Chapter 6 Extraction of Metals Using Supercritical Fluids

Can Erkey

Abstract

Solvent extraction is a well-established process within the inorganic chemical and hydrometallurgical industries for transfer of cations or anions from an aqueous phase into an organic phase [1]. As direct extraction of ionic species is energetically very unfavorable, transfer is accomplished by forming organic-soluble neutral complexes in the aqueous phase by reactions between the ionic species of interest and an appropriate organic compound (extractant).

Keywords

SCFs, Solvent extraction, Cation exchangers, HSAB, Crown ethers

Solvent extraction is a well-established process within the inorganic chemical and hydrometallurgical industries for transfer of cations ...

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