PYRO 2011
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Southern African Pyrometallurgy 2011 International Conference
Cradle of Humankind, South Africa, 6-9 March 2011
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Monday 7 March 2011
7:00 - 8:30am Registration
8:30am - 5:30pm Slag Course by Ken Mills
7:00pm Dinner at Carnivore Restaurant
Tuesday 8 March 2011
7:00 - 8:30am Registration
INTRODUCTION
8:30am Welcome and introduction
Gys Landman (President: SAIMM)
SESSION 1 - ELECTRIC ARC FURNACES (Chaired by Lloyd Nelson)
8:45am Some considerations on future developments in ferro-alloy furnaces (Keynote address)
Ian Barker (University of the Witwatersrand, SA)
9:15am Some myths about DC arc furnaces
Rodney Jones, Quinn Reynolds, Tom Curr (Mintek), and Daniel Sager (ABB, Switzerland)
9:40am The dual-electrode DC arc furnace - modelling insights
Quinn Reynolds (Mintek)
10:05am Application potential of DC smelter technology for the pyrometallurgical industry in South Africa
Rolf Degel, Klaus Schmale, Martin Koneke, and Hartmut Schmieden (SMS Siemag, Germany)
10:30am Tea
SESSION 2 - STEEL, FERROCHROME, AND SILICON (Chaired by Andrie Garbers-Craig)
11:00am The history and development of the pyrometallurgical processes at Evraz Highveld Steel and Vanadium
William Steinberg, Walther Geyser (Evraz Highveld), and Johan Nell (Hatch Africa)
11:25am Ferrochrome smelting and smelting capacity investment in Zimbabwe
Jabulani Chirasha (ZA Chrome, Zimbabwe)
11:50pm Silicon processing: from quartz to silicon solar cells
Buhle Xakalashe (Mintek and NTNU, Norway)
12:15am DC arc smelting of silicon: Is it technically feasible?
Masud Abdellatif (Mintek)
12:40pm Lunch
SESSION 3 - PROCESSING BEFORE AND AFTER FURNACES (Chaired by Mike Shapiro)
1:40pm Recent Improvements in the Kumera Steam Dryer
Jyri Talja, S Chen, H Mansikkaviita, and I Kylmakorpi (Kumera Corporation, Finland)
2:05pm Further processing of metal-entrained slags with specific reference to the processing of present manganese slag dumps, as well as new horizons
David Norval (Consultant) and Rupert Oberholzer (Cembeton)
2:30pm Co-generation - A challenge for furnace off-gas cleaning systems
Eberhard Schubert and Rudi Gottschling (Theisen Engineering, Germany)
2:55pm Tea
SESSION 4 - PGMs, NICKEL, AND COPPER - PART 1 (Chaired by Jacques Eksteen)
3:25pm Characterisation of SO2 in off-gas at Zimplats smelter
Louis Mabiza (Zimplats, Zimbabwe), Rose Picas, Johan Nell, Boy Matsetela, and G Erasmus (Hatch)
3:50pm The distribution of metallic elements in granulated nickel converter matte phases
Elton Thyse, Guven Akdogan (University of Stellenbosch), P Taskinen (Aalto University, Finland), and Jacques Eksteen (Lonmin Platinum)
4:20pm Influence of slag composition on reduction control and operations of the slag cleaning furnace at KCM, Zambia
Humphrey Chikashi (Konkola Copper Mines, Zambia)
4:45pm Closing of first day of conference
4:45pm or 5:30pm Buses leave for tours
Group A: Sterkfontein Caves (5:30pm)
Group B: Wonder Cave (4:45pm)
Group C: Kromdraai Gold Mine (5:30pm)
Group D: Aloe Ridge Observatory (5:30pm)
7:30pm Dinner
Wednesday 9 March 2011
SESSION 5 - GENERAL (Chaired by Rodney Jones)
8:30am Mineralogical solutions to pyrometallurgical problems
Lesley Andrews and Paul den Hoed (Anglo American Research)
8:55am The ROMA project (Resource Optimization and Recovery in the Material Industry) - a typical cooperation project in Norway
Merete Tangstad (Norwegian University of Science and Technology, Norway)
9:20am Pyrometallurgical Research at SINTEF and NTNU in Norway
Eli Ringdalen (Sintef, Norway) and Merete Tangstad (NTNU, Norway)
9:45am Tea
SESSION 6 - PGMs, NICKEL, AND COPPER - PART 2 (Chaired by Tom Curr)
10:15am Cracking a hard nut: An overview of Lonmin's operations directed at smelting of UG2-rich concentrate blends
Jacques Eksteen, Burger van Beek, and GA Bezuidenhout (Lonmin Platinum)
10:40am Bindura Nickel Smelter - from decommissioning, care and maintenance, to plant re-start
Andrew Mboma and Kudakwashe Chitaukire (Bindura Nickel Corporation, Zimbabwe)
11:05am Implementation of an alternative matte level measurement solution at Lonmin Marikana Smelter Division for improved Process Monitoring
Trevor Goff (Lonmin Platinum), N Brogden, JP Nilsson, P Bloemer, A Lyons (Agellis Group, Sweden)
11:30am ISACONVERT - Continuous Converting of Nickel / PGM Mattes
Martin Bakker, S Nikolic, AS Burrows, and GRF Alvear (Xstrata Technology, Australia)
11:55am The smelting operations of Anglo American's platinum business: an update
Rodney Hundermark, SB Mncwango, Bertus de Villiers, and Lloyd Nelson (Anglo Platinum Ltd)
12:20pm Lunch
SESSION 7 - PHYSICAL PROPERTIES (Chaired by Quinn Reynolds)
1:20pm Blast Furnace Control using Slag Viscosities and Liquidus Temperatures with Phase Equilibria Calculations
Jacques Muller (Algoness) and Markus Erwee (University of Pretoria)
1:45pm Thermal conductivity of solidified manganese-bearing slags - a preliminary investigation
Joalet Steenkamp (University of Pretoria), Merete Tangstad (NTNU, Norway), and Chris Pistorius (Carnegie-Mellon University, USA)
2:15pm The thermophysical properties of raw materials for ferromanganese production
Michal Ksiazek, Merete Tangstad, and Eli Ringdalen (NTNU, Norway)
2:40pm Tea
SESSION 8 - REFRACTORIES (Chaired by Paul den Hoed)
3:10pm Chromite - A Cost Effective Refractory Raw Material for Refractories for various Metallurgical Applications
Niell McEwan, T Courtney, RA Parry, P Knupfer (Vereeniging Refractories)
3:35pm Interaction of MgO-MgR2O4(R: Al, Cr, Fe) Refractories with SO2-containing Gases
Ziyanda Fotoyi, Masud Abdellatif (Mintek), and Hurman Eric (University of the Witwatersrand)
4:00pm Closing of conference
Dinner
Theatre visits
Group E: Cirque du Soleil (Coca-Cola Dome, Northgate)
Group F: Evita (Montecasino)