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MEI Online: MEI Conferences: Comminution 06: Technical Programme

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Wednesday March 15th

9.00 Opening Remarks
B.A. Wills (UK)

9.15 Technical Session 1 - Ball and SAG Mills
Chairmen: M.S. Powell (South Africa) and S. Smith (Australia)

9.15 Dynamics of a SAG mill measured by non-contact acoustic measurement
R.A. Pax (JKMRC, Australia)

9.45 The effect of temperature on the corrosive wear of grinding mill balls in the presence of small amount of sulphide containing ore in laboratory testing
T. Chenje, P. Radziszewski, S. Chang and D. Hewitt (McGill University, Canada)

10.15 Coffee

11.15 Issues on reliability of cycloconverter-fed high power gearless mill drives
J. Pontt et al (Technical University Federico Santa Maria, Chile)

11.45 Improving reliability of a load commutated inverter (LCI) - fed SAG mill drive
J. Pontt et al (Technical University Federico Santa Maria, Chile)

12.15 Modelling comminution patterns within a pilot scale AG/SAG mill
N. Djordjevic, R. Morrison (JKMRC, Australia), B. Loveday (University of Kwa-Zulu Natal, South Africa) and P. Cleary (CSIRO-MIS, Australia)


12.45 Lunch


14.15 Technical Session 2 - Crushers
Chairman: A. Jankovic (Australia)

14.15 Controlling a crushing stage with materials flow
E. Hulthén and M. Evertsson (Chalmers University of Technology, Sweden)

14.45 Improved accuracy of computer assisted crushing plant optimisation using measured data
P. Svedensten (Sandvik Rock Processing, Sweden) and C.M. Evertsson (Chalmers University of Technology, Sweden)

15.15 Evaluation of the batch press as a laboratory tool to simulate high-pressure roller crushers
J. van Schoor (Kumba Resources, South Africa)

15.45 Measuring characteristics of ballast material from vertical shaft impact crushers
M. Bengtsson and C.M. Evertsson (Chalmers University of Technology, Sweden)

16.15 Coffee


19.00 Gala Dinner Pre-drinks


Thursday March 16th

9.15 Sponsor Presentations
Chairman: B.A. Wills (UK)

9.15 Introduction of IsaMill technology into a major gold flotation and leaching operation in Central Asia
J. Kazakoff (Kumtor Operating Co., Kyrgyz Republic), S. Smith and D. Curry (Xstrata Technology, Australia)

9.45 Metso Minerals
A. Jankovic (Metso Minerals, Australia)

10.15 Coffee

11.15 Technical Session 3 - Fundamentals
Chairmen: M. Sinnott (Australia) and R. Morrison (Australia)

11.15 Prediction of slurry transport in SAG mills using SPH fluid flow in a dynamic DEM based porous media
P. Cleary (CSIRO-MIS, Australia) and R. Morrison (JKMRC, Australia)

11.45 Studies of breakage phenomena using tomography and the single impact load cell
R. Hocking and R. Pax (JKMRC, Australia)


12.15 Lunch


14.00 Maximizing overall value in plant design
L. While, L. Barone (University of Western Australia, Australia), P. Hingston, S. Huband (Edith Cowan University, Australia), D. Tuppurainen and R. Bearman (Rio Tinto Technical Services, Australia)

14.30 Extended Grinding curves are essential to the comparison of milling performance
M. Powell and A. Mainza (University of Cape Town, South Africa)

15.00 Spreadsheet-based simulation of closed ball milling circuits
A. Farzanegan (University of Kashan, Iran), M. Iranajad and S.M. Razavian (Amir Kabir University of Technology, Iran)

15.30 Investigation of grindability variations of Sungun copper ores in comparison with pilot plant tests results
S.M. Heidari (Qazvin International University, Iran)

16.00 Coffee


Friday March 17th

9.30 Technical Session 4 - Ultrafine Grinding
Chairmen: R.W. Barley (UK)

9.30 Developments in IsaMill Technology
L. Clarke (Xstrata Technology, Australia)

10.00 Discrete particle simulation of particle flow in IsaMill- effect of mill properties
C.T. Jayasundara, R.Y. Yang, A.B. Yu (University of New South Wales, Australia) and D. Curry (Xstrata Technology, Australia)

10.30 Coffee

11.15 Product size distribution from stirred mills
A. Jankovic (Metso Minerals Process Technology Asia-Pacific, Australia)

11.45 Predictions of stirred mill performance using Discrete Element Method (DEM) simulation
M. Sinnott, P. Cleary (CSIRO-MIS, Australia) and R. Morrison (JKMRC, Australia)


12.15 Lunch




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