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Lithium sorption by ion exchange Miner. Eng. (IF 4.9) Pub Date : 2024-06-25 Lídia Cunha, Joana Monteiro, Aurora Futuro, António Fiúza
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The effects of the separator structures and magnetic roller arrangements on eddy current separation Miner. Eng. (IF 4.9) Pub Date : 2024-06-23 Zhicheng Shan, Yi Yuan, Zongqiang Zhou, Lei Feng, Bin Cao, Guojian Li, Qiang Wang
The eddy current separator is the key equipment used for the separation and enrichment of non-ferrous metals from the solid waste. The customization and universality requirements for eddy current separators have been improved with the increasingly strict environmental protection requirements in various industries and the pursuit of higher economic benefits by enterprises. The low separation efficiency
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New insights on consolidation behavior of Fe2O3 in the Fe3O4-CaO-MgO-SiO2 system for fluxed pellet production: Phase transformations and morphology evolution Miner. Eng. (IF 4.9) Pub Date : 2024-06-22 Shurong Shi, Lihua Gao, Junhong Zhang, Zhijun He
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Effect of low dissolved oxygen on chalcopyrite-molybdenite separation flotation at high altitude areas Miner. Eng. (IF 4.9) Pub Date : 2024-06-21 Yan Miao, Hong Zheng, Guangke Ye, Teng Zhou, Guofan Zhang
Given the scarcity of conventional low-altitude high-quality copper–molybdenum resources, people gradually explore mining opportunities in elevated regions. Molybdenite in high-altitude ores is initially recovered with chalcopyrite, which is then separated and floated to produce refined molybdenite. There are few studies on the influence of the sulfide ore flotation process under high-altitude and
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Synergistic performance of magnetic ion-imprinted nanocomposite for selective separation of gadolinium Miner. Eng. (IF 4.9) Pub Date : 2024-06-21 Youssef El Ouardi, Nafea Achalhi, Svetlana Butylina, Shiyu Geng, Egor Fadeev, Sami Virolainen
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The effects of water content on mineralogical and drainage quality dynamics in weathering mine waste rock Miner. Eng. (IF 4.9) Pub Date : 2024-06-20 Nima Saberi, Bas Vriens
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Mineral phase reconstruction of Bayan Obo tailings by smelting reduction and crystallization control of molten slag containing niobium, rare earth and titanium Miner. Eng. (IF 4.9) Pub Date : 2024-06-20 Bo Zhang, Jiafan Liu, Xingli Jia, Tong Xing, Chengjun Liu, Maofa Jiang
Niobium (Nb), rare earth elements (REEs), and titanium (Ti) in Bayan Obo tailings are dispersed across various fine mineral phases. To efficiently recover these valuable elements from Bayan Obo tailings, a novel processing method of complex multimetallic-associated ores, utilizing smelting reduction and crystallization control, is proposed and investigated in this study. First, by observing the crystallization
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Online separation of critical rare earth elements from end-of-life permanent magnets using micro polymer inclusion beads (µPIBs) Miner. Eng. (IF 4.9) Pub Date : 2024-06-20 Charles F. Croft, M. Inês G.S. Almeida, Spas D. Kolev
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Investigation of Seasonal Variations in Glencore’s Kidd Creek Cu-Zn ore flotation Miner. Eng. (IF 4.9) Pub Date : 2024-06-20 Patrick Rankin, Antonio Di Feo, Sadan Kelebek, Baian Almusned, Brian Hart
Water management in mining and mineral processing operations is becoming increasingly important in the 21st century due to water scarcity concerns and as part of a greater push for sustainability. The aim of this study is to investigate the impacts of seasonal water quality in the Glencore’s Kidd Creek copper-zinc concentrator in Timmins, Ontario, Canada.
