flotation of mixed copper oxide and sulphide minerals

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  • Introduction to Mineral Processing - Chevron Phillips Chemical

    The concentrate, which is now approximately 30% Cu and 0.35% Mo, is pumped to the molybdenum plant where the molybdenum disulfide is separated from the copper sulfide. Chemicals referred to as depressants are added to the pulp to reduce the flotation of the copper minerals while allowing the molybdenum minerals to float.

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  • Copper Ore Types: Sulfides versus Oxides | Nasdaq

    Apr 23, 2011 · Copper oxide ores. Copper oxide ores are not as attractive of an exploration target as the copper sulfide ore types due to their lower grade, however low-grade copper oxide deposits can be .

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  • Flotation of sulphide minerals 1990 - PDF Free Download

    The effect of crystallochemical peculiarities of nickel sulphide minerals on flotation of copper–nickel ore . Potential control in the flotation of sulphide minerals and precious metals Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors Flotation Chemistry of Boron Minerals PDF Reader;

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  • flotation of copper oxide ores

    Flotation Of Mixed Copper Oxide And Sulphide Minerals. The recovery of oxide copper minerals from a complex The ore deposit contains both primary and secondary copper minerals and is therefore classed into three distinct types, viz sulphide, oxide, More Info; 52 Process Mineralogy and Flotation Kinetic of a Copper,

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  • Copper extraction - Wikipedia

    These ores are a mixture of copper carbonate, sulfate, phosphate, and oxide minerals and secondary sulfide minerals, dominantly chalcocite but other minerals such as digenite can be important in some deposits. Supergene ores rich in sulfides may be concentrated using froth flotation.

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  • Axis House - Mining Technology | Mining News and Views .

    Flotation of Mixed Copper Oxide and Sulphide Minerals with Hydroxamate Collectors. Many copper sulphide mines around the world have significant copper oxide ore reserves associated with the larger primary copper sulphide deposit. The traditional techniques for processing oxide ores, either by leaching - SX/EW or flotation have caused many .

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  • (PDF) A Review of the Flotation of Copper Minerals

    These ions react with the copper oxide minerals, to form a sulphide layer . on the surface of the mineral particles. . "Flotation of mixed copper oxide and su lphide 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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  • AN INVESTIGATION OF COPPER RECOVERY FROM A .

    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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  • Flotation Oxidised Copper Ore

    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

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  • Copper Ore Types: Sulfides vs. Oxides | An Investor's .

    Copper sulfide ores are typically the most . be separated from unwanted minerals. However, copper oxide ores are more abundant. . may be concentrated using froth flotation. Types of copper ore .

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  • 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

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  • (PDF) The recovery of oxide copper minerals from a complex .

    It treats an ore which is a mixture of sulphide and oxide copper minerals. In the flotation of mixed sulphide - oxide ores, the sulphide minerals are floated first, then followed by a .

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  • 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

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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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  • Flotation of mixed copper oxide and sulphide minerals .

    N-octyl hydroxamate collectors such as AM28 can be used successfully to recover the oxide mineral component in mixed copper sulphide/oxide blends without reducing the recovery of the sulphide minerals. This investigation showed that for a Minto composite blend of 70 wt% sulphide and 30 wt% oxide, the rougher scavenger copper recovery was 95.5%.

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

    Froth Flotation (Sulphide & Oxide) Froth Flotation . Mixed copper sulfide and oxide (3 replies) Gaco. 3 years ago. . 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. .

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  • Flotation of mixed copper oxide and sulphide minerals with .

    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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  • v116n6a11 Review, evolution, and optimization of the .

    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 .

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  • Froth flotation - Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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  • Copper extraction - Wikipedia

    These ores are a mixture of copper carbonate, sulfate, phosphate, and oxide minerals and secondary sulfide minerals, dominantly chalcocite but other minerals such as digenite can be important in some deposits. Supergene ores rich in sulfides may be concentrated using froth flotation.

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  • Flotation of Copper Sulfide Ores - PDF Free Download

    Else_HFRC-Bulatovic_Ch012.qxd 1/3/2007 1:10 PM Page 235 – 12 – Flotation of Copper Sulfide Ores 12.1 COPPER ORES AND MINERALS More than 170 copper-containing minerals are known and only 10–15 of these minerals have any economic value.

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  • Copper Oxide Flotation - Mineral Processing & Metallurgy

    In specific cases where the oxide content in the mixed sulfide-oxide ore is relatively high, the tailings produced after maximum sulfide recovery, and partial oxide recovery, may be leached to recover oxide minerals that were not recovered in flotation. But for the majority of porphyry ores, this is not practiced.

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  • Development and optimization of mixed sulphide/oxide .

    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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  • Flotation of Copper Sulfide Ores - PDF Free Download

    Else_HFRC-Bulatovic_Ch012.qxd 1/3/2007 1:10 PM Page 235 – 12 – Flotation of Copper Sulfide Ores 12.1 COPPER ORES AND MINERALS More than 170 copper-containing minerals are known and only 10–15 of these minerals have any economic value.

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  • Froth flotation - Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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  • The recovery of oxide copper minerals from a complex .

    The ore deposit contains both primary and secondary copper minerals and is therefore classed into three distinct types, viz. sulphide, oxide and mixed. The mixed ore contains oxide, supergene oxide and hypogene sulphide copper species respectively with the greater part of the deposit being made up of sulphide and mixed ores.

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  • Effect of alkalinity of a pulp on selective flotation of .

    We study the effect of one of the main parameters of flotation ore-dressing, specifically, alkalinity of the pulp, on the selective flotation of sulfide and oxide minerals of copper from the Udokan deposition ores (Chita oblast). It is found that the optimum values are pH = 9 for sulfide minerals of copper and pH = 10 for the oxide ones.

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  • Flotation of mixed copper oxide and sulphide minerals with .

    Mar 01, 2009 · Read "Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors, Minerals Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Flotation of mixed copper oxide and sulphide minerals .

    N-octyl hydroxamate collectors such as AM28 can be used successfully to recover the oxide mineral component in mixed copper sulphide/oxide blends without reducing the recovery of the sulphide minerals. This investigation showed that for a Minto composite blend of 70 wt% sulphide and 30 wt% oxide, the rougher scavenger copper recovery was 95.5%.

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