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    Browsing Doctoral Degrees (Process Engineering) by Title 
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    • Doctoral Degrees (Process Engineering)
    • Browsing Doctoral Degrees (Process Engineering) by Title
    •   SUNScholar
    • Faculty of Engineering
    • Department of Process Engineering
    • Doctoral Degrees (Process Engineering)
    • Browsing Doctoral Degrees (Process Engineering) by Title
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    Browsing Doctoral Degrees (Process Engineering) by Title

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    Now showing items 1-20 of 79

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        The adsorption and elution of Pt-, Pd- and Au cyanide using activated carbon 

        Snyders, Cornelius Albert (Stellenbosch : Stellenbosch University, 2015-03)
        ENGLISH ABSTRACT: In order to exploit lower grade and complex platinum group metal resources, cheaper and more efficient alternatives to the conventional mill-float-smelt-refine route are being sought. Leaching of platinum ...
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        The adsorption characteristics of precious and base metals on four different ion-exchange resins 

        Els, Ellis Raymond (Stellenbosch : Stellenbosch University, 2000-12)
        ENGLISH ABSTRACT: Adsorption tests were conducted with four different ion-exchange resins to determine the equilibrium adsorption of a range of precious and base metals. The adsorption characteristics were determined ...
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        Adsorptive separations in the production of neutral wine alcohol 

        Goliath, Elroy Mario (Stellenbosch : Stellenbosch University, 2002-03)
        ENGLISH ABSTRACT: This study describes the design, construction, complete industrialisation and operation of a dual bed vacuum swing adsorption (VSA) demonstration plant, which operates at atmospheric and sub-atmospheric ...
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        Application of data analytics and knowledge-based systems in mineral processing 

        Aldrich, Christiaan (Stellenbosch : Stellenbosch University, 2015-12)
        ENGLISH ABSTRACT: This dissertation covers research carried out over the past 20 years in the area of knowledge engineering in mineral processing, specifically with regard to process data as a form of knowledge. This ...
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        The bio-disposal of lignocellulose substances with activated sludge 

        Qi, Bing Cui (Stellenbosch : Stellenbosch University, 2001-03)
        ENGLISH ABSTRACT: Lignocellulose is the principal form of biomass in the biosphere and therefore the predominant renewable source in the environment. However, owing to the chemical and structural complexity of lignocellulose ...
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        CFD analysis of solid-liquid-gas interactions in flotation vessels 

        Karimi, Mohsen (Stellenbosch : Stellenbosch University, 2014-04)
        ENGLISH ABSTRACT: A Computational Fluid Dynamics (CFD) model was developed for the prediction of flotation rate constants in a stirred flotation tank and validated against experimental data. The model incorporated local, ...
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        Characterisation and dynamic modelling of the behaviour of platinum group metals in high pressure sulphuric acid/oxygen leaching systems 

        Dorfling, Christie (2012-12)
        ENGLISH ABSTRACT: Sulphuric acid/oxygen pressure leaching is typically employed on Base Metal Refineries (BMRs) to selectively dissolve base metals from platinum group metal (PGM) bearing nickelcopper matte. Optimal ...
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        Characterising the effect of microwave treatment on bio-leaching of coarse, massive sulphide ore particles 

        Charikinya, Edson (Stellenbosch : Stellenbosch University, 2015-12)
        ENGLISH ABSTRACT: The aim of this work was to determine if microwave treatment of a typical massive sulphide ore, prior to bio-leaching would induce micro-cracks and enhance value mineral exposure resulting in improved ...
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        Characterization and optimization of an extractor-type catalytic membrane reactor for meta-xylene isomerization over Pt-HZSM-5 catalyst 

        Daramola, Michael Olawale (Stellenbosch : University of Stellenbosch, 2010-12)
        ENGLISH ABSTRACT: Future chemical production is faced with a challenge of limited material and energy resources. However, process intensification might play a significant role to alleviating this problem. Vision of process ...
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        Cogasification of coal and biomass : impact on condensate and syngas production 

