TY - JOUR
T1 - Acetone and ethanol vapor oxidation via negative atmospheric corona discharge over titania-based catalysts
AU - Lyulyukin, Mikhail N.
AU - Besov, Alexey S.
AU - Vorontsov, Alexander V.
N1 - Publisher Copyright:
© 2015 Elsevier B.V.
PY - 2016
Y1 - 2016
N2 - The paper is devoted to the oxidation of acetone and ethanol vapors by means of an optimized negative atmospheric corona discharge combined with TiO2-based catalysts located in a post-plasma position. A series of studied samples includes CuO-MnO2/TiO2, CuO/TiO2 and MnO2/TiO2 with 3 wt% of copper oxide and 6.8 wt% of manganese oxide. Experiments were performed at room temperature in a closed 404-L chamber with a ∼0.9-L active plasma region. It was shown that the use of the catalysts can provide a significant reduction in the concentrations of ozone and oxidation byproducts and a three-fold increased conversion of the reactants. It was unexpectedly found that copper oxide, as an active agent, did not significantly change the effect of post-plasma-located TiO2. The manganese-containing sample was found to be the best catalyst at the conditions considered. The presence of this catalyst in the post-plasma position inhibits the formation of unwanted products (O3 and CO) and promotes the deep oxidation of acetone and ethanol with increased selectivity toward CO2.
AB - The paper is devoted to the oxidation of acetone and ethanol vapors by means of an optimized negative atmospheric corona discharge combined with TiO2-based catalysts located in a post-plasma position. A series of studied samples includes CuO-MnO2/TiO2, CuO/TiO2 and MnO2/TiO2 with 3 wt% of copper oxide and 6.8 wt% of manganese oxide. Experiments were performed at room temperature in a closed 404-L chamber with a ∼0.9-L active plasma region. It was shown that the use of the catalysts can provide a significant reduction in the concentrations of ozone and oxidation byproducts and a three-fold increased conversion of the reactants. It was unexpectedly found that copper oxide, as an active agent, did not significantly change the effect of post-plasma-located TiO2. The manganese-containing sample was found to be the best catalyst at the conditions considered. The presence of this catalyst in the post-plasma position inhibits the formation of unwanted products (O3 and CO) and promotes the deep oxidation of acetone and ethanol with increased selectivity toward CO2.
KW - Copper oxide
KW - Manganese oxide
KW - NTP
KW - Post-plasma catalysis
KW - Titanium dioxide
KW - VOCs
UR - http://www.scopus.com/inward/record.url?scp=84984652057&partnerID=8YFLogxK
U2 - 10.1016/j.apcatb.2015.10.025
DO - 10.1016/j.apcatb.2015.10.025
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AN - SCOPUS:84984652057
SN - 0926-3373
VL - 183
SP - 18
EP - 27
JO - Applied Catalysis B: Environmental
JF - Applied Catalysis B: Environmental
ER -