copper minerals sulfide

Mineralogical characterization of copper sulfide tailings ...

2020-2-18 · As ore grades constantly decline, more copper tailings, which still contain a considerable amount of unrecovered copper, are expected to be produced as a byproduct of froth flotation. This research reveals the occurrence mechanism of copper minerals in typical copper sulfide tailings using quantitative mineral liberation analysis (MLA) integrated with scanning …

(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

Copper(I) Sulfide

2021-9-24 · Copper(I) sulfide is a copper sulfide, which is known as mineral chalcocite in nature. Copper and sulfur is a chemical compound; it has the chemical formula Cu 2 S.The sulfide or copper look of copper(I) is insoluble in water but decomposes in nitric …

Copper Sulfide Flotation

2016-4-13 · Flowsheet for treatment of Copper Sulfide ores rich in minerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is …

Oxidation of Copper Sulfides and Secondary Sulfide ...

Secondary copper sulfide enrichment is widely accepted today as resulting from oxidation of copper sulfide minerals, downward migration of soluble copper sulfates, and precipitation as copper sulfide by reaction with primary sulfide minerals. Chalcopyrite is replaced preferentially to pyrite. Examples of sulfide enrichment above the water table ...

Copper Sulfide

The common route for turning copper sulfide ores into metal is high temperature oxidation of sulfides to produce an impure liquid copper. This is cast into slab-like anodes. Principal impurities are iron and precious metals (gold and silver). The anodes are electrolytically refined in cells sketched in Fig. 8.There is a resemblance to the cell of Fig. 7.

Direct extraction of copper from copper sulfide minerals ...

2019-11-8 · Direct extraction of copper from copper sulfide minerals using deep eutectic Green Chemistry ( IF 10.182) Pub Date : 2019-11-08, DOI: 10.1039/c9gc03213d Syahrie Anggara, Francesca Bevan, Robert C. Harris, Jennifer M. Hartley, Gero Frisch, Gawen R. T. Jenkin, Andrew P. Abbott

DJURLEITE, A NEW COPPER SULPHIDE MINERAL

2012-5-21 · 342 Djurleite, a New Copper Sulphide Mineral the patterns show the same fundamental reflections as those of di genite and bornite (Morimoto and Kullerud, 1959)5), the distribution of subsidiary reflections is quite different. These subsidiary reflec tions, suggesting the existence of some kind of long range ordering, ...

COPPER Copper production

2008-12-16 · Flotation of non-sulfide copper minerals is rare because these ores are mostly subjected to hydrometallurgical copper recovery, for example, heap leaching. In Zambia and Zaire, however, siliceous copper oxide ores are floated with fatty acid collectors, and dolomitic copper oxide ores are sulfidized with sodium hydrogensulfide and then floated ...

Mining Industry | Copper Sulfide Ore and Flotation Process ...

2019-7-9 · 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of …

Bioleaching of copper sulfide minerals assisted by ...

A proof-of-concept of copper sulfide mineral bioleaching assisted by microbial fuel cells (MFCs) was demonstrated in current study. Simultaneous copper extraction and electricity generation were obtained in this bioleaching process, providing a novel approach for copper sulfide mineral …

THE LOCALIZATION OF COPPER AND SILVER SULFIDE …

2007-8-29 · The copper sulfi minerals most commonly encountered are chalco-cite, covellite, bornite and chalcopyrite. Grains of these tracer minerals may be accompanied by other non-sulfide copper minerals such as cu-prite, malachite, azurite, chrysocolla, turquoise and native copper. The problem of the identification of the copper sulfide minerals is ...

Oxygenated Leaching of Copper Sulfide Mineral under ...

2013-12-24 · the primary oxidizing agent for decomposition of the copper sulfide minerals [9, 10]. 2. Experimental The copper sulfide mineral was a chalcocite from Butte, Montana, supplied by Ward''s Natural Science Establishment, Inc. Its chemical composition was analyzed by ALS Chemex Labs, Inc., which showed that it contains 47.7% Cu, 21.4% S and 11.5 % Fe.

The effect of a novel depressant on the separation of talc ...

2019-1-21 · carboxymethyl cellulose (CMC) in the flotation of copper–nickel minerals from a low-grade Cu/Ni sulfide ore which contains talc, in the Tianlong Copper–nickel Mine. In addition, the adsorption mechanisms of SAG on chalcopyrite and talc were investigated by contact angle tests and zeta potential measurements as well as infrared spectrum ...