        Aboyade, Akinwale Olufemi (Stellenbosch : Stellenbosch University, 2012-03)
        ENGLISH ABSTRACT: Gasification provides a proven alternative to the dependence on petroleum for the production of high value products such as liquid fuels and chemicals. Syngas, the main product from gasification can be ...
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        Combinatorial evolution of feedforward neural network models for chemical processes 

        Schmitz, Gregor Peter Josef (Stellenbosch : Stellenbosch University, 1999-11)
        ENGLISH ABSTRACT: Neural networks, in particular feedforward neural networks architectures such as multilayer perceptrons and radial basis function networks, have been used successfully in many chemical engineering ...
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        Computerized design of solvents for extractive processes 

        Van Dyk, Braam (Stellenbosch : Stellenbosch University, 2001-12)
        ENGLISH ABSTRACT: Separation processes are an integral part of chemical engineering. The purity of a chemical product is among the principal factors influencing its value. Therefore, any method that can increase the ...
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        Contributions to an improved understanding of the flotation process 

        O'Connor, Cyril Thomas (Stellenbosch : University of Stellenbosch, 2005-12)
        This dissertation covers research carried out over the past 25 years in the area of flotation. Flotation is one of the most widely used processes in the beneficiation of minerals. The process is characterized by a number ...
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        Contributions to the mechanisms and simulation of mineral processing operations 

        Van Deventer, Jan Stephanus Jakob (Stellenbosch : Stellenbosch University, 1999-08)
        ENGLISH ABSTRACT: This collection of 101 published papers is based on 19 years of research, mainly in South Africa and recently also in Australia. The main thrust of this work was the simulation of mineral processing ...
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        Development of a bioprocess for the production of an aquaculture biological agent 

        Lalloo, Rajesh (Stellenbosch : University of Stellenbosch, 2010-12)
        ENGLISH ABSTRACT: Biological agents offer several opportunities to address the many challenges faced in intensive reticulated aquaculture. We therefore isolated and selected Bacillus spp. as potential biological agents, ...
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        The development of a reactor for the manufacture of zinc electrodes for a silver oxide-zinc battery 

        Holtzhausen, David Jacobus (Stellenbosch : Stellenbosch University, 2000-12)
        ENGLISH ABSTRACT: Silver/Zinc batteries are extensively used for applications where a power source with a high energy density is needed. A reactor was developed to manufacture the zinc electrodes for these batteries. ...
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        Development of crosslinkable, thermoplastic polyurethanes for cardiovascular prostheses 

        Theron, Jacobus Petrus (Stellenbosch : University of Stellenbosch, 2006-12)
        Existing thermoplastic polyurethanes (TPUs), used in the manufacturing of cardiovascular devices, still have unproven long-term biostability and may be prone to excessive plastic deformation when subjected to cyclic ...
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        Development of enzyme technology for modification of functional properties of xylan biopolymers 

        Chimphango, Annie Fabian Abel (Stellenbosch : University of Stellenbosch, 2010-12)
        ENGLISH ABSTRACT: There is growing interest to utilise xylan as speciality biopolymers in similar ways as high molecular weight polysaccharides such as starch and cellulose. The need to utilise xylan as alternative to ...
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        The economic feasibility of commercial biodiesel production in South Africa including analyses of important production and related parameters 

        Swart, Wessel Johannes (Stellenbosch : Stellenbosch University, 2012-03)
        ENGLISH ABSTRACT: In the developed and developing world, the use of lipids for the production of alkyl esters, also known as biodiesel, showed phenomenal growth during the ten year period up to the end of 2007. The main ...
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        Effect of iron endpoint during Peirce-Smith converting on matte mineralogy and downstream processing of base and platinum-group metals 

        Thyse, Elton Llyle (Stellenbosch : Stellenbosch University, 2014-12)
        ENGLISH ABSTRACT: The process route for the production of base and platinum-group metals from natural sulfide ores commonly requires the conversion of high-iron furnace matte into an iron-lean converter matte. This is ...

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