PYROMETALLURGY
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Index of Pyrometallurgy Division Pages
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Conferences
Technical Papers
2020
- Pilot plant smelting of Canadian and South African chromite in a DC furnace
- IJ Geldenhuys
- Practical considerations in the design of an experimental set-up for laboratory-scale investigation of slag freeze-linings
- PJA Bezuidenhout, JD Steenkamp, and QG Reynolds
- A brief history of chromite smelting
- RT Jones
- From ore body to high temperature processing of complex ores: Manganese — A South African perspective
- JD Steenkamp, D Chetty, A Singh, SAC Hockaday, and GM Denton
- Evaluation of titania-rich slag produced from titaniferous magnetite under fluxless smelting conditions
- IJ Geldenhuys, QG Reynolds, and G Akdogan
- An investigation into the wear mechanisms of carbon- and silicon carbide-based refractory materials by silicomanganese alloy
- WK Banda, JD Steenkamp, and E Matinde
- Preliminary investigation into the extraction of light rare earth elements from different resources using the sulphation roasting process
- KC Maluleke, XC Goso, S Ndlovu, E Matinde, and S McCullough
- Mathematical modeling of furnace drainage while tapping slag and metal through a single tap-hole
- JE Olsen and QG Reynolds
- Investigation of waste PCB leach residue as a reducing agent in smelting processes
- D Attah-Kyei, G Akdogan, C Dorfling, J Zietsman, D Lindberg, F Tesfaye, and QG Reynolds
- Feasibility of fluxless smelting of titaniferous magnetite ore in a pilot-plant open-arc DC furnace(MEng Thesis)
- IJ Geldenhuys
- Identifying barriers to growth in mineral value chains
- HJ van Zyl, WG Bam, and JD Steenkamp
- Method to quantify the effect of temperature and rotational speed on the decrepitation of South African manganese ores in a rotary kiln
(Author's proof)
- MS Moholwa, JD Steenkamp, and HL Rutto
- FactSage-based design calculations for the production of high-carbon ferromanganese on pilot-scale
(Author's proof)
- JD Steenkamp
- Upgrading pilot-scale facility at Mintek to evaluate the effect of preheating on smelter operations
(Author's proof)
- JD Steenkamp, GM Denton, and T Pieters
- The impact of solar resource characteristics on solar thermal pre-heating of manganese ores
(Author's proof)
- SAC Hockaday, T McKechnie, M Neises von Puutkamer, and M Lubkoll
- The development of a heat and mass transfer model for a shaft kiln to preheat manganese ore with hot air, model development methodology
(Author's proof)
- SN Sambo, SAC Hockaday, and T Seodigeng
2019
- Overcoming the phosphorus issue at the Agbaja iron ore project in Nigeria
- LA Sylwestrzak, S Moses, O Demir, and S Tsebe
- Cobalt recovery from southern African copper smelters
- RT Jones and C Pawlik
- Continuity and Change
- RT Jones
- The solar thermal treatment of manganese ore pellets using closed-loop forced convection of air
- SAC Hockaday, F Dinter, T Harms, and QG Reynolds
- Solar thermal applications in minerals processing in South Africa
- SAC Hockaday
- A CFD-based approach to selecting a concentrating solar thermal plant site location around a ferromanganese smelter
- M Swart, KJ Craig, and SAC Hockaday
- Coal-based reducing agents in ferroalloys and silicon production
- M Tangstad, JP Beukes, JD Steenkamp, and E Ringdalen
- Journal Comment - Furnace Tapping 2018
- JD Steenkamp
- Benchmark for tap-hole lifecycle management practices in silicomanganese production when submerged arc furnace technology of circular design is applied
(Published in JOM)
- JD Steenkamp, DA Hayman, and PJA Bezuidenhout
- Freeze-lining formation in submerged arc furnaces producing ferrochrome alloy in South Africa
- JD Steenkamp, QG Reynolds, MW Erwee, and S Swanepoel
2018
- Silicomanganese production at Mogale Alloys
- NA Sithole, N Rambuda, JD Steenkamp, DA Hayman, and CJ Hockaday
- Wear analysis of tap-holes at two ferrochromium production furnaces
(Published in SAIMM Journal in 2019)
- JD Steenkamp
- Phase effects in tap-hole flow – a computational modelling study
(Published in SAIMM Journal in 2019)
- QG Reynolds, JE Olsen, MW Erwee, and OF Oxtoby
- Multiphase flow modelling of lancing of furnace tap-holes: validation of multiphase flow simulated in OpenFOAM
(Published in SAIMM Journal in 2019)
- MW Erwee, QG Reynolds, JH Zietsman, and PJA Bezuidenhout
