mixed sulphie oxide copper flotation

mixed sulphie oxide copper flotation

Flotation of mixed copper oxide and sulphide minerals

2009-3-1  For mixed oxide and sulphide ores, CPS is unsuitable for simultaneous flotation of copper oxide and sulphide minerals, as the sulphides are usually heavily depressed by the sulphide ions from NaHS additions necessary to sulphidise the oxide copper.

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

2019-7-1  Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors Miner. Eng. , 22 ( 2009 ) , pp. 395 - 401 , 10.1016/j.mineng.2008.11.005

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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 ...

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AN INVESTIGATION OF COPPER RECOVERY FROM A

2010-1-19  improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged. The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench-scale testing regime. The

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(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

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(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 ...

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Development and optimization of mixed sulphide/oxide ...

2016-3-2  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 sulphides and acid leaching of soluble oxide copper. The mixed (transitional) sulphide/oxide ores were stockpiled in the

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Mixed copper sulfide and oxide - Froth Flotation (Sulphide ...

2021-11-19  Froth Flotation (Sulphide Oxide) ... Mixed copper sulfide and oxide (3 replies) A. Gaco. ... In a traditional way, sulphide and oxide copper minerals do not recover at the same rate. You typically handle their flotation in a sequential manner: sulphide species #1 followed by oxide minerals. P.

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Review, Evolution and Optimization of the Kansanshi

2016-6-8  The traditional method applied for the flotation of copper oxide or mixed ores is sulphidisation, which was first developed with industrial success on Pb–Zn oxide ores in Australia (Crozier, 1991). The method involves multistage addition of sodium sulphide (Na 2 S), sodium hydrogen sulphide (NaHS), or ammonium sulphide (NH 4) 2

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Effect of Desliming on Flotation Response of Kansanshi ...

2019-8-12  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

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Mechanochemical sulfidization of a mixed oxide-sulphide ...

2019-6-28  Mojtaba Masdarian, Asghar Azizi, Zahra Bahri. Mechanochemical sulfidization of a mixed oxide-sulphide copper ore by co-grinding with sulfur and its effect on the flotation efficiency[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 743-748.

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某氧硫混合型铜矿浮选工艺研究-Experimental research on ...

2020-6-23  The flotation tests were carried out on a mixed copper ore, combining ore properties and flotation process characteristics. Use principle flowsheet of preferential flotation of copper sulfide ore, then recovery vulcanized copper oxide by the method of flotation.

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A Flotation Technique for a Sulfide-Oxidized Cu-Co Mixed ...

Conventional floatation treatment has poor effects on recovering Cu-Co sulfide-oxidized mixed ores due to the high oxidation rate and large amount of carbonaceous mud of the ores. The re showed that the pre-removal of carbonaceous mud - asynchronous flotation process got a better flotation results than the conventional process.

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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.

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Review, Evolution and Optimization of the Kansanshi

2016-6-8  The traditional method applied for the flotation of copper oxide or mixed ores is sulphidisation, which was first developed with industrial success on Pb–Zn oxide ores in Australia (Crozier, 1991). The method involves multistage addition of sodium sulphide (Na 2 S), sodium hydrogen sulphide (NaHS), or ammonium sulphide (NH 4) 2

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mixed copper oxide and sulphide minerals processing

Flotation of mixed copper oxide and sulphide . In the case of the Minto operation the copper oxide and sulphide minerals occur in separate ore deposits and can be treated separately or blended together This investigation has shown that using n octyl hydroxamates (AM28 made by Ausmelt Limited) in conjunction with traditional sulphide collectors can successfully simultaneously recover copper ...

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LEACHING OF LOW-GRADE COPPER ORES: A CASE

2017-6-9  Oxide copper ore, mixed oxide-sulphide ores and low-grade copper sulphide ore, which, for economic reasons, cannot be enriched by flotation, may be processed by leaching methods. Agents for leaching copper can be acid, base, or salt solutions. Of all

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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

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Effect of Desliming on Flotation Response of Kansanshi ...

2019-8-7  improves the flotation response of the Kansanshi mixed copper ore. At a rougher copper concentrate grade of 8%, copper metal recoveries obtained with desliming were in excess of 70% compared to 58% achieved with base-line tests without desliming. It was further observed that desliming resulted in improved flotation rates for the sulfide minerals.

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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 ...

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某氧硫混合型铜矿浮选工艺研究-Experimental research on ...

2020-6-23  The flotation tests were carried out on a mixed copper ore, combining ore properties and flotation process characteristics. Use principle flowsheet of preferential flotation of copper sulfide ore, then recovery vulcanized copper oxide by the method of flotation.

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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.

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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 oxide ... A. Flotation of

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copper flotation process - Xinhai

2021-7-20  According to different ore properties, the copper-lead-zinc sulfide ore flotation processes are also different, mainly including preferential flotation process, full mixed flotation process, partial mixed-preferential flotation process and iso-flotation process.

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

Kansanshi copper mine is situated in the north western province of Zambia. Weathering has given rise to a vertically zoned profile comprising leached, refractory, oxide, mixed and hypogene sulphide mineralisation. As a result of the mineral variations, the processing plant treats three distinct ore types; oxide, sulphide and mixed.

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A process of gold and copper recovery from mixed oxide ...

2011-4-20  A process of gold and copper recovery from mixed oxide - sulfide copper ores. Cite. Download. Patent: WO-2012053915-A1: Inventor: OSTREA ANTONIO M (PH) Assignee: OSTREA ANTONIO M (PH) Date:

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Process of Gold and Copper Recovery From Mixed Oxide ...

2011-4-20  Process of Gold and Copper Recovery From Mixed Oxide - Sulfide Copper Ores. Cite. Download. Patent: US-2014044618-A1: Inventor: OSTREA ANTONIO M (PH) Assignee: OSTREA ANTONIO M (PH) Date: Priority . 2011/04/20. This web page summarizes information in PubChem about patent US-2014044618-A1. This includes chemicals mentioned, as reported

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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

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south african copper oxide flotation plants Prominer ...

Development and optimization of mixed sulphide/oxide copper ore Keywords: copper flotation, mixed sulphide/oxide ore, controlled potential Since the commissioning of the CPS plant, hundreds of flotation tests have been . Southern African Institute of Mining and Metallurgy (Zimbabwe Branch). pp. 1-9. Get Price

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