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Extraction of Copper from Pregnant Leach Solution (PLS) and Reduction of Crud Formation Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-14 Tatyana Chepushtanova, Meirbek Yessirkegenov, Kulzira Mamyrbayeva, Ata Akcil, Tulkinzhon Gaipov
Presented universal recommendations for the reduction of crud formation, reviewing various aspects affecting the loss of diluent and extractant due to the formation of a third phase (crud), encount...
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Effect of Chlorinating Agents on Lithium Recovery and Product Purity from Lithium-ion Battery (LIB) Recycling Slags via Chlorination Roasting Process Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-14 Jungho Heo, Peter Tom Jones, Muxing Guo, Bart Blanpain
With the rapid growth of the electric vehicle (EV) and energy storage system (ESS) markets, the demand for lithium-ion batteries (LIBs) has skyrocketed, highlighting the importance of securing a su...
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Glutamate Leaching of Spent Lithium-Ion Battery Cathode in Weak Acidic-Neutral Condition: New Insight on Kinetics and Dissolution Mechanism Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-08 Erik Prasetyo, Widya Aryani Muryanta, Muhammad Amin, Sudibyo, Muhammad Al Muttaqii, Fathan Bahfie, Anton Sapto Handoko
Organic acid leaching receives less attention than inorganic acids for Li-ion battery recycling process at the industrial scale due to the high consumption rate of the acids as leaching reagents. T...
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Separation of Osmium and Ruthenium Metals by Selective Dissolution with Two Phase System Consisted of Sulfuric Acid, Sodium Chlorate, and Tributyl Phosphate Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-08 Thi Nhan Hau Nguyen, Viet Nhan Hoa Nguyen, Man Seung Lee
In general, separating osmium and ruthenium metals via hydrometallurgical methods poses significant challenges. This study presents a novel approach to separate osmium from a metallic mixture with ...
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Low-Grade Chromite Beneficiation Through Spiral Concentration: A Review from the Turkish Market Perspective Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-02 Damla Izerdem
Chromite production is required for numerous industrial applications worldwide, with Turkey emerging as a major supplier of chromite ore. The decreasing grade of chromium-ore bodies and difficultie...
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Overview of Fine Coal Filtration. Part I: Evaluation of Filtration Performance and Filter Cake Structure Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-04-01 Feng Zhang, Ghislain Bournival, Seher Ata
This review underscores the fundamental aspects of filtration, focusing on the key factors influencing filtration performance and filter cake structure. It highlights the critical parameters for ev...
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Limitations Associated with Proximate Analysis-Based Gross Calorific Value Modeling for Coals Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-03-31 P. Kumar, M. H. Tyeb, S. Mishra, S. Chakravarty, A. K. Majumder
This study aims at investigating the limitations associated with proximate analysis-based gross calorific value (GCV) modeling for coals. Toward this, a dataset comprising proximate analysis and GC...
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Exploring Bioflocculation: A Novel Approach for Iron Recovery From Red Mud – a Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-03-18 Erian Jeremy, Edy Sanwani, Siti Khodijah Chaerun, Mohammad Zaki Mubarok
Red mud is a residual substance generated as a waste in the refining of bauxite to produce alumina. The handling and disposal of red mud present significant challenges for the alumina industry due ...
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Understanding the Effects of Hydrophobic Particle Densities on Bubble-Liquid Motion and Gangue Entrainment in the RFC’s Reverse Fluidized Bed Through CFD Simulation Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-03-17 Jiarui Chen, Yongjun Peng
The Reflux Flotation Cell (RFC) developed recently provides great potential in solving the emerging challenges, in terms of low plant capacity and low metal production, faced by the resources indus...
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Lateritic Nickel and Cobalt Recovery Routes: Strategic Technologies Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-03-12 Gabriela Costa Caetano, Indianara Conceição Ostroski, Maria Angélica Simões Dornellas de Barros
The global movement toward the pillars of a circular economy has restructured the entire chain of the primary production sector. Together, increases in the consumption of critical metals and in the...
