-
Stability of a thin film of water formed between a bubble and a quartz surface with acoustic sound Miner. Eng. (IF 4.8) Pub Date : 2024-04-20 Bingyu Yang, Hangil Park, Liguang Wang
Froth flotation, a versatile particle separation technology, is widely used for beneficiation of minerals. Central to the flotation process is the bubble-particle interaction. Recent research progress showed that flotation efficiency could be improved by acoustic sound, which was attributed to increased froth stability, but it was not clear as to whether the acoustic sound would also enhance the bubble-particle
-
Optimization of Upper group 2 flotation using Acidithiobacillus ferrooxidans as a modifier Miner. Eng. (IF 4.8) Pub Date : 2024-04-20 Nokubonga G. Zulu, Bongephiwe M. Thethwayo, Mapilane Madiba
Coupling of biotechnology and mineral processing arise from the depletion of high-grade ores. () is a chemolithotroph, γ-proteobacterium, gram negative bacteria that has been used in biomining over the years due to its ability of bio mobilising valuable minerals and metals. In this study, the ability of ability to modify and pre-concentrate base metal sulphides from Upper Group 2 (UG2) was investigated
-
Characterisation of the multiphase fluid dynamics of the CoarseAIR™ fluidised bed flotation cell using the Large Modular Array (LaMA) for positron emission particle tracking (PEPT) Miner. Eng. (IF 4.8) Pub Date : 2024-04-19 Diego Mesa, Dawid M. Hampel, Stephen J. Neethling, Tzany Kokalova Wheldon, Pablo R. Brito-Parada
Fluidised bed flotation cells (FBFCs) present a compelling solution for coarse particle flotation, enabling an increase in the target particle size in comminution circuits, with the corresponding energy savings. Despite their potential and strong industrial interest, the three-phase fluid dynamics of large-scale FBFCs remain unexplored due to measurement complexities and size restrictions. This paper
-
The migration and volatilization of toxic elements during briquette pyrolysis procedure Miner. Eng. (IF 4.8) Pub Date : 2024-04-17 Juan Chen, Jianjun Wu, Yixin Zhang, Yang Guo, Long Yan, Jian Li, Zhenkun Guo, Bi Chen, Hua Wang
Briquetting technique can be an excellent energy saving utilization of pulverized coal, and the thermal chemical treatment of briquette has attracted the extensive attention of researchers due to its efficiency and applicability. To reveal the migration and volatilization characteristic of toxic trace elements (As, Se and Cd) during pyrolysis procedure of briquette, this paper studied the effects of
-
Comparison of circuits over time in Canadian practice Miner. Eng. (IF 4.8) Pub Date : 2024-04-17 James A. Finch, Yue Hua Tan
Evaluation of circuits in Canadian practice based on surveys in 1957 and 2020 was used to identify the common types and whether there was any change over time. Three-stage circuits were considered along with a measure of circuit separation efficiency. The rougher-scavenger-cleaner and rougher-cleaner-cleaner still dominate, together comprising over 60% usage. Correlation against circuit separation
-
Exopolysaccharide (EPS) synthesised from Azotobacter vinelandii and its characterisation and application in bioflotation Miner. Eng. (IF 4.8) Pub Date : 2024-04-17 Zejun Wang, Qing Shi, Bo Miao, Binbin Li, Sen Li
In this study, we investigated microbial flotation as a green separation technology in mineral processing. We explored their potential use as environmentally friendly depressants for chlorite by extracting and purifying exopolysaccharides (EPS) from () and comparing them with commercial alginate. Results showed that EPS derived from under different fermentation substrates, particularly carbon sources
-
Effect of pH and current density on the physical properties of cobalt obtained by electrowinning from sulfate solutions Miner. Eng. (IF 4.8) Pub Date : 2024-04-15 Fabiano Augusto Costa Mafra Passos, Jonas da Cruz Trajano de Souza, Iranildes Daniel dos Santos, Reiner Neumann, Pedro Paulo Medeiros Ribeiro, Achilles Junqueira Bourdot Dutra
-
