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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

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Result continuities

  • Project

  • 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