Reactive dye BES golden yellow simulated wastewater was treated with H2O2-assisted photolysis method. Influences of factors such as reaction time, initial pH and H2O2 dosage were investigated, and the reaction kinetics of the process were explored. Results showed that, the degradation of 200 mg/L BES golden yellow solution happened only in the presence of both conditions: UV irradiation and H2O2 addition. Initial pH and H2O2 dosage had remarkable influence on the removal efficiency of the dye. Through several groups of univariate experiments, the optimum pH and H2O2 dosage of the photolysis process were found to be 6–7 and 0.0375 mL 30% H2O2 per milligram of BES golden yellow, respectively. The photolysis process was approximately in accordance with the second-order kinetic equation.
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Research Article|
November 01 2009
H2O2-assisted photolysis of reactive dye BES golden yellow simulated wastewater
Lv Jian-xiao;
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
E-mail: ljx5156@yahoo.com.cn
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Xie Guo-hong;
Xie Guo-hong
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
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Yue Qing-ling;
Yue Qing-ling
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
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Zhang Li;
Zhang Li
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
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Li Jian-min;
Li Jian-min
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
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Cui Ying
Cui Ying
1School of Resources & Environment, Henan Institute of Science and Technology, Xinxiang Henan, 453003, China
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Water Sci Technol (2009) 60 (9): 2329–2336.
Citation
Lv Jian-xiao, Xie Guo-hong, Yue Qing-ling, Zhang Li, Li Jian-min, Cui Ying; H2O2-assisted photolysis of reactive dye BES golden yellow simulated wastewater. Water Sci Technol 1 November 2009; 60 (9): 2329–2336. doi: https://doi.org/10.2166/wst.2009.670
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