Textile industries wastewater treatment by electrochemical oxidation technique using metal plate

Norazzizi Nordin, Siti Fathrita Mohd Amir, Riyanto, Mohamed Rozali Othman

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

In this study, the optimization of electrochemical oxidation technique for textile wastewater treatment and analysis of the degradation product was experimentally investigated. After some preliminary studies using C.I. Reactive Blue 109, platinum plate electrode (10 mm × 10 mm) and stainless steel (10 mm × 10 mm) were chosen as the best anode and cathode, respectively. The effects of operational parameters such as supporting electrolyte (sodium chloride) concentration, current density, initial pH and electrolysis time on pH changes and percentage of color, chemical oxidation demand (COD), biochemical oxidation demand (BOD), total organic carbon (TOC) and surfactant removal were determined. The optimum range for each of these operating variables was experimentally determined. The results obtained show that the percentage of color, COD, BOD, TOC and surfactant removal in the aqueous phase was removed effectively. Under the optimum operating conditions, sodium chloride concentration of 0.1 M, current density of 20.0 mA/cm2, initial pH of 4 and electrolysis time of 75 minutes, the percentage of color and COD removals efficiency reached 96%, while for BOD, TOC and surfactant removals the percentage is slightly lower. UV-visible spectra and Fourier transform infrared spectroscopy (FTIR) analysis also shows the cleavage of chromophore group and degradation of textile wastewater during before and after electrolysis.

Original languageEnglish
Pages (from-to)11403-11415
Number of pages13
JournalInternational Journal of Electrochemical Science
Volume8
Issue number9
Publication statusPublished - 2013

Fingerprint

Plate metal
Electrochemical oxidation
Textile industry
Wastewater treatment
Oxidation
Organic carbon
Electrolysis
Surface-Active Agents
Surface active agents
Sodium chloride
Color
Sodium Chloride
Textiles
Current density
Degradation
Stainless Steel
Chromophores
Electrolytes
Fourier transform infrared spectroscopy
Platinum

Keywords

  • COD removal
  • Electro-oxidation
  • FTIR
  • Parameter
  • UV-visible

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Textile industries wastewater treatment by electrochemical oxidation technique using metal plate. / Nordin, Norazzizi; Amir, Siti Fathrita Mohd; Riyanto; Othman, Mohamed Rozali.

In: International Journal of Electrochemical Science, Vol. 8, No. 9, 2013, p. 11403-11415.

Research output: Contribution to journalArticle

Nordin, Norazzizi ; Amir, Siti Fathrita Mohd ; Riyanto ; Othman, Mohamed Rozali. / Textile industries wastewater treatment by electrochemical oxidation technique using metal plate. In: International Journal of Electrochemical Science. 2013 ; Vol. 8, No. 9. pp. 11403-11415.
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