Results 31 to 40 of about 29,721 (224)

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

Colloidal CuFeS2 Nanocrystals: Intermediate Fe d-Band Leads to High Photothermal Conversion Efficiency [PDF]

open access: yes, 2016
We describe the colloidal hot-injection synthesis of phase-pure nanocrystals (NCs) of a highly abundant mineral, chalcopyrite (CuFeS2). Absorption bands centered at around 480 and 950 nm, spanning almost the entire visible and near infrared regions ...
Almeida, G.   +10 more
core   +4 more sources

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

Enrichment in critical metals (In-Ge) and Te-Se in epithermal deposits of the 'La Carolina' district, San Luis, Argentina [PDF]

open access: yes, 2018
This study was supported by the ‘Proyecto de Ciencia y Técnica P-3-2-0414, of the National University of San Luis’ and by the Project CGL2016-76532-R from the MINECO of ...
Cepedal Hernández, María Antonia   +3 more
core   +2 more sources

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

A theoretical model of the linear electro-optic effect [PDF]

open access: yes, 1982
A simple theoretical study of the linear electro-optic effect is presented. This semiclassical approach is based on the single-energy-gap model, the dielectric theory and the concepts of bond charge and effective ionic charge.
Shih, Chun-Ching, Yariv, Amnon
core   +1 more source

Effect of microwave-assisted heating on chalcopyrite leaching of kinetics, interface temperature and surface energy

open access: yesResults in Physics, 2017
The microwave-assisted leaching was a new approach to intensify the copper recovery from chalcopyrite by hydrometallurgy. In this work, the effect of microwave-assisted heating on chalcopyrite leaching of kinetics, interfacial reaction temperature and ...
Tong Wen   +6 more
doaj   +1 more source

Argentinean copper concentrates: structural aspects and thermal behaviour [PDF]

open access: yes, 2013
In Argentina, there are many sources of copper concentrates. Some of them are currently in operation, while others are in the exploration stage. All copper concentrates produced are exported to other countries for copper refinement and to create various ...
Bazan Brizuela, Vanesa Lucia   +3 more
core   +1 more source

Effect of Ultrasonic Treatment on the Floatability of Chalcopyrite with Different Degrees of Oxidation

open access: yesKuangchan zonghe liyong
Chalcopyrite is prone to surface oxidation during storage, which changes the surface properties and floatability of chalcopyrite, affects the subsequent flotation behavior and the adsorption of reagents on the surface of chalcopyrite.
Zhiwei QI   +3 more
doaj   +1 more source

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