Nonionic Microemulsion Extraction of Ni (II) from Wastewater

Two W/O microemulsion systems, Water/iso-C3-ol/Brij 30/PO and Water/Brij 30/EtOAc, have been proved to have high yields in removal and recovery of metal ions (Ni (II)) from wastewater. The influence of some parameters, such as aqueous phases to microemulsion volumetric ratio, oil type, concentration...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2010-01, Vol.523 (1), p.63/[635]-72/[644]
Main Authors: Mihaly, Maria, Comanescu, Alina Florentina, Rogozea, Elena Adina, Meghea, Aurelia
Format: Article
Language:English
Subjects:
Aqueous solutions
Bioremediation
Crystals
Distribution coefficient
Extraction
Extraction processes
Ions
Liquid crystals
Microemulsions
Nickel
nickel extraction
non-ionic microemulsion
Phases
Surfactants
Waste water
Water treatment
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Summary:Two W/O microemulsion systems, Water/iso-C3-ol/Brij 30/PO and Water/Brij 30/EtOAc, have been proved to have high yields in removal and recovery of metal ions (Ni (II)) from wastewater. The influence of some parameters, such as aqueous phases to microemulsion volumetric ratio, oil type, concentration of the surfactant and distribution coefficient of Ni (II) between aqueous and microemulsion phases, on separation of nickel ion from aqueous solution have been studied. The extraction of Ni (II) is very efficient for concentrations of nickel aqueous solutions less than 1000 mg/L, when the extraction efficiency is up to 85%.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421401003719837