Separation and Recovery of Light Rare-Earths from Chloride Solutions using Organophosphorus based Extractants

Separation Science and Technology (Philadelphia)

Volumn 47, Issue 11, 2012, Pages 1644-1650

  Kim, Joon Soo ^a   Nagaphani Kumar, B ^b   Lee, Jin Young ^a   Lakshmi Kantam, M ^b   Ramachandra Reddy, B ^b,c  

^a Korea Institute of Geosceince and Mineral Resources   (South Korea)

^b INDIAN INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

^c Rubamin Limited   (India)

Author keywords

light rare earths; organophosphorus extractants; separation factors; solvent extraction

Indexed keywords

2-ETHYL HEXYL PHOSPHONIC ACID MONO 2-ETHYL HEXYL ESTER; CERIC HYDROXIDE; CHLORIDE SOLUTIONS; CYANEX 272; DI-2-ETHYLHEXYL PHOSPHORIC ACIDS; EXTRACTANTS; EXTRACTION EFFICIENCIES; INITIAL PH VALUE; LEACH LIQUORS; ORGANIC PHASE; ORGANO-PHOSPHORUS EXTRACTANTS; PHOSPHINIC ACID; PROCESS FLOW-SHEET; RAFFINATES; SEPARATION FACTORS; SODIUM HYDROXIDES; SODIUM HYPOCHLORITES;

CERIUM; CHLORINE COMPOUNDS; LEACHING; NEODYMIUM; PHOSPHATE MINERALS; PHOSPHORIC ACID; SODIUM; SOLVENT EXTRACTION;

SEPARATION;

EID: 84864609213     PISSN: 01496395     EISSN: 15205754     Source Type: Journal    
DOI: 10.1080/01496395.2011.654170     Document Type: Article

References (23)

1. Gupta, C.K.; Krishnamurthy, N. (2004) Extractive Metallurgy of Rare Earths; CRC Press: London, U. K.
2. Abdeltawab, A.A.; Nii, S.; Kawaizumi, F.; Takahashi, K. (2002) Separation of La and Ce with PC-88A by counter-current mixer-settler extraction column. Sep. Purif. Technol., 26 (2-3): 265.
3. Reddy, B.R.; Radhika, S.; Kumar, B.N.P. (2010) Liquid-liquid extraction studies of trivalent yttrium from phosphoric acid solutions using TOPS 99 as an extractant. Sep. Sci. Technol., 45 (10): 1426.
4. Reddy, B.R.; Radhika, S.; Kumar, B.N.P.; Lakshmi Kantam, M. (2010) Liquid-liquid extraction and separation possibilities of heavy and light rare-earths from phosphoric acid solutions with acidic organophosphorus reagents. Sep. Purif. Technol., 75 (3): 295.
5. Wu, D.; Niu, C.; Li, D.; Bai, Y. (2004) Solvent extraction of scandium(III), yttrium(III), lanthanum(III) and gadolinium(III) using cyanex 302 in heptane from hydrochloric acid solutions. J. Alloy. Compd., 374 (1-2): 442.
6. Belova, V.V.; Voshkin, A.A.; Kholkin, A.I.; Payrtman, A.K. (2009) Solvent extraction of some lanthanides from chloride and nitrate solutions by binary extractants. Hydrometallurgy, 97 (3-4): 198.
7. Lee, M.S.; Lee, J.Y.; Kim, J.S.; Lee, G.S. (2005) Solvent extraction of neodymium ions from hydrochloric acid solution using PC88A and saponified PC88A. Sep. Purif. Technol., 46 (1-2): 72.
8. Reddy, M.L.P.; Varma, R.L.; Ramamohan, T.R.; Sahu, S.K.; Chakravortty, V. (1998) Cyanex 923 as an extractant for trivalent lanthanides and yttrium. Solvent Extr. Ion Exch., 16 (3): 795.
9. Preston, J.S.; Du Preez, A. (1994) Solvent extraction of the trivalent lanthanides and yttrium by mixtures of 3,5-diisopropylsalicylic acid and neutral organophosphorus compounds. J. Chem. Tech. Biotechnol., 60 (3): 317.
10. Thakur, N.V. (2000) Separation of rare earths by solvent extraction. Miner. Process. Extr. Metall. Rev., 21 (1): 277.
11. Mori, Y.; Ohya, H.; Ono, H.; Eguchi, W. (1988) Extraction equilibrium of Ce(III), Pr(III) and Nd(III) with acidic organophosphorus extractants. J. Chem. Eng. Japan., 21 (1): 86.
12. Brown, C.G.; Sherrington, L.G. (1979) Solvent extraction used in industrial separation of rare earths. J. Chem. Tech. Biotechnol., 29 (4): 193.
13. Kao, H.C.; Yen, P.S.; Juang, R.S. (2006) Solvent extraction of La(III) and Nd(III) from nitrate solutions with 2- ethylhexylphosphonic acid mono-2-ethylhexyl ester. Chem. Eng. J., 119 (2-3): 167.
14. Xinghua, L.; Xiaowei, H.; Zhaowu, Z.; Zhiqi, L.; Ying, L. (2009) Synergistic extraction of cerium from sulfuric acid medium using mixture of 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester and di-(2-ethylhexyl) phosphoric acid as extractant. J. Rare Earths., 27 (1): 119.
15. El-Nadi, Y.A.; El-Hefny, N.E.; Daoud, J.A. (2007) Extraction of lanthanum and samarium from nitrate medium by some commercial organophosphorus extractants. Solvent Extr. Ion Exch., 25 (2): 225.
16. Saleh, M.I.; Bari, M.F.; Saad, B. (2002) Solvent extraction of lanthanum(III) from acidic nitrate-acetato medium by cyanex 272 in toluene. Hydrometallurgy, 63 (1): 75.
17. Rabie, K.A. (2007) A group separation and purification of Sm, Eu and Gd from egyptian beach monazite mineral using solvent extraction. Hydrometallurgy, 85 (2-4): 81.
18. El-Nadi, Y.A. (2007) Influence of alcohols on the extraction of cerium(IV) by aliquat-336 in kerosene. Int. J. Miner. Process., 82 (1): 14.
19. Zhang, Z.; Guo, F.; Meng, S.; Jia, Q.; Li, H.; Li, D.Q. (2010) Simultaneous recovery of cerium and fluorine from bastnaesite leach liquor by mixtures of cyanex 923 and HEH(EHP). Ind. Eng. Chem. Res., 49 (13): 6184.
20. Morais, C.A.; Ciminelli, V.S.T. (2004) Process development for the recovery of high-grade lanthanum by solvent extraction. Hydrometallurgy, 73 (3-4): 237.
21. Abreu, R.D.; Morais, C.A. (2010) Purification of rare earth elements from monazite sulphuric acid leach liquor and the production of high-purity ceric oxide. Miner. Eng., 23 (6): 536.
22. Preston, J.S. (1996) The recovery of rare earth oxides from a phosphoric acid byproduct. Part 4. The preparation of magnet-grade neodymium oxide from the light rare earth fraction. Hydrometallurgy, 42 (2): 151.
23. Thakur, N.V.; Jayawant, D.V.; Iyer, N.S.; Koppiker, K.S. (1993) Separation of neodymium from lighter rare earths using alkyl phosphonic acid, PC 88A. Hydrometallurgy, 34 (1): 99.