Flotation
Browse 60 curated documents about flotation in The Archive — the 2RA-Edition digital library for engineering and scientific research. This collection of books, journal articles, theses, reports, and technical documents on flotation spans extractive metallurgy, mining engineering, chemistry, and applied science. Every document is searchable in full text; sign in to read, download, ask AI questions about any document, or generate cited research drafts with the AI Researcher.
Copper Recovery from Silicate-Containing Low-Grade Copper Ore Using Flotation Followed by High-Pressure Oxidative Leaching
Baisui HAN, Batnasan ALTANSUKH
In this paper, we present the results for recovery of copper from silicate-containing low-grade copper ore using flotation followed by atmospheric and high-pressure oxidative leaching. The objective of this study is to address the challenges associated with low-grade copper ores, particularly focusing on the recovery of copper while managing the increasing impurities present in the ores. The metho
COPPER EXTRACTION BY ELECTROLEACHING OF METALLIC SULPHIDES FLOTATION CONCENTRATES
Luis Gonzaga S. Sobral, Vânia Mori
Copper occurs in the crust of the earth, predominantly, as sulphides. Among the copper sulphide minerals, the chalcopyrite is the most abundant and the most refractory to the conventional oxidative processes. This work aims at developing an electrolytic process for treating a copper sulphides flotation concentrate, more precisely chalcopyrite (CuFeS2) and bornite (Cu5FeS4) in the percentages of 70
The Direct Leaching of Nickel Sulfide Flotation Concentrates – A Historic and State-of-the-Art Review Part I: Piloted Processes and Commercial Operations
Nebeal Faris, Mark I. Pownceby
The extraction of nickel (Ni) from sulfide resources commences with flotation to produce a concentrate which is then smelted to create a nickel-enriched phase called matte, further refined to produce pure Ni products along with by-products such as cobalt (Co), copper (Cu), and precious metals. Despite the technological robustness of the traditional concentrate smelting-matte refining process, it i
Demand Side Management of a Run-of-Mine Ore
B. Matthews, I.K. Craig
Increasing electricity costs coupled with lower prices for some metals such as platinum group metals, require a reevaluation of the operation of grinding processes. Demand side management (DSM) has received increasing attention in the field of industrial control as an opportunity to reduce operating costs. DSM through grinding mill power load shifting is presented in this paper using model predict
EXTREMUM SEEKING CONTROL OF GRINDING MILL CIRCUITS BASED ON GRIND
Lukasz Ziolkowski
Mineral processing plants include several operations to liberate the valuable minerals within raw ore material to produce a concentrate, which is processed into a usable product by a metallurgical refinery. A significant aspect of this process is the comminution stage, which greatly affects the operational costs and efficiency of the plant. This study aims to develop a control framework to optimiz
EXTREMUM SEEKING CONTROL OF GRINDING MILL CIRCUITS BASED ON GRIND
Lukasz Ziolkowski
Mineral processing plants encompass various operations aimed at liberating valuable minerals from raw ore material to produce a concentrate for further processing. A prominent stage in this process is comminution, where raw ore is processed through grinding mill circuits to achieve fine particles for effective mineral separation. This stage is critical as it significantly impacts the net revenue o
HYBRID NON-LINEAR MODEL PREDICTIVE CONTROL OF A RUN-OF-MINE ORE
Stefan Botha, I.K. Craig
A run-of-mine (ROM) ore milling circuit is primarily used to grind incoming ore containing precious metals to a powder fine enough to liberate the valuable minerals contained therein. The ground ore has a product particle size specification that is set by the downstream separation unit. However, controlling a ROM ore milling circuit has challenges due to unmeasurable process outputs, non-lineariti
HYBRID NON-LINEAR MODEL PREDICTIVE CONTROL OF A RUN-OF-MINE ORE
Stefan Botha, I.K. Craig
A run-of-mine (ROM) ore milling circuit plays a crucial role in processing ores containing precious metals to achieve a particle size suitable for the liberation of valuable minerals. The effective management of the ROM milling circuit, which includes components such as a mill, sump, and hydrocyclone, poses significant challenges due to unmeasured process outputs, inherent non-linearities, time de