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New insights of selective rupture of synthetic sample under high voltage pulse discharge: A numerical simulation of electric field distribution Miner. Eng. (IF 4.9) Pub Date : 2024-06-19 Yonghong Qin, Ziyu Yang, Yuexin Han, Peng Gao, Yanjun Li, Ningyu Zhang, Jianming Gao
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Fractal relationship between energy and particle size during multistage fragmentation of magnetite ore Miner. Eng. (IF 4.9) Pub Date : 2024-06-19 Ze Gan, Feng Gao, Deqing Gan, Yunpeng Zhang
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Milling efficiency and wear behavior of silicon grinding media in autogenous stirred media milling Miner. Eng. (IF 4.9) Pub Date : 2024-06-15 Marcel Filipe Möller, Christoph Peppersack, Arno Kwade
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A new strategy for clean utilization of zinc oxide dust: Preparation of spinel zinc ferrite by solid phase reaction and its catalytic degradation of organic wastewater Miner. Eng. (IF 4.9) Pub Date : 2024-06-13 Yukun Huang, Xiaolei Chen, Yangyang Fan, Chongqing Wang, Yijun Cao, Weijun Peng, Biao Fu, Jiang Liu, Mingzhen Hu
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Control of conventional continuous thickeners via proximal policy optimization Miner. Eng. (IF 4.9) Pub Date : 2024-06-13 Jonathan R. Silva, Thiago A.M. Euzébio, Márcio F. Braga
With the rise of historical data availability and increased computational power, reinforcement learning (RL) has become more prominent. It has shown the ability to outperform human knowledge in certain areas. RL is particularly valuable in control applications due to its generalization, self-adjustment, and independence from a mathematical model. Despite its potential, there are limited studies and
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Comparison of chemical and biological leaching methods with the effect of chloride on the recovery of nickel, cobalt and copper from a pentlandite-pyrrhotite concentrate Miner. Eng. (IF 4.9) Pub Date : 2024-06-12 Tiina Heikola, Marja Salo, Jarno Mäkinen, Quentin Dehaine, Martina Bertelli, Päivi Kinnunen
In this study, a finely ground nickel sulphide concentrate, consisting mainly of pyrrhotite, pentlandite and chalcopyrite, was leached in shake flask and batch reactor experiments. The objective was to determine the optimal method to recover nickel and cobalt, both hosted in pentlandite, and copper hosted in pentlandite and chalcopyrite respectively. The selected leaching methods tested were sulphuric
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Application of copper for sufficient metal extraction from zinc leaching residue: Process optimization and copper reuse Miner. Eng. (IF 4.9) Pub Date : 2024-06-12 Limin Zhang, Yunyan Wang, Yun Li, Zhumei Sun, Yong Ke, Cong Peng, Mingfei Zhu, Yongjian Luo, Xiaobo Min
The advanced treatment of zinc leaching residue (ZLR) is of significance for carbon reduction and sustainable development of zinc smelting industry. Herein, a fast and sufficient hydrometallurgical extraction of metals from zinc leaching residue under mild conditions was proposed via application of metal copper. The results showed that 85.07 % Cu, 97.20 % Cd, 95.05 % As, 96.65 % Mn, 95.86 % In, and
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The effect of etheramine type on the hydrophobicity of quartz particles from iron ore Miner. Eng. (IF 4.9) Pub Date : 2024-06-08 Wendel Johnson Rodrigues, Pierre Azevedo Fernandes, Antonio Eduardo Clark Peres
The cationic reverse flotation route is one of the main processes to remove silicates from iron ore, and etheramines are the most common surfactants used to modify the hydrophobicity of silicate surfaces to make them floatable. The performance of etheramines in silica flotation is a function of a number of structural parameters including the raw material sources that contribute the carbon chain, which
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Selective biosorption and recovery of scandium using the alga Fucus vesiculosus Miner. Eng. (IF 4.9) Pub Date : 2024-06-08 Laura Castro, Nelly Abrahamyan, Arevik Vardanyan, Felisa González, Narine Vardanyan, Jesús A. Muñoz