- Temperature field at the tap-hole in a manganese furnace – a computational modelling study
- JE Olsen, QG Reynolds, and MW Erwee
- Toward computational models of metallurgical converting processes
- QG Reynolds, MW Erwee, and SP Tsebe
- Sulphation roasting process for the extraction of rare earth elements
- KC Maluleke, XC Goso, S Ndlovu, E Matinde, and SD McCullough
- Process zones observed in a 48 MVA submerged arc furnace producing silicomanganese according to the ore-based process
- JD Steenkamp, JP Gous, W Grote, RD Cromarty, and HJ Gous
- Variables applicable to benchmarking of tap-hole life-cycle management practices in coke-bed-based ferroalloy production
- JD Steenkamp, WG Bam, and SP Tsebe
- Infacon XV overview
- RT Jones
- Influence of the power supply on the behaviour of DC plasma arcs – a modelling study (Infacon XV)
- QG Reynolds
- Fluxing of South African chromite ore with colemanite (Infacon XV)
- MW Erwee, IJ Geldenhuys, MB Sitefane, and M Masipa
- Working towards an increase in manganese ferro-alloy production in South Africa – a research agenda (Infacon XV)
- JD Steenkamp, WG Bam, E Ringdalen, M Mushwana, SAC Hockaday, and NA Sithole
- Considerations regarding electrode metering prior to startup (Infacon XV)
- CJ Hockaday and Y Ramparsad
- Comparing Electrical and Carbon Combustion Based Energy Technologies for the Production of High Carbon Ferromanganese: A Literature Review (Infacon XV)
- NA Sithole, WG Bam, and JD Steenkamp
- The workability index of three tap-hole clays (Infacon XV)
- JD Steenkamp, M Mnisi, and A Skjeldestad
- Interactive visualization of pyrometallurgical phase diagrams
- MW Erwee and QG Reynolds
- Python-based machine learning tools for metallurgical data clustering
- QG Reynolds, MW Erwee, and P Moodley
- Silicomanganese production at Transalloys in the twenty-tens
- JD Steenkamp, P Maphutha, O Makwarela, WK Banda, I Thobadi, M Sitefane, J Gous, and JJ Sutherland
2017
- Solar thermal treatment of manganese ores
- SAC Hockaday, QG Reynolds, F Dinter, and T Harms
- Excavation method for a 2.4 m diameter pilot-scale furnace
- J Chetty and JD Steenkamp
- Flowsheet development for the extraction of rare earths using Mintek's PyEarth process
- K Bisaka, IC Thobadi, S Mokoena, C Pawlik, and MW Erwee
- Extraction of rare earths from iron-rich rare earth deposits
- K Bisaka, IC Thobadi, and C Pawlik
- Multiphase fluid flow modelling of furnace tapholes
- QG Reynolds and MW Erwee
- Arcmon for Process Control in Silicomanganese Production: A Case Study
- JD Steenkamp, CJ Hockaday, JP Gous, W Clark, and A Corfield
- Dissipation of electrical energy in submerged arc furnaces producing silicomanganese and high-carbon ferromanganese
- JD Steenkamp, CJ Hockaday, JP Gous, and TW Nzima
- The early history and current state of industrial smelting in South Africa (Plenary address at European Metallurgical Conference)
- RT Jones and P den Hoed
- Graduation Address at Wits University, 31 March 2017
Audio (20 MB, 14 minutes)
- RT Jones
- The effect of magnesia and alumina crucible wear on the smelting characteristics of titaniferous magnetite
- MP Maphutha, M Ramaili, MB Sitefane, and XC Goso
- The effect of CaO to MgO ratio on the smelting characteristics of vanadium-bearing titaniferous magnetite
- M Sitefane, M Masipa, P Maphutha, and XC Goso
- Laboratory-scale sulphation roasting testwork for copper and cobalt production
- P Sithole, XC Goso, and H Lagendijk
- Recovery of vanadium from discard titaniferous magnetite slag using the soda ash roast-leach process
- M Lekobotja, M Mojapelo, XC Goso, and H Lagendijk
- A comparative study of vanadium recovery from titaniferous magnetite using salt, sulphate, and soda ash roast-leach processes
- S Nkosi, P Dire, N Nyambeni, and XC Goso
- Quality control during the installation of carbon-based cold ramming paste
- J Chetty, W Banda, and L Lindstad
- Metallothermic production of cement extender from manganese waste slags (Slag Valorisation)
Metallothermic production of cement extender from manganese waste slags (Young Professionals)
- W Banda and H Lagendijk
- A predictive mass and energy model for SiMn production in submerged arc furnaces
(Poster)
- NA Sithole, MW Erwee, and JD Steenkamp
- Round robin standard composition: HCFeMn reference material
- M Letsoalo and JD Steenkamp
- Insulating or conductive lining designs for electric furnace smelting?
