Results 11 to 20 of about 31,421 (268)
COARSE-CRYSTALLINE PYRITE OF CENTRAL TIMAN [PDF]
Минералогия, 2021 The results of mineralogical, geochemical, X-ray, isotopic and spectroscopic studies of coarse-crystalline pyrite (Kyvvozh Formation, Dimtem’el Creek, Central Timan) are presented. Pyrite is characterized by cubic habit and zonal Co distribution.
R.I. Shaybekov +5 more
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Pore Characterization of Pyrite in the Longmaxi Formation Shale in the Upper Yangtze Area of China
Frontiers in Earth Science, 2022 Pyrite is widely distributed in the Longmaxi marine shale in the Upper Yangtze area of China. Pyrite, one of the important components of shale, has an important influence on the enrichment of shale gas.
Xin Chen +12 more
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Origin of pyrite nodules at the top of the nantuo diamictites, Southern China
Scientific Reports, 2021 Pyrite nodules up to 20 cm in diameter are found at the top of the Marinoan (~ 635 Ma) Nantuo glacial diamictite as well as in the cap dolostones and shale/siltstones in the lower Doushantuo Formation in eastern Guizhou, southern China. Field occurrences,
Changjie Liu, Ying Lin
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Nanomaterials, 2021 Iron pyrite is a cheap, stable, non-toxic, and earth-abundant material that has great potential in the field of photovoltaics. Electrochemical deposition is a low-cost method, which is also suitable for large-scale preparation of iron pyrite solar cells.
Zheng Lu +7 more
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The effect of quartz on the flotation of pyrite depressed by serpentine
Journal of Materials Research and Technology, 2015 The effect of quartz particles on the flotation of pyrite depressed by serpentine has been investigated through flotation tests, adsorption tests, zeta potential measurements and DLVO calculation.
Bo Feng, Yiping Lu, Xianping Luo
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Energies, 2023 As one of the crucial factors contributing to coal spontaneous combustion, the oxidation of pyrite is a complex process involving multiple reactions, particularly in the presence of oxidants (Fe3+ and O2) and bacteria. However, experimental results based
Mengya Ma +3 more
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Selective flotation of chalcopyrite from pyrite via seawater oxidation pretreatment
International Journal of Mining Science and Technology, 2023 The flotation separation of chalcopyrite from pyrite has attracted increasing attention due to the consumption of vast water resources and depressants.
Wanqing Li +4 more
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Chalcopyrite Dissolution at 650 mV and 750 mV in the Presence of Pyrite
Metals, 2015 The dissolution of chalcopyrite in association with pyrite in mine waste results in the severe environmental issue of acid and metalliferous drainage (AMD).
Yubiao Li +3 more
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Thermal Behavior of Pyrite in the CO2 and N2 Atmosphere for Obtaining Pyrrhotite: A Magnetic Material [PDF]
Materials Research, 2018 In the southern of Brazil the coal is composed of a large amount of pyrite (FeS2), an environmental problem for this region because the pyrite turns a waste.
Eunice Machado de Oliveira +4 more
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