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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Veröffentlicht in:	Journal of hazardous materials 2009-08, Vol.167 (1), p.966-969
Hauptverfasser:	Balasubramanian, N., Kojima, Toshinori, Basha, C. Ahmed, Srinivasakannan, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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