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Sulphide Flotation From Serpentine

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  • (PDF) Selective flotation of ultrafine nickel sulphide

    The flotation of nick el sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nick el m ineral surface. T o improve the

  • The Importance of pH in Flotation

    In flotation, pH control is a vital method to control selective mineral separation. A standard depressant that is used is an Alkali. An Alkali is any substance that when mixed with Acid will neutralize each In flotation, pH control is a vital method to control selective mineral separation. A standard depressant that is used is an Alkali. An Alkali is any substance that when mixed with Acid will neutralize each other and form a new chemical substance called a BASE. This is very important. The ore may be either alkaline or Acidic. To have a positive control over flotation, it is necessary to be
  • (PDF) Flotation of chromite and serpentine

    Serpentine, a common magnesium-bearing silicate mineral in sulphide ores, can largely depress the flotation of the valuable sulphide minerals by adhering at their surfaces (i.e. slime-coating).

  • The Effect of Sodium Alginate on Chlorite and Serpentine

    Chlorite and serpentine are common magnesium-containing gangue minerals in copper sulfide flotation. In this study, sodium alginate, a natural hydrophilic polysaccharide, was introduced as a Chlorite and serpentine are common magnesium-containing gangue minerals in copper sulfide flotation. In this study, sodium alginate, a natural hydrophilic polysaccharide, was introduced as a selective depressant for these gangue minerals. Micro-flotation tests were conducted on both single minerals and synthetic mixtures. The flotation results showed that sodium alginate could Cited by: 2
  • Teck's CESL Nickel Process: Advancing Towards a Commercial

    conventional flotation process on low-grade disseminated sulphide ores tends to be difficult due in large part to fines containing magnesium-rich serpentine type minerals which generate slimes conventional flotation process on low-grade disseminated sulphide ores tends to be difficult due in large part to fines containing magnesium-rich serpentine type minerals which generate slimes during comminution. In most cases, treatment of such ores results in low nickel recovery and
  • Using oxalic acid to eliminate the slime coatings of

    The flotation of sulphide ore in the presence of fine serpentine has been always a problem due to “slime coatings”. To solve this problem, attempts were made for the first time to eliminate the slime The flotation of sulphide ore in the presence of fine serpentine has been always a problem due to “slime coatings”. To solve this problem, attempts were made for the first time to eliminate the slime coatings of serpentine in pyrite flotation using oxalic acid (OA) as the selective depressant.Author: Xuekun Tang, Yanfei Chen
  • Talc–serpentine interactions and implications for talc

    The interactions of serpentine with talc and implications for talc depression by carboxymethyl cellulose (CMC) have been investigated through flotation tests, sedimentation tests and zeta potential The interactions of serpentine with talc and implications for talc depression by carboxymethyl cellulose (CMC) have been investigated through flotation tests, sedimentation tests and zeta potential measurements. Talc is a hydrophobic mineral and CMC is effective for talc depression.Cited by: 30
  • Effect of a novel phosphate on the flotation of serpentine

    In the flotation process of serpentine-containing copper-nickel sulfide ore, serpentine slime coatings significantly reduced the flotation performance

  • Author: Kaile Zhao, Wu Yan, Xiaohui Wang, Zhen Wang, Zhiyong Gao, Chongqing Wang, Wei He
  • The effect of quartz on the flotation of pyrite depressed

    A coating of hydrophilic slime particles will decrease the flotation recovery of sulphide particle. In order to limit the effect of serpentine slime on sulphide flotation, sodium hexametaphosphate, sodium A coating of hydrophilic slime particles will decrease the flotation recovery of sulphide particle. In order to limit the effect of serpentine slime on sulphide flotation, sodium hexametaphosphate, sodium silicate, carboxymethyl cellulose (CMC), and sodium carbonate are used to remove serpentine slime from sulfide surfaces,,,. However, highCited by: 17
  • v115n8a4 Effects on entrainment of serpentines by

    metallic values during flotation may have an important influence on the entrainment of serpentine. Although the mechanism of serpentine entrainment into sulphide concentrates during coarse metallic values during flotation may have an important influence on the entrainment of serpentine. Although the mechanism of serpentine entrainment into sulphide concentrates during coarse particle flotation by slime coating or water recovery is well established, the possible effects of hydrophobic flocs of fine sulphide particles
  • Effect of a novel phosphate on the flotation of serpentine