DEVELOPMENT OF PERFORMANCE FUNCTIONS
Donghui Wei, Ian K. Craig
This thesis investigates the economic performance assessment (EPA) of control systems, which is gaining significance in both academic and industrial contexts. The objective is to develop performance functions (PFs) that serve as tools for estimating the benefits of control upgrade projects and enhancing the economic performance of control systems. A methodology is proposed for creating PFs, utiliz
Journal of Process Control 129 (2023) 103067
Zander M. Noome, Johan D. le Roux
The model predictive static programming (MPSP) technique, which is extended recently to incorporate applicable state and control constraints, operates on the philosophy of nonlinear model predictive control (NMPC). However, it reduces the problem into a lower-dimensional problem of control variables alone, thereby enhancing computational efficiency significantly. Because of this, problems with lar
THE DEVELOPMENT OF DYNAMIC MODELS FOR A DENSE MEDIUM SEPARATION CIRCUIT IN COAL BENEFICIATION
Ewald Jonathan Meyer
Dense medium separation (DMS) plants are crucial for the beneficiation of run-of-mine (ROM) coal in metallurgy, where maintaining the quality and yield of production poses significant challenges due to variations in ROM quality. This study aimed to develop a first principle dynamic mathematical model for a DMS circuit to aid in enhancing control systems that can effectively manage product throughp
A plant-wide control framework for a grinding
J. D. le Roux, I. K. Craig
This article proposes a generic plant-wide control framework which can be used to develop a hierarchical control structure (regulatory control, supervisory control, and optimisation) to operate a single-stage closed grinding mill circuit in an economically optimal manner. An economic objective function is defined for the grinding mill circuit with reference to the economic objective of the larger
Economic performance assessment of two ROM ore milling circuit controllers
Donghui Wei, Ian K. Craig
Economic performance assessment of control systems is receiving increasing attention in both academia and industry. A relevant framework is proposed in Bauer and Craig based on a comprehensive survey of the methods for economic analysis of advanced process control systems. The framework provides a formal procedure for the economic assessment of control systems. A practically motivated simulation s
THE FLOTATION OF HIGH TALC-CONTAINING
VELAPHI MOSES NASHWA
This project investigates the optimisation of platinum-group metals recovery at the Mimosa Mine in Zimbabwe. The first part of this research investigates how collector performance can be improved by using collector combinations (mixtures) of the standard sodium iso-butyl xanthate with a secondary collector. The synergistic effect of the sodium-iso-butyl-xanthate (SIBX) combined with trithiocarbona
Simulation of Grinding Media Motion and Collisions in Wet-Operated Accelerator-Mill Using DEM Coupled with CFD
Kang He, Minping Jia
The relative motion and collision between grinding media in a wet-stirred accelerator mill are modelled using the discrete element method (DEM) coupled with computational fluid dynamics (CFD). The local average normalized grinding media velocity profile is employed to divide the grinding chamber into four volumes, which facilitates the analysis of the stress energy distribution. The local grinding
Prediction of Circulation Load of Side-Flanged High-Pressure Grinding Rolls Closed-Circuit Crushing
Nan Li, Lixia Li
To enhance the performance of the combined high-pressure grinding roller (HPGR) and tower mill (TM) process for −1 mm particle size, this study addresses the key technical challenges of insufficient material quantity (<100 kg) and complex experimental procedures in HPGR closed-circuit crushing tests by proposing a novel circulating load prediction method based on the principle of mass balance and
Considering Specific Ion Effects on Froth Stability in Sulfidic Cu-Ni-PGM Ore Flotation
Malibongwe S. Manono, Kirsten C. Corin
The mining and mineral processing of Cu-Ni-PGM sulfide ores in South Africa occurs in semi-arid regions, presenting challenges regarding water resource scarcity. As a response, mineral concentrators are increasingly engaging in the recycling and re-use of process water, which alleviates reliance on municipal water and addresses environmental regulations on freshwater usage, aligning with Sustainabl
