The role of dye's structure on the degradation rate during indirect anodic oxidation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F22%3A39919036" target="_blank" >RIV/00216275:25310/22:39919036 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1007/s00706-022-02897-w" target="_blank" >https://link.springer.com/article/10.1007/s00706-022-02897-w</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s00706-022-02897-w" target="_blank" >10.1007/s00706-022-02897-w</a>
Alternative languages
Result language
angličtina
Original language name
The role of dye's structure on the degradation rate during indirect anodic oxidation
Original language description
The aim of this work was to evaluate the possibility of decolorization of effluents that contain structurally different azo and aminoantrachinone dyes. The decolorization was performed by an indirect electrochemical oxidation in a single-chamber laboratory electrolyzer under galvanostatic mode. Anodes used for the treatment were a planar boron-doped diamond and a platinum electrode. The changes in decolorization rate of model solutions were measured during indirect electrochemical oxidation in dependence on different initial pH in the presence of sodium sulfate, which is frequently used during the dyeing process. The decolorization process was compared with another abundant salt, specifically sodium chloride. The time intervals corresponding to chromaticity change of electrolyzed solution were measured and kinetic constants were assessed. Results showed that the decolorization rate is higher in the presence of NaCl than Na2SO4 and the structure of the dye has a direct impact on the velocity of the decolorization process. However, the degradation evaluated by the determination of total organic carbon parameter showed promising results also in the presence of sulfates on the boron-doped diamond anode dropping from 104 to 21 mg dm(-3). Since this parameter decreased on Pt anode only to 98 mg dm(-3), boron-doped diamond anode showed better performance in the presence of sulfates.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Monatshefte fur Chemie
ISSN
0026-9247
e-ISSN
1434-4475
Volume of the periodical
153
Issue of the periodical within the volume
3
Country of publishing house
DE - GERMANY
Number of pages
7
Pages from-to
237-243
UT code for WoS article
000757751200001
EID of the result in the Scopus database
2-s2.0-85124763038