Shapley analysis of the effect of operational variables on recovery and grades of a Knelson concentrator Miner. Eng. (IF 4.8) Pub Date : 2024-04-15 Jessica Frigger, Chris Aldrich, Xiu Liu, Boris Albijanic
Gold ore deposits are decreasing in grade and are becoming more complex in nature. The Knelson gravity concentrator is an attractive option for processing these ores, though it is normally used for free-milling, because they are already widely accepted in the industry and are relatively easy to operate. However, more work needs to be done to optimise the operating conditions for these ore types. In
-
Identifying true collectorless flotation of chalcopyrite in calcium chloride solutions Miner. Eng. (IF 4.8) Pub Date : 2024-04-14 Minsu Hwang, Yufan Mu, Liang Cao, Yongjun Peng
Given the increasing use of seawater containing primary ions (e.g. Na and Cl) and secondary ions (e.g. Ca and Mg) in flotation plants to counteract the global freshwater scarcity, more and more studies have been performed to determine the impacts of seawater on mineral flotation behaviors. From a new and practical niche, this study aimed to determine the natural floatability of chalcopyrite in the
-
Efficient removal of the residual ammonium from weathered crust elution-deposited rare earth tailings by a ternary compound eluent Miner. Eng. (IF 4.8) Pub Date : 2024-04-13 Xiaoju Li, Junxia Yu, Xiaodi Li, Rong Wang, Fang Zhou, Zhenyue Zhang, Chunqiao Xiao, Ruan Chi
-
Novel strategy for improved sylvite flotation through controlled crystallization Miner. Eng. (IF 4.8) Pub Date : 2024-04-12 Yuan Yuan, Weiquan Zhan, Yang Tian, Alejandro López Valdivieso, Hao Yi, Shaoxian Song, Luis A. Cisternas, Feifei Jia
-
Optimization of flip-flow screen plate based on DEM-FEM coupling model and screening performance of fine minerals Miner. Eng. (IF 4.8) Pub Date : 2024-04-11 Xu Hou, Weinan Wang, Jiahao Pan, Pengfei Mao, Songxue Zhang, Chenlong Duan
Flip-flow screen has unique advantages in dry deep screening of sticky and wet fine minerals. However, during the flip-flow screening process, the continuous collision of mineral materials causes the actual motion state of the screen plate to differ significantly from the ideal state. Clarifying the actual motion changes and stress characteristics of the flip-flow screen plate under the combined action
-
Instance segmentation of quartz in iron ore optical microscopy images by deep learning Miner. Eng. (IF 4.8) Pub Date : 2024-04-08 Bernardo Amaral Pascarelli Ferreira, Karen Soares Augusto, Julio César Álvarez Iglesias, Thalita Dias Pinheiro Caldas, Richard Bryan Magalhães Santos, Sidnei Paciornik
Iron ore characterization is essential for the mineral industry since it provides relevant information, such as ores' chemical composition and the textural and morphological aspects of particles, required for designating a proper mineral processing route. Reflected Light Optical Microscopy (RLOM) is typically used in this field, as it allows the identification of most mineral phases by their different
-
Effect of agglomeration on nickel extraction and sulfur release from ultramafic nickel sulfide concentrates Miner. Eng. (IF 4.8) Pub Date : 2024-04-06 Fanmao Wang, Sam Marcuson, Reda Elsawi, Lucy Liu, Jahir Mion Ramos, Mike Walker, Mansoor Barati
The authors have proposed an upgrading process for ultramafic nickel concentrates which is comprised of agglomeration of iron powders and concentrates followed by a two-stage thermal treatment at temperatures lower than the typical smelting conditions. This allowed the nickel to migrate from the sulfide phase to metallic ferro-nickel particles, making solid-to-solid contact important. Agglomeration
-
Corrigendum to “A systematic study on gelatinization efficiency of starch by NaOH for enhanced hematite depression” [Min. Eng. 209 (2024) 108621] Miner. Eng. (IF 4.8) Pub Date : 2024-04-06 Elaine Cristina Andrade, Saeed Chehreh Chelgani, Laurindo de Salles Leal Filho
-
Reductive thermal plasma conversion of a spodumene concentrate and impact on lithium extraction Miner. Eng. (IF 4.8) Pub Date : 2024-04-06 Colin Dessemond, Gervais Soucy, Nicolas Laroche
