flotation oxidised copper ore

Flotation behavior of the oxidized copper-cobalt-bearing ...

The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most influential parameters and their possible interactions.

Effect of Rinkalore Mixture on the Flotation of Mupine ...

In this study, flotation of oxidised ores rich in copper and cobalt from Mupine deposit in the Democratic Republic of Congo had been investigated. This ore contains 4.85% copper, 0.16% cobalt. The recovery of copper and cobalt was performed using flotation to increase the concentration of copper and cobalt.

Copper ores - Danafloat

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.

oxide copper flotation

Oxidised copper ore bodies may be treated via several processes, In general, froth flotation is not used to concentrate copper oxide A successful operational initiative in copper oxide flotation One of the main challenges in the copper oxide processing industry is implementation of a flotation method to …

A Multistage Sulphidisation Flotation Procedure for a Low ...

[7] M. Ray, "Memoirs of milling and process metallurgy: flotation of oxidized ores," Transactions of the Institute of Mining and metallurgy, vol. 88, C125-250, 1979. [8] M. H. Jones, J. T. Woodcock, "Optimisation and control of laboratory sulphidisation of oxidized copper ore with an ion selevtive electrode," in Proc. Australasian Institute of ...

sodium amyl xanthate copper flotation cells

Flotation of mixed copper oxide and sulphide minerals with . At a blend of 70% sulphide ore and 30% oxide ore, the rougher scavenger copper recovery was as high as 95.5%. The copper recovery from the blended ore using a mixture of collectors was shown to be superior to the recovery obtained using only xanthate after . Online Service

Review, Evolution and Optimization of the Kansanshi Mixed ...

sulphidisation for flotation of oxidized sulphides has also been demonstrated (Newell et al., 2006). When introduced in the slurry, the sulphidiser dissociates into -the species H 2 S, HS-or S 2, depending on the pH. These ions react with the copper oxide minerals to form a sulphide layer on the surface of

Treatment of Mixed Sulfide Oxide Ores of Copper

The oxide orebodies, in which the copper is present about half as sulfide and half as oxidized minerals, and where the recovery to be expected is 25 or 30 lb. per ton of ore, might well be treated first by the method used at New Cornelia, to recover the oxide copper, then reground and sent through the regular flotation operation.

Acid leaching of oxide–sulfide copper ore prior the ...

453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

Chacarilla-Flotation of Chacarilla copper ...

Abstract:A certain copper ore in Chacarilla area from Bolivia, with the high Cu content of 2.74%, belongs to one type of high grade and high mud content complex copper oxide ore.In order to make full use of the ore, the raw ore was classified and pre-discarded by 0.18mm., the barren rocks, which accounted for 47.03% of the raw ore (－0.18mm size fraction), could be pre-discarded, while …

(PDF) Flotation of an Oxidized Copper Sulfide Ore

Flotation of an Oxidized Copper Sulfide Ore . Ahmed A. Seifelnasr 1, Ghorashi Z. Zain 2, Abdel-Zaher M. Abouzeid *3. 1 Faculty of Petroleum and Mining Engineeri ng, Suez University, Suez, Egypt .

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY …

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. The ore with 4.21% copper grade used in this study was obtained from Çorum-Dangaz region of Turkey. Native copper, cuprite (Cu 2 …

|- flotation_flotation_flotation …

New 730E frother was used in the flotation tests of common oxidized copper ore, oxidized copper ore with high combination rate and carbonaceous slabby rock copper ore of Tangdan Copper Mine.. 730E 、 3 。

Flotation Conditioners of Oxidized Zinc and Lead Ore | CNFREE

The use of flotation conditioners process can increase the selectivity of the flotation process, enhance the effect of the collectors, and improve the conditions of the ore pulp. 1. Sulfurizing Reagent. Oxidized ore is generally formed by ionic bonding, and is highly hydrophilic. It is not easy to float oxidized ore with xanthate collector.

-Research progress on surface ...

Sulfidization flotation is the most economical and effective way to deal with oxidized copper ore. The quality of sulfidization directly affects the flotation index. In this paper, the common methods of sulfidization of copper oxide ore, the function of sulfidization and the reasons of inhibition caused by excessive sulfidization are described.

Copper ore Flotation process - YouTube

This flotation process is mainly composed of ball mill,flotation machine,shaking table,etc.Froth flotation process is applied to rough processing and concent...

Role of sodium sulfide in the flotation of oxidized copper ...