Effects of Sodium Silicate on Flotation Separation of Sphalerite and Dolomite and Its Mechanism
Longqian Ni, Jinfang Lv
Sphalerite often co-exists with dolomite, a carbonate mineral containing calcium and magnesium. In the flotation process of sphalerite, dolomite entering into the concentrate will have a considerable negative impact on the subsequent smelting. Therefore, the effects of sodium silicate on the flotation separation of sphalerite and dolomite and its mechanism were investigated in this study. It was f
Machine Learning Algorithms for Semi-Autogenous Grinding Mill Operational Regions' Identification
Pedro Lopez, Ignacio Reyes
Energy consumption represents a significant operating expense in the mining and minerals industry. Grinding accounts for more than half of the mining sector’s total energy usage, where the semi-autogenous grinding (SAG) circuits are one of the main components. The implementation of control and automation strategies that can achieve production objectives along with energy efficiency is a common goa
Effects of Sec-Octanol and Terpineol on Froth Properties and Flotation Selectivity Index for Microcrystalline Graphite
Xuexia Wang, Juan Zhang
Microcrystalline graphite is a valuable non-metallic mineral that can be separated by flotation, a physico-chemical processing method that uses air bubbles to capture mineral particles. The size and stability of the bubbles, which depend on the type and amount of frother added, affect the flotation performance and the recovery of water from the froth layer. However, the effects of different types
Enhancing Fines Recovery by Hybrid Flotation Column and Mixed Collectors
Polyxeni K. Tsave, Margaritis Kostoglou
The froth flotation technique can be considered one of the most efficient methods for the separation of minerals. Prior to utilizing any physicochemical separation method, the size of the mined ore must be decreased to facilitate the release of the valuable materials. This practice, along with the increased exploitation of ores that carry fine mineral particles, causes the production of fine and u
Interaction Between Nonionic Surfactants and Alkyl Amidoamine Cationic Collector in the Reverse Flotation of Iron Ore
José Tadeu Gouvêa Junior, Flávia Paulucci Cianga Silvas
This paper evaluates the performance of four ethoxylated nonionic surfactants (nonyl phenol vs. C13 alcohols) to act as ancillary collectors with Alkyl Amidoamine (AAA) in the reverse flotation of quartz at pH8 to concentrate iron ores. Compared to 100% AAA, the blend composed of 80% AAA (Flotinor®5530) plus 20% of isotridecyl alcohol ethoxylated with five groups of ethylene oxide (DP-210 RO) impr
Scale-Up Investigation of a Pilot and Industrial Scale Semi-Autogenous Mill Using a Particle Scale Model
Paul W. Cleary, Matt D. Sinnott
A particle scale model based on a full two-way coupling of the Discrete Element Method (DEM) and Smoothed Particle Hydrodynamics (SPH) methods is applied to SAG mills. Motion and collisions of resolved coarser particles within an SAG mill are performed by the DEM component. Fine particles in the feed combine with the water to form a slurry, which is represented by the SPH component of the model. S
Interaction Between Nonionic Surfactants and Alkyl Amidoamine Cationic Collector in the Reverse Flotation of Iron Ore
José Tadeu Gouvêa Junior, Flávia Paulucci Cianga Silvas
This paper evaluates the performance of four ethoxylated nonionic surfactants (nonyl phenol vs. C13 alcohols) to act as ancillary collectors with Alkyl Amidoamine (AAA) in the reverse flotation of quartz at pH8 to concentrate iron ores. Compared to 100% AAA, the blend composed of 80% AAA (Flotinor®5530) plus 20% of isotridecyl alcohol ethoxylated with five groups of ethylene oxide (DP-210 RO) impr
Simulating the Effect of Water Recirculation on Flotation through Ion-Spiking: Effect of Ca2+ and Mg2+
Mathew Dzingai, Malibongwe Manono
Froth flotation is a multifaceted complex process which is water intensive. The use of recycled water as an alternative source of water to meet water demands of the process may introduce deleterious inorganic ions that affect the mineral surface, pulp chemistry, and reagent action, hence the need to establish whether threshold ion concentrations exist beyond which flotation performance will be adver
Using Discrete Element Method to Analyse the Drop Ball Test
Ngonidzashe Chimwani, Murray Mulenga Bwalya
