Investigating the effect of slag bath conditions on the existence of multiphase emulsion zones in PGM smelting furnaces using computation fluid dynamics

Minerals Engineering

Volumn 24, Issue 7, 2011, Pages 661-675

  Ritchie, S ^a   Eksteen, J J ^b,c  

^a HATCH LTD   (Canada)

^b Northdowns Office Park   (South Africa)

^c STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

Computational fluid dynamics; Furnace; PGM; Pyrometallurgy; Smelting

Indexed keywords

CFD MODELLING; COOLING ELEMENTS; ELECTRIC ARC FURNACE; EMULSION ZONE; HOLD UP; LAYER FORMATION; OPERATING PARAMETERS; PGM; PLATINUM GROUP METALS; SAFETY RISKS; SLAG BATH; SMELTING FURNACES;

CHROMITE; CHROMITE DEPOSITS; COMPUTATIONAL FLUID DYNAMICS; ELECTRIC ARCS; EMULSIFICATION; FLUIDS; FURNACE LININGS; METALLURGICAL FURNACES; PHASE INTERFACES; PLATINUM; PYROMETALLURGY; SLAGS;

SMELTING;

EID: 79955865743     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mineng.2010.09.017     Document Type: Article

References (23)

1. ANSYS Fluent V12.0 Theory Manual, 2009.
2. C.W. Bale, P. Chartrand, S.A. Degterov, G. Eriksson, K. Hack, R. Ben Mahfoud, J. Melanon, A.D. Pelton, and S. Petersen FactSage thermochemical software and databases Calphad Journal 26 2 2002 189 228
3. Barnes, A.R., Newall, A.F., 2006. Spinel Removal from PGM Smelting Furnaces. Southern African Pyrometallurgy 2006. South African Institute of Mining and Metallurgy, Johannesburg, South Africa.
4. J.J. Bezuidenhout, J.J. Eksteen, and S.M. Bradshaw CFD modelling of molten matte and slag flows in a circular three-phase smelting furnace Progress in Computational Fluid Dynamics 9 6/7 2009 316 324
5. J.J. Bezuidenhout, J.J. Eksteen, and S.M. Bradshaw Computational fluid dynamic modelling of an electric arc furnace used in the smelting of PGM containing concentrates Minerals Engineering 22 11 2009 995 1006
6. Choudhary, M., Szekely, J., 1981. Mineral Process Extractive Metall., Trans. IMMO, Sect. C, vol. 90. In: Jiao, Q., Themelis, N.J. (Eds.), Paper Presented at Conf., pp. 164-173.
7. A.H. Dilawari, and J. Szekely Metall. Trans. B 8B 1977 227 236
8. A.H. Dilawari, and J. Szekely Metall. Trans. B 9B 1978 77 87
9. Eric, R.H., Hejja, A.A., 1995. Dimensioning, scale-up and operating consideration for six electrode electric furnaces - Part II: design and scale-up considerations for furnaces treating PGM-containing copper-nickel concentrates. In: Warren, G.W. (Ed.), Proceedings of 1995 EPD Congress, Las Vegas, Warrandale, Pennsylvania, TMS, pp. 239-257.
10. Gunnewiek, L., 2004. Furnace No. 1 Slag Bath Modelling, Lonmin Platinum Process Studies/Furnace Restart Support, Consulting Study Done by Hatch South Africa (PR313815.002).
11. Hundermark, R., 2003. The electrical conductivity of melter type slags. MscEng Thesis, University of Cape Town, June 2003.
12. Internal communication, 2006.
13. Jardy, A., Ablitzer, D., Jorget, S., 1986. Modelling of slag behaviour in non-ferrous smelting electric furnace. In: Gaskell, D.R., Hager, J.P., Hoffman, J.E., Mackey, P.J. (Eds.), Proceedings of the Reinhardt Schuhmann International Symposium on Innovative Technology and Reactor Design in Extraction Metallurgy, TMS, November 9-12.
14. Q. Jiao, and N.J. Themelis Correlations of electrical conductivity to slag composition and temperature Metallurgical Transactions B 19B 1988 133 140 (Pubitemid 18576967)
15. Jones, R.T., 2005. An overview of Southern African PGM Smelting. In: Nickel and Cobalt 2005: Challenges in Extraction and Production, 44th Annual Conference of Metallurgists, Calgary, Alberta, Canada, 21-24 August 2005, pp. 147-178.
16. Manninen, M., Taivassalo, V., Kallio, S., 1996. On the mixture model for multiphase flow. VTT Publications 288, Technical Research Centre of Finland, 1996.
17. Menter, F.R., Langtry, R.B., Likki, S.R., Suzen, Y.B., Huang, P.G., Völker, S., 2004. A Correlation based Transition Model using Local Variables Part 1 - Model Formulation ASME-GT2004-53452, ASME TURBO EXPO 2004, Vienna, Austria.
18. Mills, K.C., 1986. In: Vorres K.S. (Eds.), Heat Transfer and Thermal Conductivity of Coal Slag, Mineral Matter and Ash in Coal, vol. 301, American Chemical Society, pp. 256-276.
19. Y.Y. Sheng, G.A. Irons, and D.G. Tisdale Transport phenomena in electric smelting of Nickel matte: part II - mathematical modelling Metallurgical and Materials Transactions B 29B 1998 85 94
20. Snyders, N., 2007. Modelling the Thermal, Electrical and Flow Profiles in A 6-In-Line Matte Melting Furnace. Masters of Science thesis, University of Stellenbosch, 2007.
21. A.W. Sundström, J.J. Eksteen, and G.A. Georgalli Review of the properties of base metal mattes Journal of the Southern African Institute of Mining and Metallurgy 108 2008 431 448
22. Vekony, K., 2009. Large Bubble Moving Under a Solid Surface. PhD Thesis, University of Quebec, April 2009.
23. J.L. Xia Effect of electrode immersion depth on flows in a slag cleaning furnace Progress in Computational Fluid Dynamics 4 2 2004