The conversion of α-spodumene was performed using two different CO/CH thermal reductive plasma reactors. Using one configuration, particle size was proven to have a major role in lithium extraction. Lithium extraction efficiency decreases if the particles are too large. The third phase γ-spodumene is less reactive than β-spodumene and has a negative effect on lithium extraction. The other configuration
-
Electrochemical cobalt oxidation in chloride media Miner. Eng. (IF 4.8) Pub Date : 2024-04-05 Iryna Makarava, Jere Vänskä, Agnieszka Kramek, Jacek Ryl, Benjamin P. Wilson, Kirsi Yliniemi, Mari Lundström
-
Estimating effective volumes in industrial forced-air flotation cells Miner. Eng. (IF 4.8) Pub Date : 2024-04-03 Luis Vinnett, Juan Yianatos, Francisco Díaz, Ahmad Hassanzadeh
-
Water-soluble rare earth elements (REEs) recovered from uranium tailings Miner. Eng. (IF 4.8) Pub Date : 2024-03-28 Alan Levett, Antony van der Ent, Thomas Ray Jones, Kimiya Bolouri, Kieran Kelly, James Vaughan, Mansour Edraki, Peter Erskine, Gordon Southam
-
Experimental investigation and numerical modeling of effect of specimen size on microwave-induced fracturing of diorite Miner. Eng. (IF 4.8) Pub Date : 2024-03-27 Zhongjun Ma, Yanlong Zheng, Fuxin Rui, Gaofeng Zhao, Jianchun Li, Ping Che
The effect of specimen size on microwave-induced fracturing of rocks has not been well understood. In this study, the experimental tests using open-ended microwave and numerical simulations coupling COMSOL Multiphysics and four-dimensional lattice spring model (4D-LSM) were carried out to investigate the evolution process of microwave-induced cracks, and to elucidate the mechanisms responsible for
-
Characterizing low-grade refractory gold ores using automated mineralogy coupled with LA ICP-MS Miner. Eng. (IF 4.8) Pub Date : 2024-03-27 Steve Jason Chingwaru, Margreth Tadie, Bjorn Von der Heyden
Researchers have made notable progress in quantifying refractory components causing gold losses in traditional extraction methods. The potential for improving gold recoveries lies in targeted re-treatment of the 'invisible' gold fraction hosted within various ore minerals, even at low concentrations. This study presents a methodology for analysing the refractory components that cause gold losses in
-
Electrochemical characterizations and galvanic effect of chalcopyrite leaching and passivation-A review Miner. Eng. (IF 4.8) Pub Date : 2024-03-27 Xin-Jie Liu, Yalong Liao, Haifei Ma, Qingfeng Liu
-
Flowsheet development for and commissioning of the Kamoa-Kakula project Miner. Eng. (IF 4.8) Pub Date : 2024-03-27 N.O. Lotter, E. Whiteman, M.C. Hoffman, V. Nkuna, S.R. Amos, A. Groenewald
The Kamoa-Kakula copper resource, located west of Kolwezi in the Democratic Republic of the Congo, was discovered and explored by Ivanhoe from 2008/9 on. As a greenfield project with prospects of high grade ore and a long life-of-mine, the need for best practice flowsheet development was recognised, so as to ensure sustainability of metallurgical performance at the at the maximum economic level from
-
Exploration of a novel depressant pullulan gum for the flotation separation of specularite from aegirite Miner. Eng. (IF 4.8) Pub Date : 2024-03-27 Cheng Yang, Guoqi Song, Pengpeng Zhang, Chao Wang, Xiangpeng Gao, Mingyang Li
-
Effects of alkali pretreatment on the flotation of spodumene and feldspar Miner. Eng. (IF 4.8) Pub Date : 2024-03-26 Zhimin Ma, Longhua Xu, Wenjun Guo, Donghui Wang, Kai Xue
The surface chemistry and morphology of minerals produced by alkali pretreatment affects their flotation behaviors. This study systematically investigated the impact on the mineral surface dissolution using NaOH as a modifier, which could modify the surface properties of minerals and improve the floatability difference between spodumene and feldspar. Various characterizations including flotation experiments
-
