Liquid-Liquid Extraction of Uranium from Phosphoric Acid by HDEHP-CYANEX-921 Mixture

Trioctyl phosphine oxide (TOPO) is commonly used for the solvent extraction of U(VI) as uranyls, but is very expensive. Cyanex-921, which contains 93% TOPO, is investigated here as a substitute for TOPO. Kinetic and other studies indicate that Cyanex-921 can substitute TOPO to synergize the extracti...

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Veröffentlicht in:	Journal of chemical technology and biotechnology (1986) 1997-06, Vol.69 (2), p.271-275
Hauptverfasser:	El-Reefy, Sohair A., Awwad, Nasser S., Aly, Hisham F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry CYANEX-921-HDEHP Exact sciences and technology extraction Inorganic chemistry and origins of life Kinetics and mechanism of reactions phosphoric acid single drop kinetics uranium
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Beschreibung
Zusammenfassung:	Trioctyl phosphine oxide (TOPO) is commonly used for the solvent extraction of U(VI) as uranyls, but is very expensive. Cyanex-921, which contains 93% TOPO, is investigated here as a substitute for TOPO. Kinetic and other studies indicate that Cyanex-921 can substitute TOPO to synergize the extraction of uranyl ions.
ISSN:	0268-2575 1097-4660
DOI:	10.1002/(SICI)1097-4660(199706)69:2<271::AID-JCTB705>3.0.CO;2-N