copper sulfide mineral flotation

Chapter 12: Flotation of Copper Sulfide Ores | …

The most important economic copper minerals are chalcopy-rite, chalcocite, bornite and covellite. Table 12.1 lists the copper minerals of economic value. Copper sulfide ores, where the pyrite content can vary from 10% to 90%. The predominant sulfide mineral in this ore is pyrite, but may also contain pyrrhotite and mar-casite.12.3: FLOTATION PROPERTIES OF INDIVIDUAL COPPER …In most copper sulfide deposits, chalcopyrite is the primary copper mineral, while in a large majority of porphyry copper ores, chalcopyrite is a secondary copper mineral. In some cases, chalcopyrite is also present with bornite and covellite. Chalcopyrite from coarse-grained sulfide ores floats readily with xanthate collector in a pH region 5 ...

Enhanced sulfidation xanthate flotation of malachite using ...

2017-5-18 · The addition of ammonium salts is an effective way for enhanced sulfidation on the sulfide-xanthate flotation of copper ... reactions in the …Investigation of Mechanism of Adsorption of Xanthate and .. pper oxide minerals such as malachite do not respond well to the traditional copper sulfide collectors, and require alternative flotation schemes. In many copper ore mines, significant copper oxide minerals, especially malachite, are associated with sulfide minerals. Considering that xanthates are most widely used in the flotation of sulfide minerals as well as copper sulfide …

Flotation separation mechanism for secondary copper ...

1. Introduction. The high-sulfur secondary-sulfide copper ore collected from the Zijinshan copper mine in the Fujian province contains 0.4% copper, among which the main copper minerals were covellite and digenite with high pyrite content (up to 5.58%) .Several researchers had used flotation separation methods to enrich various minerals,,,, the daily process of mineral …DE-ZINCING OF LEAD-COPPER SULPHIDE MINERALS …DE-ZINCING OF LEAD-COPPER SULPHIDE MINERALS FLOTATION NGURAH ARDHA R & D Centre for Mineral and Coal Technology Jalan Jenderal Sudirman 623 Bandung 40211, Ph. 022 6030483, fax. 022 6003373 e-mail: [email protected] ABSTRACT Typical lead-copper-zinc sulphide minerals were found hard to be separated selectively by froth flotation in

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19 · ) 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. The resulting hydrophobic species is CuX. 1. Hydroxyl as depressant (OH-)Copper ores - DanafloatEffective flotation collector reagent selection is dependent on the sulphide minerals present, their mineral associations in the ore, and circuit characteristics. Because an ore typically has more than one copper sulphide mineral type, often a combination of sulphide flotation collectors is used to maximize metallurgical performance.

(PDF) Flotation of an Oxidized Copper Sulfide Ore

2022-2-9 · The flotation of four copper sulfide minerals (chalcopyrite, chalcocite, bornite, covellite) and pyrite with xanthates shows that a minimum in the …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 …

Chapter 12: Flotation of Copper Sulfide Ores | …

The most important economic copper minerals are chalcopy-rite, chalcocite, bornite and covellite. Table 12.1 lists the copper minerals of economic value. Copper sulfide ores, where the pyrite content can vary from 10% to 90%. The predominant sulfide mineral in this ore is pyrite, but may also contain pyrrhotite and mar-casite.Process mineralogy as a key factor affecting the flotation ...2019-4-12 · A. Bahrami et al., Process mineralogy as a key factor affecting the flotation kinetics of copper sulfide minerals 431 used for more than a century in the concentration of copper sulfide minerals [20]. This technique is based on the wetta-bility of minerals and is …

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 andProcess mineralogy as a key factor affecting the flotation ...2018-5-10 · The aim of this study is to apply process mineralogy as a practical tool for further understanding and predicting the flotation kinetics of the copper sulfide minerals. The minerals'' composition and association, grain distribution, and liberation within the ore samples were analyzed in the feed, concentrate, and the tailings of the flotation processes with two pulp …

Enhancing flotation separation of chalcopyrite and ...

