THURSDAY 7 AUGUST 2008 |
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| 08.30 |
Plenary Lecture |
- 09.15 |
PL01 |
Why be sustainable if the world is about to end? |
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C Moran : SMI, University of Queensland, Australia |
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SESSION 1A : GENERAL |
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Chair: |
A Burger |
09.20 |
OR01 |
The role of process mineralogy in mineral processing - with a focus on flotation
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DJ Bradshaw : University of Cape Town
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09.40 |
OR02 |
New methods for measuring and modelling froths
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JJ Cilliers, K Waters: Imperial Colleges, London, UK |
10.00 |
OR03 |
Energy in mining |
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M Powell : JKMRC, University of Queensland, Australia |
10.20 |
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SESSION 2A : GEOLOGY & MINERALOGY (parallel with Session 2B) |
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Chair: |
P van der Plas |
10.50 |
OR04 |
A summary of hydreological and chemical work conducted at the Navachab Gold Mine, central Namibia in the period 200 - 2005 |
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NM Steven: Rockwater Consulting, Namibia; FP Badenhorst: AngloGold Ashanti Namibia Pty Ltd |
| 11.10 |
OR05 |
An integrated approach to mineral sulphide tailings management and AMD mitigation |
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A Hesketh, JL Broadhurst, STL Harrison: University of Cape Town |
11.30 |
OR06 |
Geometallurgical characterisation of the Merensky Reef at Northam Platinum Mine: comparison of normal, pothole and transitional reef types
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M Becker et al: University of Cape Town
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11.50 |
OR07 |
A radiogenic and stable isotope study at the Mufulira Mine, Zambia – with special reference to the copper ISL
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NM Steven et al: Rockwater Consulting, Namibia |
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SHORT PRESENTATIONS (with Poster) |
12.10 |
SP01 |
Measuring velocity profiles in diaphragm valves |
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V Fester, M Chhiba: Cape Peninsula University of Technology |
| 12.17 |
SP02 |
Kinetic aspects of multi-component systems operated under eutectic freeze crystallisation conditions |
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DG Randall, AE Lewis, J Nathoo: University of Cape Town |
12.24 |
SP04 |
Precipitation of selenium from acidic copper sulphate solution using sodium sulphite |
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M Mangere, J Nathoo, AE Lewis: University of Cape Town: University of Cape Town |
12.31 |
SP05 |
Applicability of using EFC to treat Hydrometallurgical Brines |
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L Zibi, AE Lewis, J Nathoo: University of Cape Town |
12.38 |
SP06 |
Water minimisation at Skorpion Zinc – A systemic approach to process optimisation |
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H Bhikha, AE Lewis, J Nathoo : University of Cape Town |
12.45 |
SP07 |
Removal of aluminium silicate scaling species from a gas liquor stream using alumina |
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N Mbedzi, J Nathoo, AE Lewis: University of Cape Town |
13.00 |
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SESSION 2B: BIOPROCESSING (parallel with Session 2A) |
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Chair |
J Petersen |
10.50 |
OR08 |
Microorganism strain management for use in the removal of cobalt and copper from hydrometallurgical process solutions |
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NP Dlamini, AF Mulaba-Bafubiandi: University of Johannesburg |
11.10 |
OR09 |
Operating considerations for lactate-fed sulphidogenic reactors for use in treatment of acid mine drainage |
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O Oyekola, STL Harrison, R van Hille: University of Cape Town |
11.30 |
OR10 |
Visualisation of microbial attachment to sulphide minerals in a bioleach environment: the novel biofilm reactor |
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C-J Africa, STL Harrison, R van Hille: University of Cape Town |
11.50 |
OR11 |
Kinetics of dissolution of Galena from a Sulphide concentrates by a chloride process |
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T Mukongo et al: Columbus Stainless |
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SHORT PRESENTATIONS (with Poster) |
12.10 |
SP08 |
Identification of process fault conditions with random forest model |
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C Aldrich, JJ Burchell, L Auret: University of Stellenbosch |
12.17 |
SP09 |
An application of eco-efficiency to process design in minerals processing: a case study approach |
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M Guma, H von Blottnitz, J Broadhurst: University of Cape Town |
12.24 |
SP10 |
Online tracking of operational fault conditions in hydrocyclones by use of machine vision |