Flotation of mixed oxide sulphide copper-cobalt …

2019-11-22 · sulphide cobalt-bearing copper minerals occur together, efficient recovery of copper and cobalt is known to be extremely difficult. This study investigates the flotation behaviour of a mixed oxide-sulphide ore where copper is hosted in sulphides phases such as bornite, chalcopyrite and chalcocite, and oxide phases such as malachite and ...

Direct extraction of copper from copper sulfide minerals ...

2020-2-21 · Here we provide the first demonstration that electrochemistry in Deep Eutectic Solvents can solubilise and directly recover high purity copper from solution from three copper sulfide minerals: covellite (CuS), chalcocite (Cu2S) and chalcopyrite (CuFeS2). Cyclic voltammetry supported by EXAFS identifies the metal speciation in solution.

Copper ores

The main copper sulphide minerals are chalcopyrite (CuFeS2) chalcocite (Cu2S), covellite (CuS), bornite (Cu5FeS4), tetrahedrite ((Cu,Fe)12Sb4S13) and enargite (Cu3AsS4). The largest source of copper is from porphyry ore deposits in which one or a combination of the aforementioned minerals occurs. A typical copper sulphide ore contains various ...

Mining Industry | Copper Sulfide Ore and Flotation Process ...

Copper Sulfide Flotation - Mineral Processing & Metallurgy

Feasibility Study of Differential Flotation of Cu–Pb–Zn ...

2020-8-28 · In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite, galena, cerussite, hemimorphite and iron oxide minerals with 5.04% CuO, 1.61% PbO, 2.07% ZnO and 56.40% SiO 2.The experimental design methodology (RSM) was …

How to prepare copper sulfide?-Material Science news ...

2021-3-26 · Copper blue is a mineral composed of copper sulfide, and its copper content is 66%. It is an ore for refining copper. Copper blue is blue with metallic luster. It is generally flaky, or it is covered on other minerals or rocks like a film, or it can be like a mass of soot. Copper blue is mainly produced near other copper deposits. How to ...

Efficient activation of Peroxymonosulfate by copper sulfide …

2020-9-18 · Copper-containing minerals have been extensively used in Fenton-like processes for degradation of pollutants and have exhibited great potential for environmental remediation. This work reports the first use of copper sulfide (CuS), a typical Cu-mineral, for the activation of peroxymonosulfate (PMS) for pollutant degradation; the study also elucidates the underlying …

Surface properties of copper-sulfide minerals with sodium ...

 · NaHS is known as a flotation activator for copper-oxide minerals by sulfurizing their surfaces. This study focused on the surface properties before/after sulfurization by the NaHS at several NaHS dosages and alkaline pHs. Iron leaching and precipitates of copper–iron-sulfide minerals have also been investigated.

Surface properties of copper-sulfide minerals with sodium ...

The zeta potential of the copper sulfide minerals, chalcocite, covellite, chalcopyrite, bornite, enargite and tennantite was measured as a function of …

Mineralogy of Sulfides

2017-4-1 · Crucially, from an economic perspective, some horizons, notably the ''Merensky Reef'', are also enriched in platinum group minerals. Pyrite is the dominant sulfide in porphyry copper deposits, though it is chalcopyrite that is the most important ore mineral…

Surface properties of copper-sulfide minerals with sodium ...

2020-9-1 · 1. Introduction. Copper-sulfide minerals, such as chalcocite (Cu 2 S), bornite (Cu 5 FeS 4), and chalcopyrite (CuFeS 2) are important copper resources from copper mines (Fullston et al., 1999).Flotation tends to be used to recover and concentrate these minerals. Flotation is a separation method that uses the surface wettability property (hydrophobicity and hydrophilicity).

ROASTING OF SULFIDE MINERALS

ROASTING OF SULFIDE MINERALS In addition to common metals like copper, lead, zinc, and nickel a number of other metals such as antimony, bismuth, cadmium, cobalt, mercury, and molybdenum occur as sulfide minerals. Sulfides are not reduced with the most widely used redu-cing agents, carbon and hydrogen, because the free energy change for the ...

Direct extraction of copper from copper sulfide minerals ...

Direct extraction of copper from copper sulfide minerals using deep eutectic solvents† Syahrie Anggara, a Francesca Bevan, a Robert C. Harris, a Jennifer M. Hartley, ab Gero Frisch, b Gawen R. T. Jenkin c and Andrew P. Abbott * a

-Mineral phase analysis ...

:,,,.[J].,2021,11(2):80-86. zhao wei,cui deng-lin,feng ya-hui,YU Li.Mineral phase analysis of copper sulfide concentrate and study on its oxidation mechanism[J] inese Journal ...