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Effect of Sodium Hexametaphosphate on Flotation of Quartz and Hematite with Starch/Etheramine in the Presence of Ca and Mg Ions Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-03-10 D. G. da Cruz, M. O. Alves, R. M. Fernandes Lima
The aim of this study was to evaluate the effect of sodium hexametaphosphate (SHMP), a complexing reagent for Ca and Mg ions, on iron ore reverse cationic flotation. Quartz and hematite samples con...
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Oxidative Dissolution Mechanisms of Pyrite {100} and {210} Faces: An Atomic Study Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-20 Wanqing Li, Yubiao Li, Ying Peng, Xiaoyong Wu, Zhenlun Wei, Zhonghong Wang
The oxidative dissolution of pyrite discharging into tailing pond as gangue minerals attracts intensive interesting as this forms the main source of acid mine drainage. However, the related dissolu...
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Analysis of the Possibility of Copper Recovery from Flotation Stratiform Copper Ore Tailings Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-11 Alicja Bakalarz, Magdalena Duchnowska
Flotation tailings produced at three concentrator plants operated by KGHM Polska Miedz SA (SW Poland) are all continuously deposited in the Zelazny Most Tailings Storage Facility. The aim of this s...
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Comparison of Approaches to Predict Grinding in An Industrial Rod Mill Operating at Low Fillings Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-08 Thales S.M. Gama, Rodrigo M. de Carvalho, Luís Marcelo Tavares
Several approaches have been proposed over the years that may be used to predict the performance of industrial rod mills. Unfortunately, studies that allow comparing the accuracy in their predictio...
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Reuse of Iron Ore Tailings by Magnetic Separation Using Functionalized Magnetic Particles Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-08 Rafaela Fernanda Passos Carvalhal, Tatiane Christina Ferreira Silva, Guilherme José Ramos Oliveira, Daniela Gomes Horta
This study aimed at the investigation of the effect of colloidal magnetic particles on the magnetic separation of iron ore tailings (IOT). For this, the synthesis and characterization of bare iron,...
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Effect of Calcination Atmosphere on the Acid Leaching Recovery of Rare Earth Elements in Coal-Byproducts Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-01 Tushar Gupta, Ahmad Nawab, Rick Honaker
Thermal treatment of coal byproducts has been shown to improve leaching characteristics of rare earth elements (REEs) in bituminous coal sources due to its influence on the associated minerals. Thi...
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Influence of Two-Stage Dosing on Flocculation and Settlement of Kaolinite and Associated Mechanisms Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-04 Huaizhi Shao, Ying Wang, Yan Liu, Ahmed Sobhy, Yijiang Li, Xiaoming Wang, Dongping Tao
In mineral processing operations, it is essential to effectively remove the fine particles in slime and tailings slurry with appropriate methods. In this study, a unique two-stage flocculation sche...
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Use of Additives as Internal Heat Sources in Hematite Ore Pellets- A Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-02-04 Ammasi Ayyandurai, Jagannath Pal
Magnetite ore pellets oxidize to hematite during their induration in a mild oxidizing atmosphere of strand which produces internal heat in the pellet and enhances diffusion bonding. Hematite ore pe...
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Evaluation of Compressive Strength of Manganese Oxidized Ore Briquettes: Effects of Compaction Pressure, Curing Time, and Percentage of Binder Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-25 Letícia Maria de Melo Silva Cheloni, Tiany Guedes Cota, Érica Linhares Reis
Agglomeration is a common process to safely recycle wastes from the mining and metallurgical sectors. In this process, the mineralogical and chemical characteristics of manganese ores exert a signi...
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A Review on the Recovery of Lithium and Iron from Spent Lithium Iron Phosphate Batteries Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-21 Chen Jing, Thanh Tuan Tran, Man Seung Lee
This review mainly introduces the recycling technology of lithium and iron from spent lithium iron phosphate (LiFePO4) batteries based on hydrometallurgy. Most of the hydrometallurgical processes c...
