ix
Geometallurgy Program at Vargem Grande Iron Ore Complex, Brazil: Enhancing Process
Reconciliation and Plant Performance � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1558
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1572
Mineralogical Insights in the Recovery of Lepidolite from the Beauvoir (Li, Be, F) Rare Metals Granite:
LIBS Imaging as a Tool to Improve Beneficiation Routes � � � � � � � � � � � � � � � � � � � � � � � � � � � �1577
Process Evaluation of the Rio Tinto Kennecott Underground Expansion—A Case Study. ...........1587
Process Mineralogical Investigation into the Distribution of Silver at Gamsberg Zinc ..............1595
Extractive Metallurgy
Factors Affecting Mineral Leaching Processes
Multimodal Approach to Obtain Spatiotemporal Insights into Column Leaching Experiments
Through Surface-Level Analysis and 3D Imaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1605
Efficient Extraction of Vanadium from Vanadium-Bearing Shale by Ultrasound-Assisted
Oxidative Acid Leaching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1615
The Colour of Sphalerite, Pyrite and Chalcopyrite and What It Says About Their Leaching Behaviour. . . . . 1625
Biosustainable Mining: Unlocking Opportunities in Selective Gangue Removal,
Bio-Cementation and Carbon Sequestration Using Microbial Processes . . . . . . . . . . . . . . . . . . . . 1634
Crystal-Chemical and Analytical Insights into Phyllosilicate Decomposition in Acid Leaching. . . . . . . . . 1642
Metal Extraction from Secondary Sources
Enhanced Scandium Recovery from Red Mud Using Two-stage Acid Baking and Water Leaching Process � � � 1651
Combined Pyro and Hydrometallurgical Treatment of EAF Dust for Zinc and Iron Recycling � � � � � � � � � 1663
Paper Withdrawn � � � � � � � � � � � � � � �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1672
Investigation of Process Intensification Role in Solid–Liquid Separation Techniques for the
Recyclable Samarium-Cobalt Magnet. .....................................1685
Comparative Process Analysis for Extraction of Metallic Values from Indian Red Mud. . . . . . . . . . . . . 1695
Solution Separations
A Comparison of Cloud Point Extraction and Ion Exchange in Recovery of Pt, Pd, and Rh from Spent
Autocatalytic Converters Chloride Leach Solutions. ..............................1703
Crystallization of Vanadium Salts from Bayer Strip Liquor. . . . . . . . . . . . . . . . . . . . . . . . . . . 1714
Kinetics of Cobalt and Manganese Precipitation from Acid Mine Drainage Using Ozone . . . . . . . . . . . 1722
Solvent Extraction of Tantalum and Niobium from Oxalic Leachates: A Novel Technique of
Colombo-Tantalite Ores Processing. ......................................1733
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1741
Advances in Gold Extraction Methods
A Green Technology to Extract Gold from Refractory Ore: A Combination of Microencapsulation and
Thiosulfate Leaching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1749
Establishment of a Sustainable and Eco-Friendly Scheme for Recovery of Gold from
Double Refractory Ores .............................................1755
Mechanism of Ultrasound-Intensified Leaching and Its Enhancement on the Cyanidation Process of
Gold Refractory Tailings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1764
Geometallurgy Program at Vargem Grande Iron Ore Complex, Brazil: Enhancing Process
Reconciliation and Plant Performance � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1558
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1572
Mineralogical Insights in the Recovery of Lepidolite from the Beauvoir (Li, Be, F) Rare Metals Granite:
LIBS Imaging as a Tool to Improve Beneficiation Routes � � � � � � � � � � � � � � � � � � � � � � � � � � � �1577
Process Evaluation of the Rio Tinto Kennecott Underground Expansion—A Case Study. ...........1587
Process Mineralogical Investigation into the Distribution of Silver at Gamsberg Zinc ..............1595
Extractive Metallurgy
Factors Affecting Mineral Leaching Processes
Multimodal Approach to Obtain Spatiotemporal Insights into Column Leaching Experiments
Through Surface-Level Analysis and 3D Imaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1605
Efficient Extraction of Vanadium from Vanadium-Bearing Shale by Ultrasound-Assisted
Oxidative Acid Leaching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1615
The Colour of Sphalerite, Pyrite and Chalcopyrite and What It Says About Their Leaching Behaviour. . . . . 1625
Biosustainable Mining: Unlocking Opportunities in Selective Gangue Removal,
Bio-Cementation and Carbon Sequestration Using Microbial Processes . . . . . . . . . . . . . . . . . . . . 1634
Crystal-Chemical and Analytical Insights into Phyllosilicate Decomposition in Acid Leaching. . . . . . . . . 1642
Metal Extraction from Secondary Sources
Enhanced Scandium Recovery from Red Mud Using Two-stage Acid Baking and Water Leaching Process � � � 1651
Combined Pyro and Hydrometallurgical Treatment of EAF Dust for Zinc and Iron Recycling � � � � � � � � � 1663
Paper Withdrawn � � � � � � � � � � � � � � �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1672
Investigation of Process Intensification Role in Solid–Liquid Separation Techniques for the
Recyclable Samarium-Cobalt Magnet. .....................................1685
Comparative Process Analysis for Extraction of Metallic Values from Indian Red Mud. . . . . . . . . . . . . 1695
Solution Separations
A Comparison of Cloud Point Extraction and Ion Exchange in Recovery of Pt, Pd, and Rh from Spent
Autocatalytic Converters Chloride Leach Solutions. ..............................1703
Crystallization of Vanadium Salts from Bayer Strip Liquor. . . . . . . . . . . . . . . . . . . . . . . . . . . 1714
Kinetics of Cobalt and Manganese Precipitation from Acid Mine Drainage Using Ozone . . . . . . . . . . . 1722
Solvent Extraction of Tantalum and Niobium from Oxalic Leachates: A Novel Technique of
Colombo-Tantalite Ores Processing. ......................................1733
Paper Withdrawn � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1741
Advances in Gold Extraction Methods
A Green Technology to Extract Gold from Refractory Ore: A Combination of Microencapsulation and
Thiosulfate Leaching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1749
Establishment of a Sustainable and Eco-Friendly Scheme for Recovery of Gold from
Double Refractory Ores .............................................1755
Mechanism of Ultrasound-Intensified Leaching and Its Enhancement on the Cyanidation Process of
Gold Refractory Tailings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1764