Treatment of dye wastewater containing acid orange II using a cell with three-phase three-dimensional electrode

被引：226

作者：

Xiong, Y ^{[1
]}

Strunk, PJ

Xia, HY

Zhu, XH

Karlsson, HT

机构：

[1] Zhongshan Univ, Dept Chem, Guangzhou 510275, Peoples R China

[2] Lund Univ, Ctr Chem, Dept Chem Engn 2, S-22100 Lund, Sweden

来源：

WATER RESEARCH | 2001年 / 35卷 / 17期

基金：

中国国家自然科学基金;

关键词：

electrochemistry; three-dimensional electrode; wastewater dye; Acid Orange II;

D O I：

10.1016/S0043-1354(01)00147-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The removal of color and chemical oxygen demand (COD) from simulated dye wastewater containing Acid Orange II was experimentally investigated using coagulation-electrooxidation. Two kinds of coagulation methods, ferrous-mediated coagulation and electrocoagulation were tested as pretreatment. The electrooxidation was carried out in a cell with a three-phase three-dimensional electrode using granular activated carbon as particle electrodes. Particular attention was paid to probe the effect of cell voltage, airflow rate, solution conductivity and treatment time on the electrochemical treatment efficiency. The experimental results showed that the coagulation-electrooxidation process could efficiently remove the color and the COD from the simulated dye wastewater. The overall COD and color removal efficiencies reached as high as 99% and 87%, respectively, by ferrous coagulation (molar rate of Fe(II)/dye: 0.5) and 30-min electrolysis (cell voltage: 20.0V and airflow: 0.1 m(3)h(-1)). (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：4226 / 4230

页数：5

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