catalysts, prepared by the sol-gel method, were studied on their activities for 1,2-dichlorobenzene (1,2-DCBz) decomposition. Three kinds of typical carbon nanotubes, single walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes with outer diameter of 20-30 nm (MWCNT1), and multi-walled carbon nanotubes with thinner walls (MWCNT2), were used in this paper. The gelling time has an important effect on the textural properties and acidity of the catalysts prepared by this sol-gel method. Owing to their excellent adsorption ability, the V₂O₅/TiO₂-SWCNTs exhibit the best reactivity at low temperature (150°C), whereas V₂O₅/TiO₂-MWCNT2 performs better at above 220°C due to its better dispersion, high concentration of surface active oxygen and high acidity.

Online publication date: Wed, 20-Feb-2019

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