The drop ball test (DBT) is a common quality control procedure used in many grinding media manufacturing units to evaluate the quality of manufactured balls. Whilst DBTs have provided reasonable data over many years, the quantitative comparison of the energy that the balls are subjected to during the DBT and in high-impact loading environments such as semi-autogenous grinding (SAG) mills remains a
Experimental and Modelling Study of Pt, Pd, and 2E+Au Flotation Kinetics for Platreef Ore by Exploring the Influence of Reagent Dosage Variations
Parisa Doubra, Candice Carelse
This study investigates the flotation kinetics of individual platinum-group elements (PGEs) and gold, namely Pt, Pd, and 2E+Au (i.e., Pt+Pd+Au), in the context of Platreef ore flotation. Experimental tests were conducted on a Platreef ore feed using various dosages of depressants, frothers, and collectors under controlled agitation and pH conditions. The recoveries of the individual PGEs were analys
Minerals 2026, 16, 216
Pouya Nobahar, Chaoshui Xu
The growing global demand for mineral resources is challenging mining operations to maintain productivity while processing lower-grade ores and increasingly complex deposits. This study presents an integrated framework that leverages machine learning (ML) and high-fidelity simulation to model and support scenario-based decision-making for the blasting–crushing–SAG (Semi-Autogenous Grinding) millin
Using Top-of-Froth Conductivity to Infer Water Overflow Rate in a Two-Phase Lab-Scale Flotation Column
Mark R. Lepage, Cesar O. Gomez
The metallurgical performance of a flotation machine is largely defined by phenomena occurring in the froth zone. The water content in the froth affects recovery by influencing froth stability and mobility and, at the same time, reduces grade by mechanical entrainment of gangue particles in the overflow water. Efficient operation requires a compromise between the water carried by bubbles from the
Research on Optimization of Lifter of an SAG Mill Based on DEM Simulation and Orthogonal Tests and Applications
Guobin Wang, Qingfei Xiao
The unreasonable parameters of mill liner lifter bars will not only decrease the operating rate of the mill and increase electricity consumption but also seriously restrict the production capacity of the mill. Therefore, optimizing the parameters of liner lifter bars is helpful to save energy, improve its production capacity, and increase benefits for enterprises. Given the unreasonable parameters
Minerals 2024, 14, 331. https://doi.org/10.3390/min14040331
Alicja Szmigiel, Derek B. Apel
Flotation stands out as a successful and extensively employed method for separating valuable mineral particles from waste rock. The efficiency of this process is subjected to the distinct physicochemical attributes exhibited by various minerals. However, the complex combination of multiple sub-processes within flotation presents challenges in controlling this mechanism and achieving optimal effici
Minerals 2025, 15, 431
Murray Mulenga Bwalya, Oliver Shwarzkopf Samukute
The volatility of commodity prices has obligated primary metal producers to continuously seek ways of cutting costs in mineral processing units. Improving the wear characteristics and reducing the probability of grinding media fracture can potentially reduce production costs. Characterisation of the impact-loading environment and stress induced into the grinding media in SAG mills aids manufacture
Type of the Paper (Article
Zhe Liu, Lixia Li
Phosphate ores, regarded as critical mineral resources, play a vital role in various industrial applications. Apatite is the primary source of these phosphate resources and necessitates concentration before being processed into industrial products. Flotation is the predominant method for apatite concentration, yet the increasing proportion of fine apatite poses significant separation challenges fr
Comprehensive Comparison of Machine Learning Approaches—Deterministic and Stochastic—In Modeling the Production and Power of an SAG Mill: A Case Study of the Chilean Copper Mining Industry
Manuel Saldana, Edelmira Gálvez
SAG grinding mills represent critical energy-intensive operations in copper concentrators, accounting for 30%–50% of total plant energy consumption. The accurate prediction of mill power draw and production rate under varying operational conditions is essential for real-time control, production planning, and energy management. This study presents a comprehensive comparison of ML algorithms for mod
