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Effect Of Slimes On Recovery Of Copper Flotation

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Effect Of Slimes On Recovery Of Copper Flotation

The study aims to recover copper minerals from a high content of slime and refractory copper oxide ore by flotation process. Based on the research on the properties of the material, the grinding fineness and reagent system are investigated and a technological flow sheet consisting of one roughing flotation, two concentrate flotation, three scavenging flotation and one concentrate scavenging flotation is.

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  • Effect Of Grinding Time On Flotation Recovery Of Copper

    Effect Of Grinding Time On Flotation Recovery Of Copper

    Copper smelting slags are hard materials. Therefore,to recover their copper by flotation method, grinding should be carried out to obtain optimal particle size. Copper smelting slags in the Bardeskan district, with work index of 16.24 kwh st, were grinded for 65 minutes to reach an acceptable degree of freedom for the flotation tests, with particle size of 80 , smaller than 70 μm.

  • Recovery Of Fine Particle In Copper Flotation

    Recovery Of Fine Particle In Copper Flotation

    A detailed study was conducted to evaluate the effect of particle size pH flotation time collector type and addition on efficiency of tennantite flotation. It was shown that maximum copper recovery of 95 3 was obtained at pH 12.3 by lime was suggested to grind up to 65.72 of 0.074 mm to achieve the optimum recovery of copper and high.

  • Copper Flotation Plant For Wolframite In Ghana

    Copper Flotation Plant For Wolframite In Ghana

    Ghana Pump Flotation Reagent. The effect of copper sulphate addition on the recovery of The reagents used in flotation are designed to maximize the recovery of the sulphide minerals that contain the PGMs and reduce the gangue content in the concentrate In order to selectively recover the PGM minerals thiol collectors are added with copper.

  • Effect Of Slimes On The Flotation Recovery And Kinetics Of

    Effect Of Slimes On The Flotation Recovery And Kinetics Of

    In contrast, slimes decreased the flotation recovery of coal particles at a high mass proportion of slime particles. Further , for the coal particles in 0.5 0.25 mm size range, slimes increased its flotation rate at a low mass proportion of slime particles, otherwise slimes decreased its flotation rate.

  • Effect Of Slimes On The Flotation Recovery And Kinetics Of

    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.

  • Effect Of Slimes On The Flotation Recovery And Kinetics Of

    Effect Of Slimes On The Flotation Recovery And Kinetics Of

    May 15, 2018 Besides, the disturbance effect of slime particles on the flotation recovery of coal particles also enhanced with the increase of the mass proportion of slime particles in the pulp. Therefore, the recovery of coal particles within different size ranges decreased as the mass proportion of slime particles increased, and the coal particles having a bigger size presented a pronounced reduction in flotation recovery.

  • Effect Of Ph On Copper Flotation Recovery Vs Mass Pull

    Effect Of Ph On Copper Flotation Recovery Vs Mass Pull

    An example of testing the effect of pH on rougher flotation on pit samples and the results are presented. Since this is only an example, it needs reminding that not all ores will respond the same. Here, rougher flotation is most Selective at a pH of 9.5 as pH levels in the 9 to 10 range yielded 1 to 2 better recoveries. Mineralogy data also supports this and shows between 3 and 10 of the.

  • The Effect Of Copper Sulphate On Froth Stability

    The Effect Of Copper Sulphate On Froth Stability

    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 use of zeta potential and ethylenediaminetetraacetic acid (EDTA) extraction of 4.3.6 Effect of copper sulphate on the zeta potential of pure minerals 79 Activation.

  • Effect Of Flotation Reagents For Upgrading And

    Effect Of Flotation Reagents For Upgrading And

    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.

  • Pulp Density In The Froth Flotation Of Copper

    Pulp Density In The Froth Flotation Of Copper

    THE IMPACT OF THE FROTH ZONE ON METALLURGICAL PERFORMANCE IN A 3m 3 pulp level (froth depth) and pulp density were varied and copper recovery for flotation Inquire Now Effect of clay slimes on copper, molybdenum Effect of clay slimes on copper, molybdenum flotation from flotation at reduced pulp density, minerals on the.

  • Minerals Engineering Conferences Flotation 2000

    Minerals Engineering Conferences Flotation 2000

    The effect of frothers on bubble size distributions in flotation pulp phases and surface froths C. Aldrich and D. Feng (South Africa) Volume 13 Number 12. Improving flotation recovery of copper sulphides by nitrogen gas and sulphidisation conditioning D.W. Clark,.

  • Effect Of Clay Slimes On Copper Molybdenum Flotation

    Effect Of Clay Slimes On Copper Molybdenum Flotation

    In addition, reagent consumptions are much higher than when treating clay free ores. Ores containing kaoline, brammollite, illite and montmorillonite were examined in the laboratory to determine how clay minerals affect the floatability of copper and molybdenum, and to find a possible solution to alleviate the harmful effect of clay slimes.

  • Effect Of Reagent Regime On Flotation Performance Of

    Effect Of Reagent Regime On Flotation Performance Of

    The study aimed to explore appropriate flotation reagents to recover copper minerals from a high content of slime and refractory oxidized copper ores. Based on the research on the properties of the material, the reagent regime was investigated and a technological flowsheet consisting of one roughing flotation, two concentrate flotation, three scavenging flotation and one concentrate scavenging.

  • Effect Of Clay Slimes On Copper Molybdenum Flotation

    Effect Of Clay Slimes On Copper Molybdenum Flotation

    The results of the research work showed that there may be several possible ways of reducing the detrimental affects of clay slimes on flotation, some of which include a) use of alternative flowsheets, b) flotation at reduced pulp density, and c) the use of special frothers. The applicability of the findings in plant practice are discussed.

