Solvent extraction of Hf(IV) from acidic chloride solutions using Cyanex 302

Minerals Engineering

Volumn 17, Issue 7-8, 2004, Pages 939-942

  Reddy, B Ramachandra ^a   Kumar, J Rajesh ^a,b   Raja, K Phani ^a   Reddy, A Varada ^b  

^a INDIAN INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

^b SRI VENKATESWARA UNIVERSITY   (India)

Author keywords

Recycling; Solvent extraction

Indexed keywords

ASSOCIATION REACTIONS; BENZENE; HAFNIUM; ION EXCHANGE; SOLUTIONS; SULFURIC ACID; SYNTHESIS (CHEMICAL);

FLOTATION REAGENTS; INFRARED SPECTRA; RECYCLING CAPACITY; STRIPPING AGENTS;

SOLVENT EXTRACTION;

EID: 2942530856     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mineng.2004.04.004     Document Type: Article

References (12)

1. Bronzan P., Meider-Gorican H. Solvent extraction of zirconium and hafnium. II Extraction with bidentate organophosphorus compounds. J. Less-common Metals. 29:1972;407-413.
2. Bronzan P., Meider H. Solvent extraction of zirconium and hafnium. III Extraction and complex formation with tridentate organophosphorus compounds. J. Less-Common Metals. 59:1978;101-110.
3. Cote, G., Martin, J.V., Bauer, D., Mottot, Y., 2002. Physico-chemical properties of Cyanex 301. In: Proceedings of the International Solvent Extraction Conference ISEC 2002, South Africa, vol. 1, pp. 291-298.
4. Da Silva A., El-ammouri E., Distin P.A. Hafnium/zirconium separation using Cyanex 925. Can. Metall. Q. 39:2000;37-42.
5. Das N.R., Nandi B., Bhattacharyya S.N. Sequential separation of Hf, Zr and Nb from sulfuric acid medium using bis(2-ethylhexyl) hydrogen phosphate as an Extractant. Int. J. Appl. Radiat. Isot. 32:1981;205-209.
6. Deorkar, N.V., Khopkar, S.M., 1992. Solvent extraction of Th, U, Zr and Hf with crown ethers. Process Metallurgy 7A (Solvent Extraction 1990 Part A), p. 467.
7. El-ammouri E., Distin P.A. Hafnium extraction from acidic chloride solutions by Cyanex 923. Solvent Extr. Ion Exch. 14:1996;871-887.
8. Jensen M.P., Bond A.H. Influence of aggregation on the extraction of trivalent lanthanide and actinide cations by purified Cyanex 272, Cyanex 301 and Cyanex 302. Radiochim. Acta. 80:2002;205-209.
9. Khan M.H., Ali A. Liquid - liquid extraction of Hf(IV) from nitric acid with dibutyl sulfoxide. Radiochim. Acta. 90:2002;297-301.
10. Koravin S.S., Dedich K., Lebedeva E.N., Reznik A.M. Extraction of zirconium and hafnium from mixtures of nitric and perchloric acids with tributylphosphate. Zh Neorgan Khim. 7:1962;2475-2477.
11. Marczenko Z. Spectrophotometric Determination of Elements. 1976;John Wiley & Sons, New York. p. 555, 609.
12. Pearson R.G. Hard and soft acids and bases. J. Am. Chem. Soc. 85:1963;3533-3539.