(Presentation)
- JD Steenkamp, GM Denton, and DA Hayman
- Computational modeling of arc-slag interaction in DC furnaces
- QG Reynolds
2016
- SAIMM Journal - President's Corner (Collected articles 2015-2016)
- RT Jones
- The exact art and subtle science of DC smelting: Practical perspectives on the hot zone
- IJ Geldenhuys
- Opportunities for concentrated solar thermal heat in the minerals processing industry
- SAC Hockaday, F Dinter, and TM Harms
- Computational modelling of slag foaming in pyrometallurgical furnaces
- QG Reynolds and MW Erwee
- Joalet Steenkamp takes the heat for furnace photography
- L Robinson
- Working towards an increase in manganese ferroalloy production in South Africa - a research agenda
- JD Steenkamp
- Identifying barriers faced by key role players in the South African manganese industry
- HJ van Zyl, WG Bam, and JD Steenkamp
- Review of titanium feedstock selection for fluidized bed chlorinators
- A Kale and K Bisaka
- Prereduction and DC open-arc smelting of carbon-based ilmenite pellets
- K Bisaka, IC Thobadi, and XC Goso
- Crude TiCl4 purification: A review of the current state of the art and future opportunities
- SAC Hockaday and A Kale
- Extraction of rare-earth elements from iron-rich rare-earth deposits
- K Bisaka, IC Thobadi, and C Pawlik
- Scoping study of the upgrading of fluxed and fluxless titaniferous magnetite slags using the upgraded slag process
- XC Goso, J Petersen, J Nell, and K Bisaka
- Indicative vanadium deportment in the processing of titaniferous magnetite by the Roast-Leach and Electric Furnace Smelting processes
- XC Goso, H Lagendijk, MW Erwee, and G Khosa
- Review of liquidus surface and phase equilibria in the TiO2-SiO2-Al2O3-MgO-CaO slag system at pO2 applicable in fluxed titaniferous magnetite smelting
- XC Goso, J Nell, and J Petersen
- Metal recovery using DC arc furnaces (Presentation only)
- IJ Geldenhuys
- Chemical wear of carbon and silicon carbide-based refractory materials by silicomanganese metal
- W Banda, JD Steenkamp, and E Matinde
- Analysis of electrical energy dissipation in submerged-arc furnaces producing silicomanganese
- JD Steenkamp, CJ Hockaday, and JP Gous
- Tap-hole life cycle design criteria: A case study based on silicomanganese production
- JD Steenkamp, JJ Sutherland, DA Hayman, and J Muller
- Comparison of 2D and 3D computational multiphase fluid flow models of oxygen lancing of pyrometallurgical furnace tap-holes
- MW Erwee, QG Reynolds, and JH Zietsman
- Insights into the potential for reduced refractory wear in silicomanganese smelters
- JD Steenkamp, PC Pistorius, and J Muller
- Journal Comment - Furnace Tapping
- JD Steenkamp
- Simulation of ferro-alloy smelting in DC arc furnaces using Pyrosim and FactSage
(Presentation)
- RT Jones and MW Erwee
2015
- High-speed photography and modelling of DC plasma arcs interacting with irregular surfaces
(
9178 kB)
- QG Reynolds
- Smelting of calcined basic nickel carbonate concentrate in a 200 kW DC arc furnace
(
1676 kB)
- M Abdellatif
- Design methods for DC arc furnaces to enhance furnace integrity
(
835 kB)
- RT Jones and QG Reynolds
- Some considerations for safer furnace cooling
(
1002 kB)
- MW Kennedy, A MacRae, RT Jones, L Kolbeinsen, P Nos, and A Filzwieser
- Truth and error in scientific publishing (SAIMM Presidential Address)
(
7629 kB)
Presentation
( 6616 kB)
Audio (66 MB, 70 minutes)
- RT Jones
- DC arc furnaces: The story of a successful South African technology
(
4083 kB)
- RT Jones