The goal of this work was to study the viability of the application of biosorption using the brown alga in the recovery of scandium from red mud. The highest affinity of the biosorbent for scandium and aluminium was at pH 3. Sorption isotherms fitted to the Langmuir model for scandium and aluminium with adsorption capacities as high as 1.04 mmol·g for both metals but with higher affinity for scandium
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Removal of uranium (VI) from acidic aqueous solutions by ion flotation using colloidal gas aphrons (CGAs) Miner. Eng. (IF 4.9) Pub Date : 2024-06-08 Zuli Mo, Qingliang Wang, Zhimin Guo, Zhiwu Lei, Fang Hu, Eming Hu, Pengfei Hu
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Biomolecular mechanism in the uptake of Pt(IV) by Saccharomyces cerevisiae EBY100 cells expressing platinum binding peptides Miner. Eng. (IF 4.9) Pub Date : 2024-06-08 Boitumelo F. Mashangoane, Evans M. Nkhalambayausi Chirwa, Brian Gidudu
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Cross-linked β-cyclodextrin polymers for adsorption of flotation frothers for mineral processing water reclamation Miner. Eng. (IF 4.9) Pub Date : 2024-06-07 Todd Gillam, Ashlyn Austin, William Skinner, David A. Beattie, Marta Krasowska, Anton Blencowe
The inclusion complexation capabilities of cyclodextrins permit them to mediate the adsorption of hydrophobic molecules. Though often associated with pharmaceutical formulations these properties afford a capacity for the extraction of appropriate hydrophobic guest molecules within industrial processes, such as water reclamation from frother contamination within mineral flotation circuits. Industrially
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An eco-friendly depressant derived from grape seed extract (GSE) as depressant for flotation separation of pyrite from chalcopyrite under low-alkalinity conditions Miner. Eng. (IF 4.9) Pub Date : 2024-06-04 Shiqin Dong, Haiyang He, Zhilian Qiu, Liguo Peng, Shuang Qin, Jianjun Fang, Dianwen Liu, Peilun Shen
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Migration behavior of iron and phosphorus during gas-based reduction for high-phosphorus iron ore Miner. Eng. (IF 4.9) Pub Date : 2024-06-02 Guangheng Ji, Cihong Xiao, Xu Gao, You Zhou, IL Sohn, Shigeru Ueda, Wanlin Wang
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Development of a deep neural network and a PSO algorithm to predict ore hardness using X-ray diffraction and atomic emission spectroscopy Miner. Eng. (IF 4.9) Pub Date : 2024-06-01 T. De Almeida, A.S. Nicolau, R. Schirru, M. Bueno
Mining serves as the initial link in the supply chain for metals in manufacturing, and comminution − the process of reducing ore size through crushing and milling during mineral processing − is notably energy-intensive, accounting for up to 4 % of global power consumption, and its efficient management hinges on the variability within the mineral body, relying heavily on a comprehensive understanding
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Early-age reactivity and strength development in high volume mine tailings-based alkali activated binders and their application potential Miner. Eng. (IF 4.9) Pub Date : 2024-06-01 Rijul Kanth Ramasamy Jeyaprakash, Sahil Surehali, Aswathy Simon, Taihao Han, Aditya Kumar, Narayanan Neithalath
Mine tailings (MT) present environmental and health risks, necessitating suitable waste management strategies to safely dispose them. One of the most effective methods to immobilize detrimental ingredients present in tailings, yet at the same time synthesize value-added materials in large volumes, is through the development of cementitious binders containing tailings. In this work, copper mine tailings
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The impact of chloride ions on chalcopyrite leaching: A multiscale and multimodal assessment Miner. Eng. (IF 4.9) Pub Date : 2024-05-31 Luis Salinas-Farran, William Brownscombe, Francesco Iacoviello, Paul R. Shearing, Pablo Brito-Parada, Stephen J. Neethling