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C Aldrich, A Louw, MJ Leeuwner: University of Stellenbosch |
12.31 |
SP11 |
Dry beneficiation of coal using an air-fluidised bed of magnetite |
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S Kretzschmar, J Pocock, BK Loveday: University of KwaZulu-Natal |
12.38 |
SP12 |
Escherichia coli and Pseudomona strains absorbing nickel from low sulphur Ni bearing solutions |
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AF Mulaba-Bafubiandi, E Fosso-Kankeu, B Mamba: University of Johannesburg |
12.45 |
SP13 |
Computational fluid dynamic modelling of two phase flow in a hydrocyclone |
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MJ Leeuwner: University of Stellenbosch |
| 12.52 |
SP14 |
Investigating the effect of the specific gravity differences on the dry classification performance |
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A Mulaba-Bafubiandi, E Fosso-Kanken, B Mamba : University of Johannesburg |
13.00 |
LUNCH |
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SESSION 3A: COMMINUTION (parallel with Session 3B) |
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Chair: |
M Powell |
| 13.50 |
OR12 |
Investigating the effect of recycling load on the performance of HPGR circuit |
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H Benzar, N Aydogan: Hacettepe University, Turkey |
| 14.10 |
OR13 |
Effect of HPGR on energy consumption, mineral liberation and particle size distribution of platinum ores |
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N Solomon, M Becker, J Petersen, A Mainza : University of Cape Town |
| 14.30 |
OR14 |
Studies on mill pulp lifter chamber, grate discharge and their effects on discharge flowrate and flow-back |
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P Condori, A Mainza: University of Cape Town; M Powell: JKMRC, Australia |
| 14.50 |
OR15 |
Study of the efficiency of mineral deportment in the three-product cyclone |
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A Mainza: University of Cape Town; M Powell: University of Queesland, Australia
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| 15.10 |
OR16 |
Investigation of liner wear effect on semiautogenous mill operational parameters
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JM Karamoozian, Z Shafaei, R Kakaie: Shahrood Universtiy of Technology, Iran
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| 15.30 |
OR45 |
The JKRBT - the solution for fast tracking ore testing and characterisation |
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T Kojovic et al: JKMRC, University of Queensland, Australia |
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SESSION 3B: PYROMETALLURGY & METAL ACCOUNTING
(parallel with Session3A) |
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Chair: |
C Cutler |
13.50 |
OR17 |
Control of electrode immersion in the Lonmin no. 1 circular smelting furnace through furnace feed manipulation
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G Georgalli: University of Stellenbosch; JJ Eksteen: Lonmin Plc |
14.10 |
OR18 |
Sorption studies of South African coals |
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R Cox, JH Knoetze : University of Stellenbosch; JJ Eksteen: Lonmin Plc |
14.30 |
OR19 |
CFD modelling of molten matte and slag flows in a circular 3-phase smelting furnace |
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JJ Bezuidenhout, SM Bradshaw: University of Stellenbosch; JJ Eksteen: Lonmin Plc |
14.50 |
OR20 |
Development and initial application of a combined volume of fluid and discrete phase modelling approach to gas stirred ladles
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S Cloete, SM Bradshaw: University of Stellenbsoch; JJ eksteen: Lonmin Plc |
15.10 |
OR21 |
Development of a heuristic methodology for designing measurement networks for metallurgical accounting |
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P Bepswa, D A Deglon: University of Cape Town |
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SHORT PRESENTATIONS (with Poster) - single session (A venue) |
| 15.50 |
SP15 |
Development of an oxidation index to predict floatability in a sulphide ore |
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O Bicak, Z Ekmekci: Hacettepe University, Turkey |
| 15.57 |
SP16 |
Multi component breakage modelling of a ball milling circuit during the blended cement production
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H Dündar, H Benzer: Hacettepe University, Turkey |
| 16.04 |
SP17 |
Developing a fundamental understanding of the Kieserite crystallization process. |
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P Govan, AE Lewis, J Nathoo
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| 16.11 |
SP18 |
Phosphate crystallization from dewatering liquors
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R Ramaru, J. Nathoo, A. E. Lewis : University of Cape Town |
| 16.18 |
SP19 |
Investigating the effect of slag chemistry on chrome deportment between the slag and the matte phase
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RC du Preez, G Georgalli: University of Stellenbosch; JJ Eksteen: Lonmin Plc |
16.30 - 17.30 |
FORMAL POSTER SESSION with refreshments |
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FRIDAY 3 AUGUST 2007 |
08.30 |
