The Mining Value Chain

Technologies and services developed by Mintek

1. Exploration } Geochemical sample analysis; } Mineral/ore characterisation; and } Certified Reference Materials. 2. Mining } ASSM technology; } ASSM training assistance; and, } Mining inputs economic studies. 5. Pyrometallurgy } Pelletisation and briquetting; } Pre-heating and pre-reduction; } DC arc process development and piloting; } Modelling and simulation; } Submerged-arc furnace (SAF) control strategy; } Fluidised bed and condenser technologies; } Refractories performance investigations; } High-temperature solid state and phase equilibrium investigations; and, } Ore, slag, matte and alloy characterisation. 3. Concentration a. Comminution/Flotation } Flowsheet design and optimisation, and piloting; } Plant audits; } Ultrafine milling; and, } Control and optimisation strategies. b. Physical separation } Bulk sample preparation; } Gravity, magnetic, electrostatic and dense-media separation; and, } Pneumatic jigging, and Mineral Density Separation. 6. Refining } Gold refining and value-added products/chemicals; } Pyrometallurgical refining of zinc (PWG to SHG),and off-grade ferro-alloy fines; and, } Titanium chlorination technology. 7. Value Addition } New industrial applications for gold: Catalysis; Biomedical; and Nanotechnology; } "Smart" materials and sensors; } PGM-based superalloys; } Low-nickel stainless alloys; } Jewellery fabrication; } Gold and platinum jewellery alloys; and, } Identification of downstream, metals-based, economic development opportunities. 2 4 a&b. Hydrometallurgy & Biotechnology } Atmospheric and pressure leaching; } Bioleaching (refractory gold and base metals); } Solvent extraction and ion exchange; } Electrowinning; } Process simulation; } Reagent development and evaluation; } Gold recovery by CIP/RIP; } Activated carbon regeneration; } Uranium processing; } Cyanide measurement, monitoring and auditing; and, } Leach circuit control. 1 2 3a 3b 4a 4b 5 6 7 8 mining value chain mintek annual report 2012 8. General } Ore characterisation, analytical and process mineralogy; } Certified Reference Materials; } Materials characterisation, testing and development; } Engineering design, manufacturing, installation and commissioning; } Project management services; and, } Regional minerals-based studies.

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