Enhanced removal of Fe, Cu, Ni, Pb, and Zn from acid mine drainage using food waste compost and its mechanisms
Available online 2 November 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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Application of clay minerals as adsorbents for removing heavy metals from the environment
September 2024
The harmful effects of heavy metals on the environment have attracted considerable attention. Adsorption is an effective method for removing heavy metals from water and soil. Clay minerals are abundant...
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Factor of safety analysis for mine pillar considering the influence of the intermediate principal stress component
September 2024
Failure of mine pillars, especially in deep underground mines, significantly threatens the safety of miners and equipment. Previous studies on mine pillar stability design have used classical constitutive...
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Influence of water-to-binder ratios on the performance of limestone calcined clay cement-based paste for mining applications
September 2024
This study aims to investigate the impact of various water-to-binder (w/b) ratios by mass (0.3–2.0) on the performance of limestone calcined clay cement (LC3) pastes. The flowability, setting time,...
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Sustainability and South Africa’s mature mines: The innovation imperative
September 2024
Given the current reserves, numerous South African Witwatersrand gold and Bushveld platinum mines have a shorter remaining lifespan than the period they have been in full production. This situation...
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Key technologies and development trends for efficient flotation recovery of lepidolite
September 2024
Lepidolite is an essential lithium resource with diverse applications in lithium-ion batteries, ceramics, glass, and other industrial sectors. Efficient flotation of lepidolite is crucial for the extraction...
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Machine learning based prediction of flyrock distance in rock blasting: A safe and sustainable mining approach
September 2024
Flyrock is a significant environmental and safety concern in mining and construction. It arises from various geological and blast design factors, posing risks to workers, machinery, and nearby structures....
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Ecofriendly leaching agents for copper extraction—An overview of amino and organic acid applications
September 2024
The green transition’s push for electrification has substantially increased the demand for copper, making it a critical raw material. This extravagant demand has made it profitable to extract copper...
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Research progress on carbon dioxide mineralization sequestration technology by tailings
September 2024
Carbon dioxide capture, utilization, and storage (CCUS) has become a focal point of research for scientists worldwide to address the global warming issue. Among these studies, utilizing mine tailings...
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Delving into the role of microwave curing on the strength and cement hydration features of cemented tailings backfill
September 2024
Cemented tailings backfill (CTB) comprises tailings, binders, and water and is filled into goaves to regulate the ground pressure and ensure production safety. Thus, shortening the curing time of CTB...
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Reverse cationic flotation of low-grade phosphate ore using quaternary ammonium salt as a collector and its adsorption mechanism
September 2024
A novel quaternary ammonium salt collector, LH-01, was employed for the reverse cationic flotation of a magnesium-depleted concentrate (P2O5 grade of 19.72wt%, SiO2 content of 44.26wt%). We achieved...
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Clay minerals regulating the performance of tribo-composites: A review
June 2024
The exponential increase in the amount of research focused on clay-mineral-based tribo-composites has offered an unprecedented opportunity for their use in automobile, coating, lubricant, and mechanical...
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Identifying mining-induced chromium contamination in soil through visible-near infrared spectroscopy and machine learning
June 2024
The extraction, purification, and utilization of mineral resources have been among the largest anthropogenic sources of chromium (Cr) in soil. Determining Cr contamination in soil is a key issue prior...
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Selective extraction of lithium from shale gas produced water using an aluminum-based adsorbent
June 2024
Two-dimensional layered aluminum-based adsorbents have been developed and successfully applied to enrich low-concentration lithium from shale gas produced water. The adsorbent, synthesized with a lithium-to-aluminum...
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Efficient flotation separation of lead–zinc oxide ores using mineral sulfidation reconstruction technology: A review
June 2024
Oxidized lead and zinc resources have been underutilized for a long time. With the rapid depletion of the lead–zinc sulfide ores, there is an urgent need to increase the efficient utilization of lead–zinc...
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Potential and future direction for copper resource exploration in China
June 2024
Copper deposits in China are mostly small- and medium-sized, with few large-scale ones. The average grade is low, with only 16.2% of rich copper resources (grade >1%). This article systematically summarizes...
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Advancing toward sustainability: The emergence of green mining technologies and practices
June 2024
This study comprehensively evaluates the integration and effectiveness of green mining technologies within the mining sector, specifically focusing on mitigating the environmental impact of traditional...
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Research advancement of efficient flotation separation technologies for magnesium-containing minerals
June 2024
As high-grade magnesite and brucite resources (hereinafter referred to as magnesium-containing minerals) are decreasing annually, developing flotation separation technologies capable of efficiently...
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Discrete element method simulation of granular materials considering particle breakage in geotechnical and mining engineering: A short review
June 2024
Discrete element method (DEM)-based simulations are crucial for bridging macro and micro research, particularly owing to the limitations of experimental methods. This paper reviews the simulation techniques...
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Guidance and review: Advancing mining technology for enhanced production and supply of strategic minerals in China
March 2024
Mineral resources, often referred to as “industrial food,” play a pivotal role in the national economic construction sector. Specifically, strategic minerals (SMs) bear a direct influence on the development...
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Research progress and prospects of intelligent technology in underground mining of hard rock mines
March 2024
Minerals are the material foundation for advancing human civilization, the starting point of the manufacturing supply chain, and strategic resources essential for national security and economic progress....
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Novel recovery of a low-concentration gold thiosulfate complex through electroreduction via a walnut shell charcoal electrode
March 2024
Low-concentration Au(S2O3)23− recovery is an urgent issue to facilitate the application of thiosulfate leaching instead of cyanide leaching in factories. Herein, this work presents a novel recovery...
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Key theory and technology of cemented paste backfill for green mining of metal mines
March 2024
To reduce or eliminate environmental damage during mining processes, green mining practices have emerged as a focal point in China’s metal mining research. Cemented paste backfill technology plays a...
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Current supply status, demand trends and security measures of chromium resources in China
March 2024
Chromium, a strategic mineral resource in China, is widely used in high-precision equipment manufacturing. As the world’s leading consumer and importer of chromite, China’s external dependence exceeds...
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Enhanced leaching of copper from refractory oxidized copper ore by calcium fluoride: Behavior and mechanism
March 2024
The Luanshya area of Zambia is rich in copper oxide resources. However, copper mainly exists in biotite and phlogopite, which presents challenges for efficient extraction. To improve the leaching rate...
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