Understanding the variability of leaching kinetics is extremely challenging due to the nature of leaching processes. Common experimental setups, such as column leaching experiments, only allow for quantification of apparent leach kinetics at the macroscale (e.g. at the particle or column level), failing to capture grain-scale variability. In this paper, we study variability in leaching kinetics at
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Effects of ultrasound on the electrochemical cementation of copper onto iron Miner. Eng. (IF 4.9) Pub Date : 2024-05-31 Mohamed Aâtach, Miguel Antunes Simão, Stoyan Gaydardzhiev
A laboratory-scale investigation was conducted to study the cementation of copper from a CuSO – based acidic solution onto iron balls as sacrificial media under the application of low-frequency ultrasound and under silent conditions. The influence of several parameters such as pH of solution, stirring speed, temperature, ultrasonic frequency was evaluated. The results show that the use of ultrasound
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Step-wise co-removal and solidification of U and Mo contaminants in mine drainage with ferric salt and tailings Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Guihong Han, Aohua Li, Yizhuang Wang, Hu Sun, Yanfang Huang, Bingbing Liu
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Microencapsulation-based surface modification for improving flotation separation of Cu-Zn mixed sulfide minerals Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Ilhwan Park, Dai Uchida, Sanghee Jeon, Kosei Aikawa, Naoki Hiroyoshi, Mayumi Ito
Selective flotation of copper sulfides like chalcopyrite (CuFeS) from Cu-Zn mixed sulfide ores with high Cu/Zn ratios has proven difficult due to undesired activation of sphalerite (ZnS). Although the addition of excess zinc sulfate (ZnSO)—a sphalerite depressant—can achieve the selective flotation of chalcopyrite, the presence of pyrite (FeS) promotes the activation of sphalerite due to enhanced dissolution
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Effect of plate teeth spacing on particle capture in high intensity magnetic separation adopting grooved plates with elliptic teeth Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Xiayu Zheng, jinrui Cheng, Sheng Zhou, Weiwei Cheng, Zixi Sun, Dongfang Lu, Yuhua Wang
For further improving recovery of ultrafine paramagnetic minerals, optimization of horizontal high intensity magnetic separator (HIMS) is of great significance. Grooved plates are key component of the HIMS system. Previous study showed that grooved plate with elliptic teeth had better magnetic characteristics and particle capture performance than conventional plate with right-angle teeth, but those
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CatBoost-SHAP for modeling industrial operational flotation variables – A “conscious lab” approach Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Saeed Chehreh Chelgani, Arman Homafar, Hamid Nasiri, Mojtaba Rezaei laksar
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Iodide-assisted leaching of chalcopyrite concentrate in acidic chloride solution: Effect of different parameters on the copper extraction rate Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Cristóbal Martínez-Bussenius, Álvaro Videla
Chalcopyrite leaching has slow kinetics in sulfate media compared to other copper minerals. Studies have shown that these slow kinetics are caused by a passivation layer generated during the mineral’s dissolution and/or by its semiconductor properties. In the continuous search for regents to improve kinetics, the use of iodide in sulfate media has led to a significant improvement in the leaching rate
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Modelling of particulate and fluid flow in laboratory scale SMDs using coupled DEM-SPH simulations Miner. Eng. (IF 4.9) Pub Date : 2024-05-30 Divine Ssebunnya, Aubrey Mainza, Stephen Neethling
The stirred media detritor (SMD) is a common mill type used to achieve ultrafine grinds within the minerals industry. It is vertically orientated with a pin impeller. This study focusses on assessing the differences in fluid and particulate flow characteristics in three different laboratory scale SMD models. The computational model uses a two-way coupled discrete element method (DEM) and smooth particle
