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Effect of slimes on the flotation recovery and kinetics of ...

2018-5-15  To investigate the effect of slimes on the flotation recovery and kinetics of coal particles, batch flotation and flotation rate tests were carried out using flotation mixtures including slime particles and coal particles within 0.5–0.25 mm, 0.25–0.125 mm and 0.125–0.074 mm size ranges, respectively.

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Effect of slimes on the flotation recovery and kinetics of ...

To investigate the effect of slimes on the flotation recovery and kinetics of coal particles, batch flotation and flotation rate tests were carried out using flotation mixtures including slime ...

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Effect of clay slimes on copper, molybdenum flotation

As an alternative solution, flotation at reduced pulp density (24%) improved the grade and the recovery of copper and molybdenum and decreased the grade and recovery of Al 2 O 3 and SiO 2 in ...

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Effect of Desliming on Flotation Response of Kansanshi ...

2019-8-7  ondary slimes. 1.1. Effects of Slimes on Flotation The presence of slimes in flotation systems results in deleterious effects on re-covery, selectivity and reagent consumption . The problematic nature i[10] m-posed by slimes on flotation is attributable to their 1) small mass, 2) high surface area and 3) high surface energy [8].

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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 improving the flotation response of the ore. Two modes of desliming were investigated, namely; sieving and elutriation after which the deslimed material was ...

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Detrimental effects of slimes on the flotation of rutile ...

2018-9-1  The detrimental effects of slimes on the flotation of rutile from eclogite ore have been studied in this work in order to improve the separation efficiency of the flotation. The study was performed through particle size distribution measurement and mineralogical analysis. The results have demonstrated that the slimes were enriched in the ...

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(PDF) A Review of the Flotation of Copper Minerals

2021-11-11  The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground

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Effect of clay minerals on pulp rheology and the flotation ...

2015-1-1  Fig. 7 shows the effect of clay minerals on copper flotation recovery and apparent viscosity of flotation slurries at a shear rate of 100 s −1. Without the addition of any clay mineral, 83% copper recovery was obtained from the flotation of the clean ore. The addition of

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Recovery of Copper from Cyanidation Tailing by Flotation ...

2015-12-10  Effect of Sodium Hypochlorite on Copper Recovery in the Flotation Process. The effect of sodium hypochlorite on copper recovery was examined at pH 9.8–10.2, xanthate concentration 6.66 × 10 −5 mol/L and 2# oil 10 mg/L. If not specifically mentioned, in subsequent experiments, the activation time was fixed to be 3 min.

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The Effect of Oxidation on the Flotation Behaviour of ...

2016-6-14  The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres S Kelebek 1 ABSTRACT Surface oxidation is one of the most imponant factors that influence the flotation selectivity and recovery in the processing of complex sulphide ores. It is an inherent part of surface chemical reactions that determine

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Effect of slimes on the flotation recovery and kinetics of ...

To investigate the effect of slimes on the flotation recovery and kinetics of coal particles, batch flotation and flotation rate tests were carried out using flotation mixtures including slime ...

More

Effect of Desliming on Flotation Response of Kansanshi ...

2019-8-7  ondary slimes. 1.1. Effects of Slimes on Flotation The presence of slimes in flotation systems results in deleterious effects on re-covery, selectivity and reagent consumption . The problematic nature i[10] m-posed by slimes on flotation is attributable to their 1) small mass, 2) high surface area and 3) high surface energy [8].

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Effect of desliming on the flotation of a complax copper ...

Abstract. The complex copper oxide ore sample was taken from Deerni copper deposit, Qinghai Province of China. Batch flotation tests had been conducted to upgrade the copper concentrate by conventional amyl xanthate reagents under 73% -74 μm of the particle size; however, the unsatisfied results (Cu grade of 18.21% and recovery of 59.25%) were obtained.

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(PDF) A Review of the Flotation of Copper Minerals

2021-11-11  The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground mines) is of great commercial importance.

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The different effects of bentonite and kaolin on copper ...

The copper flotation grade was reduced in the presence of high amount (30%) of muscovite due to the entrainment, but its effect on the copper recovery was negligible. View Show abstract

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Effects of fine–coarse particles interaction on flotation ...