Comprehensive Comparison of Machine Learning Approaches—Deterministic and Stochastic—In Modeling the Production and Power of an SAG Mill: A Case Study of the Chilean Copper Mining Industry
Manuel Saldana, Edelmira Gálvez
SAG grinding mills represent critical energy-intensive operations in copper concentrators, accounting for 30%–50% of total plant energy consumption. The accurate prediction of mill power draw and production rate under varying operational conditions is essential for real-time control, production planning, and energy management. This study presents a comprehensive comparison of ML algorithms for mod
Minerals 2022, 12, 1052. https://doi.org/10.3390/min12081052
Jacek Galas, Dariusz Litwin
The paper is focused on the analysis of the relation between the stability of the flotation process and the efficiency of Machine Learning (ML) algorithms based on the flotation froth images. An ML process should enable researchers to construct Artificial Intelligence (AI) algorithms for flotation process control. The image of the flotation froth includes information characterizing the flotation p
Investigating Dynamic Behavior in SAG Mill Pebble Recycling Circuits: A Simulation Approach
Haijie Li, Gauti Asbjörnsson
The dynamics of milling circuits, particularly those involving Semi-Autogenous Grinding (SAG) mills, are not adequately studied, despite their critical importance in mineral processing. This paper aims to investigate the dynamic behavior of an SAG mill pebble recycling circuit under varying feed ore conditions, focusing on both uncontrollable parameters (such as ore hardness) and controllable para
Investigating Dynamic Behavior in SAG Mill Pebble Recycling Circuits: A Simulation Approach
Haijie Li, Gauti Asbjörnsson
The dynamics of milling circuits, particularly those involving Semi-Autogenous Grinding (SAG) mills, are not adequately studied, despite their critical importance in mineral processing. This paper aims to investigate the dynamic behavior of an SAG mill pebble recycling circuit under varying feed ore conditions, focusing on both uncontrollable parameters (such as ore hardness) and controllable para
Minerals 2022, 12, 1462. https://doi.org/10.3390/min12111462
Tawona Martin Jera, Clayton Bhondayi
In the attempt to process lower-grade ores, mineral flotation has taken centre stage as the preferred recovery route. However, in many instances, the froth product does not have a high grade due to the entrainment of gangue minerals. Industry has solved this challenge by introducing froth washing mechanisms. Clean wash water is introduced into or on top of the froth to reduce the amount of entrain
Type of the Paper (Article
Daniel Kowol, Piotr Matusiak
The article presents the results of research and development work conducted as part of the H2GEO project, aimed at creating a comprehensive technology for the processing of post-mining coal waste heaps. The core of the solution is a mobile density separation system based on a pulsating jig, enabling effective recovery of carbonaceous and mineral fractions. Laboratory experiments assessed the impac
Towards Zero Solid Waste in the Sedimentary Phosphate Industry: Challenges and Opportunities
Yassine Taha, Abdellatif Elghali
The phosphate industry produces huge volumes of waste, resulting in significant environmental impacts due to conventional surface landfilling practices. This review aims to examine the existing waste management practices within the phosphate sector, detailing the typology of waste streams, their characteristics, and potential applications. The study considers all waste generated during the lifecyc
Minerals 2021, 11, 194. https://doi.org/10.3390/min11020194
Paulina Vallejos, Juan Yianatos
This communication presents a model structure for the flotation recovery of middling particles (10–90% liberation). Fourteen datasets from the literature were studied (galena flotation), which involved different flotation systems and operating conditions. The flotation responses allowed the model flexibility to be evaluated under a range of recovery profiles. The modelling results showed that gale
Investigating the Wear Evolution and Shape Optimize of SAG Mill Liners by DEM-FEM Coupled Simulation
Xiao Mei, Huicong Du, Wenju Yao, Aibing Liu
The shell liner is a core component of Semi-Autogenous Grinding (SAG) mills, suffering severe wear from ore impact and friction, and its shape directly affects grinding efficiency and maintenance costs. In this study, the Finnie wear model in EDEM2022 software was improved to predict the wear morphology evolution of shell liners. A Python-based coupled simulation of the Discrete Element Method (DE
