Extraction of rare earth elements from their oxides using organophosphorus reagent complexes with HNO3 and H2O in supercritical CO2

Journal of Rare Earths

Volumn 28, Issue 2, 2010, Pages 221-226

  Wuhua, Duan ^a   Pijia, Cao ^a   Yongjun, Zhu ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

Extraction; Rare earths

Indexed keywords

CARBON DIOXIDE; EFFICIENCY; METAL RECOVERY; NEODYMIUM; PHOSPHORUS COMPOUNDS; PURIFICATION; RARE EARTH ELEMENTS; RARE EARTHS;

DIRECT EXTRACTION; DYNAMIC EXTRACTION; EXPERIMENTAL CONDITIONS; EXTRACTION EFFICIENCIES; EXTRACTION PROCESS; OPTIMUM CONDITIONS; ORGANOPHOSPHORUS REAGENT; TRI-N-BUTYLPHOSPHATE;

EXTRACTION;

EID: 79960559153     PISSN: 10020721     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1002-0721(09)60084-3     Document Type: Article

References (17)

1. Xu Guangxian. Rare Earths. Beijing: Metallurgy Industry Press (in Chin.), 2002. 24.
2. Jiang Shengjie, Ren Fengyi. Reprocessing Engineering of Nuclear Fuel. Beijing: Nuclear Energy Press (in Chin.), 1995. 8.
3. Wai C M, Wang S F. Supercritical fluid extraction: Metal as complexes. J. Chromatogr. A, 1997, 785: 369.
4. Adhraf-Khorassani M, Combs M T, Taylor L T. Supercritical fluid extraction of metal ions and metal chelates from different environments. J. Chromatogr. A, 1997, 774: 37.
5. Erkey C. Supercritical carbon dioxide extraction of metals from aqueous solutions: a review. J. Supercrit. Fluid, 2000, 17(3): 259.
6. Lin Y H, Brauer R D, Laintz K E, Wai C M. Supercritical fluid extraction of lanthanides and actinides from solid materials with a fluorinated β-diketone. Anal. Chem., 1993, 65(18): 2549.
7. 2. J. Supercrit. Fluid, 2000, 18(2): 157.
8. Shimizu R, Sawada K, Enokida Y, Yamamoto I. Supercritial fluid extraction of rare earth elements from luminescent material in waste fluorescent lamps. J. Supercrit. Fluid, 2005, 33(3): 235
9. 3 complex. Sep. Sci. Technol., 2002, 37(5): 1153.
10. 3-TBP complex as a reactant. J. Nucl. Sci. Technol., 2001, 38(12): 1097.
11. Shadrin A, Murzin A, Lumpov A. The possibility of reprocessing of spent nuclear fuel using supercritical fluids. Solvent Ext. Ion. Exch., 2008, 26(6): 797.
12. Zhu Yongjun, Jiao Rongzhou. Chinese experience in the removal of actinides from highly active waste by trialkylphosphine- oxide extraction. Nucl. Technol., 1994, 108(3): 361.
13. Wang Jianchen, Tian Guoxin, Song Chongli. Application of miniature centrifugal contactors for treating high-level liquid waste. Sep. Sci. Technol., 2001, 36(13): 2983.
14. Duan Wuhua, Wang Jianchen, Zhou Xiuzhu, Chen Jing. Application of φ70 mm centrifugal contactors in the pilot plant test of the total partitioning process using the simulated high level waste. Solvent Ext. Ion. Exch., 2008, 26(6): 783.
15. Euzebiusz D, Jan S. Composition of CYANEX 923, CYANEX 925, CYANEX 921 and TOPO. Solvent Extr. Ion Exch. 1998, 16(6): 1515.
16. 2. Chinese J Chem, 2007, 25(3): 319.
17. 2. Sci. in China Ser. B: Chem, 2007, 25(3): 319.