Prediction of multi-stage froth flotation efficiency of complex lead–zinc sulfide ore using an integrated ensemble neural network–random forest model Miner. Eng. (IF 4.8) Pub Date : 2024-03-26 Kwanghui Jo, Jinyoung Je, Donwoo Lee, Heechan Cho, Kwanho Kim, Kwangsuk You
Despite the long history of flotation in the mineral processing industry, its prediction and understanding remains a great challenge owing to its many variables acting in a complex manner. In this study, we introduced machine learning (ML) models to predict the grade and yield of a multi-stage flotation process of a complex lead–zinc sulfide ore. Over 100 batch flotation tests were conducted in a stepwise
-
Insights into metal wear and particle breakage using Bond's abrasiveness test Miner. Eng. (IF 4.8) Pub Date : 2024-03-24 Alan A.A. Tino, Gabriel K.P. Barrios, Luís Marcelo Tavares
Nearly 80 years ago Fred Bond proposed his abrasiveness test, also known as Allis Chalmers abrasion test, together with empirical equations that have been used to predict the wear of mill and crusher liners, besides grinding media. Although those equations have been widely criticized over the years, in particular owing to the limited accuracy of the correlations originally proposed to predict wear
-
Effect of particles on foam drainage Miner. Eng. (IF 4.8) Pub Date : 2024-03-23 Miao Jin, Qiang Wang, Long Liang, Jiakun Tan
Despite many applications, the three phase foam is so complicated and far from being fully understood. Drainage is critical to foam decay, so the effect of particles on foam drainage has been investigated in this research to better understand the complex three phase foam. The power law relationship, drainage regime, foam permeability and the residual solid particles were investigated with different
-
Novel approach to locate micro-scale mineral regions of interest in real ores Miner. Eng. (IF 4.8) Pub Date : 2024-03-22 Xu Jiang, Zhiyong Gao, Shihong Xu
-
Effects of Au doping on the adsorption of xanthate on pyrite surface in presence of H2O: A DFT study Miner. Eng. (IF 4.8) Pub Date : 2024-03-19 Ziyong Chang, Baili He, Yuanjia Luo, Zhengchang Shen, Laichang Zou, Qiankun Wang, Zhongmei Sun
-
Reverse calcite flotation applied for the beneficiation of the Queguay Formation limestone Miner. Eng. (IF 4.8) Pub Date : 2024-03-19 Ian de Amores, Santiago Seiler, Elisa Tomey, Gustavo Sánchez
Limestone is a significant resource for the Uruguayan mining industry. The Queguay Formation hosts a sedimentary limestone deposit containing quartz inclusions as its primary impurity, which limits its use in applications other than cement. In this work, a representative sample from Queguay Formation was characterized and subjected to flotation tests. The application of reverse froth flotation is proposed
-
A bulk sorting trial of copper ore using a magnetic resonance analyser Miner. Eng. (IF 4.8) Pub Date : 2024-03-16 Peter J. Coghill, Evans Simpemba
-
Modelling, analysis and validation of a dynamic dense medium separation circuit model for detecting medium losses Miner. Eng. (IF 4.8) Pub Date : 2024-03-16 C.S. Lowry, J.D. le Roux, I.K. Craig
-
Hydrophobic-hydrophilic bubble-particle kinetics in a downcomer Miner. Eng. (IF 4.8) Pub Date : 2024-03-16 S. Parkes, B. Wright, P. Wang, E. Stiller, M. Firouzi, K.P. Galvin
Declining ore grades have been addressed through exponentially higher cell residence times. With cell sizes approaching 1000 m, improved kinetics is crucial. Downcomers, which increase shear rates for improved recovery of fine hydrophobic particles, may also cause a strong deposition flux of ultrafine hydrophilic particles close to the bubble surface, via lubrication forces. Model feeds of varying
-
Ion flotation kinetic predictions using empirical and phenomenological models Miner. Eng. (IF 4.8) Pub Date : 2024-03-13 Fatemeh Sadat Hoseinian, Mehdi Safari, David Deglon
-
Dynamics of particle attachment in a model stirred cell: A new technique to characterize and quantify particle floatability Miner. Eng. (IF 4.8) Pub Date : 2024-03-10 Milad Eftekhari, Karin Schwarzenberger, Patrick Schlereth, Kerstin Eckert