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Exploring the highly efficient depressant role of fenugreek gum on talc in chalcopyrite flotation Miner. Eng. (IF 4.9) Pub Date : 2024-05-29 Yuhang Che, Wei Chen, Sheng Liu, Guangsheng Zeng, Guangyi Liu
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The use of simple analytical techniques to assess surface oxidation of sulphide ores Miner. Eng. (IF 4.9) Pub Date : 2024-05-27 A.S. Sibiya, R.M. Manenzhe, M. Tadie, K.C. Corin
Surface oxidation is known to have a negative impact on the flotation performance of sulphide minerals. This is because severe oxidation makes it more difficult to process low-grade sulphide minerals, which reduces the recovery of valuable minerals during flotation. It may be possible to quantitatively correlate the rate/level of oxidation to oxidized sulphide ores using simple surface analytical techniques
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Green and selective leaching of regolith-hosted rare earth elements by Paraburkholderia fungorum Miner. Eng. (IF 4.9) Pub Date : 2024-05-27 Ling-Xiong Yuan, Tian-Lei Zhao, Wei Yin, Wen-Ping Liu, Qi-Zhi Yao, Gen-Tao Zhou
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Three-dimensional characterization of porosity in iron ore pellets: A comprehensive study Miner. Eng. (IF 4.9) Pub Date : 2024-05-24 Pasquale Cavaliere, Behzad Sadeghi, Leandro Dijon, Aleksandra Laska, Damian Koszelow
This paper presents a comprehensive study on the production and reduction of high-quality iron ore pellets characterized by a basicity index nearing 0.5 and diameters ranging from 1 to 2 cm. The reduction process was carried out in a hydrogen atmosphere at temperatures spanning 800–1000 °C and a pressure of 8 bar. Initial findings revealed substantial variations in pellet density and compressive strength
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A comparative study on the association and extractability of rare earth elements from laboratory ash, bottom ash, fly ash: A perspective on Indian coals Miner. Eng. (IF 4.9) Pub Date : 2024-05-24 Riya Banerjee, Saswati Chakladar, Shyamal Kumar Chattopadhyay, Sanchita Chakravarty
The conditions under which coal ash is formed largely dictates the association of valuables within its matrix. An optimum utilization of coal waste in commercial level is only feasible upon performing an in-depth comparative study of fly ash (FA), bottom ash (BA) and laboratory ash (LA). In the present study, two coal ash samples were acquired from a power plant in India (1200–1300 °C), whereas the
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Magnetic property of malachite for high-gradient magnetic separation Miner. Eng. (IF 4.9) Pub Date : 2024-05-23 Pulin Dai, Zixing Xue, Xiaowei Li, Zhicong Wei, Jianwu Zeng, Luzheng Chen
Malachite (CuCO·Cu(OH)) has long been considered a non-magnetic mineral, so it is never believed separable with magnetic separation. The findings from this innovative research would change this deep-seated view. For the first time, malachite was found to own a magnetic susceptibility even larger than chalcopyrite, and the theoretical analysis based on the Density Functional Theory (DFT) and Crystal-Field
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Advancement in electrokinetic processes for efficient critical metal Extraction: Unveiling the potential of electrokinetic In-Situ leaching (EK-ISL) in mining and mineral processing Miner. Eng. (IF 4.9) Pub Date : 2024-05-22 Nimila Dushyantha, Chamila Jinendra Nanayakkara, Gayithri Niluka Kuruppu
The Electrokinetic In-Situ Leaching (EK-ISL) technique emerged as a novel technique in the mining and mineral processing industry which combines the in-situ leaching (ISL) and electrokinetics (EK). ISL, recognized as a sustainable and cost-effective approach, ensures selective metal dissolution without excavation while reducing the environmental impact of conventional mining. EK is driven by a low-voltage
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Recovery of copper from bioleaching residues containing chalcopyrite through calcination-leaching: Emphasis on the presence of pyrite Miner. Eng. (IF 4.9) Pub Date : 2024-05-21 Yisheng Zhang, Lijuan Bai, Zuchao Pan, Mingtong Zhang, Li Shen, Guohua Gu, Hongbo Zhao
