Base Metals 2007

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Fourth Southern African Base Metals Conference

Swakopmund, Namibia, 23-25 July 2007

Provisional Technical Programme

Please note that this provisional programme is still subject to major changes.

Sunday 22 July 2007

5:00pm - 8:00pm Early Registration

6:00pm - 8:00pm Welcome / Cocktail party

Monday 23 July 2007

7:00am - 8:00am Registration

Session 1 - Opening Session (Chaired by ?)
8:00am Welcoming - Chairman of SAIMM Namibia
    ? (Chairman: SAIMM Namibia branch)
8:05am Welcoming Address - Southern African Institute of Mining and Metallurgy
    Pat Willis (President: SAIMM)
8:15am Opening address - Namibian Chamber of Mines
    Mark Dawe (President: Namibian Chamber of Mines)
9:00am Title? (Keynote address)
    Mark Tyler (Nedbank Corporate Capital, South Africa)
9:45am Exxaro for Base Metals in Sub-Saharan Africa (Keynote address)
    Mxolisi Mgojo (General Manager: Base Metals, Exxaro, South Africa)

10:15am Tea

Session 2 - REACH (Chaired by ?)
10:45am An introduction to the European Union's REACH legislation
    Alan McKenzie (Mintek, South Africa)
11:10am Some practical aspects for the implementation of REACH
    Jacques Katabua (Exxaro and Chamber of Mines, South Africa)
11:35am Implementation of REACH-GHS
    ? (Eurometaux and ICMM)
12:00pm What are the implications of REACH for the base metals industry?
    Alan McKenzie (Mintek, South Africa)

12:25pm Lunch

Visit 1 to Rossing Uranium (In parallel with Session 3)
1:30pm Travel to Rossing
5:30pm Return

Session 3 - Hydrometallurgy (Chaired by ?)
1:30pm Oxidative precipitation of Fe and Mn by Air/SO2
    M Mouton & Johanna van Deventer (Mintek, South Africa)
1:55pm Solvent extraction test work to evaluate a versatic 10/Nicksyn synergistic system for Nickel-calcium separation
    Rene du Preez, G Nel, & Marthie Kotze (Mintek & Lionore, South Africa)
2:20pm Parameters influencing the leachability of calcines emanating from microwave roasted sphalerite and pyrite concentrates
    Antoine Mulaba-Bafubiandi & T Phiri (University of Johannesburg, South Africa)
2:45pm Copper and cobalt extraction from sulphate solution using natural clinoptilolite
    TL Soko & Antoine Mulaba-Bafubiandi (University of Johannesburg, South Africa)

3:10pm Tea

6:00pm Evening function - Restaurants

Tuesday 24 July 2007

7:00am - 8:15am Registration

Session 4 - Geology and Mining (Chaired by ?)
8:15am Geology and Mining (Keynote address)
    ? (?, Country)
9:00am Rock support in Southern African Hard Rock Mines
    D van Heerden (Minova, South Africa)
9:25am Remote Mine Wide Communications
    M Woodhall (GMSI Mining Operations Technologies, Country ?)
9:50am Intensive on-mine exploration program, The Modified Focus at Rosh Pinah Zinc Corporation, Namibia
    PH van Rooyen & MD Garbers (Rosh Pinah, Namibia)

10:15am Tea

(Parallel) Session 5 - Geology and Mining (Chaired by ?)
10:45am Grade control blending and selectivity for optimal process performance at the Skorpion Zinc mine, Namibia
    GB Gnoinski (Namzinc, Namibia)
11:10am Exploitation of a massive low-grade zinc-lead resource at Rosh Pinah Zinc Corporation, Namibia
    H Fourie, PH van Rooyen, S Rupprecht, T Lund, & NM Vegter (Rosh Pinah Zinc Corporation, RSG Global, & Exxaro Resources, Namibia & South Africa)
11:35am Mining for a DMS application in a Base Metal Environment
    NN Vegter (HO: Technology, South Africa)
12:00pm Geology and Mining ?
    ? (?, Country)

(Parallel) Session 6 - Analytical and Mineral Processing (Chaired by ?)
10:45am Planning a New Analytical Laboratory for an Uranium Mine
    PK Hofmeyr & J Taylor (IMP Automation, South Africa)
11:10am Plant stability and increased efficiencies from inline mineral analysis: Tomorrow's Technology - Out of Africa - Today
    Pieter de Waal (Blue Cube Systems, South Africa)
11:35am Development of a mineral flotation frother for Nchanga Mine on the Copperbelt
    Sondasi, Grobler, Chidley, & Zimba (Betachem & Konkola Copper Mines, Zambia)
12:00pm The influence of the water quality on the flotation of the Rosh Pinah complex lead-zinc sulfides
    Roelf Sandenbergh & Wei (University of Pretoria, South Africa)

12:25pm Lunch

Visit 2 to Rossing Uranium (In parallel with Session 7)
1:30pm Travel to Rossing
5:30pm Return

