Electrochemical degradation of reactive industrial textile dye using graphite as potential catalytic electrode

Vidyasagar C. C 1, *, Prakash. K 2 and Manjunatha N. K 3

1 Department of Studies and Research in Chemistry, Rani Channamma University, Belagavi-591156 Karnataka, India.
2 Department of Environmental Science, Gulbarga University, Kalaburagi-585106, India.
3 Department of PG Studies and Research in Geography, Rani Channamma University, Belagavi-591156 Karnataka, India.
 
Research Article
Global Journal of Engineering and Technology Advances, 2023, 17(02), 131–140.
Article DOI: 10.30574/gjeta.2023.17.2.0127
Publication history: 
Received on 03 July 2023; revised on 19 November 2023; accepted on 22 November 2021
 
Abstract: 
In recent years, the indirect electrochemical degradation of industrial effluents has gained popularity. This study examines the electrochemical aqueous solution degradation of reactive azo dyes employing graphite carbon electrodes as a possible catalyst. The findings suggested that the degradation of dyes was significantly influenced by the starting pH and the supporting electrolytes. Studies on chemical oxygen demand (COD) and UV-Vis were used to assess the effectiveness of the degrading process. Reactive dye may be used to obtain maximum colour removal efficiencies of 99% and chemical oxygen demand (COD) removal efficiencies of 88%. The LC-MS investigation indicated the breakdown of reactive dye and verified that the azo groups and aromatic rings were eliminated.
 
Keywords: 
Carbon electrodes; Graphite electrode; Electrochemical degradation; Reactive azo; LC–MS
 
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