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Arabian Journal for Science and Engineering

, Volume 41, Issue 6, pp 2229–2237 | Cite as

Arsenic and Boron Removal by Electrocoagulation with Aluminum Electrodes

  • Berrin Zeliha Can
  • Recep BoncukcuoğluEmail author
  • Alper Erdem Yılmaz
  • Baybars Ali Fil
Research Article - Chemistry

Abstract

Some boron deposits in Turkey contain considerable amounts of arsenic. Arsenic in the boron deposits can create a great risk due to its environmental effects on surface and underground waters. Water sources containing more than a certain concentration of boron and arsenic have negative effects on plants, animals and human beings. Thus, their removals are necessary. In this paper, the removal of arsenic (As) and boron (B) from aqueous solutions by electrocoagulation using aluminum (Al) electrode material was investigated. Specifically, the effects of initial pH, initial arsenic and boron concentrations and operating time on the performance of EC were investigated. Experiments were carried out with different pHs ranging from 2 to 8. Results showed that initial pH was highly effective on the efficiency and high removal efficiencies were observed at initial pH of 4.0 for both arsenic and boron. Initial arsenic and boron concentration affected the removal efficiencies. Arsenic removal efficiency decreased with increasing boron concentration, and boron removal efficiency decreased with increasing arsenic concentration. The results also showed that boron ions prevented to arsenic removal and boron ions competed with arsenic ions. This situation led to the low arsenic and boron removal.

Keywords

Aluminum electrode Arsenic removal Boron removal Electrocoagulation 

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Copyright information

© King Fahd University of Petroleum & Minerals 2015

Authors and Affiliations

  • Berrin Zeliha Can
    • 1
  • Recep Boncukcuoğlu
    • 2
    Email author
  • Alper Erdem Yılmaz
    • 2
  • Baybars Ali Fil
    • 3
  1. 1.8st Regional Directorate of State Hydraulic Works (DSİ)ErzurumTurkey
  2. 2.Department of Environmental Engineering, Engineering FacultyAtatürk UniversityErzurumTurkey
  3. 3.Department of Environmental Engineering, Engineering-Architecture FacultyBalikesir UniversityBalikesirTurkey

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