Floatability evaluation is critical to predicting flotation results and designing a flotation flowsheet. Laboratory-scale flotation cells are commonly used to study particle floatability, but differences in cell design and governing hydrodynamics make extrapolation to industrial scale operations difficult. In this work, a new experimental approach based on particle attachment dynamics is proposed to
-
Gravity separation of fine itabirite iron ore using the Reflux Classifier – Part II – Establishing the underpinning partition surface Miner. Eng. (IF 4.8) Pub Date : 2024-03-10 Armando F.d.V. Rodrigues, Homero Delboni Junior, James Zhou, Kevin P. Galvin
-
Trace element impurities in anode copper from Olympic Dam, South Australia Miner. Eng. (IF 4.8) Pub Date : 2024-03-09 Nigel J. Cook, Kathy Ehrig, Cristiana L. Ciobanu, Sarah E. Gilbert, Hassan Gezzaz
Anode copper is the intermediate product between copper smelting and electrorefining. Anodes are typically 98.5 to 99.8 % pure and require electrorefining to high-purity copper cathode that can be sold to customers. Impurity elements, including Ag, Au, As, Sb, Bi, Se, Te, Sn, Pb, Co, and Ni (alongside minor Fe, Al, and Si), are either dissolved within anode copper, or contained within micron-scale
-
Pyrolysis liquid of pine wood: A novel efficient depressant of pyrite in galena flotation Miner. Eng. (IF 4.8) Pub Date : 2024-03-08 Zuchao Pan, Can Cai, Guoyan Liang, Fen Jiao, Congren Yang, Qian Wei, Wenqing Qin
The pyrolysis liquid of pine (PL) had a significant depression effect on pyrite, but its effect on galena was minimal. Within the pH range of 8.0–10.0, the recovery of pyrite was below 10 % upon the addition of 200 mg/L PL, whereas that of galena remained above 90 %. XPS analysis showed that the main functional groups adsorbed on the pyrite surface were C–OH and CO. TOF-SIMS analysis showed that substances
-
Effect of nutrient concentration, dissolved salts, and mineralogy at high temperature column bioleaching of a pyrrhotite-pyrite secondary ore Miner. Eng. (IF 4.8) Pub Date : 2024-03-08 Carmen Falagán, David W. Dew, Karen A. Hudson-Edwards
[Display omitted]
-
Recovery of oxalic acid from hydrochloric acid and cobalt containing hydrometallurgical side-stream by solvent extraction Miner. Eng. (IF 4.8) Pub Date : 2024-03-08 Reza Aref, Niklas Jantunen, Sami Virolainen
[Display omitted]
-
Assessing the depression of high-concentration pyrite in copper flotation by high pH Miner. Eng. (IF 4.8) Pub Date : 2024-03-06 Richard Li Jie Lee, Yongjun Peng
Treating high-pyrite-containing ores has been problematic in copper flotation plants where selective separation of copper minerals from pyrite is challenging to achieve. Raising pulp pH is common for pyrite depression when pyrite feed grade is low. Whether raising pulp pH can equally depress pyrite in copper flotation when pyrite feed grade is high remains unanswered. Hence, this research examined
-
Process mineralogy of unconventional mineral deposits examples of applications and challenges Miner. Eng. (IF 4.8) Pub Date : 2024-03-05 Kurt Aasly
Process mineralogy is an important field within the mining industry. It is widely known that the application of process mineralogy can be used to solve problems and challenges, and as a tool for optimization, in the mineral processing plant. The field also contributes to an increased value of ore concentrates produced. However, how can the knowledge from, and experience with process mineralogy be applied
-
CFD simulation and water model experiments with overflow-type supergravity reactor set up for continuously removing inclusions from aluminum melt Miner. Eng. (IF 4.8) Pub Date : 2024-03-05 Zhe Wang, Qilong Wei, Meng Hu, Zhancheng Guo
[Display omitted]
-
Multi-source unsupervised domain adaptive mill load forecasting method based on deep learning and fusion features Miner. Eng. (IF 4.8) Pub Date : 2024-03-04 Yiwen Liu, Gaowei Yan, Rong Li, Shuyi Xiao, Mifeng Ren, Lan Cheng