- An overview of copper smelting in southern Africa
(
133 kB)
Presentation
( 2572 kB)
- RT Jones and PJ Mackey
- Introduction to the production of clean steel
(
2727 kB)
- JD Steenkamp and L du Preez
- Fundamental aspects of alloy smelting in a DC arc furnace
(
15 MB)
- RT Jones
- Technical and industrial developments in ferro-alloys in southern Africa
(
3562 kB)
- NA Barcza and RT Jones
- Industrial demonstration of arc detection in DC arc furnaces
(
615 kB)
- CJ Hockaday, QG Reynolds, and DT Jordan
- Mathematical and computational modelling of MHD effects in entrained droplets of slag and metal
(
1617 kB)
- QG Reynolds
- Towards computational modelling of multiphase flow in and around furnace tap-holes due to lancing with oxygen: An initial computational and cold model validation study
(
1541 kB)
- MW Erwee, QG Reynolds, JH Zietsman, RD Cromarty, and AS Lexmond
- Tap-hole wear: Analysis of daily average slag and metal compositions of a single SiMn smelter
(
566 kB)
- JD Steenkamp and PC Pistorius
- Interaction of dust with the DC plasma arc - a computational modelling investigation
(
4751 kB)
- QG Reynolds
- Pyrometallurgy modelling (Journal Comment)
(
419 kB)
- RT Jones
- Slag Jewellery: A non-traditional slag valorisation process
(
2546 kB)
- JD Steenkamp
- Chemical wear analysis of a tap-hole on a SiMn production furnace
(
3466 kB)
- JD Steenkamp, PC Pistorius, and M Tangstad
- Wear mechanisms of carbon-based refractory materials in silicomanganese tap holes - Part I: Equilibrium calculations and slag and refractory characterization
(
2851 kB)
- JD Steenkamp, PC Pistorius, and M Tangstad
- Wear mechanisms of carbon-based refractory materials in SiMn tap holes - Part II: In situ observation of chemical reactions
(
2498 kB)
- JD Steenkamp, PC Pistorius, and M Tangstad
2014
2013
2012
- Open access to metallurgical publications
(
489 kB)
(As published in SAIMM Journal
( 583 kB))
- RT Jones
- Factors influencing the residence time distribution in continuously-fed batch-tapped furnaces
(
267 kB)
- RT Jones and QG Reynolds
- Challenges and solutions in PGM furnace operation: high matte temperature and copper cooler corrosion
(
821 kB)
(As published in SAIMM Journal
( 1277 kB))
- A Shaw, LPvS de Villiers, RJ Hundermark, J Ndlovu, LR Nelson, B Pieterse, R Sullivan, N Voermann, C Walker, F Stober, and AD McKenzie
- Plasma arc extinction events - Insights from high-speed photography and modelling
(
414 kB)
- QG Reynolds
- The dual-electrode DC arc furnace - modelling brush arc conditions
(
620 kB)
- QG Reynolds
- An overview of recycling of electronic waste - Part 2
(
213 kB)
- BS Xakalashe, K Seongjun, and J Cui
- An overview of recycling of electronic waste - Part 1
(
438 kB)
- BS Xakalashe, K Seongjun, and J Cui
- Fluidization behaviour of various titania feedstocks
(
723 kB)
- S Moodley, A Kale, D Bessinger, C Kucukkaragoz, and RH Eric
- Chlorination of titania feedstocks
(
546 kB)
- S Moodley, RH Eric, C Kucukkaragoz, and A Kale
- Evaluation of Zefreh dolomite (central Iran) for production of magnesium via the Pidgeon process
(
842 kB)
- B Mehrabi, M Abdellatif, and F Masoudi
- Silicon processing: from quartz to crystalline silicon solar cells
(
475 kB)
- BS Xakalashe and M Tangstad
- The application of X-ray computed tomography to the characterisation of pyrometallurgical products - a case study
(
1603 kB)
- AA Corfield, D Chetty, J Mukadi, and K Bisaka
- Presentation: Pyrometallurgical process modelling: How far have we come?