2021-3-18 · As for the talc type Copper-Nickel Sulfide Ores, the talc entrained in flotation concentrate with foam will affect the grade of copper sulfide ore, so gum Arabic (GA) is a good depressant to .. lfide Ores - clariant Our alternatives have proven performance in the flotation of copper ores, polymetalic ores and gold associated to sulfides. HOSTAFLOT® collectors are formulated to achieve the best possible recovery and selectivity when needed. Our solutions encompass the flotation of ores containing lead, zinc, copper, nickel, cobalt.

(PDF) Flotation of an Oxidized Copper Sulfide Ore

2022-2-9 · 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 ...Flotation of copper sulfide minerals and pyrite with new ...Flotation results with single minerals are correlated with those for copper and pyrite from natural ores. Several novel collectors have now been developed for sulfide flotation in acid, neutral or mildly alkaline circuits. The results for four of these collectors, which have shown promise in commercial applications, are discussed in this paper.

Flotation of copper sulfide minerals and pyrite with new ...

Flotation results with single minerals are correlated with those for copper and pyrite from natural ores. Several novel collectors have now been developed for sulfide flotation in acid, neutral or mildly alkaline circuits. The results for four of these collectors, which have shown promise in commercial applications, are discussed in this paper.(PDF) A Review of the Flotation of Copper Minerals2022-2-12 · Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is …

Process mineralogy as a key factor affecting the flotation ...

2019-4-12 · A. Bahrami et al., Process mineralogy as a key factor affecting the flotation kinetics of copper sulfide minerals 431 used for more than a century in the concentration of copper sulfide minerals [20]. This technique is based on the wetta-bility of minerals and is …CHAPTER 7 FLOTATION OF SULPHIDE MINERALS - …2015-10-19 · ) 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. The resulting hydrophobic species is CuX. 1. Hydroxyl as depressant (OH-)

FLOTATION OF COPPER SULFIDE ORES

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 ...Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...2020-1-8 · Keywords: flotation, process optimization, Taguchi orthogonal array, ANOVA. 1. Introduction Froth flotation is widely used for separating base metal sulphide minerals in complex ores. One of the major challenges faced by the flotation of these ores is the ever varying grade and mineralogy as the ore is exploited (Kabuda et. al., 2011).

Minerals | Free Full-Text | Derivation of Flotation Kinetic Mod…

(PDF) A Review of the Flotation of Copper MineralsCopper Sulfide Flotation - Mineral Processing & Metallurgy2016-4-13 · Copper Sulfide Flotation Circuit. Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost …

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 …Minerals | Free Full-Text | Derivation of Flotation ...2020-11-18 · The wettability and floatability of oxidized chalcocite, bornite, and chalcopyrite with the conditions of sodium hydrosulfide (NaHS) dosages and pHs were studied by contact angle measurements, and single and mixture mineral flotation tests. To evaluate the results of the flotation, the flotation kinetic model for copper sulfide minerals treated by NaHS was derived.

Flotation and Tailing Discarding of Copper Cobalt Sulfide ...

and produced as a by-product of other sulfide mineral. Tijsseling et al. [2] studied an ox-ide-sulphide type cobalt-copper mixed ore. Different species of minerals associated to-gether, whereas the cobalt and cooper elements were hosted in diverse mineral phases, thus the separation of cobalt and copper minerals couldbe conducted by potential-con-FLOTATION OF COPPER SULFIDE ORES - STEPHAN CHEM …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 ...

DE-ZINCING OF LEAD-COPPER SULPHIDE MINERALS …

DE-ZINCING OF LEAD-COPPER SULPHIDE MINERALS FLOTATION NGURAH ARDHA R & D Centre for Mineral and Coal Technology Jalan Jenderal Sudirman 623 Bandung 40211, Ph. 022 6030483, fax. 022 6003373 e-mail: [email protected] ABSTRACT Typical lead-copper-zinc sulphide minerals were found hard to be separated selectively by froth flotation inMethod 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 ores

Effective flotation collector reagent selection is dependent on the sulphide minerals present, their mineral associations in the ore, and circuit characteristics. Because an ore typically has more than one copper sulphide mineral type, often a combination of sulphide flotation collectors is used to maximize metallurgical performance.Minerals | Free Full-Text | Derivation of Flotation ...2020-11-18 · The wettability and floatability of oxidized chalcocite, bornite, and chalcopyrite with the conditions of sodium hydrosulfide (NaHS) dosages and pHs were studied by contact angle measurements, and single and mixture mineral flotation tests. To evaluate the results of the flotation, the flotation kinetic model for copper sulfide minerals treated by NaHS was derived.

