Copper Sulfide Flotation - 911 Metallurgist

2016-4-13  Copper Sulfide Flotation Circuit. The pulp from the Conditioner is treated in a 10-cell “Sub-A” Flotation Machine and a 4-cell “Sub-A” Flotation machine. Sometimes conditioners are not provided; however, their use insures that reagents are thoroughly mixed into the pulp ahead of flotation.

Flotation of Copper Sulfide Ores Semantic Scholar

Flotation properties of individual copper minerals and associated sulfides from natural ores differ significantly. The mineralogy of the ore mineral impurities in a crystal structure, variation in crystal structure, other interfering gangue minerals, and the liberation characteristics of individual minerals in a particular ore are some of the factors that influence flotation properties of an ...

FLOTATION OF COPPER SULFIDE ORES - STEPHAN

The process of mineral flotation comprising the steps of grinding a copper-bearing sulfide ore material to release the metal values from a gangue containing iron pyrites, adding water and calcium oxide to adjust the pH to about 7 to 11.5, passing air bubbles through the solution and adding flotation promoter comprising R - (OCH 2 CHCH 3) N-OSO 3 Na and a frother thereto, where R is a C 8 - C 10 fatty alcohol and N approximates 10 and floating said copper

Evaluation of flotation collectors for copper sulfides

1987-8-1  The flotation of four copper sulfide minerals (chalcopyrite, chalcocite, bornite, covellite) and pyrite with xanthates shows that a minimum in the collector concentration necessary for flotation usually occurs at about C-5 (amyl) to C-8 (octyl) for the straight chain xanthates.

Evaluation of flotation collectors for copper sulfides

1987-8-1  These latter investigators showed that the flotation of copper sulfides and pyrite is influenced by both the N- and O-alkyl substituents which control hydrophobicity and

Flotation of Copper and Molybdenum Sulfides

2019-4-21  Large tonnages of copper and molybdenum sulfide ore are treated by flotation. Substantial savings could be realized, particularly in high-capacity concentrators, by use of a simplified flotation technique involving lower reagent consumption.

Flotation separation of copper–molybdenum sulfides

2015-11-1  However, to our knowledge there is not any report about the application of chitosan in the flotation separation of copper–molybdenum sulfides. Thus, in the present study, chitosan was chosen as a depressant in copper–molybdenum sulfide separation using single minerals and Jiama copper–molybdenum sulfide ore samples to determine its possibility to be an effective selective

FLOTATION OF COPPER AND NICKEL SULFIDES FROM

FLOTATION OF COPPER AND NICKEL SULFIDES FROM TALCOSE BEARING ORES . United States Patent 3696922 . Abstract: A method for the flotation of nickel and copper sulphide minerals from talcose bearing ores using an alkaline circuit in which at least one of the alkaline reagents is soda ash or ammonium hydroxide and following conditioning of the pulp ...

Potential-Controlled Flotation and Depression of

2013-7-18  The complete behavior of flotation and depression of copper sulfides and oxides as a function of potential modified by sodium hydrosulfide in certain non-xanthate collector systems was studied using a sulfide ion electrode (SIE). Detailed flotation tests on three diverse copper ores, using different types of collectors, and two Cu–Mo ...

Flotation separation of Cu-Mo sulfides by O

Abstract The flotation separation of molybdenite from copper sulfide minerals (mostly chalcopyrite) typically relies on the use of toxic inorganic depressants such as cyanides and sodium sulfide/hydrosulfide. In this work, a nontoxic, biodegradable and cost-effective derivative of the natural polysaccharide chitosan, O-Carboxymethyl chitosan (O-CMC), is investigated as an alternative ...

Experimental Study on Flotation of Copper Sulfides in ...

The copper ore, which has fine-grained nature and differences in the degree of mineral dissemination, is a kind of low grade sulfide minerals. Tests indicate that not only the grinding fineness but also the combination mode of depressants is one of the most important factors to improve the concentrate grade index. Additionally, according to tests conducted with dosage of lime, the rougher ...

Flotation of Copper and Molybdenum Sulfides

2019-4-21  Scoping tests with this ore showed that the “frother only” approach would be difficult to apply successfully to flotation of copper sulfides. Grinding the ore in the mild steel mill to 68.7% -200 mesh and subsequently submitting the clayey pulp to aeration did not result in copper recoveries higher than 8%.

Potential-Controlled Flotation and Depression of

2013-7-18  The complete behavior of flotation and depression of copper sulfides and oxides as a function of potential modified by sodium hydrosulfide in certain non-xanthate collector systems was studied using a sulfide ion electrode (SIE). Detailed flotation tests on three diverse copper ores, using different types of collectors, and two Cu–Mo ...

Coarse-particle flotation applied to copper sulfide ores

2020-12-9  The largest source of copper supply worldwide comes from copper produced through flotation processes. It is estimated that more than 82% of primary copper production comes from concentration by flotation processes. In Peru, the latest mining megaprojects have been concentrator plants (Cerro Verde, Las Bambas, Constancia, Antapaccay, and so on).

METHOD OF COPPER SULFIDE ORE FLOTATION -

A novel flotation promoter used in the concentration of copper bearing ores for the efficient selective flotation of copper values, including chalcopyrite, with suppression of iron pyrites; the promoter comprising a sodium sulfate of an aliphatic hydrocarbon having a carbon chain in excess of 12 carbons and chemically combined with at least one mole of the C 2--C 3 alkylene oxides.

