Removal of arsenic from aqueous solution using electrocoagulation

Removal of arsenic from aqueous solution was carried out using electrocoagulation. Experiments were conducted using mild steel sacrificial anode covering wide range in operating conditions to assess the removal efficiency. The maximum arsenic removal efficiency was recorded as 94% under optimum cond...

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Bibliographic Details
Published in:Journal of hazardous materials 2009-08, Vol.167 (1), p.966-969
Main Authors: Balasubramanian, N., Kojima, Toshinori, Basha, C. Ahmed, Srinivasakannan, C.
Format: Article
Language:English
Subjects:
Adsorption
Adsorption isotherm
Applied sciences
Arsenic - isolation & purification
Arsenic removal
Chemical engineering
Electrocoagulation
Electrocoagulation - methods
Exact sciences and technology
Pollution
Pseudo first order kinetics
Solutions
Water Pollutants, Chemical - isolation & purification
Water Purification - methods
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Summary:Removal of arsenic from aqueous solution was carried out using electrocoagulation. Experiments were conducted using mild steel sacrificial anode covering wide range in operating conditions to assess the removal efficiency. The maximum arsenic removal efficiency was recorded as 94% under optimum condition. The electrocoagulation mechanism of arsenic removal has been developed to understand the effect of applied charge and electrolyte pH on arsenic removal efficiency. Further the experimental data were tested with different adsorption isotherm model to describe the electrocoagulation process.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2009.01.081