Ionic Liquids with Amino Moieties: Selective and Reversible Extraction/Back-Extraction for Platinum Group Metal Ions from Aqueous Solutions

Ionic Liquids with Amino Moieties: Selective and Reversible Extraction/Back-Extraction for Platinum Group Metal Ions from Aqueous Solutions

Ionic liquids (ILs) with amino moieties were designed and synthesized as extractants for the selective extraction of platinum group metal (PGM) ions into IL phases from mixed aqueous HCl solutions with PGM and other transition metal ions. The loaded PGM ions in the IL phase were successfully back-ex...

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Veröffentlicht in:Chemistry letters 2017-09, Vol.46 (9), p.1422-1425
Hauptverfasser: Ma, Su, Funaki, Kenji, Miyazaki, Atsushi, Muramatsu, Atsushi, Kanie, Kiyoshi
Format: Artikel
Sprache:eng
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Zusammenfassung:Ionic liquids (ILs) with amino moieties were designed and synthesized as extractants for the selective extraction of platinum group metal (PGM) ions into IL phases from mixed aqueous HCl solutions with PGM and other transition metal ions. The loaded PGM ions in the IL phase were successfully back-extracted into an ammonia solution. The back-extraction ability enabled us to apply the current system to a multicycle green PGM-extraction process.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.170599