Influence of particle grading of core-derived rock specimens on cement-based paste filling-rock interfacial behavior, strength acquisition, and microstructural progress
Available online 12 September 2026
Evaluation of core samples obtained from drilling operations at mining sites during backfill design is crucial for identifying potential mechanical and environmental risks of these fillings in advance....
Hierarchically assembled montmorillonite nanosheet/chitosan composites with tunable pore structures for enhanced 2,4-dichlorophenol removal
Available online 9 September 2026
A hierarchical adsorbent based on montmorillonite nanosheets/chitosan (MMTNS/CS) composites was prepared using an ultrasonic exfoliation-assisted self-assembly strategy. Under the combined effects of...
Standardizing UAV hyperspectral data for monitoring post-mining environments: A reproducible preprocessing framework
Available online 8 September 2026
Unmanned aerial vehicle (UAV)-based hyperspectral sensing offers high spatial resolution and operational flexibility for monitoring mine waste, surface water, vegetation, and infrastructure. This study...
CT imaging-based analysis of nonlinear flow in fragmented rock accumulations for smart CO₂ sequestration in mining goafs
Available online 5 September 2026
In response to the global push for carbon neutrality, green mining technologies such as CO2 sequestration in abandoned goaf areas have emerged as promising Carbon Capture, Utilization, and Storage (CCUS)...
Selective flotation separation of magnesite and quartz by quaternary ammonium surfactant octadecyldimethylhydroxyethyl ammonium nitrate: TOF-SIMS unveils interfacial hydrophobization and selective adsorption mechanism
Available online 3 September 2026
To address the poor selectivity of conventional collectors in magnesite desilication, octadecyldimethylhydroxyethyl ammonium nitrate (ODHA) was employed for magnesite–quartz separation. Microflotation,...
Multifunctional gel beads derived from coal gangue–phosphorus tailings layered double hydroxides for Cd(II) immobilization
Available online 1 September 2026
Remediating heavy metal-polluted soils requires not only effective contaminant immobilization but also water conservation and fertility restoration. In this study, polyacrylamide-layered double hydroxide...
Green and efficient recovery of valuable metals and alumina carrier from spent hydrogenation catalyst particles via deep eutectic solvent strategy
Available online 31 August 2026
Conventional recycling technologies for spent hydrogenation catalysts (HDCs) focus on complete recovery of valuable metal components. However, recovery of carrier particles from spent HDC particles...
Tetramethylthiourea as a highly selective collector for the flotation separation of chalcopyrite from pyrite under low-alkalinity conditions
Available online 27 August 2026
Traditional flotation processes for copper sulfide minerals often employ lime or cyanide as pyrite depressants, leading to challenges such as excessive reagent consumption, environmental pollution,...
Mitigating strength degradation in high-sulfur tailings cemented paste backfills using sulfate-resistant cement and fly Ash
Available online 27 August 2026
In modern mining, proper management of mine tailings, especially high-sulfur tailings, is crucial for environmental protection and resource utilization. When high-sulfur tailings are used for backfilling,...
Intelligent pre-selection based on spodumene UV fluorescence and improved MT-YOLOv11 algorithm to promote the development of smart green mining: From lab to industrial applications
June 2026
Lithium (Li) is an essential resource for energy storage; however, traditional flotation processes for spodumene are inefficient and environmentally expensive. This study aims to develop an intelligent,...
Synergistic adsorption of cationic dyes using montmorillonite/sodium alginate dual-network aerogels: Mechanistic insights and performance evaluation
June 2026
The rapid expansion of light industries has led to a dramatic increase in dye-contaminated wastewater, creating an urgent need for innovative and scalable remediation technologies. In this work, we...
Structural evolution drives functional activation of oil shale semicoke as natural organic/inorganic nanocomposites
June 2026
Oil shale semicoke (OSSC) is a naturally occurring organic/inorganic nanocomposite with potential for sustainable functional applications, yet its high-value utilization is limited by an insufficient...
Artificial neural network modeling of rare earth element solvent extraction based on pH and extractant concentration
June 2026
Rare earth elements (REEs), which comprise 15 lanthanides together with scandium and yttrium, are commonly separated by solvent extraction, in which the equilibrium distribution coefficients (lg D)...
A weighted ML–Kriging 3D geological model integrated with deep iterative optimization
June 2026
“Transparent geology” underpins intelligent mine blasting by enabling the precise classification of rock mass blastability and optimal matching of explosive energy. To advance transparency of geological...
Research progress on selective flocculation–flotation of fine-grained minerals
June 2026
Fine-grained minerals, characterized by small particle size, large specific surface area, and high surface energy, often exhibit low bubble–particle collision efficiency, extensive nonselective reagent...
A new rock brittleness index based on energy evolution and crack development characteristics
June 2026
Reliable evaluation of rock brittleness is crucial for understanding rock failure behavior and ensuring the stability and safety of underground mining and rock engineering. However, no universally accepted...
Preparation, performance enhancement, and applications of mineral-based aerogels: A review
June 2026
Aerogels, an important class of ultra-lightweight porous functional materials, have attracted extensive research attention and have been widely applied in adsorption, catalysis, energy storage, and...
Experimental study on the adsorption of Pb2+ by multifunctional grafted sisal fibers and verification in tailings cemented paste backfill
June 2026
Lead–zinc tailings (LZT), which pose a toxic element pollution risk, represent a significant environmental challenge in mining areas. This study proposes a novel strategy to enhance the Pb2+- fixation...
Modern mining sustainability: An integrated framework for technology innovation, operational trade-offs, and implementation barriers
Available online 27 June 2026
Mining is entering a phase in which decarbonisation, safety, and productivity targets are being pursued through tightly coupled technological and governance changes. This paper develops and applies...
An intelligent approach to prediction of tailings dam displacement safety using dynamic preventive control modeling
March 2026
Tailings dams are a critical infrastructure for mining enterprises, and their safety directly affects production security and environmental protection. However, owing to the loose nature of dam materials...
Review of conveyor belt fires in coal mines: A multiscale analysis of combustion, smoke propagation, and intelligent monitoring
March 2026
Coal remains the foundation of Chinese energy infrastructure, with production expected to reach 4.78 billion tons in 2024. However, underground mining operations continually face fire hazards, particularly...
Selective flotation of chalcopyrite and molybdenite: A review of depressant applications
March 2026
Copper and molybdenum are critical strategic metals essential to emerging industries and national defense. They are primarily extracted from chalcopyrite (CuFeS2) and molybdenite (MoS2), respectively....
A review on path planning and intelligent navigation of deep-sea mining vehicle
March 2026
Deep-sea polymetallic nodules are characterized by their high grade and enormous reserves, and their commercial development is of great significance in addressing the shortage of terrestrial resources....
Preparation of sustainable backfill cementitious materials: Mix proportion optimization, hydration mechanism, and sustainability assessment
March 2026
Using cement as a filling cementitious material is challenging because of high energy consumption, high cost, and considerable carbon emissions. Thus, a new type of filling cementitious material, which...
Dominant fracture size and equivalent DFN modeling for coal-rock mass: A discrete element study based on CT scanning
March 2026
The mechanical properties of coal-rock masses are strongly affected by discontinuous structural defects such as joints and fractures. Identifying the dominant fractures allows for the simplification...