Mechanism and properties of novel ionic liquid for zinc leaching: Experimental and molecular dynamics simulations
Available online 9 June 2025
The innovative application of choline chloride and para-toluenesulfonic acid (ChCl–pTSA) as a novel leaching agent for zinc (Zn)–containing dust sludge was investigated. The selective Zn leaching mechanism...
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Microwave-assisted organic-acid leaching of major and critical elements from olivine: Characteristics, kinetics, and method comparison
Available online 6 June 2025
Olivine has become a promising source of Ni and Co for catering to the increased global demand for critical minerals in recent years. The performance of microwave-assisted leaching of major elements,...
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Leaching of Li-bearing sedimentary claystones using organic acids
Available online 6 June 2025
Sedimentary claystones are a significant Li source. Currently, conventional sulfuric acid leaching is preferred for the extraction of Li from claystone; however, there are certain environmental concerns...
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Effect of prefabricated fractured rock dip angles on mechanical properties and failure modes under dynamic and static loads
Available online 27 May 2025
With the gradual depletion of shallow geological resources, their development has increased. However, it is difficult to control the stability and bearing capacity of deep-stratum fissure rock bodies...
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Mechanical properties and damage evolution of rock–backfill composite under impact load
Available online 26 May 2025
The combined failure of rocks and backfills significantly affects the safety of underground mining. Based on the finite difference method (FDM)–discrete element method (DEM) coupled numerical simulation...
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Recent advances in oxidation pretreatment and flotation separation of metal sulfide ores
Available online 26 May 2025
Mineral flotation plays a pivotal role in mineral processing. The oxidation of sulfide ores can alter the surface properties of minerals, thereby optimizing their separation efficiency. This paper provides...
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Enhancement of arsenopyrite oxidation by pyrite through changing composition and structure of passivation layer
Available online 26 May 2025
Avoiding the formation of a passivation layer comprising intermediate products and secondary minerals is a principal challenge in preoxidizing arsenical gold ores. Due to the similar crystal, pyrite...
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Quantitative determination of CH4 production and CO2 storage in coal mine goaf: A CO2-ECBM recovery model that considers zonal permeability
Available online 17 May 2025
Injecting CO2 into a coal mine goaf can not only recover residual CH4 but also satisfy the effect of CO2 geological storage in abandoned mines. To reveal the gas–solid couplings during CO2-enhanced...
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In-situ cementation backfill of alkali-inspired ultrafine copper tailings: Performance and principles
Available online 16 May 2025
Ultrafine copper tailings (UTCT) are a type of bulk solid waste containing heavy metals, discharged from copper refining industries. Large stockpiles of these tailings pose significant environmental...
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Multi-objective optimization for ore blending schemes in the open-pit phosphate mine using an improved NSGA-II algorithm
March 2025
To tackle the challenges of varying phosphate ore characteristics and significant fluctuations in raw ore grade, research has focused on optimizing ore blending from multiple unloading points. Given...
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Organic minerals: Definitions, classifications, and characteristics
March 2025
Organic minerals are crystalline substances with C–C, C–H, and/or C–N bonds formed from geological processes in nature, specifically natural crystalline hydrocarbons, salts of organic acids, and metal–organic...
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Experimental and molecular dynamics simulation insights into enhanced flotation of sulfidized smithsonite in a Cu–Pb dual activation system
March 2025
The limited active sites on the smithsonite surface pose significant challenges to the interaction between collectors and the mineral surface, resulting in suboptimal flotation recovery. This study...
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An investigation of nanobubble treatment on fine particle flotation and associated mechanisms
March 2025
Flotation efficiency strongly depends on the collision and attachment probabilities of particles with bubbles, and ultrafine particles cannot easily float due to their low probability of collision....
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A review on the electrochemical analysis of sulfide minerals—Pyrite, chalcopyrite, and galena
March 2025
This review provides an overview of the electrochemical analysis of sulfide minerals—pyrite, chalcopyrite, and galena—from 2020 to 2024 and focuses on applications in flotation, leaching, and weathering....
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Advances in the preparation and application of coal gasification slag-based adsorbent materials
March 2025
With the development of the coal chemical industry, the emission of coal gasification slag (CGS) has grown rapidly, raising widespread concerns about environmental pollution and resource waste. The...
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Life-cycle assessment in mining and mineral processing: A bibliometric overview
March 2025
Mining and mineral processing have major environmental impacts that must be assessed and mitigated. A fundamental tool in this context is life-cycle assessment (LCA), a methodology designed to quantify...
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Stability analysis and strength optimization of cemented tailings backfill in high-temperature mining
March 2025
To investigate changes in stope stability and cemented tailings backfill (CTB) strength during deep metal mine mining using the filling method in a high-temperature environment, this study analyzed...
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Enhanced removal of Fe, Cu, Ni, Pb, and Zn from acid mine drainage using food waste compost and its mechanisms
December 2024
Heavy metals (HMs) in acid mine drainage (AMD) pose serious threats to aquatic life and soil. Biosorbents are promising materials to remove HMs from wastewater. Herein, food waste compost was used as...
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Exploring digital twin systems in mining operations: A review
December 2024
Constant attempts have been made throughout human history to find solutions to complex issues. These attempts resulted in industrial revolutions and the transition from manual labor to machines and...
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A time scale regard on percussion drilling
December 2024
This paper examines the performance of three families of percussive drilling methods, Churn (CD), Down-the-Hole (DTH), and Top-Hammer (TH), through the prism of time scales. These time scales characterize...
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Highly efficient CO2 capture on acid-treated sepiolite impregnated with mixed polyethyleneimine and diethanolamine
December 2024
Amine-functionalized solid adsorbents exhibit broad prospects in CO2 capture from flue gases due to their high adsorption capacity and selectivity. However, reported adsorbents are still facing challenges,...
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Recent research progress on the direct carbon capture of steel slag to prepare building materials
December 2024
Driven by the “dual carbon” and “green metallurgy” targets, the steel industry feels the pressure of carbon emission reduction and steel slag resource utilization. Since the year 2000, accelerated carbonation...
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Research progress in the utilization of red mud-based materials in wastewater treatment
December 2024
Red mud (RM) is a highly alkaline solid waste generated during alumina production. With the rapid development of the alumina industry, RM production has increased dramatically, reaching a rate of 120–150...
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Experimental study on the early compressive strength, fluidity, and microstructure of multisource coal-based solid waste cemented backfill
December 2024
The production of coal-based solid waste (CBSW) from coal mining operations poses a significant threat to the ecological environment in mining regions. This research addresses the proper management...
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Advances in mineral-based composite phase change materials for energy storage: A review
December 2024
Phase change materials offer high energy-storage density and maintain a constant temperature during energy storage; however, they face many challenges, such as leakage issues and low thermal conductivity...
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