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Understanding the Role of Calcium Lignosulphonate in Flotation Separation of Chalcopyrite from Talc Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-21 Guangsheng Zeng, Wei Chen, Liu Yang, Sheng Liu, Guangyi Liu
Talc is a naturally hydrophobic mineral. Its separation from sulfide minerals is a tough issue in froth flotation. In this study, calcium lignosulphonate (CLS) was introduced as a talc depressant d...
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Electrochemical Behavior of the Oxidative Dissolution of Gold Catalyzed by Lead Ion in Thiourea Solution Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-18 Ke Li, Qian Li, Yan Zhang, Yongbin Yang, Tao Jiang
Thiourea is a low-toxicity gold lixiviant that has promise to substitute highly toxic cyanide for gold extraction. The electrochemical behavior of lead ion in the dissolution of gold in thiourea so...
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Ammoniacal Leaching for the Extraction of Valuable Metals from Secondary Resources: A Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-02 Alex Kwasi Saim
There is a growing interest in extracting valuable metals from secondary resources due to the depletion of primary metal resources and environmental concerns associated with solid wastes. As a resu...
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Technological Advancements in Cokemaking Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2024-01-02 Ashish Agrawal
Coke is the only raw material that descends into the lower part of the blast furnace (BF) in its original form; therefore, it is of utmost importance to improve the coke properties for its use in B...
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Novel Additives to Improve Sintering Characteristics of Indian Chrome Ore Pellets Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-12-27 Veerendra Singh, Nilamadhaba Sahu, Biswajit Saha
Refractoriness of chrome minerals imposes challenges during chrome ore pelletization process. This study is conducted to find suitable additives to improve chrome ore pelletization and pellet prope...
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Characterization of Gold in Complex Historical Refractory Tailings for Enhanced Process Optimization Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-12-28 Steve Jason Chingwaru, Margreth Tadie, Bjorn Von der Heyden
Historical gold tailings show promise as a secondary resource amid declining primary deposits, yet conventional cyanidation falls short, resulting in recoveries below 90%. An essential pre-treatmen...
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Application Potential of Cavex® Double Effect Hydrocyclone for the Classification of Mine Tailings – A Pilot Scale Study Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-12-27 Chandranath Banerjee, Eduardo Cepeda, Debra Switzer, Steven Hunter
The Cavex® Double Effect (DE) hydrocyclone is a double-efficiency classification unit, working as a single stage without the need for additional intermediate equipment such as pumping. The aim of t...
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Innovative Recovery of Vanadium from Vanadium–Chromium-Reducing Residue by Ultrasonic-Assisted Alkaline Leaching Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-12-25 Hao Peng, Qian Gong, Xingxing Wang, Guixuan Jin, Jinlei Huang, Xinyi Huang, Bing Li, Huisheng Huang, Wenbing Shi, Yinhe Lin
Vanadium–chromium-reducing residue (VCRR) was generated using a sodium-roasting-leaching-precipitation process for vanadium recovery. The retained vanadium and chromium could be utilized for an imp...
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Use of Lithium Manganese Oxide Ion Sieves in Fixed Bed Columns for Lithium Recovery: A Mini-Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-12-21 Ayşegül Yücel, Abdulkerim Yörükoğlu
The surging demand for lithium, driven by the growing interest in electric vehicles and renewable energy storage, has underscored the need for sustainable lithium sources. However, lithium’s limite...
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Exploring the Challenges and Advances in Concentrating Ultrafine Iron Ore Particles with a Focus on Goethite Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-11-20 M. L. S. Marques, L. O. Filippov, L. A. Silva, A. M. Pereira, L. M. Prates, J. C. Correia, J. D. Souza, I. V. Filippova
The processing of ultrafine particles is being increasingly studied for better use of mineral resources and especially reduction of tailings generation. Traditional approaches and recent advancemen...