Minerals 2023, 13, 672. https://doi.org/10.3390/min13050672
Mahir Can Cetin, Bern Klein
Ore grades are monitored regularly in cave mines through drawpoint sampling. Automating grade monitoring through deploying X-ray fluorescence (XRF) sensors on the buckets of production loaders has been proposed as an alternative approach to address the issues around the traditional practice of drawpoint sampling. Bucket-mounted sensors can also be employed for bulk ore sorting underground. This st
Towards Zero Solid Waste in the Sedimentary Phosphate Industry: Challenges and Opportunities
Yassine Taha, Abdellatif Elghali
The phosphate industry produces huge volumes of waste, generating hundreds of millions of tons per year, which are typically landfilled, causing significant environmental impacts. This review examines current practices in phosphate waste management, the typology of waste streams, their characteristics, and potential applications. It encompasses all waste generated during the lifecycle of phosphori
Investigating the Wear Evolution and Shape Optimize of SAG Mill Liners by DEM-FEM Coupled Simulation
Xiao Mei, Huicong Du
The shell liner is a core component of Semi-Autogenous Grinding (SAG) mills, suffering severe wear from ore impact and friction, and its shape directly affects grinding efficiency and maintenance costs. In this study, the Finnie wear model in EDEM2022 software was improved to predict the wear morphology evolution of shell liners. A Python-based coupled simulation of the Discrete Element Method (DE
Minerals 2021, 11, 194. https://doi.org/10.3390/min11020194
Paulina Vallejos, Juan Yianatos
This communication presents a model structure for the flotation recovery of middling particles (10–90% liberation). Fourteen datasets from the literature were studied (galena flotation), which involved different flotation systems and operating conditions. The flotation responses allowed the model flexibility to be evaluated under a range of recovery profiles. The modelling results showed that gale
A Targeted Approach to Critical Mineral Recovery from Low-Grade Magnesite Ore Using Magnetic and Flotation Techniques
Mohammadbagher Fathi, Mostafa Chegini
As a critical mineral, magnesite plays a vital role in industries such as steelmaking, construction, and advanced technologies due to its high thermal stability and chemical resistance. However, the beneficiation of low-grade magnesite ores (~38.36% MgO) remains challenging due to the presence of iron, silica, and calcium-bearing impurities. This study proposes an integrated beneficiation strategy
Grinding Behavior and Potential Beneficiation Options of Bauxite Ores
Evangelos Petrakis, Georgios Bartzas
This laboratory study investigates selective grinding and beneficiation options for a Greek bauxite ore. First, a series of batch grinding tests were carried out in order to investigate the grinding behavior of the ore and the effect of the material filling volume (f c) on the distribution of aluminium- and iron-containing phases. Then, the ground ore was subjected to magnetic separation either as re
Optimization of High-Pressure Grinding Roll (HPGR) Performance in an Industrial-Scale HPGR/Tower Mill Comminution Circuit
Bo Wei, Zhitao Yuan
The integration of high-pressure grinding roller (HPGR) with pre-concentration techniques and stirred mills is recognized for its energy efficiency. Studies have suggested that the feed with a P80 around 1 mm is acceptable for stirred mills or coarse particle flotation. Nonetheless, published experimental data characterizing the comminution behavior of single-stage HPGR circuits configured with a
Efficient Multi-Modal Learning for Dual-Energy X-Ray Image-Based Low-Grade Copper Ore Classification
Xiao Guo, Xiangchuan Min
The application of efficient optical-electrical sorting technology for the automatic separation of copper mine waste rocks not only enables the recovery of valuable copper metals and promotes the resource utilization of non-ferrous mine waste, but also conserves large areas of land otherwise used for waste disposal and alleviates associated environmental issues. However, the process is challenged
Grinding Behavior and Potential Beneficiation Options of Bauxite Ores
Evangelos Petrakis, Georgios Bartzas
