Rančev, Saša

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Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound

Petrović, Milica; Rančev, Saša; Prekajski-Đorđević, Marija D.; Najdanović, Slobodan M.; Velinov, Nena D.; Radović Vučić, Miljana; Bojić, Aleksandar Lj

(2021)

TY  - JOUR
AU  - Petrović, Milica
AU  - Rančev, Saša
AU  - Prekajski-Đorđević, Marija D.
AU  - Najdanović, Slobodan M.
AU  - Velinov, Nena D.
AU  - Radović Vučić, Miljana
AU  - Bojić, Aleksandar Lj
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9709
AB  - MoO2 and MoO3 were applied as catalysts for plasma degradation of organic compound. They were prepared by electrodeposition (MoO2) and electrodeposition followed by thermal treatment (MoO3), and then characterized by the cyclic voltammetry, SEM, EDX, XRD, and FTIR. The RB 19 was degraded by self-made non-thermal atmospheric pressure pulsating plasma corona reactor. Decolourization mechanism, parameters, kinetics, and influence of the catalysts were examined. Mo-oxides enhanced degradation reactions rate constants by 45% – 50%, increased decolourization rate at all the tested pHs, discharged current densities, and decreased energy consumption. Degradation followed the pseudo-first kinetics order and proceeded via plasma-generated ⋅OH radical, which attacked dye molecule; MoO2 and MoO3, excited by plasma-generated UV radiation and high-energy chemical species bombardment, enhanced decomposition of plasma-generated H2O2 into ⋅OH radicals, thus enhancing production of degradation agent. Higher percentage of mineralization was attained in the presence of catalysts, which maintained their degradation activity after 5 uses.
T2  - Chemical Engineering Science
T1  - Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound
VL  - 230
SP  - 116209
DO  - 10.1016/j.ces.2020.116209
ER  - 
@article{
author = "Petrović, Milica and Rančev, Saša and Prekajski-Đorđević, Marija D. and Najdanović, Slobodan M. and Velinov, Nena D. and Radović Vučić, Miljana and Bojić, Aleksandar Lj",
year = "2021",
abstract = "MoO2 and MoO3 were applied as catalysts for plasma degradation of organic compound. They were prepared by electrodeposition (MoO2) and electrodeposition followed by thermal treatment (MoO3), and then characterized by the cyclic voltammetry, SEM, EDX, XRD, and FTIR. The RB 19 was degraded by self-made non-thermal atmospheric pressure pulsating plasma corona reactor. Decolourization mechanism, parameters, kinetics, and influence of the catalysts were examined. Mo-oxides enhanced degradation reactions rate constants by 45% – 50%, increased decolourization rate at all the tested pHs, discharged current densities, and decreased energy consumption. Degradation followed the pseudo-first kinetics order and proceeded via plasma-generated ⋅OH radical, which attacked dye molecule; MoO2 and MoO3, excited by plasma-generated UV radiation and high-energy chemical species bombardment, enhanced decomposition of plasma-generated H2O2 into ⋅OH radicals, thus enhancing production of degradation agent. Higher percentage of mineralization was attained in the presence of catalysts, which maintained their degradation activity after 5 uses.",
journal = "Chemical Engineering Science",
title = "Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound",
volume = "230",
pages = "116209",
doi = "10.1016/j.ces.2020.116209"
}
Petrović, M., Rančev, S., Prekajski-Đorđević, M. D., Najdanović, S. M., Velinov, N. D., Radović Vučić, M.,& Bojić, A. L.. (2021). Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound. in Chemical Engineering Science, 230, 116209.
https://doi.org/10.1016/j.ces.2020.116209
Petrović M, Rančev S, Prekajski-Đorđević MD, Najdanović SM, Velinov ND, Radović Vučić M, Bojić AL. Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound. in Chemical Engineering Science. 2021;230:116209.
doi:10.1016/j.ces.2020.116209 .
Petrović, Milica, Rančev, Saša, Prekajski-Đorđević, Marija D., Najdanović, Slobodan M., Velinov, Nena D., Radović Vučić, Miljana, Bojić, Aleksandar Lj, "Electrochemically synthesized Molybdenum oxides for enhancement of atmospheric pressure non-thermal pulsating corona plasma induced degradation of an organic compound" in Chemical Engineering Science, 230 (2021):116209,
https://doi.org/10.1016/j.ces.2020.116209 . .
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