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Leaching kinetics of ash impurities from aphanitic graphite by combining dual-ultrasound and hydrochloric acid–potassium hydrogen fluoride Miner. Eng. (IF 4.9) Pub Date : 2024-05-21 Xiangning Bu, Zheng Tong, Xibing Ren, Muhammad Bilal, Chao Ni
The hydrochloric acid-fluoride salt is useful for purifying graphite. Ultrasonic-assisted technique can significantly reduce the leaching time and improve the leaching efficiency. Compared with single-frequency, dual-frequency ultrasound has the advantages of high energy efficiency and wide cavitation area. In this study, the combination of a dual-frequency ultrasound-assisted technique and hydrochloric
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An integrated intelligent framework for maximising SAG mill throughput: Incorporating expert knowledge, machine learning and evolutionary algorithms for parameter optimisation Miner. Eng. (IF 4.9) Pub Date : 2024-05-16 Zahra Ghasemi, Mehdi Neshat, Chris Aldrich, John Karageorgos, Max Zanin, Frank Neumann, Lei Chen
In mineral processing plants, grinding is a crucial step, accounting for approximately 50% of the total mineral processing costs. Semi-autogenous grinding (SAG) mills are extensively employed in the grinding circuit of mineral processing plants. Maximising SAG mill throughput is of significant importance considering its profound financial outcomes. However, the optimum process parameter setting aimed
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Advancements in oxygen blast furnace technology and its application in the smelting of vanadium-titanium magnetite: A comprehensive review Miner. Eng. (IF 4.9) Pub Date : 2024-05-15 Shushi Zhang, Jianliang Zhang, Zhenyang Wang, Yanbing Zong, Peimin Guo, Dewen Jiang, Song Zhang
Climate change poses a shared global challenge. Given its substantial contribution to CO emissions, the steel industry must shoulder a significant responsibility for the carbon neutrality goal. Achieving carbon neutrality in the iron and steel industry is a complex and gradual endeavor, requiring sustained efforts rather than offering a swift resolution in practical terms. Despite the ambitious development
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Behavioural zone identification in rotary mills Miner. Eng. (IF 4.9) Pub Date : 2024-05-14 François Guillard, Paul Shelley, Itai Einav
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Effect of seawater and dissolved cations on scorodite synthesis via iron coprecipitation Miner. Eng. (IF 4.9) Pub Date : 2024-05-12 Wei Sung Ng, Miao Chen
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A methodology for phase characterization in pellet feed using digital microscopy and deep learning Miner. Eng. (IF 4.9) Pub Date : 2024-05-10 Thalita Dias Pinheiro Caldas, Karen Soares Augusto, Julio Cesar Alvarez Iglesias, Bernardo Amaral Pascarelli Ferreira, Richard Bryan Magalhães Santos, Sidnei Paciornik, Alei Leite Alcantara Domingues
This work proposes a new method for characterizing pellet feed, employing Deep Learning (DL) and Convolutional Neural Networks (CNNs). The main minerals in the composition of the studied pellet feed are hematite, magnetite, goethite, and quartz. Over time, several characterization methodologies have been developed that use Digital Microscopy and Image Analysis tools. The greatest difficulties in this
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Bubble shape in the prediction of terminal velocities in flotation Miner. Eng. (IF 4.9) Pub Date : 2024-05-10 Cesar O. Gomez, Miguel Maldonado
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Amplification in the Uncertainty of the Yield and Recovery for a Steady-State Mineral Separator calculated using the Two-Product Formula Miner. Eng. (IF 4.9) Pub Date : 2024-05-09 S.M. Iveson, K.P. Galvin
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New approach to reduce carbon emissions by hydrogen reduction of boron-bearing iron concentrate in a fluidized bed: Reduction kinetics and microstructure analysis Miner. Eng. (IF 4.9) Pub Date : 2024-05-08 Peiyu Li, Jianwen Yu, Yanjun Li, Peng Gao, Yuexin Han