    In the flotation process of serpentine-containing copper-nickel sulfide ore, serpentine slime coatings significantly reduced the flotation performance

  • v115n8a4 Effects on entrainment of serpentines by

    metallic values during flotation may have an important influence on the entrainment of serpentine. Although the mechanism of serpentine entrainment into sulphide metallic values during flotation may have an important influence on the entrainment of serpentine. Although the mechanism of serpentine entrainment into sulphide concentrates during coarse particle flotation by slime coating or water recovery is well established, the possible effects of hydrophobic flocs of fine sulphide particles
  • The Critical Role of Pulp Density on Flotation Separation

    In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation .Large amounts In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation .Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting, often resulting in the imposition of smelter penalties on mineral processing companies .
  • Talc–serpentine interactions and implications for talc

    The interactions of serpentine with talc and implications for talc depression by carboxymethyl cellulose (CMC) have been investigated through flotation tests, sedimentation tests and zeta

  • (PDF) The Critical Role of Pulp Density on Flotation

    The Critical Role of Pulp Density on Flotation Separation of Nickel-Copper Sulfide from Fine Serpentine Article (PDF Available) in Minerals 8(8):317 · July

  • A novel method to limit the detrimental effect of

    A novel method to limit the detrimental effect of serpentine on the flotation of pentlandite is described in this paper. Flotation results show that the presence of hydrophilic serpentine slimes

  • Minerals Free Full-Text A Novel Method to Limit the

    In order to eliminate the adverse influence of serpentine on sulfide minerals flotation, chemical additives such as sodium silicate, sodium hexametaphosphate, carboxymethyl cellulose In order to eliminate the adverse influence of serpentine on sulfide minerals flotation, chemical additives such as sodium silicate, sodium hexametaphosphate, carboxymethyl cellulose (CMC), and N-carboxymethyl chitosan have been used to prevent the formation of “slime coatings” on valuable mineral surfaces by changing the surface potential of serpentine [7,8,9,10].
  • Dispersive effect of low molecular weight sodium

    serpentine, and its dispersion mechanism were systematically investigated through zeta potential measurements, micro and batch flotation as well as adsorption tests. At pH 5, serpentine, and its dispersion mechanism were systematically investigated through zeta potential measurements, micro and batch flotation as well as adsorption tests. At pH 5, where flotation of iron sulphide was routinely performed, pyrite and serpentine minerals were oppositely charged, and therefore they were attracted to each other.
  • Froth Flotation (Sulphide & Oxide)

    Froth Flotation (Sulphide & Oxide) For high contents of MgO bearing species, typically serpentine, that is not related to a talc issue where known talc depressants, i.e. CMC, guar Froth Flotation (Sulphide & Oxide) For high contents of MgO bearing species, typically serpentine, that is not related to a talc issue where known talc depressants, i.e. CMC, guar and quebracho do not give success, then consider the use of tri-block copolymers at considerably lower dose. Also look at some of the literature relating to
  • Chromite Flotation Froth Flotation (Sulphide & Oxide

    Chromite separation from serpentine gangue. I'm looking to get started on this new project and was wondering if I could get some ideas before jumping into this blindly. Laboratory Testing Chromite separation from serpentine gangue. I'm looking to get started on this new project and was wondering if I could get some ideas before jumping into this blindly. Laboratory Testing Consulting & Engineering Process Equipment. Froth Flotation (Sulphide & Oxide)
  • Minerals Free Full-Text The Effect of Surface Charge