  • Effect Of Grinding Chemistry On The

    Effect Of Grinding Chemistry On The

    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.

  • The Effect Of Regrinding Chemistry And Particle

    The Effect Of Regrinding Chemistry And Particle

    Effect of regrinding conditions on pyrite flotation in the presence of copper ions. International Journal of Mineral Processing 125 129 136. Chen, X., Peng, Y. and Bradshaw, D., 2014. The separation of chalcopyrite and chalcocite from pyrite in cleaner flotation.

  • Effect Of Feed Preparation On Copper Activation In

    Effect Of Feed Preparation On Copper Activation In

    In this work, the effect of copper sulphate on the flotation of Mt Keith pentlandite ores was studied. As Mt Keith operates separate size flotation circuits, e.g. slime (−8 μm), fine (−25 μm) and coarse (−160 μm) circuits, tests were conducted on streams of different particle size.

  • Effect Of Desliming On Flotation Response Of Kansanshi

    Effect Of Desliming On Flotation Response Of Kansanshi

    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].

  • The Effect Of Surface Oxidation Of Copper Sulfide Minerals

    The Effect Of Surface Oxidation Of Copper Sulfide Minerals

    Request PDF The effect of surface oxidation of copper sulfide minerals on clay slime coating in flotation The industry is well aware of the difficulty in treating copper ores in the presence.

  • Effect Of Desliming On Flotation Response Of Kansanshi

    Effect Of Desliming On Flotation Response Of Kansanshi

    The presence of slimes in flotation systems results in deleterious effects on recovery, selectivity and reagent consumption [10] . The problematic nature imposed by slimes on flotation is attributable to their 1) small mass, 2) high surface area and 3) high surface energy [8] .

  • The Effects Of Water Recycling On Flotation At A North

    The Effects Of Water Recycling On Flotation At A North

    Microbial cells can induce significant changes in the surrounding water chemistry, particularly with respect to pH and ORP [11] [12], and can metabolize certain flotation additives [11] [13] [14] [15], all of which could have serious effects on mineral recovery and flotation selectivity.

  • Effect Of Feed Preparation On Copper Activation In

    Effect Of Feed Preparation On Copper Activation In

    Abstract. In this work, the effect of copper sulphate on the flotation of Mt Keith pentlandite ores was studied. As Mt Keith operates separate size flotation circuits, e.g. slime (−8 μm), fine (−25 μm) and coarse (−160 μm) circuits, tests were conducted on streams of different particle size distributions prepared with the use of cyclones.

  • Effect Of Pulp Potential On The Flotation Of A Sulfide

    Effect Of Pulp Potential On The Flotation Of A Sulfide

    Abstract. Surface oxidation of secondary minerals, such as chalcocite, bornite and digenite, present in the Salobo copper ore makes their flotation difficult and requires excessive reagent consumptions.

  • Effect Of Clay Slimes On Copper Molybdenum Flotation From

    Effect Of Clay Slimes On Copper Molybdenum Flotation From

    The presence of aluminosilicate minerals in copper flotation causes different problems, such as (a) loss in recovery, possibly due to the presence of slime coating on air bubbles or on the mineral.

  • The Effect Of Clay Slimes On Coal Flotation Part Ii: The

    The Effect Of Clay Slimes On Coal Flotation Part Ii: The

    Coal flotation is greater in tap than in distilled water. This is believed due to instability and thinning of the hydrated layer at the surface of the coal particle when ions are present. The loss of recovery in the presence of clay slimes is pronounced in distilled water than when ions are present.

  • Common Questions About Froth Flotation Process Technology

    Common Questions About Froth Flotation Process Technology

    For example, a certain copper cobalt oxide ore in Congo, whose main copper content is malachite, and cobalt mineral is cobalt hydrate, is used to improve the flotation effect. After the experiment, sodium hydrosulfide and ammonia sulfide are used in a ratio of 1 to 1 to improve the flotation effect. 2. Flotation cell foam, reflective surface.

  • Flotation Of Copper Sulphides Assisted By High Intensity

    Flotation Of Copper Sulphides Assisted By High Intensity

    Flotation of copper sulphides assisted by high intensity conditioning (HIC) slimes prior to flotation for lack of effective recovery methods. nounced effect on the concentrate recovery, grade and flotation rate. The high intensity conditioning process (HIC) enhanced the.

  • Effect Of Desliming On The Flotation Of A Complax Copper

    Effect Of Desliming On The Flotation Of A Complax Copper

    A hydro cyclone had been introduced to pre concentrate the oxide ore by scrubbing the slime before flotation, which can result obviously in reducing the dosages of sodium sulfide from 2.5 Kg t to 1 Kg t, and raising the grade of Cu in the concentrate from 18.21 to 26.65 at the expense of about 1 recovery of Cu. In this paper, the effects on.

  • Synergism Effect Of Collectors On Copper Recovery In

    Synergism Effect Of Collectors On Copper Recovery In

    To increase the copper recovery, a mixture of 6 g t Z 6, 4 g t Z 11, 30 g t AERO 3477, and 20 g t AERO 208 were used to determine synergism effect of collectors on copper recovery. After doing flotation tests at optimal conditions with mixture of collectors, copper recovery was increased to 80.27 .

  • The Effect Of Degree Of Liberation On Copper Recovery From

    The Effect Of Degree Of Liberation On Copper Recovery From

    Flotation of grinding products with 55, 60, 65, 70, and 75 of grain size 74 μm, was conducted at the pulp’s pH values of 10 and 12. Higher copper recovery was obtained in concentrates at pH 10, but with lower copper grades, approximately 2 . Copper recovery in concentrates at pH 12 was slightly less, but copper grades were much higher.