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Browsing by Supervisor "Garbers-Craig, Andrie Mariana"
Now showing items 1-16 of 16
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(University of Pretoria, 2008-09-23)Iron ore sinter is produced from fine-grained ore in order to provide a direct charge to the blast furnace. During the sinter production process fine sinter is produced that is not acceptable as feedstock for the blast ...
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(University of Pretoria, 2007-10-18)In South Africa, the ferrochromium industry produces approximately 100,000 t bag house filter dust and slurry, while the stainless steel industry produces 24,000 t of dust annually [17,39]. The toxic substances in these ...
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(University of Pretoria, 2020-08)The use of iron ore concentrate has become of interest as the demand for higher grade sinter feed is increasing. The fine nature of the concentrate however raises concerns as it can affect permeability during sintering ...
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(University of Pretoria, 2015)Low carbon ferrochrome is a primary alloying element in the production of stainless steel. The Mixing Method (Perrin and Duplex) processes are most commonly used for the production thereof. However, during the cocktailing ...
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(University of Pretoria, 2024-07-04)The aim of this study was to determine the critical properties that a binder for use in taphole clay should have, identify alternative non-toxic binders that could potentially replace the currently used toxic high-temperature ...
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(University of Pretoria, 2021)This report investigates the cause of the reduction in workability and increased ageing of a blast furnace taphole clay. The taphole clay contains 60 mass% alumina, with a phenol-formaldehyde resole resin (PFR) and liquid ...
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(University of Pretoria, 2008-09-05)The sinter quality is dependent on sinter mineralogy, which in turn depends on the chemical compositions of the sinter mix. Although many research works have been conducted, further investigation on the effect of chemical ...
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(University of Pretoria, 2017)The depletion of high-grade lump ore and increased blast furnace productivity with the use of prepared burden have resulted in increased use of iron ore sinter and pellets. There is considerable interest in including fine ...
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(University of Pretoria, 2008-09-09)The main purpose of this study was to optimise the grain size distribution of the raw material mixture for the production of iron sinter. It well known that the constitution of the sinter mix is based on the knowledge of ...
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(University of Pretoria, 2014)PGM concentrates contain more than just the platinum group minerals. They also concentrate three minerals pyrrhotite (Fe1 xS), pentlandite ([Fe,Ni]9S8) and chalcopyrite (CuFeS2). In a sample of Merensky concentrate tested ...
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(University of Pretoria, 2012)During the aluminium electrolysis process, pot linings determine the life span of the cell. As a result there has been considerable and ongoing research internationally on the penetrating chemical species and phases that ...
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(University of Pretoria, 2011-10-18)It was been reported that untreated wastes from ferrochrome plants release heavy metals including lead, chromium, copper, cadmium, zinc and nickel in the environment. Some of these metals such as hexavalent chromium are ...
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(University of Pretoria, 2012-06-26)The effect of replacing fine ore by coarse ore on sintering reactions was investigated using an infrared furnace on laboratory scale and sinter pots on pilot plant scale. Five sinter mixes were prepared by changing the ...
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(University of Pretoria, 2010-09-17)Corrosion problems of copper waffle coolers are experienced in Platinum Group Metals (PGM’s) smelting furnaces. The copper cooler wear mechanism was studied through a post-mortem analysis of the refractory corrosion products ...
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(University of Pretoria, 2015)The feasibility of producing Direct Reduced Iron from cold-bonded self-reducing composite pellets made from Anglo American Kumba Iron Ore Sishen upgraded slimes was considered on laboratory scale. Composite pellets were ...
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(University of Pretoria, 2020-08)Ferrovanadium can be produced in a DC arc furnace by reducing V2O3 by means of an aluminothermic reaction. Vanadium recovery is decreased by the formation of vanadium oxides within the slag, along with ferrovanadium droplet ...
Now showing items 1-16 of 16