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Mining corporate boardrooms still a male club? Experiences and challenges faced by South African womenBy N. V. Moraka
Calls for transformation in the mining sector are legislated. Whilst the composition of boards in terms of gender diversity and equal representation has improved, little is known on how women director
Feb 12, 2024
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Use A Cansolve SO2 Scrubbing System To Better Link Your Batch-Operated Furnace With Its By-Product Sulphuric Acid PlantBy P. Roy
Smelting or converting of sulphide concentrates and mattes in a batch operation presents a challenge when directing the off- gas to a conventional acid plant. The Hindustan Zinc Ltd. (a division of th
Jan 1, 2007
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Copper losses to slags obtained from the E1 Teniente processBy M. Sanchez, I. Imris, G. Achurra
The Smelting and Converting El Teniente Process for copper concentrates as well as Slag Cleaning Furnace Technologies to treat slags coming out from the El Teniente Furnaces are widely applied today i
Jan 1, 2004
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Modeling of plastic deformation and damage due to drying around a shaft in claystoneBy J. F. Shao, G. Duveau, W. Z. Chen, O. Ozanam
In this paper, we present a sensitivity study for the numerical modelling of hydromechanical coupling around a shaft in partially saturated claystone. Two representative constitutive models have been
Jan 1, 2003
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Sensitivity of shotcrete Brazilian discs coated with thin spray-on liners to environmental conditionsBy M. J. Kanda, T. R. Stacey
Thin spray-on liners (TSLs) have been used as sealants and rock support in tunnels for over 25 years. Laboratory tests have indicated satisfactory properties that can provide adequate strength, adhesi
Jul 1, 2021
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Dimensioning of Tunnels in Swelling RockBy P. Wittke-Gatterman
ABSTRACT: A three dimensional constitutive law for swelling rock is presented. It can be applied to the osmotic swelling of mudstone as well as to the swelling of rocks containing anhydrite. It descri
Jan 1, 2003
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The Challenges Of Infrastructure Development In The Eastern Limb Of The Bushveld Complex Of South Africa - SynopsisBy G. L. Smith
As the Platinum mining industry expands in the Eastern Limb of the Bushveld Complex it is increasingly evident that a major constraint to development is a lack of appropriate infrastructure. Of criti
Jan 1, 2008
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Unplanned dilution and ore loss prediction in longhole stoping mines via multiple regression and artificial neural network analysesBy H. Jang, Y. Kawamura
Unplanned dilution and ore loss directly influence not only the productivity of underground stopes, but also the profitability of the entire mining process. Stope dilution is a result of complex inter
Jan 1, 2015
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Calculation models on the viscosity of the CaO-SiO2-TiO2slag systemBy J. -Y. Jia, G. -B. Qiu, C. -G. Bai, D. -F. Chen
Due to the great importance of the smelting process, it is essential to establish a calculation model on the viscosity of the slag system containing titania. In this paper, the calculation models of m
Jan 1, 2004
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Viscosity of CaO-CuxO-MgO-SiO2slagsViscosity measurements were carried out on slags in the CaO-Cu2O-CuO-MgO-SiO2systemcontaining ~ 63 wt% SiO2in air. The experimental work was carried out over a range of temperatures where the slags we
Jan 1, 2004
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The effect of resin annulus on anchorage performance of fully encapsulated rockboltsA diverse selection of rockbolt designs and resin anchors are available for use in underground mines. Research in recent years at the UNSW Mining Research Centre led to the construction of a rockbolt
Jan 1, 2003
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A decision analysis guideline for underground bulk air heat exchanger design specificationsBy M. Hooman, W. M. Marx, R. C. W. Webber-Youngman
This paper discusses a study that investigated different underground bulk air heat exchanger (>100 m3/s) design criteria. A literature review found that no single document exists covering all design c
Jan 1, 2015
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Mould Powder Selection For Thin Slab CastingBy J. A. Kromhout, J. Trouw, A. A. Kamperman, M. Kick
Mould powders play an important role in the stability of the continuous casting process. The main functions of mould powders are to provide sufficient lubrication and to control the horizontal heat tr
Jan 1, 2004
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Secondary Breaking Strategy For Block 4 At De Beers - Finsch MineBy R. D. Hull
Paper written on project work carried out in partial fulfilment of B.Sc. (Eng.) (Mining) degree As a partial fulfilment for the degree of B.Sc. (Eng) (mining) at the University of the Witwatersrand
Jan 1, 2002
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A study of metal droplet distributions in slags during ladle treatment phase of secondary steelmakingBy J. Ekengård, H. Srinath, M. Andersson, P. Jönsson, D. S. Sarma
The present paper deals with mixing between the metal and slag phase during the ladle refining process, including vacuum degassing. Dispersion of metal drops in ladle slags has been studied. The resul
Jan 1, 2004
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CFD Modelling Of The Steel Belt Sintering ProcessBy L. Hekkala, J. Ollila, J. Keihäs, P. Mäkelä
The Outokumpu Steel Belt Sintering (SBS) Technology is used for manufacturing chromite pellets that are charged into a smelting furnace for ferrochromium production. One of the main elements in succes
Jan 1, 2007
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Geotechnical properties of the northern KwaZulu-Natal coastal sand dunes, South AfricaBy E. M. Bloomfield, C. A. Jermy
Geotechnical tests were carried out within an area of the coastal sand dune cordon of northern KwaZulu-Natal which is currently being exploited through mining of heavy mineral sands. In situ and labor
Jan 1, 2003
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Chromium distribution between slag and non-carbon saturated metal phases under changing partial pressure of carbon monoxideBy X. Pan
Slag-metal equilibrium experiments were conducted at 1500ºC and 1580ºC under 0.03 atm, 0.05atm and 0.83 atm CO partial pressures using silica and Cr-oxide crucibles. The complex slags belonged to SiO2
Jan 1, 2004
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New Trends In Submerged Arc Furnace TechnologyBy J. Kunze, R. Degal
During the last 100 years, the submerged arc furnace has been one of the most amazing diversified melting units. These furnaces have found their application in more than 20 different main industrial a
Jan 1, 2004
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A national curriculum in Australian minerals education: New generation flexible-delivery undergraduate coursesBy G. Kelly
A new minerals engineering education programme is being developed in Australia which aims to provide tertiary institutions with a package of educationally sound, high quality courses for undergraduate
Jan 1, 2003