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Vol. 29 No. 1 (2017): Vol 29 Issue 1

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Removal of As(III) from Water by Fenton Oxidation Coupled with Flocculation

https://doi.org/10.14233/ajchem.2017.20182
Chaohui Zhou1
1Zhuoyue Comprehensive Utilization of Renewable Resources Co. Ltd., Ganzhou 341700, P.R. China 2Jiangxi University of Science and Technology, Ganzhou 34100, P.R. China *Corresponding author: E-mail: 1264702358@qq.com
Wulin Duan1
1Zhuoyue Comprehensive Utilization of Renewable Resources Co. Ltd., Ganzhou 341700, P.R. China 2Jiangxi University of Science and Technology, Ganzhou 34100, P.R. China *Corresponding author: E-mail: 1264702358@qq.com
Xiaoyan Luo1
1Zhuoyue Comprehensive Utilization of Renewable Resources Co. Ltd., Ganzhou 341700, P.R. China 2Jiangxi University of Science and Technology, Ganzhou 34100, P.R. China *Corresponding author: E-mail: 1264702358@qq.com
Yunnen Chen2
1Zhuoyue Comprehensive Utilization of Renewable Resources Co. Ltd., Ganzhou 341700, P.R. China 2Jiangxi University of Science and Technology, Ganzhou 34100, P.R. China *Corresponding author: E-mail: 1264702358@qq.com

Asian Journal of Chemistry, Vol. 29 No. 1 (2017): Vol 29 Issue 1

Abstract

As the deterioration of arsenic pollution problem, the experimental research on removal of As(III) from water by Fenton oxidation coupled with flocculation were studied. 0.5 mg/L arsenite [As(III)] water was treated by Fenton oxidation-flocculation coupled process and single flocculation process respectively. Various influence factors of Fenton method on arsenic removal were studied. The results show that Fenton method for removal of arsenic(III) is superior to single flocculation. The removal of arsenic(III) is mainly attributed to Fenton reagent reaction directly. The optimum conditions of removal of arsenic(III) from water was pH 3, H2O2 10 mg/L, Fe2+/H2O2 (n/n) 0.2, reaction time 10 min, As(III) removal reached to 95.17 %. And Fenton oxidation-flocculation method is used for drinking water treatment, the residual concentration of arsenic in water after treated group is lower than “drinking water health standards” (GB5749-2006) in the standard of 0.01 mg/L.

Keywords

Fenton reagent Oxidation As(III) Flocculation.
Zhou1, C., Duan1, W., Luo1, X., & Chen2, Y. (2016). Removal of As(III) from Water by Fenton Oxidation Coupled with Flocculation. Asian Journal of Chemistry, 29(1), 171–174. https://doi.org/10.14233/ajchem.2017.20182
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