(
3700 kB)
Audio (22 MB)
- RT Jones
- Presentation: Arc modelling and supercomputing
(
2562 kB)
Audio (17 MB)
- QG Reynolds
2011
- Smelting applications of DC furnaces
(
4475 kB)
- RT Jones
- Advances in the understanding of DC plasma arc behaviour - Insights from photography
(
6885 kB)
- QG Reynolds and RT Jones
- Model development for molten state Al and Ti metals
(
1153 kB)
- AS Lopis, QG Reynolds, and K Bisaka
- Estimating the physical properties of slags
(
821 kB)
- KC Mills, Y Lang, and RT Jones
- Cobalt from slag - Lessons in transition from laboratory to industry
(
393 kB)
- AR Barnes and RT Jones
- What scale should your smelting testwork be done at, and what do you get for the money you spend?
(
648 kB)
- IJ Geldenhuys and RT Jones
- Review of the development work on the Mintek Thermal Magnesium Process (MTMP)
(
2697 kB)
- M Abdellatif
- Removal of phosphorus from silicon melts by vacuum refining
(
1231 kB)
MSc thesis from NTNU, Norway
- BS Xakalashe
- Vacuum removal of the impurities from different silicon melts
(
698 kB)
- J Safarian, BS Xakalashe, and M Tangstad
- Some aspects of dynamic computational modelling of direct current plasma arc phenomena
(
877 kB)
- QG Reynolds and BD Reddy
- Oxidation and reduction of iron-titanium oxides in chemical looping combustion: a phase-chemical description
(
638 kB)
- P den Hoed and A Luckos
- Some myths about DC arc furnaces
(
801 kB)
(As published in SAIMM Journal
( 891 kB))
- RT Jones, QG Reynolds, TR Curr, and D Sager
- The dual-electrode DC arc furnace - modelling insights
(
871 kB)
(As published in SAIMM Journal
( 871 kB))
- QG Reynolds
- Silicon processing: from quartz to crystalline silicon solar cells
(
746 kB)
- BS Xakalashe and M Tangstad
- DC arc smelting of silicon: Is it technically feasible?
(
260 kB)
- M Abdellatif
- Interaction of MgO-MgR2O4 (R:Al,Cr,Fe) refractories with SO2-containing gases
(
3140 kB)
- NZ Fotoyi and RH Eric
2010
- Production of titanium metal powder by the HDH process
(
1866 kB)
(As published in SAIMM Journal
( 2469 kB))
- X Goso and A Kale
- Fluid bed chlorination pilot plant at Mintek
(
369 kB)
(As published in SAIMM Journal
( 1069 kB))
- A Kale and K Bisaka
- Experience and results from running of a 1 kg Ti scale Kroll reactor
(
1169 kB)
- SAC Hockaday and K Bisaka
- Computational simulation of molten titanium-aluminium metal and alloys
(
147 kB)
- AS Lopis, QG Reynolds, and K Bisaka
- High-speed photography and modelling of direct-current plasma arcs
(
221 kB)
- QG Reynolds and RT Jones
- The pros and cons of reductive matte smelting for PGMs
(
125 kB)
(First page, as published in Minerals Engineering
( 108 kB))
- RT Jones and IJ Geldenhuys
- Mathematical and computational modelling of the dynamic behaviour of direct current plasma arcs
(
1852 kB)
(As published in the SAIMM Journal
( ))
- QG Reynolds, RT Jones, and BD Reddy
- Comparing manganese ferroalloy smelting in pilot-scale AC and DC submerged-arc furnaces
(
2014 kB)
- H Lagendijk, BS Xakalashe, T Ligege, P Ntikang, and K Bisaka
- Some aspects of the production of ferrochrome alloys in pilot DC arc furnaces at Mintek
(
804 kB)
- SAC Hockaday and K Bisaka
- Pre-reduction and smelting characteristics of Kazakhstan ore samples
(
1950 kB)
- SD McCullough, SAC Hockaday, C Johnson, and NA Barcza
- Mould flux residues aid descaling of reheated austenitic stainless steel
(
462 kB)
- JN Mukadi and PC Pistorius
2009
2008
2007
- JOM World Nonferrous Smelter Survey Part IV: Nickel: Sulfide
(
354 kB)
- AEM Warner, CM Diaz, AD Dalvi, PJ Mackey, AV Tarasov, and RT Jones
