flotation of mixed copper oxide and sulphide minerals

flotation of mixed copper oxide and sulphide minerals

Flotation of mixed copper oxide and sulphide minerals

2009-3-1 · The total and acid soluble copper assays of the tail from Test D were 0.19% and 0.16% Cu, respectively. This shows that the residual copper found in the tail was mainly associated with copper oxide minerals. The total copper, sulphide copper and oxide copper recoveries of 95.5%, 98.2% and 89.4%, respectively.

Flotation of mixed copper oxide and sulphide minerals

The copper sulphides present in the blend were bornite and chalcopyrite, while the oxides were malachite and minor azurite. From previous flotation investigations of mixed copper oxide and sulphide minerals using xanthate and hydroxamate collectors it was hard to distinguish the impact of the alkyl hydroxamate collector on sulphide recovery as ...

Flotation of mixed copper oxide and sulphide minerals

Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors K. Leea, D. Archibaldb, J. McLeanc, M.A. Reuterc,* a Ausmelt Limited, AMML, Unit 3/8 Yandina Road ...

Flotation of mixed copper oxide and sulphide minerals

Abstract Sherwood Copper’s Minto Mine processes a high grade copper–gold deposit in Yukon, Canada. 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 ...

Flotation of mixed copper oxide and sulphide minerals

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 ...

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

2019-7-1 · With mixed oxide-sulphide ores, it is accepted practice to concentrate sulphide and oxide minerals in separate flotation processes. While flotation is a common method to concentrate sulphide ore in the DRC, oxide ore requires sulphidisation prior to flotation with

Flotation of mixed copper oxide and sulphide minerals

The copper sulphides present in the blend were bornite and chalcopyrite, while the oxides were malachite and minor azurite.From previous flotation investigations of mixed copper oxide and sulphide ...

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

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

(PDF) A Review of the Flotation of Copper Minerals

Mixed copper sulphide/oxide ores – these contain varieties of both sulphide and oxide minerals, and are the most compl ex copper - bearing ores from a beneficiation point

Review, Evolution and Optimization of the Kansanshi

2016-6-8 · on the pH. These ions react with the copper oxide minerals to form a sulphide layer on the surface of the oxide minerals (Zhou & Chander, 1992).The sulphidiser concentration can be controlled by measuring the E S potential of the pulp using a sulphide ion-selective electrode. The reaction between

Flotation of mixed copper oxide and sulphide minerals

Abstract Sherwood Copper’s Minto Mine processes a high grade copper–gold deposit in Yukon, Canada. 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 ...

Flotation of mixed copper oxide and sulphide minerals

The copper sulphides present in the blend were bornite and chalcopyrite, while the oxides were malachite and minor azurite.From previous flotation investigations of mixed copper oxide and sulphide ...

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

Where oxide and 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 ...

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

2020-12-8 · hypogene sulphide mineralisation. As a result of the mineral variations, the processing plant treats three distinct ore types; oxide, sulphide and mixed. The objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore comprising sulphide and oxide minerals with a view to achieving an optimal

Treatment of Mixed Sulfide Oxide Ores of Copper

2016-9-25 · 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

Effect of reagent chemistry on flotation of mixed copper ...

In this case, flotation becomes tougher due to mixed mineralic system. From past reviews, the recovery of copper from sulphide mineral using xanthate and pine oil is relatively easy, but mixed oxide-sulphide minerals do not respond to traditional sulphide collector.

Development and optimization of mixed sulphide/oxide ...

2016-3-2 · Development and optimization of mixed sulphide/oxide copper ore treatment at Kansanshi by F.X. Paquot* and C. Ngulube* The Kansanshi Mine (First Quantum Minerals Ltd) treats a mixed sulphide/oxide copper-gold vein deposit. Until June 2009, the sulphide and oxide minerals were respectively recovered by the well established xanthate flotation of ...

