Application of synthetic poly(DADM) flocculants for dye wastewater treatment

被引：25

作者：

Choi, JH

Shin, WS

Lee, SH

Joo, DJ

Lee, JD

Choi, SJ ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Dept Environm Engn, Taegu 702701, South Korea

[2] Res Inst Ind Sci & Technol, Water Environm Res Team, Pohang 790600, South Korea

来源：

ENVIRONMENTAL TECHNOLOGY | 2001年 / 22卷 / 09期

关键词：

wastewater; poly(DADM); flocculant; intrinsic viscosity; dye; color;

D O I：

10.1080/09593332208618213

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Poly(DADM) flocculants were synthesized and applied for the removal of color, turbidity and organic materials from dye wastewater. The effect of poly(DADM) on color removal was investigated by comparing two treatments: (i) alum alone and (ii) alum/poly(DADM) in combination. The effects of poly(DADM) flocculant, poly(DADM) concentration, poly(DADM) types and pH on the removal efficiency of coloring materials were investigated. Poly(DADM) flocculants were highly efficient in the removal of color and turbidity from dye wastewater. Compared to treatment with alum alone, the addition of a small amount of poly(DADM) (25 mg l(-1)) reduced alum dosage by 50% while improving color removal efficiency. Highly efficient color removal was obtained in wide pH ranges by adding poly(DADM) as a flocculant. Our results indicate that the use of poly(DADM) flocculant is cost effective in dye wastewater treatment by reducing sludge production and the dosage of inorganic coagulant. Effects of zeta potential were also investigated.

引用

页码：1025 / 1033

页数：9

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