This laboratory study investigates selective grinding and beneficiation options for a Greek bauxite ore. First, a series of batch grinding tests were carried out in order to investigate the grinding behavior of the ore and the effect of the material filling volume (f c) on the distribution of aluminium- and iron-containing phases. Then, the ground ore was subjected to magnetic separation either as re
A Targeted Approach to Critical Mineral Recovery from Low-Grade Magnesite Ore Using Magnetic and Flotation Techniques
Mohammadbagher Fathi, Mostafa Chegini
As a critical mineral, magnesite plays a vital role in industries such as steelmaking, construction, and advanced technologies due to its high thermal stability and chemical resistance. However, the beneficiation of low-grade magnesite ores (~38.36% MgO) remains challenging due to the presence of iron, silica, and calcium-bearing impurities. This study proposes an integrated beneficiation strategy
Scale-Up of Decanter Centrifuges for The Particle Separation and Mechanical Dewatering in The Minerals Processing Industry by Means of A Numerical Process Model
Philipp Menesklou, Tabea Sinn
Decanter centrifuges are frequently used for thickening, dewatering, classification, or degritting in the mining industry and various other sectors. Their use in an industrial process chain requires a sufficiently accurate prediction of the product and the machine behaviour. For this purpose, experiments on a smaller pilot-scale are carried out for scale-up of a decanter centrifuge, which is usual
Editorial for Special Issue “Design, Modeling, Optimization and Control of Flotation Process”
Fardis Nakhaei, Ahmad Hassanzadeh
Flotation is a significant and widely used processing technique, effectively separating valuable and gangue minerals. The objective of this editorial is to address the challenges of monitoring and controlling the flotation process to ensure optimal conditions for effective mineral separation. The methodology includes evaluating numerous linear and nonlinear relationships between operating paramete
A Methodology to Determine the Potential for Particulate Ore Sorting Based on Intrinsic Particle Properties
Michael Duncan, David Deglon
Sensor-based particulate ore sorting is a pre-concentration technique that sorts particles based on measurable physical properties, resulting in reduced energy consumption by removing waste prior to grinding. This study presents an integrated methodology to determine the potential for ore sorting based on intrinsic particle properties. The methodology first considers the intrinsic sortability base
Type of the Paper (Article
Yusuf Enes Pural, Tania Ledezma
This study explores the application of machine learning techniques for predicting generic mill liner wear in semi-autogenous grinding (SAG) mills used in mineral processing. Various models were developed and compared using data from 143 liner measurements across 36 liner cycles from ten different SAG mills. The research initially focused on individual mill modeling, employing simple linear regress
Scale-Up of Decanter Centrifuges for The Particle Separation and Mechanical Dewatering in The Minerals Processing Industry by Means of A Numerical Process Model
Philipp Menesklou, Tabea Sinn
Decanter centrifuges are frequently used for thickening, dewatering, classification, or degritting in the mining industry and various other sectors. Their use in an industrial process chain requires a sufficiently accurate prediction of the product and machine behavior. This study aims to address the challenges associated with scaling up decanter centrifuges through both analytical methods and num
Type of the Paper (Article
Sheng Wang, Jiajia Wu
As high-grade gold deposits are progressively depleted, the proportion of refractory gold ores in total reserves is continuously increasing, making gold recovery from refractory ores an inevitable trend in the future development of the gold industry. This study briefly analyzes the challenges faced during the leaching process of refractory gold ores under ambient conditions, and provides a detaile
Editorial for Special Issue “Design, Modeling, Optimization and Control of Flotation Process”
Fardis Nakhaei, Ahmad Hassanzadeh
Flotation is a significant and widely used processing technique, effectively separating valuable and gangue minerals. Mineral producers have long sought ways to consistently monitor and control the flotation process to ensure optimal conditions for effective mineral separation. However, establishing such a sophisticated control system entails significant financial investments in equipment, resulti