Plenary Lecture: Chair : A Nesbitt |
-09.15 |
PL02 |
A new set of socio-economic sustainable development parameters facing the mining industry |
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FW Petersen : University of Cape Town |
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SESSION 4A: PHYSICAL SEPARATION (parallel with Session 4B) |
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Chair: |
A Nesbitt |
09.20 |
OR23 |
Modelling of the High Efficiency Air Classifiers
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O Altun, H Benzer: Hacettepe University, Turkey |
09.40 |
OR24 |
Predicting vibrating screen performance using a scale model |
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M Hilden, EV Manlapig: University of Queensland, Australia; J-P Franzidis: University of Cape Town
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10.00 |
OR25 |
Froth flotation in e-waste processing |
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IO Oguniniyi, MKG Vermaak: University of Pretoria |
10.20 |
OR46 |
The estimation of the continuous selection error using variography based on different sampling strategies for the critical-to-metal accounting elements at a high carbon ferrochromium smelter |
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E Thyse: University of Stellenbosch; JJ Eksteen: Lonmin Plc |
10.40 |
TEA |
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SESSION 4B: BIOPROCESSING (parallel with Session 4A) |
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Chair; |
S Harrison |
09.20 |
OR26 |
Investigating heap bioleaching - the effect of a variance in feed iron concentration on bioleaching performance and the microbial population
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STL Harrison, AW van Zyl, N Spurr, R van Hille: University of Cape Town |
09.40 |
OR27 |
Soil washing and bioremedation of contaminated slime dam material
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L Lorenzen, T Shumba: UNiversity of Stellenbosch |
10.00 |
OR28 |
The effect of fluid flow on inoculation, colonisation and leaching of chalcopyrite in a simulated packed bed reactor
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R van Hille et al: University of Cape Town |
10.20 |
OR29 |
Biooxidation kinetics of Leptospirillum ferriphilum under heap bioleach condition |
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T Ojumu, STL Harrison, J Petersen, GS Hansford: University of Cape Town |
10.40 |
TEA |
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SESSION 5A: HYDROMETALLURGY (parallel with Session 5B) |
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Chair |
J Nathoo |
11.10 |
OR30 |
Effect of seed concentration on the oxidation and precipitation of iron
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M Hove, RP van Hille, AE Lewis: University of Cape Town |
11.30 |
OR31 |
Effect of surface properties on solid-liquid separation characteristics of metal sulphides |
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T Mokone, AE Lewis, R van Hille: University of Cape Town |
11.50 |
OR32 |
Copper recovery in a bench-scale carrier facilitated tubular supported liquid membrane system. |
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S Makaka, M Aziz, A Nesbitt : Cape Peninsula University of Technology |
12.10 |
OR33 |
Removal of metal pollutants from aqueous solutions: natural clinoptilolite put to the test |
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DW Nyembe, AF Mulaba-Bafubiandi, BB Mamba : University of Johannesburg |
12.30 |
OR34 |
Treatment of reverse osmosis retentate using eutectic freeze crystallisation |
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ST Reddy, AE Lewis, J Nathoo: University of Cape Town |
12.50 |
LUNCH |
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SESSION 5B: PROCESS CONTROL (parallel with Session 5A) |
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Chair |
G Jemwa |
11.10 |
OR35 |
Identification of the dynamic state behaviour of a semi-autogenous mill |
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C Aldrich, JJ Burchell, JW de V Groenewald: University of Stellenbosch |
11.30 |
OR36 |
RNMPC vs PID control of a ROM milling circuit |
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LC Coetzee, Mintek; IK Craig: University of Pretoria; EC Kerrigan: Imperial College, London |
11.50 |
OR37 |
Monitoring of the steady state operation of a concentrator circuit by use of ensemble methods |
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C Aldrich, L Auret: University of Stellenbosch |
12.10 |
OR38 |
Recirculating load stabilisation and optimisation at newcrest cadia valley operations using mintek floatstar |
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D Phillpotts: Mintek |
12.30 |
OR39 |
Online monitoring of coal feeds on conveyor belts by use of support vector machines |
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C Aldrich, GT Jemwa, JD Thomas: University of Stellenbosch |
12.50 |
LUNCH |
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SESSION 6: FLOTATION |
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Chair |
MC Harris |
13.45 |
OR40 |
Improving the froth flotation recoveries of copper and cobalt bearing minerals from a mixed copper- cobalt oxidized ore using a dilution technique.
