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Surface Modification of Galena Concentrate, Sphalerite Concentrate, and Silica by the Bacterium Citrobacter sp. and Its Application to Green Flotation of Complex Pb–Zn Ores
AbstractIn the present work, a biosurfactant-producing and sulfur-oxidizing mixotrophic bacterium (identified as Citrobacter sp.) was studied as...
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Mantle-to-crust metal transfer by nanomelts
The transfer of chalcophile metals across the continental lithosphere has been traditionally modeled based on their chemical equilibrium partitioning...
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Sulfide Mineral Bioflotation Optimization and Prediction by Mixed Mesophilic Bacteria as a Green Alternative for Chemical Reagents
In recent years, applying biotechnological and environmentally friendly processes as an alternative to hazardous chemical usage such as cyanide in...
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Maximum electrodeposition capacity of Pb on a stainless-steel cathode using a galvanostatic regime
Lead (Pb) is considered one of the most hazardous heavy metals for the environment and the animal health. Galena (PbS) represents the most common...
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Assessing the geochemical and environmental baseline of heavy metals in soils around hydrothermal hematite–barite–galena veins in Baghin area, Kerman, Iran
To assess the geochemical and environmental baseline as well as the availability of the heavy elements in soils around the hematite–barite–galena...
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Implication of the Triassic–Liassic rifting and Pangea breakup on the geodynamic, tectonic and mineralogical evolution of the Zeida Pb–Zn, Ba deposit (Upper Moulouya, Morocco)
The Zeida Pb–Zn, Ba stratiform deposit is part of the Upper Moulouya mining district at the junction of the Middle Atlas and the Central High Atlas....
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Neighborhood-scale lead (Pb) speciation in Akron, Ohio (USA) soils: primary sources, post-deposition diagenesis, and high concentrations of labile Pb
Lead (Pb) poses a significant risk to infants and children through exposure to contaminated soil and dust. However, there is a lack of information on...
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Machine learning-based prediction of toxic metals concentration in an acid mine drainage environment, northern Tunisia
In northern Tunisia, Sidi Driss sulfide ore valorization had produced a large waste amount. The long tailings exposure period and in situ minerals...
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Mineralogical Characteristics and Oxygen Pressure Acid Leaching of Low-Grade Polymetallic Complex Chalcopyrite
The aim of present article is to explore a method for efficient selective separation and extraction of valuable components in low-grade polymetallic...
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A typical case study from smelter–contaminated soil: new insights into the environmental availability of heavy metals using an integrated mineralogy characterization
Mineralogy was an important driver for the environmental release of heavy metals. Therefore, the present work was conducted by coupling mineral...
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Characterization of Mine Waste from a Former Pb–Zn Mining Site: Reactivity of Minerals During Sequential Extractions
An integrated mineralogical and chemical characterization approach was applied to different types of mine waste collected from the ancient Pb–Zn...
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Soils and spoils: mineralogy and geochemistry of mining and processing wastes from lead and zinc mining at the Gratz Mine, Owen County, Kentucky
PurposeMineralogical and geochemical features of mining and processing wastes collected in Owen County, part of the Central Kentucky Lead–Zinc...
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Supernormal enrichment of cadmium in sphalerite via coupled dissolution-reprecipitation process
Supernormal enrichment of cadmium in sphalerite is frequently observed in some sedimentary-hosted zinc-lead deposits, although related fluid process...
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Analysis of tectonic fracturing in the Mibladen ore deposit (Upper Moulouya, Morocco) and its impact on the Pb–Ba mineralization emplacement
The MVT Pb–Ba mineralizations of the Mibladen ore deposit are hosted by Jurassic carbonates as well as Infracenomanian conglomerates and sandstones....
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New data regarding the identification of critical raw materials recoverable from raw, processed and the waste mining industry materials from Romania
Several EU initiatives focused on renewable energy, sustainable infrastructure and green transport require a sustainable supply of a wide range of...
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Release and re-enrichment of invisible gold in arsenian pyrite promoted by coupled dissolution-reprecipitation reactions
The mechanisms responsible for invisible gold enrichment driven by coupled dissolution-reprecipitation reaction (CDR) are debated. Here we report the...
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Assessment of the ecological risk and mobility of arsenic and heavy metals in soils and mine tailings from the Carmina mine site (Asturias, NW Spain)
An evaluation of the pollution, distribution, and mobility of arsenic and heavy metals in spoil heaps and soils surrounding the abandoned Carmina...
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Edaphic properties as pieces of evidence of tailings deposit on soils
Mine tailings are one of the primary contaminant sources of heavy metals and metalloids in the soil. Besides increasing the concentration of...
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Behavior and Kinetics of Copper During Oxygen Pressure Leaching of Complex Chalcopyrite Without Acid
In this paper, a novel process leaching complex chalcopyrite without acid under oxygen pressure is proposed, and the leaching behavior and kinetic...