In the grinding industry, accurate prediction of the mill load is the key to enhancing plant profitability and reducing mill failures. After the condition changes, the model is usually mismatched, and the true label cannot be obtained in time. To solve this problem, we propose a multi-source unsupervised domain adaptation model based on deep learning and fusion features (MUDA_DF), which is suitable
-
Quantifying the degree of selectivity in a Flocculation-Flotation process of LiCoO2 and graphite using scanning electron microscopy and image processing analysis Miner. Eng. (IF 4.8) Pub Date : 2024-03-02 Tommi Rinne, Mohazzam Saeed, Rodrigo Serna-Guerrero
This research article studies selective flocculation as a means for improving flotation of lithium-ion battery active materials using mixtures of pure LiCoO (LCO) and graphite. Scanning electron microscopy (SEM) combined with image analysis via density-based spatial clustering of applications with noise (DBSCAN) is presented as a novel method to quantitatively determine the degree of selectivity in
-
Improved azurite sulfurization with ethylenediamine modification and its effects on flotation behaviors: Insight from copper vacancy Miner. Eng. (IF 4.8) Pub Date : 2024-03-02 Jinpeng Cai, Xiaohua Yu, Chao Su, Bin Pei, Peilun Shen, Dianwen Liu
Enhanced sulfurization has always been the focus of flotation research on copper oxide minerals. In this study, ethylenediamine (EDA) was used to improve the sulfurization of azurite. ICP-OES, AFM, XPS, Zeta potential, EPR and DFT calculation were applied to reveal the underlying promoting mechanism, and flotation tests were conducted to evaluate the effect of EDA on sulfurization flotation of azurite
-
Efficient and stable leaching of gold in a novel ethydiaminedhephen acetic-thiosulfate system Miner. Eng. (IF 4.8) Pub Date : 2024-03-01 Guowei Zhang, Lei Hou, Peng Chen, Qi Zhang, Yu Chen, Nasriddinov Zamoniddin Zainiddinovich, Chunhui Wu, López Valdivieso Alejandro, Feifei Jia
[Display omitted]
-
Residual Dewatering Aids in Process Water on Flotation Performance of a Selected Cu-Ni-PGM Ore from a Siliceous Reef Miner. Eng. (IF 4.8) Pub Date : 2024-03-01 Malibongwe S. Manono, Saahil F. Khan, Lisa L. October, Kirsten C. Corin
The increasing scarcity of water has led to mine operations recycling water from tailing dams, thickener overflow, dewatering and filter products. However, water quality is found to influence the process of ore flotation, with adverse effects on flotation selectivity. The adsorption of the collector onto valuable minerals may also be affected by the unintended change on water chemistry. This study
-
Importance of considering classification and liberation when optimising comminution and flotation Miner. Eng. (IF 4.8) Pub Date : 2024-02-29 K.C. Runge, J.J. Frausto, M.M. Lisso, V. Jokovic, M. Yahyaei
With the world demand for minerals accelerating, there is an increasing need to optimise grinding and flotation processes to maximise flotation recovery and minimise energy use. This paper aims to demonstrate that it is important to consider liberation in these optimisation studies. Classification is a key process linking grinding and flotation. This paper presents a series of case studies that compare
-
Impurities removal from acidic solution of nickel cobalt complex hydroxide using pulsed disc and doughnut column Miner. Eng. (IF 4.8) Pub Date : 2024-02-28 Chi Wang, Boren Tan, Chenye Wang, Yong Wang, Peng Xing, Huiquan Li, Xiahui Gui, Jianguo Yang, Xue Guan
In this work, a 30 mm diameter pulsed disc and doughnut solvent extraction column was used for impurities removal from nickel cobalt complex hydroxide acid solution by solvent extraction. The effects of dispersed phase velocity, continuous phase velocity and pulse intensity on drop diameter, dispersed phase holdup and mass transfer were investigated. The results show that the drop size decreases gradually
-
Investigation of gold-amino acid interactions using Fourier Transform Infrared spectroscopy and correlation with gold dissolution; Studies at different pH values Miner. Eng. (IF 4.8) Pub Date : 2024-02-27 Anthony Tapfuma, Guven Akdogan, Robert C. Luckay, Margreth Tadie
