Rheological investigations of ultrafine galena particle slurries under flotation-related conditions

International Journal of Mineral Processing

Volumn 51, Issue 1-4, 1997, Pages 241-254

  Prestidge, Clive A ^a  

^a NONE

Author keywords

Flotation; Particle interactions; Slurry rheology; Sulphide minerals; Surface characterisation

Indexed keywords

FLOTATION; PH EFFECTS; RHEOLOGY; SLURRIES; SURFACE PROPERTIES; X RAY PHOTOELECTRON SPECTROSCOPY;

GALENA; HYDROPHOBICITY; SLURRY RHEOLOGY;

SULFIDE MINERALS;

FLOTATION; RHEOLOGY; SLURRY;

EID: 0031252069     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0301-7516(97)00027-6     Document Type: Article

References (30)

1. Buckley, A.N., Woods, R., 1991. Adsorption of ethyl xanthate on freshly exposed galena surfaces. Colloids Surf. 53, 33-45.
2. Cases, J.M., Konogolo, M., de Donato, D., Michol, L., Erre, R., 1990. Interaction of finely ground galena with potassium amylxanthate in flotation, 1. Influence of alkaline grinding. Int. J. Miner. Process. 28, 313-337.
3. Firth, B.A., Hunter, R.J., 1976. Flow properties of coagulated colloidal suspensions, III. The elastic floc model. J. Colloid Interface Sci. 57, 266-275.
4. Fornasiero, D., Li, F., Ralston, J., Smart, R.St.C., 1994a. Oxidation of galena, I. XPS and dissolution studies. J. Colloid Interface Sci. 164, 333-344.
5. Fornasiero, D., Li, F., Ralston, J., 1994b. Oxidation of galena, II. Electrokinetic studies. J. Colloid Interface Sci. 164, 345-354.
6. Gaudin, A., Fuerstenau, D., Maiw, H., 1960. Slime coating in galena flotation. Can. Min. Metall. Bull. 56, 960-963.
7. Granville, A., Finkelstein, N.P., Allison, S.A., 1972. Review of reactions in the flotation system galena-xanthate-oxygen. Inst. Min. Metall. 81 (784), 1-30.
8. Harris, P.J., Finkelstein, N.P., 1975. Interactions between sulfide minerals and xanthates, I. The formation of monothiocarbonate at galena and pyrite surfaces. Int. J. Miner. Process. 2, 77-100.
9. Heath, D., Tadros, T.F., 1983. Influence of pH, electrolyte, and poly(vinyl alcohol) addition on the rheological characteristics of aqueous dispersions of sodium montmorillonite. J. Colloid Interface Sci. 93, 307-319.
10. Hiemenz, P.C., 1986. Principle of Colloid and Surface Chemistry, 2nd ed. Marcel Dekker, New York, pp. 751.
11. Hunter, R.J., 1982. The flow behaviour of coagulated colloidal dispersions. Adv. Colloid Interface Sci. 17, 197-211.
12. Kim, B.S., Hayes, R.A., Prestidge, C.A., Ralston, J., Smart, R.St.C., 1995. STM studies of galena: mechanisms of oxidation in aqueous solution. Langmuir 11, 2554-2562.
13. Kim, B.S., Hayes, R.A., Prestidge, C.A., Ralston, J., Smart, R.St.C., 1996. STM studies of galena under flotation related conditions. Colloids Surf. 117, 117-129.
14. Klimpel, R.R., Hansen, R.D., 1989. Chemistry of mineral slurry rheology control grinding aids. Miner. Metall. Process. 6, 35-43.
15. Krieger, I.M., 1972. Rheology of monodisperse latices. Adv. Colloid Interface Sci. 3, 111-136.
16. Lai, R.W., McMahan, L.G., Richardson, A.G., Chiang, S.H., 1989. Size reduction and selective agglomeration of coal: technical feasibility of cleaning Pittsburgh seam coal with isooctane. Advances in Coal and Mineral Processing Using Flotation, Society for Mining, Metallurgy, and Exploration, Littleton, Colo.
17. Laskowski, J.S., Pugh, R.J., 1992. Colloid chemistry in mineral processing. In: Fuerstenau, D.W., Laskowski, J.S., Ralston, J. (Eds.), Developments in Mineral Processing, 12, Elsevier, Amsterdam, pp. 115-171.
18. Leong, Y.K., Boger, D.V., 1990. Surface chemistry and rheological properties of zirconia suspensions. J. Rheol. 35, 149-165.
19. Leong, Y.K., Boger, D.V., Scales, P.J., Healy, T.W., Buscall, R., 1993. Control of the rheology of concentrated aqueous colloidal systems by steric and hydrophobic forces. J. Chem. Soc. Chem. Commun., pp. 639-641.
20. Muster, T.H., Prestidge, C.A., 1995. Rheological investigations of sulphide mineral slurries. Miner. Eng. 8, 1541-1555.
21. Muster, T.H., Toikka, G., Hayes, R.A., Prestidge, C.A., Ralston, J., 1996. Interactions between zinc sulphide particles under flotation related conditions. Colloids Surf. 106, 203-211.
22. Partridge, A.C., Smith, G.W., 1971. Small-sample flotation testing: a new cell. Trans. Inst. Min. Metall. (Sect. C) 80, 199-200.
23. Prestidge, C.A., 1997. Rheological investigations of galena particle interactions. Colloids Surf. A, in press.
24. Prestidge, C.A., Ralston, J., 1995. Contact angle studies of galena particles. J. Colloid Interface Sci. 172, 302-310.
25. Prestidge, C.A., Ralston, J., 1996. Contact angle studies of ethyl xanthate coated galena particles. J. Colloid Interface Sci. 184, 512-519.
26. Prestidge, C.A., Ralston, J., Smart, R.St.C., 1993. The role of cyanide in the interaction of ethyl xanthate with galena. Colloids Surf. 81, 103-119.
27. Rao, A.S., 1987. Rheology of aqueous dispersions of alumina, titania and mixture of alumina and titania powders. J. Dispersion Sci., Technol. 8, 457-476.
28. Smart, R.St.C., 1991. Surface layers in base metal sulphide flotation. Miner. Eng. 4, 891-909.
29. Smart, R.St.C., Amarantidis, J., Skinner, W., Prestidge, C.A., La Vanier, L., Grano, S.R., 1997. Surface analytical studies of oxidation and collector adsorption in sulphide mineral flotation. Scanning Microscopy, in press.
30. Subrahmanyam, T.V., Forssberg, K.S.E., 1990. Fine particle processing: shear flocculation and carrier flotation - a review. Int. J. Miner. Process. 30, 265-286.