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DT Bell : University of Johannesburg |
14.05 |
OR41 |
Continuous online xanthate monitoring by means of spectrophotometry |
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B Lalla, F van Zyl : Mintek |
14.25 |
OR42 |
Assessment of froth stability down a flotation bank |
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S Morar, DJ Bradshaw, MC Harris : University of Cape Town |
14.45 |
OR43 |
Development and modelling of a two-stage semi-batch flotation apparatus |
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NV Ramlall, BK Loveday, J Pocock : University of KwaZulu-Natal |
| 15.05 |
OR44 |
title to follow |
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E Mavunga, MC Harris : University of Cape Town |
15.25 |
CLOSING (with refreshments) |
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POSTERS (to be displayed throughout Conference) |
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PP01 |
Automated analysis of laboratory sedimentation tests by use of machine vision |
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C Aldrich, GT Jemwa, A Samuels: University of Stellenbosch |
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PP02 |
Kinetics of microbial ferrous-iron oxidation by Leptospirillum ferriphilum: effect of ferric-iron on biomass growth |
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T Ojumu et al: University of Cape Town |
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SP01 |
Measuring velocity profiles in diaphragm valves |
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V Fester, M Chhiba: Cape Peninsula University of Technology |
| |
SP02 |
Kinetic aspects of multi-component systems operated under eutectic freeze crystallisation conditions |
| |
|
|
DG Randall, AE Lewis, J Nathoo: University of Cape Town |
| |
SP03 |
The estimation of the continuous selection error using variography based on different sampling strategies for the critical-to-metal accounting elements at a high carbon ferrochromium smelter |
| |
|
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E Thyse: University of Stellenbosch; JJ Eksteen: Lonmin Plc
|
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SP04 |
Precipitation of selenium from acidic copper sulphate solution using sodium sulphite |
| |
|
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M Mangere, J Nathoo, AE Lewis: University of Cape Town: University of Cape Town |
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SP05 |
Applicability of using EFC to treat Hydrometallurgical Brines |
| |
|
|
L Zibi, AE Lewis, J Nathoo: University of Cape Town |
| |
SP06 |
Water minimisation at Skorpion Zinc – A systemic approach to process optimisation |
| |
|
|
H Bhikha, AE Lewis, J Nathoo : University of Cape Town |
| |
SP07 |
Removal of aluminium silicate scaling species from a gas liquor stream using alumina |
| |
|
|
N Mbedzi, J Nathoo, AE Lewis: University of Cape Town |
| |
SP08 |
Identification of process fault conditions with random forest model |
| |
|
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C Aldrich, JJ Burchell, L Auret: University of Stellenbosch |
| |
SP09 |
An application of eco-efficiency to process design in minerals processing: a case study approach |
| |
|
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M Guma, H von Blottnitz, J Broadhurst: University of Cape Town |
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SP10 |
Online tracking of operational fault conditions in hydrocyclones by use of machine vision |
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|
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C Aldrich, A Louw, MJ Leeuwner: University of Stellenbosch |
| |
SP11 |
Dry beneficiation of coal using an air-fluidised bed of magnetite |
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|
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S Kretzschmar, J Pocock, BK Loveday: University of KwaZulu-Natal |
| |
SP12 |
Escherichia coli and Pseudomona strains absorbing nickel from low sulphur Ni bearing solutions |
| |
|
|
AF Mulaba-Bafubiandi, E Fosso-Kankeu, B Mamba: University of Johannesburg |
| |
SP13 |
Computational fluid dynamic modelling of two phase flow in a hydrocyclone |
| |
|
|
MJ Leeuwner: University of Stellenbosch |
| |
SP14 |
Investigating the effect of the specific gravity differences on the dry classification performance |
| |
|
|
A Mulaba-Bafubiandi, E Fosso-Kanken, B Mamba : University of Johannesburg |
| |
SP15 |
Development of an oxidation index to predict floatability in a sulphide ore |
| |
|
|
O Bicak, Z Ekmekci: Hacettepe University, Turkey |
| |
SP16 |
Multi component breakage modelling of a ball milling circuit during the blended cement production
|
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|
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H Dündar, H Benzer: Hacettepe University, Turkey |
| |
SP17 |
Developing a fundamental understanding of the Kieserite crystallization process. |
| |
|
|
P Govan, AE Lewis, J Nathoo
|
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SP18 |
Phosphate crystallization from dewatering liquors
|
| |
|
|
R Ramaru, J. Nathoo, A. E. Lewis : University of Cape Town |
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SP19 |
Investigating the effect of slag chemistry on chrome deportment between the slag and the matte phase
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RC du Preez, G Georgalli: University of Stellenbosch; JJ Eksteen: Lonmin Plc |
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