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Metal Ion Separations in Polyethylene Glycol-Based Aqueous Biphasic Systems

  • Chapter
Aqueous Biphasic Separations

Abstract

Solvent extraction, utilizing an oil/water mixture (e.g., chloroform/water) and a suitable complexant, is a proven technology for the selective removal and recovery of metal ions from aqueous solutions.1,2 Solving the increasing number of metal ion separation problems has typically focused on finding an appropriate selective extractant, making it as lipophilic as possible, and determining the best diluent. This has often meant the use of expensive extractants and volatile, toxic, organic diluents. In addition, the extracted species is usually dehydrated and partitioned as an ion pair. Whole classes of water soluble extractants cannot be utilized in these systems.

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Authors and Affiliations

  1. Department of Chemistry, Northern Illinois University, DeKalb, IL, 60115, USA

    Robin D. Rogers, Andrew H. Bond, Cary B. Bauer, Jianhua Zhang, Mary L. Jezl, Debra M. Roden, Scott D. Rein & Richard R. Chomko

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  1. Northern Illinois University, DeKalb, Illinois

    Robin D. Rogers

  2. University of Georgia, Athens, Georgia

    Mark A. Eiteman

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Rogers, R.D. et al. (1995). Metal Ion Separations in Polyethylene Glycol-Based Aqueous Biphasic Systems. In: Rogers, R.D., Eiteman, M.A. (eds) Aqueous Biphasic Separations. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1953-9_1

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  • DOI: https://doi.org/10.1007/978-1-4615-1953-9_1

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