Efficient Adsorption of Cu(II) and Hg(II) from their Aqueous Solutions Using Amine Functionalized Cellulose

被引：19
|
作者：
Donia, Ahmed M. [1 ]
Atia, Asem A. [1 ]
Yousif, Shereen S. [1 ]
机构：
[1] Menoufia Univ, Fac Sci, Dept Chem, Shibin Al Kawm, Egypt
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2013年 / 34卷 / 09期
关键词：
Adsorption; cellulose; copper; mercury; resins; MAGNETIC CHELATING RESIN; GRAFT-COPOLYMERIZATION; GLYCIDYL METHACRYLATE; UPTAKE BEHAVIOR; HEAVY-METALS; REMOVAL; COPPER(II); WATER; ADSORBENT; MERCAPTAN;
D O I：
10.1080/01932691.2012.739956
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cellulose was modified with glycidyl methacrylate (GMA) and diethylenetriamine. The modified cellulose obtained was characterized by FTIR, TGA, elemental analysis, and BET measurements. The adsorption behavior of the modified cellulose toward Cu(II) and Hg(II) in aqueous solution was studied using batch technique. Maximum uptake values of 2.0 and 1.0mmol/g were recorded for Hg(II) and Cu(II), respectively. The uptake was studied at different temperatures where the thermodynamic parameters indicated endothermic nature for the adsorption process. The adsorption process was found to follow pseudo-second-order kinetics. Regeneration was achieved using acidified thiourea.
引用
收藏
页码：1230 / 1239
页数：10
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