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Carbothermic Reduction of Copper Slag in the Presence of Borax Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-11-20 Tina Chanda Phiri, Pritam Singh, Yotamu S. Hara, John Siame, Aleksandar N. Nikoloski
The low temperature carbothermic reduction of copper slag with charcoal in the presence of borax followed by leaching with H2SO4 was investigated in this study. The copper slag sample was character...
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Process Development for the Recovery of Manganese Dioxide, Cobalt(II) Sulfate, and Nickel(II) Sulfate Powders from the Reduction Smelted Alloys of Spent Lithium-Ion Batteries Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-11-20 Thi Thu Huong Nguyen, Man Seung Lee
The smelting reduction of spent lithium-ion batteries at high temperature results in metallic alloys containing cobalt, copper, nickel, and manganese, in addition to aluminum and lithium oxides. A ...
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Evaluate the Depression of High-Concentration Pyrite in Copper Flotation by High-Chromium Grinding Media Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-11-15 Richard Li Jie Lee, Yongjun Peng
The copper (Cu) concentrators have to process high-pyrite-content ores due to rapid depletion of high-grade ores and a high demand for Cu by clean energy technologies. However, depressing high-conc...
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Process Mineralogy Assisted Iso-Floatability of Copper-Zinc-Lead Minerals from Iron Tailings at Marcona Iron Ore Mine Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-10-24 Wanqing Li, Yubiao Li, Xu Yang, Zhonghong Wang, Wen Chen
Process mineralogy was applied to design the process circuit of magnetite tailings containing copper, lead and zinc from Marcona Iron Ore Mine. Mineralogy parameters, such as mineral composition, o...
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Exploring Dextrin as an Eco-Friendly Depressant for Selective Flotation Separation of Scheelite and Calcite Minerals Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-10-22 Wei Yao, Yue Wu, Maolin Li, Rui Cui, Jiaying Li, Zhehui Yang, Yingying Fu, Zhiqin Pan, Daowei Wang, Ming Zhang
Depressants are essential additives in the flotation separation of scheelite-calcite minerals. However, traditional inorganic depressants such as sodium silicate have the disadvantages of high dosa...
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Nickel Laterite Beneficiation and Potential for Upgrading Using High Temperature Methods: A Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-10-08 Lauren Zappala, Robbie McDonald, Mark I. Pownceby
Australia has large reserves of limonite and clay-based laterites that are currently underutilized. This review summarizes the latest nickel laterite upgrading studies reported in the literature wh...
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Mixed Anionic/Cationic Collectors for Pyrite Flotation: An Experimental and Theoretical Study Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-10-01 Kourosh Javdantabar, Mahdi Gharabaghi, Hadi Abdollahi, Amir Mabudi, Mohammadamin Ojaghi Shirmard
The presence of pyrite causes harmful environmental and metallurgical effects during the pyrometallurgical processes of metals. Hence, various processing methods should minimize the amount in the f...
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Effects of Pure and Modified Nanobubbles on the Reverse Flotation of Kaolinite from Hematite Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-25 Huaizhi Shao, Panwu Li, Ahmed Sobhy, Xiangyang Ling, Dongping Tao, Ming Zhang
The reverse flotation of kaolinite from hematite suffers from the low kaolinite recovery at neutral or alkaline pH. In this study, the flotation separation of hematite and kaolinite was carried out...
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Liberation of Valuable Materials from Spent Cylindrical Lithium-Ion Batteries via Semi-Autogenous Attrition Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-26 Dessy Amalia, Pritam Singh, Wensheng Zhang, Aleksandar N. Nikoloski
Liberation of cathode materials (Co, Ni, Mn, Li) from spent lithium-ion batteries is essential to creating an acceptable leach feed in hydrometallurgical battery recycling. This study investigated ...