Review, Evolution and Optimization of the Kansanshi

2016-6-8 · on the pH. These ions react with the copper oxide minerals to form a sulphide layer on the surface of the oxide minerals (Zhou & Chander, 1992).The sulphidiser concentration can be controlled by measuring the E S potential of the pulp using a sulphide ion-selective electrode. The reaction between

v116n6a11 Review, evolution, and optimization of the ...

2016-7-19 · the surface of the copper minerals because they are not collectable with xanthates (Woods, 2003). The traditional method applied for the flotation of copper oxide or mixed ores is sulphidization, which was first developed with industrial success on Pb–Zn oxide ores in Review, evolution, and optimization of the treatment of Kansanshi mixed ...

EFFECT OF GRINDING CHEMISTRY ON THE

2017-12-17 · The recovery of copper by sulphidisation and flotation from a mixed ore has been studied in detail in this thesis. Particular focus was given to the effect of pulp chemistry on the sulphidisation mechanism and subsequent flotation response of oxidised sulphide minerals, both of which are not prevalent in the literature.

copper oxide recovering - felek.pl

Flotation of mixed copper oxide and sulphide minerals with ... Sherwood Copper’s Minto Mine processes a high grade copper–gold deposit in Yukon, Canada. 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 ...

mixed copper oxide and sulphide minerals processing

Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate sulphidation of copper oxide ores Kansanshi copper mine is situated in the north western province of Zambia. As a result of the mineral variations, the processing plant treats three distinct ore types, viz. oxide, sulphide and mixed.

Effect of reagent chemistry on flotation of mixed copper ...

In this case, flotation becomes tougher due to mixed mineralic system. From past reviews, the recovery of copper from sulphide mineral using xanthate and pine oil is relatively easy, but mixed oxide-sulphide minerals do not respond to traditional sulphide collector.

copper flotation - Xinhai

2021-3-26 · The sulphide flotation process is generally adopted in the mixed copper ore beneficiation, which mainly has two kinds: first, separate the copper sulfide minerals first, and then separate the copper oxide minerals after the tailings sulfidation. Second, float the copper oxide and copper sulfide at the same time after the sulphidation.

Effect of Desliming on Flotation Response of Kansanshi ...

2019-8-7 · Kansanshi Sulfide Oxide Copper Ore, Flotation, Baseline, Desliming 1. Introduction Flotation recovery of valuable minerals from ores is a function of particle size and it is therefore anticipated that variation in the granulometric characteristics of feed to a flotation process will affect flotation performance. Size of mineral

v117n8a11 The role of pulp potential and the ...

2017-9-27 · ore types, viz. oxide, sulphide, and mixed. The objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore comprising sulphide and oxide minerals, with a view to achieving an optimal flotation performance in the treatment of the Kansanshi orebody, with a special focus on the sulphidization process.

EFFECT OF GRINDING CHEMISTRY ON THE

2017-12-17 · The recovery of copper by sulphidisation and flotation from a mixed ore has been studied in detail in this thesis. Particular focus was given to the effect of pulp chemistry on the sulphidisation mechanism and subsequent flotation response of oxidised sulphide minerals, both of which are not prevalent in the literature.

Effect of Desliming on Flotation Response of Kansanshi ...

The Kansanshi mixed copper sulfide-oxide ore contains significant proportions of fine material manifesting in a variety of processing challenges. This paper presents the work which was carried out to evaluate the efficacy of desliming in improving the flotation response of the ore. Two modes of desliming were investigated, namely; sieving and elutriation after which the deslimed material was ...

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

2015-11-26 · 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

Flotation Responce of the Refractory Yangla Copper Oxide ...

To establish the flotation response and suitability of the collectors, series of bench-scale flotation tests are conducted for the refractory oxide copper ores obtained from Yangla Mine in Yunnan province. A simple xanthate (PAX) is used as the sulphide collector and a chelating reagent of hydroxamate AM28 as the oxide collector. It is found and confirmed by mineralogical examination that AM28 ...