    Serpentine, a magnesium silicate mineral with positive surface charge in many sulfide ores around the world, usually deteriorates the flotation behavior by covering the target mineral Serpentine, a magnesium silicate mineral with positive surface charge in many sulfide ores around the world, usually deteriorates the flotation behavior by covering the target mineral surface. In this paper, the effect of surface potential regulation on serpentine flotation was revealed by flocculation experiments, zeta potential measurements, infrared spectrum
  • The Critical Role of Pulp Density on Flotation Separation

    within 3 min. During the flotation, the concentration was collected after cumulative times of 2, 4, 6, 8, and 10 min. To investigate how the flotation was affected by the pulp density of a within 3 min. During the flotation, the concentration was collected after cumulative times of 2, 4, 6, 8, and 10 min. To investigate how the flotation was affected by the pulp density of a single mineral and the mixture of sulfide and serpentine, sulfide and serpentine slurries (5 40 wt % of the total solid by
  • FLOTATION OF SERPENTINITE AND QUARTZ USING

    aqueous acid solution in mines, are able to depress sulfide minerals. It is a result of surface oxidation. Selective flotation of complex sulfide ores, particularly chalcopyrite, sphalerite, aqueous acid solution in mines, are able to depress sulfide minerals. It is a result of surface oxidation. Selective flotation of complex sulfide ores, particularly chalcopyrite, sphalerite, and pyrrotite using xanthate as collector, needs application of bioreagents (Pecina et al., 2009).
  • Serpentine Flotation Flow

    Flotation of Ni-Pentlandite from Serpentinite Gangue. In nickelcopper sulfide ore processing serpentine is a common gangue mineral encountered in complex sulfide ores and can Flotation of Ni-Pentlandite from Serpentinite Gangue. In nickelcopper sulfide ore processing serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting often resulting in the imposition of smelter penalties on
  • Nickel Ore Processing-Ore Beneficiation,Flotation Process

    Nickel Ore Processing. Nickel ore mainly consists of copper-nickel sulfide ore and nickel oxide ore, beneficiation and processing of both methods is completely different. Copper-nickel sulfide ore Nickel Ore Processing. Nickel ore mainly consists of copper-nickel sulfide ore and nickel oxide ore, beneficiation and processing of both methods is completely different. Copper-nickel sulfide ore beneficiation methods, the most important is the flotation, magnetic and re-election is usually secondary dressing method.
  • Interaction between mineral particles surfaces during

    surface of sulphide mineral (Kirijavainen et al., 2007; Lu et al., 2011). Nevertheless, the high reagent dosage needed to disperse serpentine slime led to considerable economic pressure for surface of sulphide mineral (Kirijavainen et al., 2007; Lu et al., 2011). Nevertheless, the high reagent dosage needed to disperse serpentine slime led to considerable economic pressure for application. Furthermore, the detrimental effect of serpentine on ascharite flotation was seldom studied before.
  • The effect of polyether on the separation of pentlandite

    1 Introduction. Serpentine is a magnesium-rich phyllosilicate mineral occurring in complex sulphide ores .In nickel sulfide ore processing, serpentine may report to flotation concentrate through 1 Introduction. Serpentine is a magnesium-rich phyllosilicate mineral occurring in complex sulphide ores .In nickel sulfide ore processing, serpentine may report to flotation concentrate through attachment to the valuable minerals as “slime coatings” .As a kind of magnesium silicate gangue mineral, large quantities of serpentine in flotation concentrates can cause problems during smelting
  • olivine grindability test ferienwohnung-zur-reede.de

    Chromium ore instruction. Common chromium ore include chromite, alumchromite and rich chromium spar etc. among chromium minerals in our country, the gangue ore are mainly consist of olivine Chromium ore instruction. Common chromium ore include chromite, alumchromite and rich chromium spar etc. among chromium minerals in our country, the gangue ore are mainly consist of olivine and serpentine and pyroxene, etc. with a few vanadium, nickel, cobalt and platinum family in it sometimes. Chat Online nickel sulphide flotation from . Get
  • FLOTATION OF SERPENTINITE AND QUARTZ USING

    aqueous acid solution in mines, are able to depress sulfide minerals. It is a result of surface oxidation. Selective flotation of complex sulfide ores, particularly chalcopyrite, sphalerite, and pyrrotite aqueous acid solution in mines, are able to depress sulfide minerals. It is a result of surface oxidation. Selective flotation of complex sulfide ores, particularly chalcopyrite, sphalerite, and pyrrotite using xanthate as collector, needs application of bioreagents (Pecina et al., 2009).
  • Froth Flotation of Ultramafic Nickel Ore No Pre

