Results 11 to 20 of about 2,720 (168)

Microwave improving copper extraction from chalcopyrite through modifying the surface structure

open access: yesJournal of Materials Research and Technology, 2020
Microwave-assisted leaching as a green and efficient method for leaching chalcopyrite has attracted increasing attention. Researchers have actively explored the reasons why microwaves have a positive impact on copper extraction.
Tong Wen   +6 more
doaj   +1 more source

Research Status of the Effect of Typical Impurity Minerals and Ions on Chalcopyrite Leaching

open access: yesKuangchan zonghe liyong, 2022
Chalcopyrite is often associated with some impurity minerals such as pyrite, quartz, carbonateand silicate minerals, and the presence of these minerals will affect the leaching of chalcopyrite.
Hongguang Leng   +3 more
doaj   +1 more source

Chalcopyrite Dissolution at 650 mV and 750 mV in the Presence of Pyrite

open access: yesMetals, 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

Kinetics of nitric acid leaching of bornite and chalcopyrite

open access: yesChimica Techno Acta, 2023
The paper presents a study of the process of nitric acid dissolution of the natural minerals chalcopyrite and bornite. The influence of various parameters, including temperature, nitric acid concentration and particle sizes, on this process was examined.
Yuri Shklyaev   +4 more
doaj   +1 more source

Bioleaching of Chalcopyrite-bornite and Chalcopyrite-pyrite Mixed Ores in The Presence of Moderately Thermophilic Microorganisms

open access: yesInternational Journal of Electrochemical Science, 2017
In this work, bioleaching of chalcopyrite-pyrite and chalcopyrite-bornite mixed ores in the presence of moderately thermophilic microorganisms (A.caldus, L.ferriphilum and mixed culture) were carried out.
Yulin Huang   +9 more
doaj   +1 more source

Flotation separation of chalcopyrite and molybdenite by externally controlled potential method

open access: yes工程科学学报, 2019
Chalcopyrite-molybdenite separation has always been a major difficulty in mineral processing. At present, chemical agents are commonly used to regulate the pulp potential.
SONG Kun   +4 more
doaj   +1 more source

Flotation Separation of Chalcopyrite and Molybdenite Assisted by Microencapsulation Using Ferrous and Phosphate Ions: Part I. Selective Coating Formation

open access: yesMetals, 2020
Porphyry Cu-Mo deposits, which are the most important sources of copper and molybdenum, are typically processed by flotation. In order to separate Cu and Mo minerals (mostly chalcopyrite and molybdenite), the strategy of depressing chalcopyrite while ...
Ilhwan Park   +4 more
doaj   +1 more source

Kinetics of chalcopyrite galvanic leaching using sulfate media at the low temperature in the GalvanoxTM process [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2016
In this research work, the dissolution of chalcopyrite was investigated under atmospheric pressure, with sulfate media at low temperatures, in 30°C to 50°C.
Soghra Salehi   +2 more
doaj   +1 more source

Effect of the Water Hardness Level on Chalcopyrite Flotation Inhibition by the Disodium Carboxymethyl Trithiocarbonate

open access: yesSeparations, 2023
Disodium carboxymethyl trithiocarbonate (DCMT) is considered to have the potential to replace sulfide and cyanide as a new chalcopyrite inhibitor. However, the effect of its application in the industrial field is often not ideal, mainly because the ...
Yonghai Wang   +4 more
doaj   +1 more source

Geochemistry and genesis of the Hongguleleng Manto-type Cu deposit, West Junggar, Xinjiang, China

open access: yesJournal of Asian Earth Sciences: X, 2021
The Hongguleleng Cu deposit is a Manto-type deposit in the Central Asian Orogenic Belt, located in the east section of West Junggar, Xinjiang, China.
Jinheng Sun   +5 more
doaj   +1 more source

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