- Related paper on Nickel Laterite smelting (also included in file above)
- An analysis of pressure fluctuations in a CFB of heavy minerals
(
334 kB)
- A Luckos, QG Reynolds, and P den Hoed
- South Africa's Ferro Alloys Industry - present status and future outlook
(
426 kB)
- J Basson, TR Curr, and WA Gericke
- A twin-cathode DC arc smelting test at Mintek to demonstrate the feasibility of smelting FeNi from calcine prepared from siliceous laterite ores from Kazakhstan for Oriel Resources plc
(
2051 kB)
- IJ Reinecke and H Lagendijk
- Current and potential applications of fluid-bed technology in the ferroalloy industry
(
556 kB)
- A Luckos, GM Denton, and P den Hoed
- An experimental investigation of foaming in acidic, high FexO slags
(
352 kB)
- SAC Stadler, JJ Eksteen, and C Aldrich
2006
2005
2004
2002
2001
2000
1999
1998
1997
1996
1995
- Pilot-plant production of Prime Western grade zinc from lead blast-furnace slags using the Enviroplas process
- AFS Schoukens, GM Denton, and RT Jones
- Enviroplas technology for the recovery of lead and zinc from lead blast furnace slags
(
991 kB)
- NA Barcza, DGC Robertson, AFS Schoukens, F Shaw, GM Denton, AW Worcester, and DJ Bailey
- Formation of Titanium carbide from ilmenite concentrates in a thermal plasma reactor
(
787 kB)
- PR Taylor, M Manrique, SA Pirzada, and MA Abdel-latif
- Reflections on the future, and on the role of the ferro-alloy industry in South Africa as part of the social system
(
6593 kB)
- NA Barcza, JPW Bennie, and K Bezemer
1994
1993
1992
1991
1990
1989
1988
1987
1986
- The potential role of fluidized beds in the metallurgical industry
(
645 kB)
- WFAT Meihack
- Factors affecting the reduction rate of chromite
(
486 kB)
- NF Dawson and RI Edwards
- An assessment of smelting reduction processes in the production of Fe-Cr-C alloys
(
397 kB)
- MJ Niayesh and GW Fletcher
- Technology for the production of new grades and types of ferro-alloys using thermal plasma
(
698 kB)
- D Slatter, NA Barcza, TR Curr, KU Maske, and LB McRae
- Process routes for beneficiation of noble metals from Merensky and UG-2 ores
(
953 kB)
- KS Liddell, LB McRae, and RC Dunne
- The control and operation of a pilot-plant DC plasma furnace
(
487 kB)
- KC Nicol, MS Rennie, and AB Stewart
- The production of ferrotitanium in a d.c. transferred-arc plasma furnace
(
704 kB)
- AD Brent, LB McRae, and H Lagendijk
- The development of large-scale thermal-plasma systems
(
424 kB)
- NA Barcza
- Chromium in South Africa
(
200 kB)
- DD Howat
1985
- The application of thermal plasma technology to large-scale pyrometallurgical processes
(
1115 kB)
- NA Barcza, TR Curr, and KU Maske
- The attainment of high power densities in transferred-arc plasma smelting processes
(
343 kB)
- TR Curr, KU Maske, and KC Nicol
- Development in refractories for plasma technology
(
1736 kB)
- RC Nunnington, KU Maske, AFS Schoukens, TR Curr, and NA Barcza
- The 3,2MVA plasma facility at Mintek
(
859 kB)
- TR Curr, KC Nicol, JF Mooney, AB Stewart, and NA Barcza
- The production of manganese ferro-alloys in transferred-arc plasma systems
(
1855 kB)
- AFS Schoukens and TR Curr
- The aluminothermic reduction of the oxide of reactive metals
(
599 kB)
- NA Barcza, GW Dreibrodt, and JA Theron
- Metallurgical reaction philosophies of transferred-arc plasma furnaces
(
514 kB)
- KU Maske and KJ Reid
1984
1983
1982
1981
1979
1977
1976
1975
1974
1972
1969
1936
Patents (available as PDF files, 120 kb to 1600 kB)
- 2007 - Metal vapour condensation and liquid metal withdrawal (2007/5597)
- AFS Schoukens, TR Curr, M Abdellatif, RM Whyte
