Results 101 to 110 of about 12,905 (231)

Effect and Mechanism of New Chalcopyrite Depressant GX3 on Flotation Separation of Copper and Molybdenum

open access: yesKuangchan zonghe liyong
In view of the problems of environmental pollution and large consumption of reagents in traditional chalcopyrite depressant, it is of great significance to develop new depressant to achieve effective separation of copper and molybdenum.
Wentao XU   +3 more
doaj   +1 more source

Chalcopyrite

open access: yes, 2022
Mineral specimen donated to the Colorado School of Mines Geology Museum by New Jersey Zinc Company.Photographed by Ed Raines.Specimen size: 6 1/4 x 5 x 2 inches.Plate of intergrown chalcopyrite crystals (many are tarnished to irredescent blues and ...
Raines, Ed
core  

Advancing green flotation: Separation of Cu-Pb minerals through the application of eco-friendly organic double reaction group depressant

open access: yesInternational Journal of Mining Science and Technology
Achieving efficient flotation separation of chalcopyrite and galena while maintaining environmental friendliness poses a challenge. This study utilized the environmentally friendly copolymer acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS)
Siqi Yang   +6 more
doaj   +1 more source

Oxidative dissolution of chalcopyrite by Thiobacillus ferrooxidans

open access: yes, 1999
The oxidative dissolution of research-grade chalcopyrite was characterized in respirometric and growth experiments with Thiobacillus ferrooxidans. In respirometric experiments with chalcopyrite, the pH of mineral salts medium increased to values that ...
Garcia, O. [UNESP]   +7 more
core   +1 more source

Electrolysis of chalcopyrite

open access: yes, 2018
Copper is one of the most important metals globally, due to its wide application range and excellent chemical properties. Today it is commonly produced from chalcopyrite concentrates by the pyrometallurgical route with high emissions of greenhouse gasses.
openaire   +1 more source

Electro-flotation of chalcopyrite

open access: yes, 1982
Electro-flotation tests were conducted on chalcopyrite particles with a modified Halhmond tube designed for electro-flotation, using platinum anode--copper cathode and graphite anode--copper cathode systems.
Khangaonkar, P R, Bhaskar Raju, G
core  

Study of Cu(In,Al)Se2 thin films prepared by selenisation of sputtered metallic precursors for application in solar cells

open access: yes
Cu-In, Cu-Al and Cu-In-Al metallic precursor layers were deposited using radio-frequency magnetron sputtering and selenised to produce thin films of CuInSe2 (CIS), CuAlSe2 (CAS) and CuIn1-xAlxSe2 (CIAS), respectively.
Aninat, Rémi
core  

Ternary chalcopyrite semiconductors

open access: yes, 2013
Ternary Chalcopyrite Semiconductors: Growth, Electronic Properties, and Applications covers the developments of work in the I-III-VI2 and II-IV-V2 ternary chalcopyrite compounds.
Shay, J L, Wernick, J H, Pamplin, B R
core  

Selective Separation of Metallic Phases from Chalcopyrite [PDF]

open access: yes, 2000
Owing to the environmental problems associated with copper extraction alternative processes are sought. The carbothermic reduction of natural chalcopyrite concentrates, from Ghatsila mines in Bihar, India, in the presence of lime, was studied across ...
Payne, Nicola
core  

An investigation into the ferric leaching of chalcopyrite : a sub-process in the bioleaching of chalcopyrite

open access: yes, 2001
Bibliography: leaves 70-79.The current focus of research in the UCT Minerals Bioprocessing Research Unit is to develop an understanding of the chalcopyrite bioleaching sub-processes.
Jeevaratnam, Elizabeth Geethika
core  

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