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A Review on the Metallurgical Recycling Process of Vanadium from Secondary Resources Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-14 Kurniawan Kurniawan, Sookyung Kim, Mooki Bae, Hyunju Lee, Jae-chun Lee
ABSTRACT Vanadium is a critical metal that has been widely used in a broad variety of applications with almost no metal substitutes. However, the limited availability of its (vanadium) primary resources has raised concerns of supply security. In view of the criticality, recycling vanadium from secondary resources has been identified as a vital supply alternative. This article thus presents a comprehensive
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Separation of Au(III) and Pd(II) from the Etching Solutions of Printed Circuit Boards by Chemical Reduction and Oxidative Precipitation Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-10 Thi Nhan Hau Nguyen, Si Joeng Song, Man Seung Lee
ABSTRACT Printed circuit boards contain gold and palladium. The first step in the recovery of gold and palladium from PCBs is to dissolve them by etching. In this work, a process was developed to recover gold metal and palladium compound from the etching solution containing Al(III), Cu(II), Fe(III), Ni(II), Sn(II) and Zn(II). Gold metal powders with 99.3% purity were recovered from the solutions by
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A Review on Recovery of Terbium from Primary and Secondary Resources: Current State and Future Perspective Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-06 Manish Kumar Sinha, Himanshu Tanvar, Sushanta Kumar Sahu, Brajendra Mishra
ABSTRACT Rare earth elements (REEs) are essential for high-tech and low-carbon economies. Achieving global net-zero emissions by 2050 would require a significant increase in mineral input, including 3–7 times more REEs. At present, there are no direct high-grade ores of heavy REs like terbium. Bastnasite, monazite, and xenotime are the primary sources of terbium, while southern Chinese ion-adsorption
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Developing of a Counter-Current Copper Leaching Process Using Response Surface Methodology Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-09-05 Hasan Movahhedi, Ashkan Mohammad Beygian, Eskandar Keshavarz Alamdari, Davood Moradkhani
ABSTRACT Due to the scarcity of water in many parts of the world, wastewater generated by hydrometallurgical processes has been recognized as a valuable resource for recovery or reuse. A method for reusing hydrometallurgical raffinate in the leaching of low-grade oxide copper ore in a counter-current leaching process was evaluated. In the first stage of the investigation, the influential factors on
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Arsenic Vapor Condensation in the Vacuum-Thermal Dearsenation Process of Gold Concentrate Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-23 Sergey A. Trebukhov, Valeriy N. Volodin, Alina V. Nitsenko, Xeniya A. Linnik, Batikha A. Kassenova
ABSTRACT Our study investigates the condensation mechanism of vapors containing arsenic, with a particular focus on the conditions required for the creation of melted and dispersed sulfide condensate that have practical implications in technological processes. Our findings indicate that at vapor jet efflux under low pressure, ultrafine particles generates in the condensation space at first. Then they
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A State-Of-The-Art Review on Materials Production and Processing Using Solar Energy Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-08 Daniel Fernández-González
ABSTRACT Solar energy is a renewable energy source that is mainly used in the production of electricity. However, research is nowadays conducted to investigate solar energy use beyond electricity production, i.e. in heating fluids for processes or directly synthesize metals or compounds. This last application emerges from the high temperatures that can be reached when solar energy is suitably concentrated
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The Production of Rare Earth based Magnesium and Aluminium Alloys – A Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-08 Ahmad Rizky Rhamdani, Muhammad Akbar Rhamdhani, Geoffrey Brooks, Mark I. Pownceby, Yudi Nugraha Thaha, Trevor B. Abbott, John Grandfield, Chris Hartley
ABSTRACT Rare Earth (RE) elements can be used as alloying agents to improve properties such as strength, conductivity, and corrosion resistance of Al or Mg light metal (LM) alloys. The current route for producing Al/Mg-RE alloys is by melting Al or Mg with the required RE metal. However, the high price of RE metals makes the cost of the alloys expensive and, as a result limits, their application. Extensive
