Boron removal from aqueous solution by using plasma-modified and unmodified anion-exchange membranes

被引：40

作者：

Kir, Esengul ^{[1
]}

Gurler, Berrin ^{[1
]}

Gulec, Ali ^{[2
]}

机构：

[1] Suleyman Demirel Univ, Fac Sci & Art, Dept Chem, TR-32260 Isparta, Turkey

[2] Suleyman Demirel Univ, Fac Sci & Art, Dept Phys, TR-32260 Isparta, Turkey

来源：

DESALINATION | 2011年 / 267卷 / 01期

关键词：

Donnan dialysis; Boron; Anion-exchange membrane; Removal; Plasma modification; ION-EXCHANGE; DONNAN DIALYSIS; REVERSE-OSMOSIS; CONTAINING WASTEWATERS; FLUORIDE REMOVAL; RED MUD; WATER; RECOVERY; RESIN; ADSORPTION;

D O I：

10.1016/j.desal.2010.08.037

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The removal of boron from aqueous solution through plasma-modified and unmodified AFX anion-exchange membrane was investigated by the Donnan dialysis (DD) method. The surface of anion-exchange membrane was treated by electron cyclotron resonance plasma (ECR) to enhance the performance. The effects of plasma-modified anion-exchange membrane and initial boron concentration on the boron removal were investigated at 25 degrees C. The optimum pH was chosen as 9.5 from the literature data. The flux values (J) and recovery factor (RF) of boron were obtained before and after the plasma modification. Under Donnan dialysis conditions, flux values and recovery factors of boron were calculated and the highest values were obtained for plasma-modified AFX membrane as compared with the unmodified one. This situation can be explained by change of morphology of pores in the plasma-modified membrane. In addition, the different valence anions also influence the flux of boron and the order of flux was found as Cl(-) >SO(4)(2-). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：114 / 117

页数：4

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