AU2352235A - Flotation of copper sulfides with nickel ...

flotation activators nickel copper sulfides sulfides Prior art date 1935-07-16 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Application number AU23522/35A Inventor August Brinker Frederic

flotation of copper sulfides - szokbojanowo.pl

flotation of copper sulfides

Copper Sulfide Flotation - Mineral Processing Metallurgy. Copper Sulfide Flotation Circuit Beneficiation of Copper Sulfide by Flotation Copper, due to the present world demand and price, is of foremost interest to the mining industry. Many new properties are either in the process of being brought into ...

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

2020-1-8  2. 2. Flotation Procedure All the flotation test-work was done using the Denver laboratory machine with a 1.5l stainless steel flotation cell. The required mass of nickel-copper sulphide ore material ground to 70% passing 75 µm was weighed and placed in the flotation cell. This was followed by the addition of distilled water to about

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19  Flotation of Chalcocite (Cu 2 S) Chalcocite (Cu 2 S) and chalcopyrite (CuFeS 2) are the two most commonly floated copper sulphide minerals. Bornite (Cu 5 FeS 4) and covellite (CuS) and energite (Cu 3 AsS 4) are normally present in lesser quantities. The complete flotation of chalcocite is achieved between ph = 1 to ph = 10 with ethyl xanthate.

Copper Sulphide Ore Reagents For Copper Flotation

Copper Sulphide Ore Reagents For Copper Flotation. After two minutes flotation a copper grade of 5.2 per cent with 52 per cent recovery could be attained, against a grade of 2.5 per cent and a recovery of 44 per cent in the case of kax.the efficiency of this new collector has been ascertained on two samples of complex sulphide ores of.

flotation of copper sulfides - sbd-energetyk.pl

flotation of copper sulfides_Copper Sulfide Flotation Mineral Processing in MiningBeneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of

FLOTATION OF COPPER AND NICKEL SULFIDES FROM

A method for the flotation of nickel and copper sulphide minerals from talcose bearing ores using an alkaline circuit in which at least one of the alkaline reagents is soda ash or ammonium hydroxide and following conditioning of the pulp with a collecting agent of the xanthate family to activate the nickel and copper sulphide materials, the pulp is conditioned with a flocculating agent to ...

Potential-Controlled Flotation and Depression of

2013-7-18  The complete behavior of flotation and depression of copper sulfides and oxides as a function of potential modified by sodium hydrosulfide in certain non-xanthate collector systems was studied using a sulfide ion electrode (SIE). Detailed flotation tests on three diverse copper ores, using different types of collectors, and two Cu–Mo ...

Flotation separation of Cu-Mo sulfides by O

Abstract The flotation separation of molybdenite from copper sulfide minerals (mostly chalcopyrite) typically relies on the use of toxic inorganic depressants such as cyanides and sodium sulfide/hydrosulfide. In this work, a nontoxic, biodegradable and cost-effective derivative of the natural polysaccharide chitosan, O-Carboxymethyl chitosan (O-CMC), is investigated as an alternative ...

Method of flotation of sulfide copper-zinc ores

(57) Abstract: Usage: mineral processing, in particular flotation of copper-zinc sulphide ores and products. Method of flotation of sulfide copper-zinc ores includes the conditioning of the pulp in a calcareous environment with reagents-regulators sulfur, sodium, and zinc sulfate, the introduction of collector and Frother and subsequent separation with separation of copper minerals in the ...

Copper Sulphide Ore Reagents For Copper Flotation

Copper Sulphide Ore Reagents For Copper Flotation. After two minutes flotation a copper grade of 5.2 per cent with 52 per cent recovery could be attained, against a grade of 2.5 per cent and a recovery of 44 per cent in the case of kax.the efficiency of this new collector has been ascertained on two samples of complex sulphide ores of.

FINE SULFIDES IN THEIR FLOTATION P. Somasundaran,

2004-2-4  loss in the flotation of the 85% minus 44 ~ feed is in the minus 5 p.'t1 size fraction (1). The problem of loss of finely disseminated values during sulfides processing has been illustrated best by Arbiter recently in his discussion of the processing of New Brunswick zinc-lead-copper ores

GALVANIC INTERACTIONS OF SULFIDE MINERALS IN

2010-9-13  The copper flotation concentrates produced at Lubin Concentrator are of polymetallic and polymineral composition. They contain chalcocite (Cu2S) and bornite (Cu5FeS4) as dominating copper sulfides, whereas chalcopyrite (CuFeS2) and covellite (CuS) are minor minerals (KGHM, 2007; Łuszczkiewicz, 2009). Moreover, in recent

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

2014-12-24  RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan M.S., Department of Mining Engineering Supervisor: Prof. Dr. Mustafa Ümit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching.

Multidimensional Optimization of the Copper Flotation in

2021-4-3  flotation process conducted in a Jameson cell was the subject presented in [32]. To this end, we used taxonomic methods, which are an innovative approach to optimize the process. Copper grade in concentrate (E), copper grade in tailings (- ), and copper recov-ery in a concentrate (H) were selected as factors for the evaluation of the flotation per-