Kinetics of stripping of VO-D2EHPA complex from toluene phase by aqueous sulphate-acetate solution. Comparison of Lewis and Hahn cells

Hydrometallurgy

Volumn 73, Issue 3-4, 2004, Pages 257-267

  Biswas, R K ^a   Habib, M A ^a   Mondal, M G K ^a,b  

^a UNIVERSITY OF RAJSHAHI   (Bangladesh)

^b JAGANNATH UNIVERSITY   (Bangladesh)

Author keywords

D2EHPA; Hahn cell; Lewis cell; Stripping kinetics; Sulphate acetate medium; Toluene; Vanadium solvent extraction

Indexed keywords

ACTIVATION ENERGY; DIFFUSION; ENTROPY; INTERFACES (MATERIALS); MASS TRANSFER; POSITIVE IONS; RATE CONSTANTS; SOLVENT EXTRACTION; TOLUENE;

D2EHPA; HAHN CELLS; LEWIS CELLS; STRIPPING KINETICS; SULPHATE-ACETATE MEDIUM; VANADIUM SOLVENT EXTRACTION;

VANADIUM COMPOUNDS;

EID: 1942484423     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2003.11.001     Document Type: Article

References (27)

1. Aparicio J., Muhammed M. Extraction kinetics of zinc from aqueous perchlorate solution by D2EHPA dissolved in isopar-H. Hydrometallurgy. 21:1989;385-399.
2. Biswas R.K., Begum D.A. Study of kinetics of forward extraction of Fe(III) from chloride medium by di-2-ethylhexylphosphric acid in kerosene using the single drop technique. Hydrometallurgy. 54:1999;1-23.
3. Biswas R.K., Begum D.A. Kinetics of extraction and stripping of Ti(IV) in HCl-D2EHPA-kerosene system using the single drop technique. Hydrometallurgy. 55:2000;57-77.
4. - phase system using the single drop technique. Hydrometallurgy. 60:2001;81-97.
5. 2+ extraction by D2EHPA. Hydrometallurgy. 69:2003;117-133.
6. Biswas R.K., Mondal M.G.K. Kinetics of Mn(II) extraction by D2EHPA. Hydrometallurgy. 69:2003;145-156.
7. Biswas R.K., Hanif M.A., Bari M.F. Kinetics of forward extraction of manganese(II) from acidic chloride medium by D2EHPA in kerosene using the single drop technique. Hydrometallurgy. 42:1996;399-409.
8. Biswas R.K., Begum D.A., Rahman M.S. Kinetics of Fe(III) extraction the acidic chloride-di-2-ethylhexylphosphoric acid-kerosene system using the constant interfacial area non-stirred cell technique. J. Bangladesh Chem. Soc. 9(2):1997;183-193.
9. Biswas R.K., Habib M.A., Ali M.R., Haque M.Z. Kinetics of Mn(II) extraction in the acidic chloride-D2EHPA-kerosene system using the constant interfacial area stirred cell technique. Pak. J. Sci. Ind. Res. 41(3):1998;121-127.
10. Danesi P.R., Chiarizia R. Mass transfer rate across liquid-liquid interfaces. Film diffusion and chemical reactions as simultaneous rate determining steps in liquid-liquid cation exchange of some tetravalent cations. Proc. Int. Solvent Extr. Conf., 1977. (2):1977;219.
11. Danesi P.R., Chiarizia R. Capmbell B. Critical Reviews in Analytical Chemistry. 1980;1-127 CRC Press, Boca Raton, FL. Chapter 10.
12. Dreisinger D.B., Cooper W.C. The use of the rotating diffusion cell technique for the study of solvent extraction kinetics. Solv. Extr. Ion Exch. 4(1):1986;135-147.
13. 4 system using the rotating diffusion cell technique. Solv. Extr. Ion Exch. 7(2):1989;335-360.
14. Freiser H., Oh J.S. Kinetics and mechanism of extraction of zinc and nickel with substituted diphenylthiocarbazones. Anal. Chem. 39:1967;295-300.
15. Hu Z., Pan Y., Ma W., Fu X. Purification of organophosphorous extractants. Solv. Extr. Ion Exch. 13(5):1995;965-976.
16. Hughes M.A., Biswas R.K. The kinetics of vanadium(IV) extraction in the acidic sulphate-n-hexane system using the rotating diffusion cell technique. Hydrometallurgy. 26:1991;281-297.
17. Hughes M.A., Biswas R.K. The kinetics of manganese(II) extraction in the acidic sulphate-D2EHPA-n-hexane system using the rotating diffusion cell technique. Hydrometallurgy. 32:1993;209-221.
18. Ipinmoroti, K.O., 1981. The kinetics of solvent extraction of V(IV) by di-(2-ethyl hexyl) phosphoric acid. PhD thesis. Bradford University, (U.K.).
19. Ipinmoroti K.O., Hughes M.A. The mechanism of vanadium(IV) extraction in chemical kinetic controlled regime. Hydrometallurgy. 24:1990;255-262.
20. Islam F., Biswas R.K. Kinetics and mechanism of solvent extraction of Cr(III) from acidic aqueous solutions with bis-(2-ethylhexyl)phosphoric acid in benzene. Can. J. Chem. 57:1979;3011-3016.
21. Islam F., Biswas R.K. The kinetics and mechanism of solvent extraction of V(IV) from acidic aqueous solutions with bis-(2-ethylhexyl)phosphoric acid in benzene. J. Inorg. Nucl. Chem. 42:1980;421-429.
22. Islam F., Biswas R.K. Temperature dependences of rate of forward extraction of Ti(IV), V(IV), Cr(III) and Fe(III) from acidic solutions with HDEHP in benzene and of backward extraction of Ti(IV), V(IV) and Fe(III)-DEHP chelates in benzene to acidic aqueous solutions. Rajshahi Univ. Stud. (J.). 10-11:1983;89-99.
23. Moore W.J. Physical Chemistry. 5th ed. 1972;385 Longman, New Jersey.
24. 4. Bull. Chem. Soc. Jpn. 44:1971;1903-1909.
25. Sekine T., Komatsu Y., Yumikura J. Kinetic studies of the solvent extraction of metal complexes: III. The rate of extraction and back-extraction of gallium(III) thenoyltrifluoroacetonate chelate in aqueous perchlorate solution-chloroform system. J. Inorg. Nucl. Chem. 35:1973;3897-3904.
26. Sekine T., Kamatsu Y., Honda H. Kinetics of extraction of Fe(III) from perchlorate solution with acetylacetone, benzoylacetone, 2- thenoyltrifluoroacetone, benzoyltrifluoroacetone and hexafluoroacetone in carbon tetrachloride. J. Inorg. Nucl. Chem. 38:1976;1861-1867.
27. Vogel A.I. A Text Book of Quantitative Inorganic Analysis. 3rd ed. 1961;790 Longman, New York, NY.