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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Characterization of Minerals, Metals and Materials
Presentation Title Effect of Pre-Treatment During Leaching of High Iron, Cobalt Containing Ore
Author(s) Yotamu Hara, Douglas Mazwi Musowoya, Golden Kaluba, Choolwe Muchindu, Haggai Simfukwe
On-Site Speaker (Planned) Yotamu Hara
Abstract Scope Nama Ore contains about 0.3% copper, 0.5% cobalt and 60% iron. Mineralogical examination using scanning electron microscopy (SEM) technique showed that copper and cobalt are chemically dissolved in rich iron matrix and in the heterogenite mineral phase. Direct leaching of this ore result in the following problems; (i) high acid consumption, (ii) high SMBS consumption and (iii) produces sulphur containing leach residue due to the presence of jerosite and, (iv) contaminated leach liquor due to presence of dissolved sodium sulphate. The three problems were overcome by pre-treatment of the ore via carbothermic reduction followed by leaching. The effects of pre-treatment temperature and pH of solution during leaching were determined. Under optimal conditions, recoveries of copper and cobalt of more than 90 %. The leach residue produced by this method is free from sulphur such that it can be used for production of pig iron, thereby lowering the waste disposal problem.
Proceedings Inclusion? Planned:


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A Bibliometric Analysis of the Strategy and Performance Measurement of the Polymer Matrix Nanomaterials Development Scenario Globally and the Participation of Brazil
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Accurate Determination of EBSD Pattern Centers with Applications in Resolving Pseudosymmetry
Activated Carbon Prepared from Bituminous Coal/poplar Blends by Direct KOH Activation
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Analysis and Detection of Road Surface Defects Using Multiple Sensing Methods
Analysis of ß´ (Cu4Ti) Precipitation during Isothermal Aging of a Cu-4wt.%Ti Alloy
Analysis of Nanoscale Iron Oxide Morphology
Analysis of The Effect of Marine Salinity in Durability of Red Ceramics Calcinated In Different Temperatures
Analysis of The Elasto-Plastic Behavior of Structural Steels Subjected to Cyclic Loads
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Auger Spectroscopy Analysis of Alpha Brass Fracture
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Characterization and Metallurgical Performance of Titangarnet
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Characterization by FTIR of Sphalerite Obtained in the Flotation without Collector in the Presence of Ferric Iron
Characterization of a Brazilian Kaolin and its Sorption Ability to Mineral Oils
Characterization of a Brazilian Kaolin for its Use in the Controlled Release of Isoniazid
Characterization of Bentonite Beneficiation Residue for Use in Structural Ceramics
Characterization of Brazilian Peat, Clay and Diatomite Blends for Use as Organic Compounds Adsorbents
Characterization of Clay Mix with Incorporation of Granite Waste to Produce Ceramic Tiles
Characterization of Composites formed by Low Density Polyethylene (LDPE) and Natural Bamboo Fibers, by Differential Exploration Calorimetry (DSC), Tensile Strength, and Hardness
Characterization of Corrosion Product Deposits on Fuel Cladding Surface Under Various Heat Flux Conditions
Characterization of Hydrogels for Release of Cosmetic Assets Containing Nanoemulsions Of Mandellic Acid in Different Concentrations of Pseudoboehmite
Characterization of Iron Ore Sinter Samples by Automated SEM
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Charpy Impact Test Os Epoxy Composites Reinforced with Arapaima Scales
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Composition Determination of Atomic Columns in Misfit-layered Cobalt Oxide by Bloch-wave-based HAADF-STEM Image Simulation
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Connecting Dynamic Strain Aging to Deformation Processing in Magnesium-calcium-based Alloys
Correlative Microscopy Studies of Dislocations in a Hot-roll AZ31 Mg Alloy
Crystallization Kinetics and Mechanical Porperties of Zr-Cu-Al-Sm Metallic Glasses and Their Nanocomposites
Deformation Behavior of Hexagonal Metals Investigated by the In-situ Acoustic Emission and Digital Image Correlation Techniques
Deformation Behavior of Mg-Al-Mn Sheets
Determinations of Trace and Ultra-Trace Level Contaminants in Advanced Materials Using Electrothermal Vaporization ICP–OES
Determining Bulk Elastic Properties of Transversely Isotropic Aluminum Using Resonant Ultrasound Spectroscopy
Development and Characterization of a Luminescent Coating for Asphalt Pavements
Development and Characterization of CoCrCuFeNi(TiAl) High Entropy Alloys
Development of Non-equiatomic High Entropy Alloys for High Temperature Applications
Dynamic Mechanical Behavior and Microstructure Evolution of Quinary Cu-Mn-Ni-Zn-Al Alloys
EBSD Characterization of Aluminum Magnesium Alloys
Effect of Acidic Attack on the Structural Characteristics of Sepiolite from Nevada, USA
Effect of Alloying Elements on Age Hardening and Coarsening of Beta Precipitates in Isothermally Aged Fe-Ni-Al Based Alloys
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Effect of Different Ti-Sn Intermetallic Compounds Addition on Synthesis of Ti2SnC by Self-propagating High-temperature Combustion Technique
Effect of Dual-phase Stabilization via Varying Ti/Nb Ratios on the Pitting Behavior of AISI 347 Welds
Effect of Heat Treatment on Impact Toughness of Electron Beam Welded AISI 316 Stainless Steel
Effect of Martensite Reorientation Deformation on the Evolutions of Crystallographic Textures and Lattice Strains of NiTi Wire
Effect of Microstructure on Cleavage Fracture of Thick Section Quenched and Tempered S690 High Strength Steel
Effect of Na2CO3 and/or K2CO3 Addition on the Thermal Stability of Solar Salt and Hitec
Effect of Plastic Deformation on the Dynamic Behavior of Lean Duplex Stainless Steel 2101
Effect of Pre-Treatment During Leaching of High Iron, Cobalt Containing Ore
Effects of Cooling Rate and Ti Addition on Microstructure, Mechanical Properties and Corrosion Characteristics of Laser Deposited Ti-6Al-4V Alloy
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Epsilon to Tau Phase Transformation in MnAl Alloys
Evaluation of Biodiesel Obtained from Waste Cooking Oil Purified with A Modified Clay
Evaluation of Energy Absorption of the Epoxy Matrix Composite Reinforced with Tucum Fiber Through Izod Impact Test and Ballistic Impact of Ammunition .22
Evaluation of Shock Impedance of Multilayered Armor Systems with Epoxy Composite Reinforced with Fique Fabric
Evaluation of Structural Differences Among Modified Brazilian Clay by Ammonium Quaternary Salts
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Evaluation of The Impedance of Shock of Multilayer Armoring with Epoxy Matrix Composite Reinforced with Fibers of Mallow and Hybrid Fabric of Jute and Mallow
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Experimental Research on Pellet Production with Boron-containing Concentrate
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Mechanical Behavior of Thermoplastic Filaments Fabricated with the Fused Modeling Deposition Technique
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Thermal Behavior of Epoxydic Matrix Composites Reinforced with Graphene Oxide Functionalized Curauá Fibers
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Thermal Characterization of Polymer Composites Reinforced with Sugarcane Bagasse Fiber
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