Use of Descurainia sophia L. As a natural coagulant for the treatment of dye-containing wastewater

被引：6
|
作者：
Ahmadi, Neda [1 ]
Chaibakhsh, Naz [1 ]
Zanjanchi, Mohammad Ali [1 ]
机构：
[1] Univ Guilan, Dept Chem, Fac Sci, Rasht, Iran
来源：
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY | 2016年 / 35卷 / 04期
关键词：
Descurainia sophia L; dye; natural coagulant; wastewater; neutral red; NEUTRAL RED; REMOVAL; FLOCCULATION; SEEDS; OPTIMIZATION; WASTEWATERS; TURBIDITY; EXTRACT;
D O I：
10.1002/ep.12311
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, Descurainia sophia L. has been introduced as a potential source of natural coagulant for the treatment of dye-containing wastewater. Response surface methodology (RSM) based on a three-variable, three-level Box-Behnken design (BBD) was used to analyze the decolorization of a model textile wastewater containing neutral red dye. The effect of three parameters including contact time, pH, and the coagulant dose on the color removal was investigated. A second-order polynomial equation could accurately model the process with a R-2 of 0.96. The pH was found to be the most significant parameter affecting the color removal. High color (90.2%) removal efficiency was obtained at the optimal conditions of 6.5 min, pH 5.6, and 102.6 mg/L of coagulant. (c) 2016 American Institute of Chemical Engineers Environ Prog, 35: 996-1001, 2016
引用
收藏
页码：996 / 1001
页数：6
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