CATALYTIC DEGRADATION OF ETHYL ACETATE OVER V2O5 SUPPORTED MOLECULAR SIEVES
DOI:
https://doi.org/10.52292/j.laar.2015.402Keywords:
Degradation, Ethyl acetate, Molecular sieves, Vanadia, VOCAbstract
Series of V2O5 molecular sieves catalysts with varying vanadium content are prepared by impregnation method. The catalyst composition is determined by AAS, SEM, TPR, XRD and BET Surface area techniques. Ethyl acetate decomposition studies are conducted over V/mol sev catalyst with varying vanadium content in presence of air and ozone in a temperature range of 120 to 180°C. The results reveal that in presence of air the oxidation activity is marginal and the principal oxidation product is ethanol. Whereas in presence of ozone, the oxidation activity is increased significantly, and the primary products are only carbon oxides and the trace amount of partial decomposed products (<10%) are observed. In presence of ozone 82% decomposition activity is observed at 160ºC and all the partial decomposed products are rapidly converting into carbon oxides which are ascribed to the synergetic effect of strong oxidizing nature of ozone and the Vanadia catalysts.
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