Cationic Dye Removal from Aqueous Solutions Using Ionic Liquid and Nonionic Surfactant-Ionic Liquid Systems: A Comparative Study Based upon Experimental Design
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.
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Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Rafiq, Rehan
Ahmad, Aqeel
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Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Ahmad, Aqeel
Maulud, Abdulhalim Shah
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Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Maulud, Abdulhalim Shah
Moniruzzaman, Muhammad
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Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, Malaysia
Univ Teknol PETRONAS, Ctr Res Ion Liquids CORIL, Inst Contaminant Management ICM, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
机构:
Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Rafiq, Rehan
Ahmad, Aqeel
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h-index: 0
机构:
Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Ahmad, Aqeel
Maulud, Abdulhalim Shah
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India
Maulud, Abdulhalim Shah
Moniruzzaman, Muhammad
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol PETRONAS, Dept Chem Engn, Seri Iskandar 32610, Perak, Malaysia
Univ Teknol PETRONAS, Ctr Res Ion Liquids CORIL, Inst Contaminant Management ICM, Seri Iskandar 32610, Perak, MalaysiaAtria Inst Technol, Dept Chem, Bengaluru 560024, Karnataka, India