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Degradation of dyes in aqueous solutions by the Fenton process
Xu, XR; Li, HB; Wang, WH; Gu, JD
2004
Source PublicationCHEMOSPHERE
Volume57Issue:7Pages:595-600
AbstractDegradation of 20 different dyes in aqueous solutions by the Fenton process was performed. These dyes include 6 types: acidic, reactive, direct, cationic, disperse and vat dyes. The former four types of dyes were decolorized and their TOC values were decreased greatly, while the color and TOC removals of the latter two types were lower. The catalytic activities of four metal ions on the degradation efficiencies of Vat Blue BO, which was chosen as a model dye because of its lowest color and TOC removals, were compared in the dark and under the ultraviolet light irradiation. The catalytic ability of different metals was Fe2+ > Cu2+ > Mn2+ > Ag+ in the dark, and the same sequence was obtained under irradiation condition with greater degradation efficiency. Furthermore, the efficiencies of three oxidation processes, including H2O2/UV, Fe2+/H2O2 and Fe2+/H2O2/UV were compared. The results showed that the oxidation by Fe2+/H2O2/UV was the strongest, and even greater than the arithmetic sum of the other two processes, which suggests the synergistic effect of ultraviolet and ferrous ions on the degradation reaction. (C) 2004 Elsevier Ltd. All rights reserved.
Department中国科学院环境生物技术重点实验室
KeywordTextile Wastewater Treatment Hydrogen Peroxide Oxidation
DOI10.1016/j.chemosphere.2004.07.030
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000224879300008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/23586
Collection中国科学院环境生物技术重点实验室
Recommended Citation
GB/T 7714
Xu, XR,Li, HB,Wang, WH,et al. Degradation of dyes in aqueous solutions by the Fenton process[J]. CHEMOSPHERE,2004,57(7):595-600.
APA Xu, XR,Li, HB,Wang, WH,&Gu, JD.(2004).Degradation of dyes in aqueous solutions by the Fenton process.CHEMOSPHERE,57(7),595-600.
MLA Xu, XR,et al."Degradation of dyes in aqueous solutions by the Fenton process".CHEMOSPHERE 57.7(2004):595-600.
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