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Copper Sulfide Flotation - Mineral Processing Metallurgy

Apr 13, 2016  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 ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper.

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Optimization of reagent dosages for copper flotation using ...

Dec 01, 2010  Key words: copper sulphide ores; flotation reagents; modelling; optimization 1 Introduction Froth flotation is a process used for selectively separating hydrophobic materials from hydrophilic. Various factors, such as the type and quantity of chemicals added[1 2], the bubble size[3], stator and rotor configuration[4] and residence time[5 ...

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(PDF) Optimization of Cu–Zn Massive Sulphide Flotation by ...

Optimization of Cu–Zn Massive Sulphide Flotation by Selective ... in the sorting process of copper sulfide ore, this method of dosing does not effectively separate sulfide minerals and layered ...

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Optimization of the flotation of copper smelter slags from ...

Optimization of the flotation of copper smelter slags from Namibia Custom Smelters’ Slag Mill Plant ... flotation tests which were performed on slag samples from three different sources (TSL furnace, ... Figure 2.8 Flotation response for copper sulphide composite using PAX as the copper collector.

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

the flotation recovery of Ni, Cu and Co from a nickel-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process parameters for the flotation of base metals ...

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(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 the froth flotation ...

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Optimization of a Copper/Molybdenum Flotation Circuit by ...

Optimization of a Copper/Molybdenum Flotation Circuit by Depressing Pyrite from ... copper and reject iron to establish a base test to compare other reagent schemes with. ... comes from copper sulfide ores, and, at lower recoveries from porphyry copper ores (4).

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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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Copper Flotation - Mineral Processing Metallurgy

May 16, 2016  Copper Flotation Process Summary. Flotation of Copper Ores. Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and maintenance costs.

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Optimization and mechanism of gold-bearing sulfide flotation

Jun 05, 2014  Closed-circuit flotation tests. According to the above flotation condition test about activator and collector for gold-bearing sulfide, a reasonable flotation process was designed. The ideal flotation indexes are obtained through closed-circuit test as shown in Fig. 4. The closed-circuit flotation indexes are shown in Table 2.

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Optimization of the flotation of copper smelter slags from ...

Optimization of the flotation of copper smelter slags from Namibia Custom Smelters’ Slag Mill Plant ... flotation tests which were performed on slag samples from three different sources (TSL furnace, ... Figure 2.8 Flotation response for copper sulphide composite using PAX as the copper collector.

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Statistical investigation of flotation parameters for ...

Mar 01, 2021  Statistical investigation of flotation parameters for copper recovery from sulfide flotation tailings. ... Effective industrial flotation practice requires understanding and optimization of four essential flotation process components including the mineralogical characteristics of the ore, ... All flotation tests were performed in duplicates.

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Optimization of a Copper/Molybdenum Flotation Circuit by ...

Optimization of a Copper/Molybdenum Flotation Circuit by Depressing Pyrite from ... copper and reject iron to establish a base test to compare other reagent schemes with. ... comes from copper sulfide ores, and, at lower recoveries from porphyry copper ores (4).

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Laboratory Testing for Sulfide Flotation Process Development

Jan 01, 2016  "A carefully planned laboratory test program is the foundation for the successful development of a sulfide flotation process. In this paper, the development of a copper-molybdenum flotation process is described. However, the concepts discussed can be applied to most sulfide flotation systems and to many industrial minerals projects as well.

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v116n6a11 Review, evolution, and optimization of 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 copper ore by C. Ngulube*, C. Chongo*, and F.X. Paquot* .2,3, Over the last six years, the Kansanshi copper-gold mine has continued to

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Sulphide Flotation - an overview ScienceDirect Topics

The copper-bearing eluate is returned to the leaching circuit, while the gold eluate is either electrowon or precipitated. Jeffrey et al. (2008b) also reported gold recoveries of >95% from a pressure-oxidized flotation sulfide concentrate. In this work, an integrated RIP process was tested, using a gold thiosulfate process incorporating a novel ...

