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- Title
Decolorization of C. I. Reactive Orange 4 and Textile Effluents by Electrochemical Oxidation Technique using Silver-Carbon Composite Electrode.
- Authors
Nordin, Norazzizi; Mohd Amir, Siti Fathrita; Yusop, Muhammad Rahimi; Othman, Mohamed Rozali
- Abstract
In this study, the electrochemical oxidation of C. I. Reactive Orange 4 (RO4) on a silver-carbon composite (AgC-PVC) electrode was studied using the cyclic voltammetry, potential liner V, and electrolysis methods. The AgC-PVC electrode was used as the working electrode in the electrochemical measurement of RO4 in the presence of NaCl as a supporting electrolyte. The UV-Vis spectra of RO4 after the electrochemical oxidation showed the complete decolorization of the solution. The electrolysis products were characterized using FTIR and GC-MS. The results showed that in the presence of OCl- as an active oxidant, RO4 molecules are broken down into several lower-molecular-weight molecules by the electrochemical technique. The electrode used was also able to reduce the COD, BOD5 and surfactant contents in the textile effluents using a pilot scale reactor. This proved that the prepared AgC-PVC electrode was beneficial for removing both the color and other pollutants from textile effluents.
- Subjects
DYES &; dyeing; TEXTILES; SEWAGE; ELECTROCHEMICAL analysis; FOURIER transform infrared spectroscopy
- Publication
Acta Chimica Slovenica, 2015, Vol 62, Issue 3, p642
- ISSN
1318-0207
- Publication type
Article
- DOI
10.17344/acsi.2014.1264