A study of the flotation characteristics of a complex ...

2020-12-8 · copper (ASCu) content of the ore, which is used as a proxy for oxide mineral content. An important finding in this study was that sulphide minerals are also prone to digestion during this analysis. Chalcopyrite was the major copper mineral in the HQ ore, constituting 3.9 %, but only 1.0 % of the LQ ore OTH FLOTATION : RECENT TRENDS Flotation of …2011-12-1 · flotation of sulphide minerals. It is established that xanthates decompose in acidic environment and hence, results lower flotation recovery. Through proper control of pulp pH, one sulphide can be selectively floated from other. As regards other reagents used in sulphide flotation, depressants like

Flotation and Tailing Discarding of Copper Cobalt Sulfide ...

and produced as a by-product of other sulfide mineral. Tijsseling et al. [2] studied an ox-ide-sulphide type cobalt-copper mixed ore. Different species of minerals associated to-gether, whereas the cobalt and cooper elements were hosted in diverse mineral phases, thus the separation of cobalt and copper minerals couldbe conducted by potential-con-Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...2020-1-8 · Keywords: flotation, process optimization, Taguchi orthogonal array, ANOVA. 1. Introduction Froth flotation is widely used for separating base metal sulphide minerals in complex ores. One of the major challenges faced by the flotation of these ores is the ever varying grade and mineralogy as the ore is exploited (Kabuda et. al., 2011).

Flotation of sulfide minerals

3. The process of claim 2 wherein the sulfide mineral is copper sulfide and the polyglycerol comprises, for each 100 parts by weight thereof, from about 55 to 80 parts by weight of a mixture of glycerol, diglyerol, triglycerol, tetraglycerol, and pentaglycerol, with the glycerol being present in an amount no greater than about 15 parts by ...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 …

12.3: FLOTATION PROPERTIES OF INDIVIDUAL COPPER …

In most copper sulfide deposits, chalcopyrite is the primary copper mineral, while in a large majority of porphyry copper ores, chalcopyrite is a secondary copper mineral. In some cases, chalcopyrite is also present with bornite and covellite. Chalcopyrite from coarse-grained sulfide ores floats readily with xanthate collector in a pH region 5 ...Flotation and Tailing Discarding of Copper Cobalt Sulfide ...and produced as a by-product of other sulfide mineral. Tijsseling et al. [2] studied an ox-ide-sulphide type cobalt-copper mixed ore. Different species of minerals associated to-gether, whereas the cobalt and cooper elements were hosted in diverse mineral phases, thus the separation of cobalt and copper minerals couldbe conducted by potential-con-

Sulfide Ores

Our alternatives have proven performance in the flotation of copper ores, polymetalic ores and gold associated to sulfides. HOSTAFLOT® collectors are formulated to achieve the best possible recovery and selectivity when needed. Our solutions encompass the flotation of ores containing lead, zinc, copper, nickel, cobalt.The separation of copper sulfide ore minerals from gangue ...The separation of copper sulfide ore minerals from gangue using magnetic nanoparticles functionalized with peptides selected via phage display : a proof of concept Greene, Robert Crandall Abstract Copper is one of the most important mineral resources.

Enhanced sulfidation xanthate flotation of malachite using ...

2017-5-18 · The addition of ammonium salts is an effective way for enhanced sulfidation on the sulfide-xanthate flotation of copper ... reactions in the …Estimated Water Requirements for the Conventional ...2012-5-3 · copper produced in the United States originated from flotation (Daniel E. Edelstein, Copper Commodity Specialist, U.S. Geological Survey, written commun., March 20, 2012). Copper sulfide ores must be concentrated before they can be …

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19 · ) 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. The resulting hydrophobic species is CuX. 1. Hydroxyl as depressant (OH-)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 ...