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The Leaching of Palladium from Polymetallic Oxide Ores using Alkaline Ferricyanide Solutions Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-06 Huan Li, Elsayed Oraby, G. A. Bezuidenhout, Jacques Eksteen
ABSTRACT The present study investigated a novel method of alkaline ferricyanide leaching to extract palladium (Pd) from a Western Australian disseminated platinum-group metal (PGM) oxide ore that bears Ni and Cu. While cyanide has been used to leach Pd, it is well known for its toxicity and large consumption in the presence of base metals. A more benign alternative, in the form of alkaline ferricyanide
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Mineral Liberation Properties of Iron Ores with Different Grain Sizes by Particle-Bed Breakage and Traditional Grinding Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-02 Keqiang Chen, Wanzhong Yin, Yazhuo Ding, Yang Yang, Weiran Zuo, Bin Yang
ABSTRACT More efficient liberation of valuable minerals from gangue would bring enormous benefits to the comminution process and the downstream beneficiation processes. However, whether particle-bed breakage can improve liberation compared with traditional grinding has been controversial. In this study, three types of iron ores with 3–0.425 mm were comminuted to −0.425 mm via the piston-die compression
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Research Progress in Flotation Collectors for Lepidolite Mineral: An Overview Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-02 Kemu Liu
ABSTRACT With the blowout development of new energy automobiles, greater attention is being paid to lithium-ion power batteries. The demand for lithium is rapidly increasing. The separation and enrichment of lepidolite, an important mineral for extraction of lithium, through froth flotation, have been widely investigated. This paper summarizes the latest research progress on lepidolite flotation emphasizing
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Asymptotic Water Split Behavior of Hydrocyclones; A Unique Design Characterization Methodology Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-02 M. H. Tyeb, S. Mishra, A. K. Majumder
ABSTRACT An attempt has been made in this work to experimentally investigate the water split behavior of hydrocyclones for extracting the relevant features that are characteristic of hydrocyclone design conditions only. The experimental findings demonstrated that at high feed flowrates, the water split of the hydrocyclone attains a consistent value, referred to here as the stable split value, because
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Flotation Separation of Galena from Pyrite in a Low-Alkalinity Media Using Welan Gum as a New Depressant Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-08-01 Shuai Ning, Bin Pei, YinYu Ma, Jialei Li, Ruizeng Liu, Dianwen Liu
ABSTRACT This study describes the first, use of eco-friendly welan gum as a new depressant in galena-pyrite flotation separation. The depression mechanism were examined using micro-flotation and various characterization techniques. The selective depression performance of welan gum on pyrite was found to effectively enhance the galena/pyrite flotation separation index. Compared with the addition of
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Processing of Refractory Gold-Bearing Sulfide Concentrates: A Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-07-23 Bauyrzhan Surimbayev, Ata Akcil, Lyudmila Bolotova, Serikbol Shalgymbayev, Aliya Baikonurova
ABSTRACT This review presents an updated data on various technologies for the processing of refractory gold-bearing sulfide concentrates. It primarily focuses on the hydrometallurgical treatment for sulfide mineral oxidation and gold extraction, including the use of bacteria, pressure oxidation, ultrafine grinding, and the Albion ProcessTM. The main operating plants that use hydrometallurgical technologies
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A Review on Floc-Flotation of Fine Particles: Technological Aspects, Mechanisms, and Future Perspectives Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-07-17 Kaveh Asgari, Hamid Khoshdast, Fardis Nakhaei, Mohammad Reza Garmsiri, Qingqing Huang, Ahmad Hassanzadeh
ABSTRACT Flotation process is the most common beneficiation method of almost all types of minerals. The desirable result of the process is dependent on various factors. One of the most effective parameters in this regard is the particle size. Generally, acceptable results can be obtained by adjusting particle size in an optimum and specific range, and flotation of coarser or finer than this range is
