Cationic Dye Removal from Aqueous Solutions Using Ionic Liquid and Nonionic Surfactant-Ionic Liquid Systems: A Comparative Study Based upon Experimental Design

被引：34

作者：

Talbi, Z. ^{[1
]}

Haddou, B. ^{[1
]}

Ghouas, H. ^{[1
]}

Kameche, M. ^{[1
]}

Derriche, Z. ^{[1
]}

Gourdon, C. ^{[2
]}

机构：

[1] UST Oran, Fac Sci, Dept Chim, Lab Physicochim Mat, Oran, Algeria

[2] UMR, Lab Genie Chim, Toulouse, France

来源：

CHEMICAL ENGINEERING COMMUNICATIONS | 2014年 / 201卷 / 01期

关键词：

Cloud point extraction; Ionic liquid; Methylene blue; Nonionic surfactant; CLOUD POINT EXTRACTION; METHYLENE-BLUE; FOOD SAMPLES; ORANGE-II; AZO DYES; WATER; PROTEIN; PHENOL;

D O I：

10.1080/00986445.2012.759563

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In order to separate methylene blue from aqueous solution, a novel method based upon liquid-liquid extraction, using a nonionic surfactant-ionic liquid system as extracting phase, was investigated. A comparative study was carried out with the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, known as [C4mim]PF6. By using the nonionic surfactant-ionic liquid system, the extraction efficiency could reach 97.8%, indicating that the addition of nonionic surfactant (Triton X-114) significantly improves the extraction of methylene blue. Under optimal conditions, the dye concentration in the effluent showed an almost 50-fold reduction. However, the extraction extent of methylene blue was found to be low at low pH values, and in the presence of K2CO3, which may be useful for surfactant-ionic liquid system regeneration.

引用

页码：41 / 52

页数：12

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