Removal of methylene blue from aqueous solutions by poly(acrylic acid) and poly(ammonium acrylate) assisted ultrafiltration

被引：50

作者：

Ben Fradj, Anouar ^{[1
]}

Ben Hamouda, Sofiane ^{[1
]}

Ouni, Hedia ^{[1
]}

Lafi, Ridha ^{[1
]}

Gzara, Lassad ^{[2
]}

Hafiane, Amor ^{[1
]}

机构：

[1] CERTE, Lab Wastewater Treatment, Soliman 8020, Tunisia

[2] King Abdulaziz Univ, Ctr Excellence Indesalinat Technol, Jeddah 21413, Saudi Arabia

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2014年 / 133卷

关键词：

Poly(acrylic acid); Poly(ammonium acrylate); Methylene blue; Dye removal; Polyelectrolyte enhanced-ultrafiltration; POLYELECTROLYTE-ENHANCED ULTRAFILTRATION; WASTE-WATER; CATIONIC DYES; TEXTILE DYES; MEMBRANE; ADSORPTION; SEPARATION; IONS; PEUF;

D O I：

10.1016/j.seppur.2014.06.038

中图分类号：

TQ [化学工业];

学科分类号：

081705 [工业催化];

摘要：

Despite the numerous works dealing with the application of polyelectrolyte-enhanced ultrafiltration (PEUF) for the removal of micropollutants, its application for the treatment of dye effluent is very scarce. In the present study we investigated the recovery of methylene blue (MB), a phenothiazine cationic dye, by ultrafiltration with two anionic polyelectrolytes used as complexing agents. The ultrafiltration experiments were operated in batch mode with stirred cell equipped with 10,000 MWCO regenerated cellulose. Effects of operating conditions, e.g., transmembrane pressure, feed polyelectrolyte, feed dye solution, NaCl concentration, and pH on dye retention and permeate flux have been analyzed. High retention rate of dye in the order of 98% was obtained as a result of complexation between anionic polyelectrolyte and cationic dye. However the retention of the dye decreases as the salt concentration increases and pH decreases. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：76 / 81

页数：6

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