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A Simple Process for the Recovery of Rare Earth Elements and Iron from Sulfuric Acid Leaching Solution of NdFeB Magnets by Double Salt Precipitation Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-07-06 Thi Thu Huong Nguyen, Man Seung Lee
ABSTRACT Recovery of rare earth elements (REEs) from spent NdFeB magnets is important to meet the increasing demand for magnets and high-tech applications. In general, pretreatments of spent NdFeB magnets are necessary to recover REEs such as Nd, Pr, and Ce from the magnets. In this work, a simple process was proposed to recover REEs without any pretreatment of NdFeB magnets by using precipitation
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Preparation of Reduced Iron Powder from High-Phosphorus Iron Ore: A Pilot-Scale Rotary-Kiln Investigation Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-07-03 Jinxiang You, Shuhui Zhang, Shichao Wu, Li Yan, Wusheng Huang, Mingjun Rao
ABSTRACT Dephosphorization is essential for utilizing high-phosphorus iron ore (HPIO), and this work prepared reduced iron powder via reductive roasting in a semi-industrial rotary kiln follower by magnetic separation. Under the conditions, reductive temperature of 1150°C, duration time of 60 min, mass ratio of briquettes to pea coal of 1:1, the reduced iron powder with an iron grade of 93.21% and
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Dissolution of Ruthenium Metal by Combined Oxidizing and Reducing Action of Sodium Hypochlorite and HCl Solution Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-06-19 Viet Nhan Hoa Nguyen, Si Jeong Song, Man Seung Lee
ABSTRACT Ruthenium (Ru) is an important platinum group metal for the manufacture of advanced materials owing to its chemical and physical properties. Generally, it is extremely difficult to dissolve Ru metal by using acidic solutions containing strong oxidizing agents. Therefore, pretreatments like alkali fusion roasting at high temperature are practiced to render the Ru metal soluble in aqueous solution
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Modeling the Liberation of Iron Ores with Different Grain Sizes Considering Intergranular Fracture Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-06-19 Keqiang Chen, Wanzhong Yin, Weiran Zuo, Yafeng Fu
ABSTRACT Predicting the liberation distribution of minerals in comminuted ore particles is one of the fundamental problems in mineral processing. However, there is still no widely accepted liberation model due to the complexity of the mineral fracture mechanism. In this study, the shape constants of the cumulative beta distribution were further optimized based on the investigation of the liberation
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Improve Bastnaesite Flotation via Synergistic Effect of Octyl Hydroxamic Acid and Octyl Phenol Ethoxylated Surfactants Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-06-11 Xu Wu, Yiwen Hu, Sultan Ahmed Khoso, Zhao Cao
ABSTRACT The large loss of fine-grained bastnaesite has become an increasingly important issue restricting the development of rare earth ore flotation industry. To solve this issue, a new collector mixture that combines octyl hydroxamic acid (OHA) and octyl phenol ethoxylation (OP10, the number of ethylene oxide groups is 10) is proposed to be used to improve the flotation of bastnaesite. The flotation
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Challenges and Future in Ni Laterite Ore Enrichment: A Critical Review Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-05-24 Levie Mweene, Allan Gomez-Flores, Hee-Eun Jeong, Sadia Ilyas, Hyunjung Kim
ABSTRACT Nickel is a strategic element whose production and consumption in over a decade has increased to over 39% and 71%, respectively. Generally, due to their complex mineralogy, laterites, the current attractive source of Ni, are subjected to hydrometallurgy and pyrometallurgy techniques without enrichment in order to extract Ni. Therefore, numerous investigations in vogue on laterite enrichment
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Feldspar Purification from Iron Impurities: A Review of Treatment Methods Miner. Process. Extr. Metall. Rev. (IF 5.0) Pub Date : 2023-05-24 Fatima Baila, Tariq Labbilta, Yassine Darmane
ABSTRACT A large amount of waste is generated during the processing of granite, resulting in negative impacts on the environment. As part of an environmental commitment, granite waste is currently recovered to obtain feldspar minerals, one of the main raw material for ceramic products. Nevertheless, the requirement of the ceramic industry for feldspar ore with low iron impurities complicates their