Biosorption of reactive dyes by dried activated sludge: equilibrium and kinetic modelling

被引：305
|
作者：
Aksu, Z [1 ]
机构：
[1] Hacettepe Univ, Dept Chem Engn, TR-06532 Ankara, Turkey
来源：
BIOCHEMICAL ENGINEERING JOURNAL | 2001年 / 7卷 / 01期
关键词：
biosorption; reactive dyes; dried activated sludge;
D O I：
10.1016/S1369-703X(00)00098-X
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The biosorption of reactive dyes (Reactive Blue 2 - RB2 and Reactive Yellow 2 - RY2) onto dried activated sludge was investigated. The dye binding capacity of biosorbent was shown as a function of initial pH, initial dye concentration and type of dye. The equilibrium data fitted very well to both the Freundlich and Langmuir adsorption models. The results showed that both the dyes uptake processes followed the second-order rate expression. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：79 / 84
页数：6
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