Enhancement of an electrocoagulation process for the treatment of textile wastewater under combined electrical connections using titanium plates

Ahmed Samir Naje, Shreeshivadasan Chelliapan, Zuriati Zakaria, Saad A. Abbas

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The performance of an electrocoagulation (EC) process by adding titanium plates (electrooxidation, EO) was studied for the treatment of textile wastewater using combined electrical connections in a single reactor. Aluminum (and iron) and Titanium (Ti) electrodes were fixed in a bipolar (Bp), and monopolar (Mp) structure in the same electrolytic cell. The performance of the reactor was characterized in terms of electrolysis time (RT), current intensity (I), pH, chemical support, inter-electrode distance (IED), and stirring speed (M<inf>rpm</inf>). Furthermore, energy and electrode consumption, sludge compaction, operating expenses as well as comparison with the conventional EC process was also examined. The most suitable EC-EO performance was achieved by using Mp Ti-Bp Al plates. Preliminary results showed the following optimal operating conditions: I=0.6 A, pH=6, IED=1cm and M<inf>rpm</inf>=500 rpm. The implementation of these parameters on textile wastewater revealed a relatively high removal efficiency of COD (93.5%), TSS (97%), color (97.5%), BOD5 (90%), TDS (89%), turbidity (96%), phenols (99%) and phosphate (97%). The overall operating cost for the process was 1.69 US$/m<sup>3</sup>. This value was calculated based on the electrode and energy consumption, chemicals, and sludge disposal.

Original languageEnglish
Pages (from-to)4495-4512
Number of pages18
JournalInternational Journal of Electrochemical Science
Volume10
Issue number6
Publication statusPublished - 2015
Externally publishedYes

Fingerprint

Titanium
Textiles
Wastewater
Electrodes
Electrooxidation
Sludge disposal
Electrolytic cells
Phenols
Turbidity
Aluminum
Electrolysis
Operating costs
Phosphates
Compaction
Energy utilization
Iron
Color

Keywords

  • Aluminum electrode
  • Electrocoagulation
  • Textile wastewater
  • Titanium electrode

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Enhancement of an electrocoagulation process for the treatment of textile wastewater under combined electrical connections using titanium plates. / Naje, Ahmed Samir; Chelliapan, Shreeshivadasan; Zakaria, Zuriati; Abbas, Saad A.

In: International Journal of Electrochemical Science, Vol. 10, No. 6, 2015, p. 4495-4512.

Research output: Contribution to journalArticle

Naje, Ahmed Samir ; Chelliapan, Shreeshivadasan ; Zakaria, Zuriati ; Abbas, Saad A. / Enhancement of an electrocoagulation process for the treatment of textile wastewater under combined electrical connections using titanium plates. In: International Journal of Electrochemical Science. 2015 ; Vol. 10, No. 6. pp. 4495-4512.
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