Research Article

Treatment of Effluent from a Factory of Paints Using Solar Photo-Fenton Process

Figure 4

Influence of Fe2+ concentration on (a) kinetics of DOC removal of the effluent (solid symbols) and consumption of H2O2 (open symbols); (b) dissolved iron species (solid symbols: Fe2+ concentration, open symbols: Fe3+ concentration) during the solar photo-Fenton treatment of the soluble fraction of the effluent under study. Experimental conditions: DOC = 247 mg C L−1; H2O2 = 1600 mg L−1 replaced in 78.3 kJ m−2 to 45 mg L−1 Fe2+ and 47.1 kJ m−2 to 75 and 105 mg L−1 Fe2+; and pH = 2.5–2.8. Irradiation time:  min (238 kJ m−2) and solar light average intensity:  W m−2.
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340347.fig.004b
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