| US 7,491,345 B2 | ||
| Extraction mixture for recovery of actinide elements from acidic solutions | ||
| Masaki Ozawa, Higashi-Ibaraki-gun (Japan); Vasily Alexandrovich Babain, St-Petersburg (Russian Federation); Yury Stepanovich Fedorov, St-Petersburg (Russian Federation); Andey Yurievich Shadrin, St-Petersburg (Russian Federation); Valery Nikolaevich Romanovsky, St-Petersburg (Russian Federation); Igor Valentinovich Smirnov, St-Petersburg (Russian Federation); and Boris Yakovlevich Zilberman, St-Petersburg (Russian Federation) | ||
| Assigned to Japan Nuclear Cycle Development Institute, Ibaraki-ken (Japan) | ||
| Filed on Apr. 04, 2005, as Appl. No. 11/97,257. | ||
| Claims priority of application No. 2004124918 (RU), filed on Aug. 13, 2004. | ||
| Prior Publication US 2006/0033085 A1, Feb. 16, 2006 | ||
| Int. Cl. B01D 11/00 (2006.01) | ||
| U.S. Cl. 252—184 [252/364; 423/9; 423/10; 423/DIG. 14] | 2 Claims |
| 1. An extraction mixture for recovery of actinide elements from acidic solutions, which comprises a solution of dihexyl-N,N-diethylcarbamoyl
phosphonate in a polar diluent, wherein bis-tetrafluoropropyl ether of diethylene glycol is used as the polar diluent,
and the dihexyl-N,N-diethylcarbamoyl phosphonate is contained in the solution in a concentration of 0.1-1.2 M/L.
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