Enhanced Adsorption of Malachite Green by EDTAD-modified Sugarcane Bagasse

被引：22
|
作者：
Xing, Yun [1 ]
Deng, Dehua [1 ]
机构：
[1] Anyang Normal Univ, Coll Chem & Chem Engn, Anyang 455002, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2009年 / 44卷 / 09期
关键词：
adsorption; Ethylenediaminetetraacetic dianhydride; malachite green; sugarcane bagasse; AQUEOUS-SOLUTIONS; DYE; EQUILIBRIUM; REMOVAL; KINETICS; SORPTION; FIBER;
D O I：
10.1080/01496390902775588
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ethylenediaminetetraacetic dianhydride (EDTAD) modified sugarcane bagasse (SB) was prepared and characterized by Fourier transform infrared spectroscopy (FTIR). Due to the presence of a large number of carboxyl groups, the adsorption capacity of the EDTAD modified SB (EDTAD-SB) for malachite green (MG) showed a significant increase compared with SB. Increase in ion strength of solution-induced decline of MG sorption. The maximum adsorption capacities were 157.2 mg g(-1) for MG, according to the Langmuir equation. Kinetic studies showed better correlation coefficients for a pseudo-second-order kinetic model, confirming that the sorption rate was controlled by a chemisorption process.
引用
收藏
页码：2117 / 2131
页数：15
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