期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 10, 期 -, 页码 S1674-S1679出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.arabjc.2013.06.012
关键词
Fenton; Advanced oxidation; Wastewater treatment and chemical oxygen demand (COD)
The general strategy of this study was based on evaluation of the possibility of applying advanced photo-oxidation technique (Fenton oxidation process) for removal of the residuals organic pollutants present in cosmetic wastewater. The different parameters that affect the chemical oxidation process for dyes in their aqueous solutions were studied by using Fenton's reaction. These parameters are pH, hydrogen peroxide (H2O2) dose, ferrous sulfate (FeSO4 center dot 7H(2)O) dose, Initial dye concentration, and time. The optimum conditions were found to be: pH 3, the dose of 1 ml/l H2O2 and 0.75 g/l for Fe(II) and Fe(III) and reaction time 40 min. Finally, chemical oxygen demands (COD), before and after oxidation process was measured to ensure the entire destruction of organic dyes during their removal from wastewater. The experimental results show that Fenton's oxidation process successfully achieved very good removal efficiency over 95%. (C) 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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