Electrospun membrane of cellulose acetate for heavy metal ion adsorption in water treatment

被引：242

作者：

Tian, Ye ^{[2
]}

Wu, Min ^{[1
]}

Liu, Ruigang ^{[2
]}

Li, Yanxiang ^{[2
,3
]}

Wang, Deqian ^{[2
,3
]}

Tan, Junjun ^{[2
,3
]}

Wu, Rongcheng ^{[5
]}

Huang, Yong ^{[1
,2
,4
]}

机构：

[1] Chinese Acad Sci, State Engn Res Ctr Engn Plast, Tech Inst Phys & Chem, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

[4] Chinese Acad Sci, Lab Cellulose & Lignocellulos Chem, Guangzhou Inst Chem, Guangzhou 510650, Guangdong, Peoples R China

[5] Beijing China Sci Environm Protect Co Ltd, Beijing 100080, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2011年 / 83卷 / 02期

关键词：

Electrospinning; Metal ions; Cellulose acetate; Water treatment; WASTE-WATER; GRAFT-COPOLYMERIZATION; REMOVAL; ADSORBENTS; COPPER; BLEND;

D O I：

10.1016/j.carbpol.2010.08.054

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Cellulose acetate (CA) nonwoven membrane for heavy metal ion adsorption was prepared by electrospinning and surface modification with poly(methacrylic acid) (PMAA) The morphology and graft modification of the membrane were characterized by SEM and ATR-FTIR The adsorption of heavy metal ions Cu2+ Hg2+ and Cd2+ on this membrane was investigated The adsorption capacity increased with the increasing of initial pH value in the system This membrane has quite high adsorption selectivity for Hg2+ The adsorbed metal ions can be easily de-adsorbed from the membrane surface by using saturated ethylenedinitrilo tetraacetic acid solution and can be re-used for the metal ion adsorption (C) 2010 Elsevier Ltd All rights reserved

引用

页码：743 / 748

页数：6

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