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Development and optimization of mixed sulphide/oxide ...

copper oxide minerals, to form a sulphide layer on the surface of the mineral particles (Zhou 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

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Optimization of Cu–Zn Massive Sulphide Flotation by ...

Jul 12, 2014  Table 1 shows that quartz, magnetite, illite and chlorite are the main component of the non-sulphide gangue in the ore used for this study. Floatation Tests. A Denver floatation machine, a 1.6 lit floatation cell and tap water were used for the batch floatation tests. Chalcopyrite and sphalerite floatation experiments were carried out at about 30 and 25.5 % solids, respectively.

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Optimization and mechanism of gold-bearing sulfide flotation

Jun 05, 2014  Closed-circuit flotation tests. According to the above flotation condition test about activator and collector for gold-bearing sulfide, a reasonable flotation process was designed. The ideal flotation indexes are obtained through closed-circuit test as shown in Fig. 4. The closed-circuit flotation indexes are shown in Table 2.

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Lime use and functionality in sulphide mineral flotation ...

Nov 01, 2019  At Silver Queen mine (Canada) a combined lime-starch-SO 2 conditioning scheme is used for copper flotation from the Pb/Zn sulphides (Bulatovic, 2007b). In the process, lime (1200 g/t) and starch (200 g/t) are used first, at pH 10.5–11.2, after which the pH is reduced to 5.5 with SO 2 (200 g/t) and the copper sulphide floated.

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(PDF) Parametric Optimization in Rougher Flotation ...

Jul 26, 2020  and 8 g/t MIBC. Ávila-Márquez et al. [29] examined the flotation of a copper sulfide under acidic conditions using a xanthogen formate compound as a collector. They argued that the highest c opper

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(PDF) Flotation of an Oxidized Copper Sulfide Ore

The copper-iron ore has grades of 0.58% Cu and 42.14% Fe in Anhui. According to test on raw ore, it has the characteristics of close intergrowth and fine dissemination size, which belongs to a ...

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Application of D-optimal design for optimizing copper ...

Keywords: copper, molybdenum, flotation, chemical reagents, D-optimal, optimization Introduction Although it seems that porphyry copper deposits are relatively simple, the geology of porphyry copper ores is almost complex and varies significantly within the ore body. Many copper sulphide ore deposits occur with molybdenum, mainly related to pyrite

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Flotation experiment research on a polymetallic sulfide ore of

-0.074 mm 85% was used in the succeeding test. PH ADJUSTMENT TEST OF COPPER/LEAD BULK FLOTATION The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions. Lime and soda are common agents used in adjusting the pH of the slurry. These agents were used and the effects of

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(PDF) Parametric Optimization in Rougher Flotation ...

Jul 26, 2020  and 8 g/t MIBC. Ávila-Márquez et al. [29] examined the flotation of a copper sulfide under acidic conditions using a xanthogen formate compound as a collector. They argued that the highest c opper

Read More
Laboratory Testing for Sulfide Flotation Process Development

Jan 01, 2016  "A carefully planned laboratory test program is the foundation for the successful development of a sulfide flotation process. In this paper, the development of a copper-molybdenum flotation process is described. However, the concepts discussed can be applied to most sulfide flotation systems and to many industrial minerals projects as well.

Read More
v116n6a11 Review, evolution, and optimization of 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 copper ore by C. Ngulube*, C. Chongo*, and F.X. Paquot* .2,3, Over the last six years, the Kansanshi copper-gold mine has continued to

Read More
Flotation experiment research on a polymetallic sulfide ore of

-0.074 mm 85% was used in the succeeding test. PH ADJUSTMENT TEST OF COPPER/LEAD BULK FLOTATION The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions. Lime and soda are common agents used in adjusting the pH of the slurry. These agents were used and the effects of

Read More
Feasibility Study of Differential Flotation of Cu–Pb–Zn ...