Recent developments in the field of gold leaching using amino acids have generated an interest in understanding the bonding/interactions involved in gold amino acid complexation. So far, only Density Function Theory (DFT) models have predicted the bonding of gold with amino acids, and there has been limited experimental work to verify the postulated quantum models. This study therefore aims to address
-
Preliminary investigation into lithium extraction by phosphoric acid leaching of spodumene Miner. Eng. (IF 4.8) Pub Date : 2024-02-25 Justin Paris, Shiva Mohammadi-Jam, Ronghao Li, Jingyi Liang, Hak Jun Oh, Ozan Kökkılıç, Sidney Omelon, Kristian E. Waters
Lithium demand has risen significantly with the dominance of lithium-ion batteries in renewable energy technology. Spodumene is a primary lithium-bearing mineral of lithium extraction interest, due to its comparatively high grade and simple composition. However, lithium extraction processes from spodumene remain complex. In this study, phosphoric acid was investigated as a lithium leaching agent. Preliminary
-
Hydrocyclone separation enhancement of fine particles based on interface control Miner. Eng. (IF 4.8) Pub Date : 2024-02-24 Rui Wang, Ziang Zhang, Xiaokang Yan, Haijun Zhang, Lijun Wang
Hydrocyclones are devices that can efficiently separate and classify mixtures of multiphase systems based on density and grain size differences under centrifugal sedimentation. The cut size, denoted as , indicates the separation performance of the device, with lower values indicating higher separation limits. To reduce the cut size, researchers have tried different methods, such as modifying the hydrocyclone
-
Evaluation of the Crago flotation process to recover the iron contained in the fine tailings of Mont-Wright mine Miner. Eng. (IF 4.8) Pub Date : 2024-02-23 J. Mesquita, Y. Foucaud, H. Turrer, M. Badawi
Mont-Wright mine is an important asset of ArcelorMittal located in the province of Quebec, Canada. This asset annually produces 25 million tons of iron ore concentrate with an assay of 66 % Fe, achieved through a beneficiation circuit comprised entirely of spiral concentrators. Nevertheless, 45 million tons of tailings are discarded to the tailings dam and, due to the intrinsic inefficiency of the
-
Effect of an electro-assisted biochemical cycle reactor on bio-oxidation of gold ore Miner. Eng. (IF 4.8) Pub Date : 2024-02-23 Tongyi Yang, Miaomiao Dai, Guoteng Tang, Zechong Guo, Yixuan Yang, Huazhe Jiao
[Display omitted]
-
Environmental impacts of lithium hydroxide monohydrate production from spodumene concentrate – A simulation-based life cycle assessment Miner. Eng. (IF 4.8) Pub Date : 2024-02-22 Heikki Lappalainen, Marja Rinne, Heini Elomaa, Jari Aromaa, Mari Lundström
[Display omitted]
-
Investigating the reprocessing potential of abandoned zinc-lead tailings ponds: A comprehensive study using physicochemical, mineralogical, and 3D geometallurgical assessments Miner. Eng. (IF 4.8) Pub Date : 2024-02-22 Ayoub El Aallaoui, Mustapha El Ghorfi, Abdellatif Elghali, Yassine Taha, Hamza Zine, Mostafa Benzaazoua, Rachid Hakkou
[Display omitted]
-
Application of a new self-consistent-charge density-functional tight-binding(SCC-DFTB) parameter set for simulating the adsorption of flotation reagents on the surface of typical lead minerals Miner. Eng. (IF 4.8) Pub Date : 2024-02-21 Yibing Zhang, Jianhua Chen, Yuqiong Li, Cuihua Zhao, Ye Chen
[Display omitted]
-
Continuous bioreactor leaching of nickel sulfide concentrates with moderately thermophilic bacteria and archaea Miner. Eng. (IF 4.8) Pub Date : 2024-02-19 Paul R. Norris, Robert Fitzpatrick, Ana L. Santos
A commercial process for bioreactor leaching of a nickel concentrate by-product of talc mining has been described previously. It was developed and operated (2016–2018) at about 45–46 °C. Further features of bioleaching that concentrate have now been investigated in laboratory-scale reactors with continuous feeds of up to 10% (w/v) solids and an emphasis on temperatures at and a few degrees above that