flotation using flocculants for copper sulphide ore

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Copper Sulfide Flotation - Mineral Processing & Metallurgy

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

Flotation of mixed copper oxide and sulphide minerals

2009-3-1 · The ore mined is from a primary copper sulphide deposit with separate additional deposits of copper oxides. In conjunction with Ausmelt Chemicals, Minto is currently investigating options to recover copper oxide and sulphide minerals using flotation by blending their primary sulphide ore with oxide ores. The blend used in this laboratory scale ...

(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

Flotation of a copper sulphide ore from Okiep using thiol ...

2009-8-26 · Flotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The Journal of The South African Institute of Mining and Metallurgy VOLUME 105 NON-REFEREED PAPER MARCH 2005 201 Figure 1—The final cumulative copper recovery vs. collector dosage obtained with C2-X, di-C2-DTP and di-C2-DTC in the flotation of the Okiep copper ore

Flotation of mixed oxide sulphide copper-cobalt minerals ...

2019-11-22 · Flotation of mixed oxide sulphide copper-cobalt minerals using xanthate, dithiophosphate, thiocarbamate and blended collectors L.T. Tijsseling, Q. Dehaine, G.K. Rollinson, H.J. Glass⁎ UniversityofExeter,CamborneSchoolofMines,Penryn,CornwallTR109FE,UnitedKingdom ARTICLE INFO Keywords: Mixed oxide sulphide ore Flotation Copper Cobalt QEMSCAN ...

Flotation Regulator: PH Regulators, Activators ...

2021-9-26 · In the selection of lead-zinc sulfide ore, priority flotation is used, galena is selected to suppress sphalerite and pyrite, and the pH of the slurry is adjusted to between 8-10. Using sodium carbonate instead of lime not only maintains the pH stability of the pulp but also avoids the inhibitory effect of Ca2+ on lead minerals. 3. Sulfuric Acid

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19 · sulphide ore the galena can be floated first at higher using cyanide to prevent sphalerite and pyrite from floating. Then activation of sphalerite with copper sulphate and high pH to depress pyrite enables a sphalerite concentrate to be made. Finally a lowering of pH can enable a pyrite concentrate to be made if required.

AN INVESTIGATION OF COPPER RECOVERY FROM A

2010-1-19 · provide an optimum flotation response for the natural ore. The collectors were: potassium amyl xanthate (PAX), Cytec Promoter 6494 hydroxamate and DETA. The copper recovery, malachite recovery, minor copper recovery and copper grade responses

Molecular modelling and synthesis of a new collector O ...

Molecular modelling and synthesis of a new collector O-butyl S-(1-chloroethyl)carbonodithioate for copper sulfide ore and its flotation behavior X. Chi, Y. Guo, S. Zhong, G. Li and X. Lv, RSC Adv., 2020, 10, 3520 DOI: 10.1039/C9RA09648E . This article is licensed under a ...

Copper Mining and Extraction Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of

Copper Sulfide Flotation - Mineral Processing & Metallurgy

2016-4-13 · Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The

The effects of polyacrylamide flocculants on sulphide ...

The effect of polyacrylamide on flotation of a copper-molybdenum ore was investigated in a series of batch flotation tests. Flocculant concentrations up to 10 parts per million did not lower either concentrate grade or recovery. The presence of an oil phase from the

Flotation of mixed copper oxide and sulphide minerals

2009-3-1 · The ore mined is from a primary copper sulphide deposit with separate additional deposits of copper oxides. In conjunction with Ausmelt Chemicals, Minto is currently investigating options to recover copper oxide and sulphide minerals using flotation by blending their primary sulphide ore with oxide ores. The blend used in this laboratory scale ...

Flotation of mixed oxide sulphide copper-cobalt minerals ...

2019-11-22 · Flotation of mixed oxide sulphide copper-cobalt minerals using xanthate, dithiophosphate, thiocarbamate and blended collectors L.T. Tijsseling, Q. Dehaine, G.K. Rollinson, H.J. Glass⁎ UniversityofExeter,CamborneSchoolofMines,Penryn,CornwallTR109FE,UnitedKingdom ARTICLE INFO Keywords: Mixed oxide sulphide ore Flotation Copper Cobalt QEMSCAN ...

