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The Impact of Moderate Thermophiles on the Production of Acid Mine Drainage and the Dissolution of Ni and Zn from Iron-Bearing Sulfide Minerals
A study was conducted to examine the impact of moderate thermophiles ( Sulphobacillus thermosulphidooxidans , Acidithiobacillus caldus , Leptospirillum...
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Advances in depressants for flotation separation of Cu-Fe sulfide minerals at low alkalinity: A critical review
The flotation separation of Cu-Fe sulfide minerals at low alkalinity can be achieved using selective depressants. In the flotation system of Cu-Fe...
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Mineralogy and Conditions of Formation Genesis of Aggregates of Natural and Sulfide Minerals of the Poldnevskoe Demantoid Deposit (Middle Urals)
AbstractPolymineral aggregates of rounded shapes (“nodules”) composed of native and sulfide minerals of Cu, Ni, Fe, Ag, and other elements from vein...
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Modification of Structural-Textural Properties of Sulfide Minerals at Polymetallic Concentrate Leaching with Sulfuric Acid and Hydrogen Peroxide Solutions
AbstractThis paper examines the effects of structural-textural characteristics of sulfide minerals on their leaching from polymetallic concentrates...
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Electrochemical behavior of silver during cyanidation in the presence of sulfide minerals
The present work focuses mainly on the study of electrochemical phenomena induced by the presence of sulfide minerals during silver cyanidation....
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Determining Modes of Thiol Collector Attachment at Sulfide Minerals by Optical, Electron Scanning and Laser Microscopy
AbstractThe optical, electron scanning and laser microscopy methods produced new experimental data on the adsorption layer generated by the chelating...
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Gold-Sulfide Mineralization in Banded Iron Formation at Girar, Bundelkhand Craton, India: Inferences from Field Observations and Petrography
Gold mineralization associated with quartz veins and sulfide minerals has been reported in Banded Iron Formation (BIF) at Girar, Bundelkhand Craton,...
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Autotrophic denitrification based on sulfur-iron minerals: advanced wastewater treatment technology with simultaneous nitrogen and phosphorus removal
Autotrophic denitrification technology has many advantages, including no external carbon source addition, low sludge production, high operating cost...
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Redox Activity of Iron Sulfide and Mn Oxide
Pyrrhotite is a common iron sulfide mineral in nature, which can be divided into hexagonal and monoclinic structure. Hexagonal pyrrhotite is also...
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Study of Nanosecond Repetitively Pulsed Discharges Effects on the Technological Properties of Sulfide Minerals from Low-Grade Copper-Nickel Ores
The pulsed energy impacts are promising methods for the pretreatment of refractory mineral raw materials (refractory ores and concentration products)...
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Extraction of Nickel from Ultramafic Nickel Sulfide Concentrate by Metallic Iron Addition
Abundant low-grade nickel sulfide ore reserves hold potential as nickel resources but are hindered by high magnesium silicate content, limiting...
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Analysis of Oxidation of Sulfide Minerals in Copper–Nickel Deposits
AbstractThe oxidation-induced alteration of properties of sulfide minerals is analyzed. The air-and-gas content and thermodynamic parameters of mine...
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Space weathering signatures in sulfide and silicate minerals from asteroid Itokawa
Transmission electron microscopy analyses of the polymineralic regolith particle RC-MD01-0025 show microstructural and microchemical characteristics...
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Floatability and Calculated Reactivity of Gold and Sulfide Minerals
AbstractThis paper presents the results of theoretical calculations of the reactivity of gold, molybdenite, stibnite, galena, chalcopyrite,...
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Iron isotopes constrain sub-seafloor hydrothermal processes at the Trans-Atlantic Geotraverse (TAG) active sulfide mound
Sub-seafloor hydrothermal processes along volcanically active plate boundaries are integral to the formation of seafloor massive sulfide deposits and...
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Catalytic Nickel–Iron–Sulfur Clusters: From Minerals to Enzymes
The geochemical theory of the origin of life proposes that primordial, pre-biotic reactions were carried out in a metal-sulfide-rich environment...
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Green Synthesis of Date Palm Seed Extract–Derived Iron Sulfide Nanoparticles for Effective Removal of Hexavalent Chromium
In this study, we investigated the removal of hexavalent chromium (Cr(VI)) through an innovative approach, which employed iron sulfide nanoparticles...
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Study on the Role of Quartz in the Bio-Oxidation of Sulfide Minerals From Mine Solid Waste
Sulfide-containing mine waste was oxidized to produce acid mine drainage, which lead to acidification of surrounding soil and downstream rivers and...
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Thermodynamic interaction and iron passivation mechanism of copper–cobalt sulfide concentrates during pressure leaching
Copper–cobalt sulfide flotation concentrate received from Comika Mining Kamoya project in Congo contains around 24.2% copper, 7.1% cobalt, 22.9%...
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Spartina alterniflora raised sediment sulfide in a tidal environment and buffered it with iron in the Jiuduansha Wetland
PurposeThe extensive invasion of Spartina alterniflora in coastal wetlands of China has posed a ruinous risk to biodiversity and ecosystem...