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A comprehensive review on recent progress in beneficiation of Nb-bearing minerals /Nb ores Miner. Eng. (IF 4.9) Pub Date : 2024-05-03 Tian Congzhong, Zou Wenjie, Liu Fengyang, Lu Yuxin, Zhang Zhijun, Li Zhengyao
Mainly produced by Brazil and Canada, the global production of niobium (Nb) surpassed 79,000 tons in 2022. Among the 150 kinds of Nb-bearing minerals, pyrochlore, columbite and tantalite are the predominant primary sources. There are several challenges in Nb ores’ beneficiation, such as low abundance in earth crust (20 ppm), fine dissemination in primary ores, and the poor performance of amines collectors
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Evaluation of disodium carboxymethyl trithiocarbonate as a depressant reagent for chalcocite: An electrochemical approach Miner. Eng. (IF 4.9) Pub Date : 2024-05-03 Arait Montoya, Ivan Reyes, Roel Cruz, Isabel Lázaro, Néstor Castillo-Magallanes, Rogelio Flores, Israel Rodríguez
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Flotation performance and adsorption mechanism of α-hydroxyoctyl phosphinic acid to pyrochlore Miner. Eng. (IF 4.9) Pub Date : 2024-05-02 Hongling Wang, Hong Zhong, Fangxu Li, Qingbo Meng, Di Wu, Shuangke Li
The flotation performance and adsorption mechanism of α-hydroxyoctyl phosphinic acid (HPA) on pyrochlore were investigated through micro-flotation experiments, zeta-potential tests, contact angle measurements and XPS analysis. The flotation results demonstrated that, in comparison to N-hexadecylpropane-1,3-diamine (NHDA), HPA exhibited a comparable collecting ability for pyrochlore but displayed superior
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Enhanced chalcopyrite leaching by mechanical activation: New insights from microstructure Miner. Eng. (IF 4.9) Pub Date : 2024-05-02 Congren Yang, Yuxin Li, Zuyuan Tian, Wenqing Qin, Xueduan Liu, Xu Wang
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Behavior of froth in absence and presence of particles Miner. Eng. (IF 4.9) Pub Date : 2024-05-01 Stoyan I. Karakashev, Dilyana S. Ivanova-Stancheva, Nikolay A. Grozev, Kristina M. Mircheva
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Degradation of residual xanthates in mineral processing wastewater-A review Miner. Eng. (IF 4.9) Pub Date : 2024-04-29 Xingjie Wang, Miaoxin Chen, Liyuan Ma, Piia Juholin, Devin J. Sapsford
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Flotation separation of magnesite from dolomite with gellan gum as depressant and its depression mechanism Miner. Eng. (IF 4.9) Pub Date : 2024-04-29 Long Wang, Zongxu Li, Hao Zhang, Lingyun Huang, Yangge Zhu, Fuping Li
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Investigation of leaching of nickel sulfide flotation tailings to recover valuable metals Miner. Eng. (IF 4.9) Pub Date : 2024-04-29 Emmanuel Atta Mends, Angela Manka Tita, Shokrullah Hussaini, John Samuel Thella, Lei Pan, Pengbo Chu
The global transition towards renewable energy, driven by low-carbon theories and technologies, has resulted in an increasing surge in the demand for critical and unique elements, of which nickel (Ni) and copper (Cu) are encompassed. In this investigation, using acid leaching, the recovery of such elements from polymetallic tailings to supplement conventional extraction processes was studied. The effective
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An automated mineralogy derived criterion for clustering ore samples for mineral liberation studies Miner. Eng. (IF 4.9) Pub Date : 2024-04-27 Rodrigo Fina Ferreira, Rosa Malena Fernandes Lima
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Continuously compressing crushing towards a dry processing method, a testing for graphite ore Miner. Eng. (IF 4.9) Pub Date : 2024-04-27 Niina Paasovaara, Samuel Hartikainen, Sirpa Peräniemi, Hannu Kuopanportti, Shenghong Yang
In this study the comminution methods of graphite bearing ore were compared by using five different crushing methods, namely a jaw crusher, a roll crusher, uniaxial compression tests, and a new type of continuously compressing crushers. These new continuously compressing crushers were available in laboratory and pilot scales. The particles in the + 1700 µm size class produced by continuously compressing