Session 7 - Mineral Processing and Hydrometallurgy (Chaired by ?)
1:30pm Intelligent Gearing System
    Dirk van Dyk (David Brown Gear Industries, South Africa)
1:55pm Rubber belt filter with side vacuum
    R Kroukamp (Larox, South Africa)
2:20pm Selective extraction of Nickel from Aqueous Solutions Containing Cu, Zn, and Cd ions by LIX 984N extraction
    Maryam Jozegholami (Tehran University, Iran)
2:45pm Microwave-assisted SO2 flushed acid leaching of mixed cobalt-copper oxidised ores
    Antoine Mulaba-Bafubiandi, J Ndalamo, RT Phiri, & BB Mamba (University of Johannesburg, South Africa)

3:10pm Tea

6:00pm Gala Dinner in the Desert

Wednesday 25 July 2007

7:00am - 8:00am Registration

Session 8 - Todd Harvey (Chaired by ?)
8:00am Title? (Keynote address)
    Todd Harvey (GeoBiotics, USA)

(Parallel) Session 9 - Hydrometallurgy (Chaired by ?)
8:45am Base Metal Heap Leaching Applications and Process Parameters
    Petrus van Staden (Mintek, South Africa)
9:10am The Influence of Reactor Design on the Economics of Hydrometallurgical Processes
    Jussi Vaarno (Outokumpu Technologies)
9:35am Commissioning of Skorpion Zinc Re-acidification Circuit
    H de Klerk (Skorpion Zinc, Namibia)

(Parallel) Session 10 - Minerals Processing (Chaired by ?)
8:45am Dense medium solution for pre-beneficiation
    Johann Grobler (Exxaro: Ferroalloy, South Africa)
9:10am An assessment of Pentlandite occurrence in the run-of-mine ore from BCL Mines (Botswana) and its impact on the flotation yield
    Antoine Mulaba-Bafubiandi & Oaitse Medupe Thulane (University of Johannesburg, South Africa & BCL, Botswana)
9:35am Process Development of the Nkomati PCMZ base metal sulphide ore
    RL Bowers & DS Smit (Nkomati Joint Venture, South Africa)

10:00am Tea

(Parallel) Session 11 - Hydrometallurgy (Chaired by ?)
10:30am Manganese removal from cobalt solutions with dilute sulphur dioxide gas mixture
    Fox, van Rooyen, & Archer (Impala Platinum Refineries, TWP Matomo Process Plant, & Mintek, South Africa)
10:55am Cd removal from Co electrolytes
    J Deventer, Rene du Preez, Marthie Kotze, & S Izatt (Mintek & IBC Technologies Inc, South Africa)
11:20am A case study on the operation of a Flooweg Tricanter centrifuge for solvent-extraction crud treatment at Bwana Mkubwa, Ndola, Zambia
    Angus Feather & Anthony Mukutuma (Cognis Corporation, South Africa & Bwana Mkubwa Mining, Zambia)
11:45am Assessing the performance and capacity of matte leaching using predictive models
    Frank Crundwell & Geoff Lathwood (CM Solutions & TWP Matomo Process Plant, South Africa)

(Parallel) Session 12 - Pyrometallurgy & Hydrometallurgy (Chaired by ?)
10:30am End-of-life mode of failure of a fluidised-bed roaster and its rebuilding
    Kohler, Meyer, & Vegter (Exxaro: Zincor, South Africa)
10:55am Pyrometallurgy ?
    ? (?, Country)
11:20am A comparison of the effect of chemical and bio-leaching on the kinetics of sphalerite leaching
    JW van der Merwe, C Strydom, & MI Sampson (Exxaro, University of Pretoria, & GeoBiotics LLC, South Africa)
11:45am Rapid Casting Technologies for the Base Metal Casting Industry in Africa
    Didier Nyembwe (University of Johannesburg, South Africa)

12:10pm Lunch

(Parallel) Session 13 - Hydrometallurgy (Chaired by ?)
1:10pm Recovery of Copper from Skorpion PLS Solutions using EMEW Direct Electrowinning
    J Gnoinski, E Roux, I Ewart, & D Dreisinger (Electrowinning International Inc, Country, & University of British Columbia, Canada)
1:35pm Clarification of Process Solution with the Ishigaki Fibre Wakishimizu - Piloting at Skorpion Zinc
    H Fuls (Skorpion Zinc, Namibia)
2:00pm Skorpion Zinc: Optimisation and Innovation
    J Gnoinski (Electrowinning International Inc, Country)
2:25am Water balances in hydrometallurgical refineries - a case study highlighting the design and the operational variables
    Botha, Fox, Kirsten, Pizzaro, Lathwood, & Moolman (Impala Platinum Refineries & TWP Matomo Process Plant, South Africa)

(Parallel) Session 14 - Research, Environment, SHE (Chaired by ?)
1:10pm The minerals industry and syndicated research
    Richard Beck & Peter Gaylard (AMIRA International & University of Cape Town, South Africa)
1:35pm Can we decrease the ecological footprint of base metal production by recycling?
    Dick Groot, Chris Pistorius, & Thys Vermaak (University of Pretoria, South Africa)
2:00pm SHE
    (?, Country?)
2:25am Title?
    ? (?, Country)

2:50pm Tea

Copyright © 2007, Rodney Jones,, Randburg, South Africa (Last updated on 18 April 2007)