Extraction of Metal Salts by Mixtures of Water-Immiscible Amines and Organic Acids (Acid-Base Couple Extractants). 2. Theoretical Treatment and Analysis

A comprehensive discussion is provided for the complex system obtained on equilibrating an aqueous solution of a salt with an acid-base couple (ABC) extractant. These extractants were analyzed as a combination of a liquid cation exchanger and a liquid anion exchanger operating concurrently. The effe...

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Veröffentlicht in:	Industrial & engineering chemistry research 1994-05, Vol.33 (5), p.1076-1085
Hauptverfasser:	Eyal, Aharon M, Kogan, Leni, Bressler, Eyal
Format:	Artikel
Sprache:	eng
Schlagworte:	400105 - Separation Procedures AMINES ELEMENTS EXTRACTION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ION EXCHANGE MATERIALS LIQUID ION EXCHANGERS MATERIALS MATHEMATICAL MODELS METALS ORGANIC ACIDS ORGANIC COMPOUNDS SEPARATION PROCESSES SORPTIVE PROPERTIES SURFACE PROPERTIES
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Beschreibung
Zusammenfassung:	A comprehensive discussion is provided for the complex system obtained on equilibrating an aqueous solution of a salt with an acid-base couple (ABC) extractant. These extractants were analyzed as a combination of a liquid cation exchanger and a liquid anion exchanger operating concurrently. The effect of the amine on the organic acid activity and the effect of the acid on the amine activity were compared to those of mineral bases and acids on single active component extractants. The available distribution and spectroscopic data, summarized in the previous article, are discussed.
ISSN:	0888-5885 1520-5045
DOI:	10.1021/ie00029a002