Carrier-mediated gold transport in the system Cyanex 921-HCl-Au(III)

Hydrometallurgy

Volumn 71, Issue 3-4, 2004, Pages 363-369

  Alguacil, F J ^a  

^a DEPARTMENT OF PHYSICAL METALLURGY   (Spain)

Author keywords

Cyanex 921; Gold(III) transport; Supported liquid membrane

Indexed keywords

BOUNDARY LAYERS; CARRIER CONCENTRATION; DIFFUSION; HYDROCHLORIC ACID; LIQUID MEMBRANES; MASS TRANSFER; MECHANICAL PERMEABILITY; POROSITY; TRANSPORT PROPERTIES;

MEMBRANE TORTUOSITY;

GOLD;

EID: 0347593798     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(03)00090-2     Document Type: Article

References (28)

1. Alguacil F.J. Mechanistic study of active transport of copper(II) from ammoniacal/ammonium carbonate medium using LIX 973N as a carrier across a liquid membrane. Hydrometallurgy. 61:2001;177-183.
2. Alguacil F.J. The phosphines oxides Cyanex 921 and Cyanex 923 as carriers for facilitated transport of gold(I) cyanide aqueous solutions. Hydrometallurgy. 66:2002;117-123.
3. Alguacil F.J., Navarro P. Permeation of cadmium through a supported liquid membrane impregnated with Cyanex 923. Hydrometallurgy. 61:2001;137-142.
4. Alguacil F.J., Coedo A.G., Dorado M.T. Transport of chromium(VI) through a Cyanex 923-xylene flat-sheet supported liquid membrane. Hydrometallurgy. 57:2000;51-56.
5. Alguacil F.J., Coedo A.G., Dorado M.T., Padilla I. Phosphine oxide mediate transport: modelling of mass transfer in supported liquid membrane transport of gold(III) using Cyanex 923. Chem. Eng. Sci. 56:2001;3115-3122.
6. Barnes D.E., Taylor M.J.C., Marshall G.D. Extraction of dicyanoaurate(I) using supported liquid membranes in a flow-injection manifold: evaluation of extractants. Anal. Chim. Acta. 274:1993;283-292.
7. 3 through a supported liquid membrane containing a tertiary amine as carrier. Ion Exch. Solvent Extr. 1:1983;565-583.
8. Cox M. Rydberg J., Musikas C., Choppin G.R. Principles and Practices of Solvent Extraction. 1992;357-412 Marcel Dekker, New York.
9. Danesi P.R., Horwitz E.P., Rickert P.G. Rate of mechanism of facilitated americium(III) transport through a supported liquid membrane containing a bifunctional organophosphorous mobile carrier. J. Phys. Chem. 87:1983;4708-4715.
10. du Preez A.C., Preston J.S. The solvent extraction properties of di-n-hexylsulphoxide in relation to the refining of platinum-group metals. Sole K.C., Cole P.M., Preston J.S., Robinson D.J. Proceedings of International Solvent Extraction Conference 2002. 2002;896-901 Cape Town.
11. Dziwinski E., Szymanowski J. Composition of CYANEX 923, CYANEX 925, CYANEX 921 and TOPO. Ion Exch. Solvent Extr. 16:1998;1515-1525.
12. El Aamrani F.Z., Kumar A., Beyer L., Cortina J.L., Sastre A.M. Uphill permeation model of gold(III) and its separation from base metals using thiourea derivatives as ionophores across a liquid membrane. Hydrometallurgy. 50:1998;315-330.
13. El Aamrani F.Z., Kumar A., Sastre A.M. Kinetic modelling of the active transport of copper(II) across liquid membranes using thiourea derivatives immobilized on microporous hydrophobic supports. New J. Chem. 23:1999;517-523.
14. Feather A., Bouwer W., O'Connell R., le Roux J. Commissioning of the new Harmony Gold Refinery. Sole K.C., Cole P.M., Preston J.S., Robinson D.J. Proceedings of International Solvent Extraction Conference 2002. 2002;922-927 Cape Town.
15. Fu J., Nakamura S., Akiba K. Liquid-membrane transport of gold by a trioctylamine mobile carrier. Anal. Sci. 10:1994;935-938.
16. Fu J., Nakamura S., Akiba K. Separation and recovery of gold, platinum and palladium by trioctylamine liquid membrane. Anal. Sci. 11:1995;149-153.
17. Fu J., Nakamura S., Akiba K. Separation of precious metals through a trioctylamine liquid membrane. Sep. Sci. Technol. 32:1997;1433-1443.
18. Grant R.A., Drake V.A. The application of solvent extraction to the refining of gold. Sole K.C., Cole P.M., Preston J.S., Robinson D.J. Proceedings of International Solvent Extraction Conference 2002. 2002;940-945 Cape Town.
19. Huang T.C., Juang R.S. Rate and mechanism of divalent metal transport through supported liquid membrane containing di(2-ethyhexyl)phosphoric acid as mobile carrier. J. Chem. Technol. Biotechnol. 42:1988;1-17.
20. Kumar A., Sastre A.M. Hollow fiber supported liquid membrane for the separation/concentration of gold(I) from aqueous cyanide media: modeling and mass transfer evaluation. Ind. Eng. Chem. Res. 39:2000;146-154.
21. Martínez S., Sastre A.M., Alguacil F.J. Gold extraction equilibrium in the system Cyanex 921-HCl-Au(III). Hydrometallurgy. 46:1997;205-214.
22. Sastre A., Madi A., Cortina J.L., Miralles N. Modelling of mass transfer in facilitated supported liquid membrane transport of gold(III) using phospholene derivatives as carriers. J. Membr. Sci. 139:1998;57-65.
23. Sastre A.M., Madi A., Alguacil F.J. Facilitated supported liquid-membrane transport of gold(I) using LIX 79 in cumene. J. Membr. Sci. 166:2000;213-219.
24. - and application to facilitated supported liquid membrane transport. Hydrometallurgy. 54:2000;171-184.
25. Scott K. Handbook of Industrial Membranes. 1997;Elsevier Advanced Technology, Kidlington.
26. Taylor M.J.C., Barnes D.E., Marshall G.D. Trace gold determination in cyanide process solutions - preconcentration using supported liquid membranes in a flow-injection manifold. Anal. Chim. Acta. 265:1992;71-79.
27. Wiesner M.R., Chellam S. The promise of membrane technology. Environ. Sci. Technol. 33:1999;360A-366A.
28. Zuo G., Orecchio S., Muhammed M. Facilitated transport of gold through a membrane via complexation to thiourea-based reagents. Sep. Sci. Technol. 31:1996;1597-1613.