Aug 28, 2020  In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite, galena, cerussite, hemimorphite and iron oxide minerals with 5.04% CuO, 1.61% PbO, 2.07% ZnO and 56.40% SiO2. The experimental design methodology (RSM) was conducted to investigate the effect of ...

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SULFIDE FILMING AND FLOTATION OF CHRYSOCOLLA

at the test plant of the Magma Copper Company on malachite. Sodium sulfide has been tested at the concentrators of a number of the larger copper companies, having been added to the flotation machines or to conditioning tanks before flotation as tests showed that better sulfidlzing of the minerals resulted if some little time of preliminary con­

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Application of D-optimal design for optimizing copper ...

Keywords: copper, molybdenum, flotation, chemical reagents, D-optimal, optimization Introduction Although it seems that porphyry copper deposits are relatively simple, the geology of porphyry copper ores is almost complex and varies significantly within the ore body. Many copper sulphide ore deposits occur with molybdenum, mainly related to pyrite

Read More
Optimization of Cu–Zn Massive Sulphide Flotation by ...

Jul 12, 2014  Table 1 shows that quartz, magnetite, illite and chlorite are the main component of the non-sulphide gangue in the ore used for this study. Floatation Tests. A Denver floatation machine, a 1.6 lit floatation cell and tap water were used for the batch floatation tests. Chalcopyrite and sphalerite floatation experiments were carried out at about 30 and 25.5 % solids, respectively.

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OPTIMIZATION OF FLOTATION PARAMETERS FOR

Optimization of flotation parameters for beneficiation of a molybdenum ore 529 and the results are shown in Fig. 3. The flotation tests were performed to obtain the optimum particle size. In the tests, 10 kg/Mg Na 2 S as copper depressant, 440 g/Mg gas oil as collector, and 56 g/Mg pine oil as frother were used at pH 12. The influence of

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The effect of a novel depressant on the separation of talc ...

2.2.2. Batch flotation tests . The ore (1 kg) was crushed to -3 mm and then ground to 73% passing 74 µm in a closed steel XMQ-240 × 90mm ball mill at a pulp density of 65% by weight. The bench-scale flotation tests were performed in XFD-63 flotation cell (self-aeration), 3000 cm. 3. for rougher flotation and 1000 cm. 3. for cleaner flotation ...

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a Sediment-Hosted Copper–Cobalt Sulphide Ore

limited studies into the processing of copper and cobalt sulphide minerals exist [6]. Within these deposits, carrollite (Cu2CoS4) is the main cobalt-bearing mineral in the sulphide ore and common copper sulphide minerals are bornite (Cu5FeS4), chalcopyrite (CuFeS2) and chalcocite (Cu2S). Flotation

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Starch chemical modification for selective flotation of ...

Sep 01, 2020  1. Introduction. Natural occurrence of carbonaceous material along with complex base metal sulphide ores as well as association with gold-ore deposits in the earth’s crust has long been recognized (Pugh, 1989, Afenya, 1991, Allan and Woodcock, 2001).At Century Mine, Mount Isa and McArthur River in Australia, the sphalerite, galena and copper sulphide deposits contain

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Thebehaviourofminerals insulphideflotation processes ...

the differential flotation rates of valuable sulphides and gangue min-erals insulphide oreshave been in-vestigated. Testwork has been con-ducted inseveral concentrators treat-ingavariety ofcopper andlead-zinc sulphide ores. The plant work has been supplemented where necessary withparticular laboratory andpilot-scale tests. The data obtained, to-

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HSC Sim® simulation model of the Assarel copper flotation ...

methods, comminution and flotation of the copper ore and biochemical heap leaching of the low-grade overburden. The Assarel concentrator processes about 14 Mt of copper ore per year with an average grade of 0.32% Cu. The flotation process is performed in two stages – bulk sulfide flotation and selective copper

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