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 ...

Flotation of a copper sulphide ore from Okiep using thiol ...

2009-8-26 · Flotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The Journal of The South African Institute of Mining and Metallurgy VOLUME 105 NON-REFEREED PAPER MARCH 2005 201 Figure 1—The final cumulative copper recovery vs. collector dosage obtained with C2-X, di-C2-DTP and di-C2-DTC in the flotation of the Okiep copper ore

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19 · sulphide ore the galena can be floated first at higher using cyanide to prevent sphalerite and pyrite from floating. Then activation of sphalerite with copper sulphate and high pH to depress pyrite enables a sphalerite concentrate to be made. Finally a lowering of pH can enable a pyrite concentrate to be made if required.

Molecular modelling and synthesis of a new collector O ...

Molecular modelling and synthesis of a new collector O-butyl S-(1-chloroethyl)carbonodithioate for copper sulfide ore and its flotation behavior X. Chi, Y. Guo, S. Zhong, G. Li and X. Lv, RSC Adv., 2020, 10, 3520 DOI: 10.1039/C9RA09648E . This article is licensed under a ...

Copper Mining and Extraction Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of

Interaction effects of flotation reagents for SAG mill reject

Interaction effects of reagents on the efficiency of copper flotation for a highly clayey low-grade sulphide ore were investigated using a central composite design. Preliminary results showed that sodium-isopropyl-xanthate (SIPX) and O-isopropyl-N-ethyl-thionocarbamate (IPETC) were found to be the most efficient collectors in the presence of lime as the pH regulator.

The effects of polyacrylamide flocculants on sulphide ...

The effect of polyacrylamide on flotation of a copper-molybdenum ore was investigated in a series of batch flotation tests. Flocculant concentrations up to 10 parts per million did not lower either concentrate grade or recovery. The presence of an oil phase from the

Flotation of a copper sulphide ore from Okiep using thiol ...

2021-7-12 · This paper investigates the effects of thiol collectors: xanthates, dithiophosphates, dithiocarbamates and mixtures of these on the froth flotation performance obtained with a bornite-rich copper sulphide ore from Okiep Copper Mine with a feed grade of 1.8% copper. Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery and copper

US3827557A - 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 C2-C3 alkylene oxides.

Flotation of mixed copper oxide and sulphide minerals

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

CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015-10-19 · sulphide ore the galena can be floated first at higher using cyanide to prevent sphalerite and pyrite from floating. Then activation of sphalerite with copper sulphate and high pH to depress pyrite enables a sphalerite concentrate to be made. Finally a lowering of pH can enable a pyrite concentrate to be made if required.

Flotation of a Copper-Lead Sulfide-Oxide Ore:Using a ...

The properties of a Cu-Pb oxide ore are investigated by XRD and SEM. Results show that the ore is characterized by chalcocite, galena, azurite and cerusite. Copper and lead phases analysis show that the oxidation rates of copper and lead are up to 70% and 72%, respectively. In order to get a good flotation performance for the difficult-to-treat ore, an efficient flotation technology of bulk ...

NEWCREST’S INDUSTRY FIRST APPLICATION ... - Eriez

2019-10-29 · Figure 5. Copper flotation recovery by size (P. D Munro and S.E Munro (2015) derived from public data presented by Rio Tinto staff with Cadia East data added) The recovery of coarse copper sulphide composite particles via flotation is a function of inherent ore body mineralogical properties, surface chemistry and hydrodynamic conditions such as:

Copper Mining and Extraction Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of

Copper Flotation - Elmhurst University

2015-4-10 · Ore Concentration by Froth Flotation. Remember that only 0.67% of the ore is copper. The copper minerals and waste rock are separated at the mill using froth flotation. The copper ore slurry from the grinding mills is mixed with milk of lime

Flotation Behavior of Complex Sulfide Ores in the Presence ...

2017-6-12 · In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena (PbS) and chalcopyrite (CuFeS 2 ) from sphalerite (ZnS) and pyrite (FeS 2 ) using sodium isopropyl xanthate as a collector and 4-methyl-2-pentanol (MIBC) as a frother. Flotation tests were carried out in a D12-Denver flotation laboratory cell in the presence and ...