Microwave-assisted functionalized lignin with dithiocarbamate for enhancing adsorption of Pb(II)

被引：35
|
作者：
Yan, Mingfang [1 ]
Li, Zhili [2 ]
机构：
[1] Guangdong Pharmaceut Univ, Sch Chem & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 170卷
基金：
中国国家自然科学基金;
关键词：
Lignin; Microwave; Lead; Adsorption; Heavy metal; POROUS LIGNIN; AQUEOUS-SOLUTIONS; REMOVAL; IONS; LEAD; COMPOSITES;
D O I：
10.1016/j.matlet.2016.02.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study firstly reported a microwave-assisted functionalized lignin with dithiocarbamate (LD) for enhancing adsorption of Pb(II) in water. It was found that LD particles were about 1 mu m in diameter with plenty of dithiocarbamate functional groups. LD showed a fast adsorption to Pb(II) with an equilibration time of 45 min. The saturated adsorption capacity to Pb(II) was 106 mg/g, which was 7.5 times of the original lignin and also higher than other lignin-based adsorbents. The prepared material can not only effectively adsorb Pb(II) in water, but also be easily prepared. These findings demonstrate that LD has great potential applications in adsorption and separation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：135 / 138
页数：4
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