This paper reviews uses of sodium sulfide in the flotation of oxide minerals of copper, lead, and zinc. The activation and depression effects of sodium sulfide are of particular importance because of their applications with oxidized lead and copper ores. In spite of its industrial importance, the nature of the heterogeneous reactions between sulfide ions in solution and the surface of oxidized ...

Flotation of Copper oxide ore - Fodamon Machinery

The flotation of oxidized minerals is mostly carried out by a vulcanization process. Because of the high flotation speed of oxidized ore after sulfidation, concentrate products are directly produced in the first 1-2 tank of the first roughing.

How to Beneficiate Oxidized Copper Ores? - JXSC Machine

Separation flotation method can also achieve good results for refractory oxidized copper ore. It is to crush the mineral to a certain particle size, mix 0.1% ~ 1.0% salt and 0.5% ~ 2.0% pulverized coal, and heat it to about 900 ℃ in oxygen isolation. The copper in the ore will precipitate on the carbon particle surface in metal state.

|- flotation_flotation_flotation …

New 730E frother was used in the flotation tests of common oxidized copper ore, oxidized copper ore with high combination rate and carbonaceous slabby rock copper ore of Tangdan Copper Mine. 730E、3 。

Effect of Reagent Regime on Flotation Performance of ...

The study aimed to explore appropriate flotation reagents to recover copper minerals from a high content of slime and refractory oxidized copper ores. Based on the research on the properties of the material, the reagent regime was investigated and a technological flowsheet consisting of one roughing flotation, two concentrate flotation, three scavenging flotation and one concentrate-scavenging ...

Flotation Conditioners of Oxidized Zinc and Lead Ore

The use of flotation conditioners process can increase the selectivity of the flotation process, enhance the effect of the collectors, and improve the conditions of the ore pulp. 1. Sulfurizing Reagent. Oxidized ore is generally formed by ionic bonding, and is highly hydrophilic. It is not easy to float oxidized ore with xanthate collector.

(PDF) Flotation of mixed copper oxide and sulphide ...

Copper sulphide ores Flotation collectors From previous ﬂotation investigations of mixed copper oxide and sulphide minerals using xanthate and Mineral processing hydroxamate collectors it was hard to distinguish the impact of the alkyl hydroxamate collector on sul- Alkyl hydroxamates phide recovery as the sulphide and oxide minerals occurred ...

Evaluating the sulphidisation and flotation of oxidised ...

Due to its potential to improve flotation of the low quality oxide ores, it has been applied to flotation of oxidised copper sulphide ores as well over the years. Specific cases include John et al. (1991) on oxidised chalcopyrite at the Nchanga mine, Orwe et al. (1998) ...

Enhanced sulfidation xanthate flotation of malachite using ...

Deng, T. & Chen, J. Treatment of oxidised copper ores with emphasis on refractory ores. Miner Process Extract Metall Rev 7, 175–207, doi: …

The role of collectors in the flotation of partially ...

Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery, copper grade-recovery and acid soluble copper grade-recovery relationships and the Klimpel rate constant for copper recovery. Flotation characteristics of bornite rich Carolusberg copper sulphide ore from Okiep Copper Company (1.8% ...

FLOTATION OF OXIDIZED COMPLEX COPPER-LEAD- ZINC …

ore was tested. Low selectivity and recovery problems occur in the flotation of this copper-rich ore since it includes secondary copper minerals causing high degrees of surface oxidation. Also, this ore contains high amount of clay and mica minerals. In order to increase the flotation performance of this ore, the effects of different types of ...

Ore deposits formed by oxidation and supergene enrichment

Ore Deposits Formed by Oxidation and Supergene Enrichment · When ore deposits are exposed to the oxidation zone they are weathered and altered with the country rocks. · The surface waters oxidize many ore minerals and yield solvents that dissolve other minerals. · An orebody thus becomes oxidized and generally leached of many of its valuable materials down to the groundwater table, or to ...

Flotation of oxidized copper ores - Inspiration ...

We claim: 1. The method of recovering copper by froth flotation from an aqueous pulp of an ore containing both sulfide and oxidized minerals of copper which comprises subjecting an aqueous pulp of the ore to a first froth flotation operation in the presence of a collector for sulfide copper minerals, thereby producing a concentrate containing a large proportion of the sulfide copper minerals ...

EFFECT OF GRINDING CHEMISTRY ON THE SULPHIDISATION …

The effect of pulp chemistry on oxidised copper sulphide minerals and copper oxide minerals were first studied separately before examining a mixed system. The work completed on the oxidised sulphide mineral revealed that grinding pulp chemistry affects the flotation performance of the ore for each oxidation degree tested. For the