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
doaj +1 more source
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
doaj +1 more source
Post-depositional tectonic modifications of VMS deposits in Iberia and its economic significance [PDF]
, 2011 The original stratigraphic relationships and structure of VMS deposits are commonly obscured by deformation. This can also affect their economic significance, as shown by several Iberian Pyrite Belt (IPB, SW Iberia) examples.
Castroviejo Bolibar, Ricardo +2 more
core +2 more sources
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
doaj +1 more source
Sulfur isotope rations of sulfide minerals from the deposit of the Tsuchikura mine, Shiga Prafecture, Japan [PDF]
, 1998 Sulfur isotope rations of sulfide minerals in the ore specimens from the deposit of the Tsuchikura mine are distrib-uted in a range from -0.8 to 5.4%, mostly from +0.5 to 3.0%, close to the previous data (from +1 to +3%) by Miyake and Sasaki (1980).
Harada, Kaori +2 more
core +1 more source
Limited role of sessile acidophiles in pyrite oxidation below redox potential of 650 mV
Scientific Reports, 2017 Pyrite oxidation by mixed mesophilic acidophiles was conducted under conditions of controlled and non-controlled redox potential to investigate the role of sessile microbes in pyrite oxidation.
Chang Liu +6 more
doaj +1 more source
The Morphological Characteristics of Authigenic Pyrite Formed in Marine Sediments
Journal of Marine Science and Engineering, 2022 Pyrites are widely distributed in marine sediments, the morphology of which is applied as a proxy to infer the redox conditions of bottom water, and identify diagenetic stages and hydrocarbon leakage activities.
Jingyi Chang, Yuanyuan Li, Hailong Lu
doaj +1 more source
Development and use of in situ laser sulfur isotope analyses for pyrite-anhydrite geothermometry: An example from the pyrite deposits of the Cameros Basin, NE Spain [PDF]
, 1999 We describe a system for the in situ sulfur isotope analysis of small (>100 μm) anhydrite crystals and investigate its application to anhydrite-pyrite geothermometry. Anhydrite inclusions (
Rodas González, Magdalena +6 more
core +1 more source
Study of the kinetics of pyrite oxidation under controlled redox potential [PDF]
, 2015 An experimental study of the ferric oxidation kinetics of pyrite was conducted under controlled redox potentials of 700, 800 and 900 mV (vs. SHE).
Ruan, Renman +4 more
core +1 more source