    Apr 25, 2010· Froth Flotation of Ultramafic Nickel Ore No Pre-treatment Because of decreasing sulphide ore sources and the cost of treating laterites, increasing attention is directed to the third source

  • Author: Salah Uddin
  • flotation silica depression Piledrivingweb

    The effect of quartz on the flotation of pyrite depressed by serpentine . The effect of quartz particles on the flotation of pyrite depressed by serpentine has been investigated through flotation tests, The effect of quartz on the flotation of pyrite depressed by serpentine . The effect of quartz particles on the flotation of pyrite depressed by serpentine has been investigated through flotation tests, adsorption tests, zeta potential measurements and DLVO calculation. The depression of quartz in sulphide flotation Scholars' Mine.
  • Selectve agglomeration of magnetite in entlandite

    Abstract: In nickel sulfide processing, magnesium silicates (serpentines) can easily form slime coatings or hetero-aggregation on pentlandite surfaces, and hence decrease the pentlandite flotation rate Abstract: In nickel sulfide processing, magnesium silicates (serpentines) can easily form slime coatings or hetero-aggregation on pentlandite surfaces, and hence decrease the pentlandite flotation rate and recovery. In this work, magnetic separation of pentlandite from serpentine using selective magnetic
  • serpentine flotation flow

    Serpentine is a typical alteration product of pyroxenes or olivines during hydrothermal metamorphosis,which seriously interferes with the concentration of pentlandite in the froth flotation of Serpentine is a typical alteration product of pyroxenes or olivines during hydrothermal metamorphosis,which seriously interferes with the concentration of pentlandite in the froth flotation of copper–nickel sulfide ore.The mechanisms by which serpentine affects the flotation behavior of pentlandite include entrainment,physical entrapment
  • The effect of quartz on the flotation of pyrite depressed

    The effect of quartz particles on the flotation of pyrite depressed by serpentine has been investigated through flotation tests, adsorption tests, zeta potential measurements and serpentine on The effect of quartz particles on the flotation of pyrite depressed by serpentine has been investigated through flotation tests, adsorption tests, zeta potential measurements and serpentine on sulphide flotation by adding to flotation sys-tem Flotation concentrates were then collected for a total of 4min.
  • US Patent for Separation of minerals Patent (Patent

    14. A flotation process for the separation of iron-bearing sulphide containing ores including the steps of: (a) conditioning an aqueous pulp of ores comprising metal containing iron sulphide minerals 14. A flotation process for the separation of iron-bearing sulphide containing ores including the steps of: (a) conditioning an aqueous pulp of ores comprising metal containing iron sulphide minerals said pulp having a pH of between 7 and 10 with a reducing agent to reduce the pulp potential to below a level of E h in accordance with the following formulae:
  • Effect of pulp rheology on flotation of nickel sulphide

    (2012). Effect of pulp rheology on flotation of nickel sulphide ore with fibrous gangue particles. Canadian Metallurgical Quarterly: Vol. 51, No. 4, pp. 368-375.

  • Development and implementation of a new DeepDyve

    Dec 15, 2005· Development and implementation of a new flowsheet for the flotation of a low grade nickel ore Development and implementation of a new flowsheet for the flotation of a low grade Development and implementation of a new flowsheet for the flotation of a low grade nickel ore Development and implementation of a new flowsheet for the flotation of a low grade nickel ore Senior, G.D.; Thomas, S.A. 2005-12-15 00:00:00 Low grade nickel ores containing large amounts of serpentine minerals have historically been difficult to process efficiently.
  • v115n12a13 The effect of sodium carbonate on the

    The sulphide ores are universally treated by flotation, and the major gangue components include a host of MgO minerals, such as serpentine. MgO minerals (e.g. serpentines) break readily. Thus The sulphide ores are universally treated by flotation, and the major gangue components include a host of MgO minerals, such as serpentine. MgO minerals (e.g. serpentines) break readily. Thus grinding produces fines or slimes, particles less than approximately 10 µm. These gangue slimes can interfere with flotation by forming a coating on the
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