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Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes

Authorized Users Only
2009
Authors
Mojović, Zorica
Milutinović Nikolić, Aleksandra
Mentus, Slavko
Jovanović, Dušan M.
Article (Published version)
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Abstract
Nanodispersed metallic clusters of platinum, silver and cobalt were incorporated into NaX zeolite cavities by impregnation with acetone solution of corresponding acetylacetonates and solvent evaporation followed by acetylacetonate thermal decomposition. The mixture of modified zeolites and 10 wt % of carbon black, in the form of a thin layer, was pasted onto a glassy carbon surface by Nafion. With such electrode materials, the phenol oxidation in neutral, alkaline and acid solution was studied by cyclovoltammetry. Deactivation of A electrodes in both neutral and alkaline medium was observed, indicating that polymerization reaction might be the main reaction pathway of phenol at higher pH values. Formation of quinine-type structures was obtained during electro-oxidation at lower pH values, being more significant in acidic solutions.
Keywords:
Cyclic voltammetry / Electrochemical oxidation / Phenol / Zeolite-modified electrodes
Source:
Chemical Engineering & Technology, 2009, 32, 5, 738-744
Publisher:
  • Wiley-V C H Verlag Gmbh, Weinheim
Funding / projects:
  • Mezoporozni i nanomaterijali u katalitičkim i sorpcionim procesima (RS-166001)

DOI: 10.1002/ceat.200800546

ISSN: 0930-7516

WoS: 000266291700006

Scopus: 2-s2.0-65549113027
[ Google Scholar ]
18
17
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/531
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Mojović, Zorica
AU  - Milutinović Nikolić, Aleksandra
AU  - Mentus, Slavko
AU  - Jovanović, Dušan M.
PY  - 2009
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/531
AB  - Nanodispersed metallic clusters of platinum, silver and cobalt were incorporated into NaX zeolite cavities by impregnation with acetone solution of corresponding acetylacetonates and solvent evaporation followed by acetylacetonate thermal decomposition. The mixture of modified zeolites and 10 wt % of carbon black, in the form of a thin layer, was pasted onto a glassy carbon surface by Nafion. With such electrode materials, the phenol oxidation in neutral, alkaline and acid solution was studied by cyclovoltammetry. Deactivation of A electrodes in both neutral and alkaline medium was observed, indicating that polymerization reaction might be the main reaction pathway of phenol at higher pH values. Formation of quinine-type structures was obtained during electro-oxidation at lower pH values, being more significant in acidic solutions.
PB  - Wiley-V C H Verlag Gmbh, Weinheim
T2  - Chemical Engineering & Technology
T1  - Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes
VL  - 32
IS  - 5
SP  - 738
EP  - 744
DO  - 10.1002/ceat.200800546
ER  - 
@article{
author = "Mojović, Zorica and Milutinović Nikolić, Aleksandra and Mentus, Slavko and Jovanović, Dušan M.",
year = "2009",
abstract = "Nanodispersed metallic clusters of platinum, silver and cobalt were incorporated into NaX zeolite cavities by impregnation with acetone solution of corresponding acetylacetonates and solvent evaporation followed by acetylacetonate thermal decomposition. The mixture of modified zeolites and 10 wt % of carbon black, in the form of a thin layer, was pasted onto a glassy carbon surface by Nafion. With such electrode materials, the phenol oxidation in neutral, alkaline and acid solution was studied by cyclovoltammetry. Deactivation of A electrodes in both neutral and alkaline medium was observed, indicating that polymerization reaction might be the main reaction pathway of phenol at higher pH values. Formation of quinine-type structures was obtained during electro-oxidation at lower pH values, being more significant in acidic solutions.",
publisher = "Wiley-V C H Verlag Gmbh, Weinheim",
journal = "Chemical Engineering & Technology",
title = "Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes",
volume = "32",
number = "5",
pages = "738-744",
doi = "10.1002/ceat.200800546"
}
Mojović, Z., Milutinović Nikolić, A., Mentus, S.,& Jovanović, D. M.. (2009). Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes. in Chemical Engineering & Technology
Wiley-V C H Verlag Gmbh, Weinheim., 32(5), 738-744.
https://doi.org/10.1002/ceat.200800546
Mojović Z, Milutinović Nikolić A, Mentus S, Jovanović DM. Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes. in Chemical Engineering & Technology. 2009;32(5):738-744.
doi:10.1002/ceat.200800546 .
Mojović, Zorica, Milutinović Nikolić, Aleksandra, Mentus, Slavko, Jovanović, Dušan M., "Electrochemical Oxidation of Phenol on Metal-Impregnated Zeolite Electrodes" in Chemical Engineering & Technology, 32, no. 5 (2009):738-744,
https://doi.org/10.1002/ceat.200800546 . .

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