- 2004 - Method of and apparatus for refining zinc (2004/1249)
- AD McKenzie, GM Denton, H Lagendijk, MD Shapiro, DP Mitchell
- 2003 - Ferro-alloy production - large multi-electrode d.c. furnaces as a way of scaling up to larger ferro-alloy plants (2003/8556)
- NA Barcza, IJ Barker, MS Rennie, PJ Brereton-Stiles
- 2002 - Iron-nickel alloy production (2002/5502)
- TR Curr, NA Barcza, H Lagendijk
- 2002 - Agglomeration of ferro-alloy fines (2002/4091)
- JP Beukes, J Nell, and SD McCullough
- 2001 - Treatment of metal sulphide concentrates (2001/6720 and EP1157139)
- RT Jones, NA Barcza, G Kaiura, G O'Connell, and T Hannaford
- 1998 - The processing of zinc bearing materials (95/4963 and ZA965134)
- NA Barcza, AFS Schoukens, and GM Denton
- 1996 - Ferrochromium production (96/0877)
- HL Smith, GM Denton, and NA Barcza
- 1995 - The recovery of metal values from slags (95/4458)
- DA Hayman and GM Denton
- 1994 - The production of ferronickel from nickel containing laterite (94/6071)
- H Lagendijk, AFS Schoukens, P Smith, and PWE Blom
- 1993 - The production of stainless steel (93/5789)
- MJ Niayesh
- 1993 - The recovery of titanium from titanomagnetite
- MD Boyd, AFS Schoukens, and GM Denton
- 1992 - The production of high titania slag from ilmenite (93/5072)
- GM Denton and AFS Schoukens
- 1991 - The recovery of platinum-group metals and gold from sources containing same (91/7598)
- LB McRae and EB Pretorius
- 1991 - The production of calcium carbide (91/9350)
- LJ Erasmus and AFS Schoukens
- 1988 - The production of mattes containing PGMs and gold (88/6670)
- LB McRae and JPR de Villiers
- 1988 - The thermal reduction of agglomerated metallurgical feed materials with oxide coatings (88/2581)
- NA Barcza, RA Featherstone, and RC Nunnington
- 1988 - The thermal reduction of agglomerated feed materials with metallic coatings (88/1098)
- NA Barcza and RC Nunnington
- 1987 - Process for the enhanced reduction of chromite ores
- NF Dawson and RI Edwards
- 1986 - The thermal production of magnesium (86/7102)
- AFS Schoukens and NA Barcza
- 1986 - Electrically heated fluidized bed reactor and processes (86/7101)
- NA Barcza, MJ Dry, and WFAT Meihack
- 1984 - The aluminothermic reduction of the oxide of reactive metals (84/0245)
- NA Barcza, GW Dreibrodt, and JA Theron
- 1984 - Materials feeder assembly (84/0994)
- T Monaci
- 1984 - Process for the production of silicomanganese and ferromanganese-silicon alloys (84/9318)
- NA Barcza and AFS Schoukens
- 1983 - The refining of silicon (83/6819)
- LB McRae
- 1983 - Electrode assemblies for thermal plasma generating devices (83/1375)
- TR Curr and JF Mooney
- 1983 - The protection of water cooled plasma generating devices (83/1374)
- NA Barcza and JF Mooney
- 1983 - The treatment of ferromanganese (83/7183)
- TR Curr and IE Schmidt
- 1982 - The production of mattes containing platinum group metals and gold (82/2966)
- LB McRae, TR Curr, and JP Loo
- 1982 - The production and treatment of ferrochromium (82/7404)
- TR Curr and NA Barcza
- 1982 - The refining of ferrochromium metal (82/7403)
- TR Curr and NA Barcza
- 1977 - The control of electrical arc furnaces (77/3923)
- IJ Barker and AB Stewart
- 1976 - Improvements relating to briquettes (76/5287)
- LB McRae
- 1975 - A process for the treatment of mixtures of platinum group metals and gold (75/0593)
- RI Edwards, JP Loo, and DI Ossin
- 1975 - Stainless steel production (75/7930)
- DI Ossin
- 1972 - Improvements in or relating to the production of ferrochromium alloys (72/6389)
- PR Jochens
Pilot Plants
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