Removal of leather tanning agent syntan from aqueous solution using Fenton oxidation followed by GAC adsorption

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Journal Article
Journal of Industrial and Engineering Chemistry, 2015, 21 pp. 483 - 488
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© 2014 The Korean Society of Industrial and Engineering Chemistry. The optimum conditions for the removal of leather tanning agent syntan from aqueous solution by Fenton oxidation at 22°C for an initial syntan concentration of 500 mg/L were pH 3, and concentrations of H 2 O 2 and FeSO 4 of 300mg/L and 500mg/L, respectively. Fenton oxidation followed by granular activated carbon (GAC) adsorption in fixed-bed column resulted in more than 95% removal of dissolved organic carbon, compared to 55-70% removal by Fenton oxidation alone and GAC adsorption alone. The removal of individual organic fractions was also higher for the combined treatment compared to the Fenton oxidation alone.
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