Zn-Pb-Cu sulfide-bearing glacial sandstone erratics near Raahe on the western coast of Finland: Indicators of Paleozoic base metal mineralization at the bottom of the Bothnian Bay [PDF]
Bulletin of the Geological Society of Finland, 2019 Over the past tens of years, glacial sandstone erratics variably enriched in Zn, Pb and Cu have been collected from the coast south of Raahe, but their source has remained ambiguous.
Eero Hanski +7 more
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Руды и металлы, 2022 The Mutnovskoe deposit is one of the largest and most prospective ore deposits in South Kamchatka. The northern and southern flanks within the main veining zone Opredelyayushchaya, composed of low-sulfide (gold-silver) and sulfide-polymetallic (gold ...
Ksenia O. Shishkanova +2 more
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Effect of Oxidation on Floatability of Sphalerite and its Mechanism
Kuangchan zonghe liyong[Objective]In order to clarify, the oxidation of sphalerite and its influence on floatability, [Method] the sphalerite was oxidized in air, water, potassium permanganate and aqueous hydrogen peroxide solution, respectively.
Ziyuan LIU +4 more
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Competitive adsorption mechanism of organic depressant SDD with BX on copper-activated sphalerite
工程科学学报, 2018 The separation of Cu-Zn polymetallic sulfide by flotation has been a difficult and well-researched topic in the field of mineral processing. One of the important reasons why it is difficult to separate Cu and Zn is the presence of a large amount of ...
LUO De-qiang +3 more
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Leaching and thermal decomposition of mechanically activated sphalerite-pyrite mixture [PDF]
Acta Montanistica Slovaca, 1997 The effect of mechanical activation and pyrite addition on the thermal decomposition and acid leaching of sphalerite was studied. Mechanical activation enhances both hydrometallurgical and pyrometallurgical processing of sphalerite.
Balá Peter
doaj
MINERALOGICAL AND GEOCHEMICAL FEATURES OF SULFIDE CHIMNEYS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS) [PDF]
Минералогия, 2019 Three mineral types of hydrothermal chimneys (pyrite-chalcopyrite, pyrite-sphalerite-chalcopyrite and chalcopyrite-pyrite-sphalerite) form a continuous mineralogical range in ores from the Yubileynoe deposit.
A.S. Tseluyko +5 more
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Activation of Sphalerite by Ammoniacal Copper Solution in Froth Flotation
Journal of Chemistry, 2016 The activation of sphalerite particles by ammoniacal copper solution (ACS) was investigated in this study. This microflotation study was conducted on a single sphalerite mineral with the particles size of 38 μm to 75 μm.
Xian Xie, Kai Hou, Bo Yang, Xiong Tong
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Modeling of Structure, Thermodynamic Properties and Phase Transition Temperaturesof II-VI Crystals [PDF]
Журнал нано- та електронної фізики, 2016 The work is devoted to the theoretical calculations and experimental study of important thermodynamic parameters of II-VI crystals. Cubic sphalerite and hexagonal wurtzite cluster models of polymorphs for stoichiometric II-VI crystals (ZnX, CdX; X = S ...
T.O. Parashchuk
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Status of Ecosystem Services in Abandoned Mining Areas in the Iberian Peninsula: Management Proposal
Toxics, 2023 An abandoned sphalerite mining area in the southwest (SW) of the Iberian Peninsula was studied to evaluate the impact that the presence of metal(loid)s has on soil and ecosystem health.
María González-Morales +2 more
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Angewandte Chemie, EarlyView.A photocatalytic approach for efficient one‐pot direct lignin depolymerization and subsequent cross‐coupling with alcohols for the production of unsymmetrical aromatic diols has been demonstrated. ABSTRACT Conversion of lignin into chemical products typically involves two separate steps, such as depolymerization and subsequent upgrading of monomers ...
Hongji Li +7 more
wiley +2 more sources