2018-12-6  effects with coarse particles of other minerals through which the other mineral is concealed by masking of the fine particles. Such an interactive effect between minerals has widely been reported in slime coating (Forbes, Davey, and Smith 2014), carrier flotation, or flocculation flotation (Yang et al. 2013;

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Copper Flotation - Mineral Processing Metallurgy

2016-5-16  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

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The Effect of Oxidation on the Flotation Behaviour of ...

2016-6-14  The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres S Kelebek 1 ABSTRACT Surface oxidation is one of the most imponant factors that influence the flotation selectivity and recovery in the processing of complex sulphide ores. It is an inherent part of surface chemical reactions that determine

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Effect of Pulp Density on Gold Flotation Recovery

2018-2-15  The recovery of free gold and/or gold associated with other sulfide minerals is inherently a slow process relative to other types of sulfide mineral flotation. Thus avoiding any operating condition that inadvertently slows down the rate of flotation, including

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Effect of desliming on the flotation of a complax copper ...

Abstract. The complex copper oxide ore sample was taken from Deerni copper deposit, Qinghai Province of China. Batch flotation tests had been conducted to upgrade the copper concentrate by conventional amyl xanthate reagents under 73% -74 μm of the particle size; however, the unsatisfied results (Cu grade of 18.21% and recovery of 59.25%) were obtained.

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Effect of Flotation Reagents for Upgrading and Recovery

Application of flotation for upgrading and recovery of copper (Cu) and molybdenum (Mo) con-tained in flotation tailings from a copper/molybdenum mine was investigated in this study. The sam-ple contained mainly pyrite (FeS2) and quartz (SiO2) as dominant phases with Cu and Mo contents at 0.38% and 0.23% respectively.

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Effect of ultrafine kaolinite particles on the flotation ...

2020-10-6  recovery but a high ash content of clean coal by the entrainment of fine gangues (Wang et al. 2015; Yu et al. 2017a, b; Zheng et al. 2006). Therefore, it is essential to reduce the mineral matter in clean coal to reach the requirements for coal utilization. In

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Analysis of the Effects of Grind Size on Production of ...

2015-7-17  could mean a reduction of the ore to slimes, which are amenable to flotation. Figure 2 shows the relationships and the effects of the various sub – processes on flotation. The most direct effect of particle size can be observed in the reduction of the rate of flotation and recovery as the particles decrease in size [10].

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The Effect of Oxidation on the Flotation Behaviour of ...

2016-6-14  The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres S Kelebek 1 ABSTRACT Surface oxidation is one of the most imponant factors that influence the flotation selectivity and recovery in the processing of complex sulphide ores. It is an inherent part of surface chemical reactions that determine

More

The Application of High Intensity Flotation Technology at ...

2018-10-4  The pilot plant experimental scope included over 50 tests. A grade recovery curve for each stream was developed, as well as information on the effect of ore type, feed rate, wash water, air flow, collector and frother on the performance of the cell. The single StackCell was able to achieve nickel recoveries of 16.8% and 16.5% on the Rougher

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The Effect of Conditioning on the Flotation of Pyrrhotite ...

2017-7-31  and copper-zinc sulfide ores in addition to concentrating the grade [12,13]. Feng et al. studied the effect of high intensity conditioning on the flotation of sulfide and found that high intensity conditioning could significantly increase the flotation recovery of copper-nickel sulfide ores [14].

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THE EFFECT OF COPPER SULPHATE ON FROTH STABILITY

2020-12-8  THE EFFECT OF COPPER SULPHATE ON FROTH STABILITY Wadzanai Nyabeze BSc(Eng) in Chemical Engineering, University of Cape Town ... was used as a measure of hydrophobicity which was directly linked to the flotation recovery. The adsorption of reagents onto the mineral surfaces was confirmed by the ... The decrease in froth stability could have an ...

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Effect of Pulp Density on Gold Flotation Recovery

2018-2-15  The recovery of free gold and/or gold associated with other sulfide minerals is inherently a slow process relative to other types of sulfide mineral flotation. Thus avoiding any operating condition that inadvertently slows down the rate of flotation, including

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