Removal of cationic dyes from aqueous solution by adsorption on peanut hull

被引：327
|
作者：
Gong, RM [1 ]
Li, M
Yang, C
Sun, YZ
Chen, J
机构：
[1] Anhui Normal Univ, Coll Life Sci, Wuhu 241000, Peoples R China
[2] S Yangtze Univ, Sch Biotechnol, Wuxi 214036, Peoples R China
[3] Nanjing Univ, Dept Biol, Nanjing 210093, Peoples R China
来源：
JOURNAL OF HAZARDOUS MATERIALS | 2005年 / 121卷 / 1-3期
关键词：
adsorption; cationic dye; methylene blue; brilliant cresyl blue; neutral red; peanut hull;
D O I：
10.1016/j.jhazmat.2005.01.029
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The potential feasibility of peanut hul particle for removal of three cationic dyes (methylene blue, brilliant cresyl blue and neutral red) from aqueous solution was investigated. The effects of various experimental parameters were examined and optimal experimental conditions were decided. Above the value of initial pH 4, three dyes studied could be removed effectively. The isothermal data fitted the Langmuir model or Freundlich model. The adsorption processes followed the pseudo-first-order rate kinetics. The results in this study indicated that peanut hull was an attractive candidate for removing cationic dyes from dye wastewater. © 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：247 / 250
页数：4
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