Separation of precious metals by split-anion extraction using water-saturated ionic liquids

A split-anion solvent extraction process was developed for the separation of precious metal ions Au( iii ), Pt( iv ), Pd( ii ) and Rh( iii ) from aqueous chloride media using water-saturated ionic liquids. The metal extraction and stripping behavior of the chloride form [A336][Cl], bromide form [A33...

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Veröffentlicht in:	Green chemistry : an international journal and green chemistry resource : GC 2020-12, Vol.22 (23), p.8375-8388
Hauptverfasser:	Nguyen, Viet Tu, Riaño, Sofía, Binnemans, Koen
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidity Aliquat Ammonia Ammonium Ammonium hydroxide Anions Catalysts Chemical bonds Chloride Chlorides Coordination compounds Data integration Gold Green chemistry Iodides Ionic liquids Ions Leachates Mass balance Materials recovery Metal ions Metals NMR Noble metals Nuclear magnetic resonance Palladium Platinum Rhodium Separation Sodium thiosulfate Solvent extraction Solvent extraction processes Solvents Stripping Thiosulfate Thiosulfates Thiourea
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