Adsorptive removal of iron and manganese ions from aqueous solutions with microporous chitosan/polyethylene glycol blend membrane

被引：0

作者：

Neama A.Reiad ^{[1
]}

Omar E.Abdel Salam ^{[2
]}

Ehab F.Abadir ^{[2
]}

Farid A.Harraz ^{[3
]}

机构：

[1] Sanitary & Environmental Department,Housing & Building National Research Center,87 el Tahrir st.,Dokki,Egypt

[2] Department of Chemical Engineering,Faculty of Engineering,Cairo University,Giza,Egypt

[3] Advanced Materials Technology Department,Central Metallurgical R & D Institute,Helwan,Egypt

来源：

Journal of Environmental Sciences | 2012年 / 08期

关键词：

chitosan; blend membrane; iron and manganese ions; adsorption;

D O I：

暂无

中图分类号：

X703 [废水的处理与利用];

学科分类号：

083002 ;

摘要：

Microporous chitosan(CS) membranes were directly prepared by extraction of poly(ethylene glycol)(PEG) from CS/PEG blend membrane and were examined for iron and manganese ions removal from aqueous solutions.The different variables affecting the adsorption capacity of the membranes such as contact time,pH of the sorption medium,and initial metal ion concentration in the feed solution were investigated on a batch adsorption basis.The affinity of CS/PEG blend membrane to adsorb Fe(II) ions is higher than that of Mn(II) ions,with adsorption equilibrium achieved after 60 min for Fe(II) and Mn(II) ions.By increasing CS/PEG ratio in the blend membrane the adsorption capacity of metal ions increased.Among all parameters,pH has the most significant effect on the adsorption capacity,particularly in the range of 2.9-5.9.The increase in CS/PEG ratio was found to enhance the adsorption capacity of the membranes.The effects of initial concentration of metal ions on the extent of metal ions removal were investigated in detail.The experimental data were better fitted to Freundlich equation than Langmuir.In addition,it was found that the iron and manganese ions adsorbed on the membranes can be effectively desorbed in 0.1 mol/L HCl solution(up to 98% desorption efficiency) and the blend membranes can be reused almost without loss of the adsorption capacity for iron and manganese ions.

引用

页码：1425 / 1432

页数：8

共 10 条

[1] Adsorption of some heavy metal ions from aqueous solutions on Nafion 117 membrane
Nasef, Mohamed Mahmoud
Yahaya, Abdul Hamid
[J]. DESALINATION, 2009, 249 (02) : 677 - 681
[2] In vitro release and characterization of chitosan films as dexamethasone carrier[J] . Lívia B. Rodrigues,Helena F. Leite,Maria I. Yoshida,Juliana B. Saliba,Armando S. Cunha Junior,André A.G. Faraco.International Journal of Pharmaceutics . 2008 (1)
[3] Adsorptive removal of copper ions with highly porous chitosan/cellulose acetate blend hollow fiber membranes[J] . Chunxiu Liu,Renbi Bai.Journal of Membrane Science . 2006 (1)
[4] Preparation of sub-micrometer porous membrane from chitosan/polyethylene glycol semi-IPN[J] . Minfeng Zeng,Zhengping Fang.Journal of Membrane Science . 2004 (1)
[5] Copper(II) removal from polluted water with alumina/chitosan composite membranes[J] . G.C. Steenkamp,K. Keizer,H.W.J.P. Neomagus,H.M. Krieg.Journal of Membrane Science . 2002 (1)
[6] A review of chitin and chitosan applications
Kumar, MNVR
[J]. REACTIVE & FUNCTIONAL POLYMERS, 2000, 46 (01) : 1 - 27
[7] Interpenetrating polymer network hydrogels based on poly(ethylene glycol) macromer and chitosan
Lee, SJ
Kim, SS
Lee, YM
[J]. CARBOHYDRATE POLYMERS, 2000, 41 (02) : 197 - 205
[8] Properties of the poly(vinyl alcohol)/chitosan blend and its effect on the culture of fibroblast in vitro
Chuang, WY
Young, TH
Yao, CH
Chiu, WY
[J]. BIOMATERIALS, 1999, 20 (16) : 1479 - 1487
[9] Iron and manganese dynamics in lake water
Zaw, M
Chiswell, B
[J]. WATER RESEARCH, 1999, 33 (08) : 1900 - 1910
[10] Cibacron Blue F3GA-attached polyvinylbutyral microbeads as novel magnetic sorbents for removal of Cu(II), Cd(II) and Pb(II) ions[J] . Journal of Chromatography A . 1998 (1)

← 1 →