Sulphide Flotation From Serpentine

  • Selective flotation of ultrafine nickel sulphide from

    2021-3-25 · The flotation of nickel sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nickel mineral surface. To improve the flotation, dispersants such as polyphosphate and carboxy methyl cellulose are normally used to remove the slime coating. However, in the flotation using high ionic strength process water, thesev115n8a4 Effects on entrainment of serpentines by,2015-9-10 · 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

  • nickel sulfide flotation cabaretzeewolde.nl

    Smelting a nickel sulfide flotation deliberate needs an MgO echelon of 6% otherwise the warmth at Inquire Now; Nickel Sulphide Flotation From Serpentine. crushing,grinding and flotation of nickel >Mine process and mining equipment>crushing,grinding and flotation of nickel. to concentrate copper and nickel sulfide Inquire NowUsing oxalic acid to eliminate the slime coatings of,2020-4-1 · 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.

  • The effect of quartz on the flotation of pyrite

    2015-1-1 · 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, high reagent dosages are needed for dispersing serpentine slime and Enhancing flotation separation of chalcopyrite and,2021-3-18 · Therefore, PAAS can be used as an efficient dispersant of serpentine in copper-nickel sulphide ores flotation system. Gum Arabic (GA) is derived from

  • Dispersive effect of low molecular weight sodium

    2017-5-26 · The ore for a batch flotation test was a refractory iron sulphide ore (skarn -type, containing serpentine, d80 size of feed from plant and ground material under 75 μm) from the Shaopo iron sulphide Mine of Yunnan Province, China. The main iron-bearing minerals were pyrite, and the liberation size of pyrite was below 75 μm. XRD spectra of the iron sulphide ore (Fig. 1) confirmed that the significant Flotation Research of Three Polymorph of Serpentine,It is known that serpentine slimes coating on the sulphide surfaces are responsible for the poor metallurgy. Antigorite, lizardite and chrysotile are three kind of important polymorph of serpentine minerals. The three serpentine minerals usually accompany with Sulfide minerals, having ions with equal activities or similar properties on the surface, which makes the flotation separation difficult.

  • Mechanisms of surface charge development of

    2013-5-3 · serpentine mineral, it will be easy to regulate the surface charge of serpentine mineral and eliminate the adverse effect of serpentine mineral on sulphide flotation. 2 Experimental 2.1 Samples and reagents The serpentine used for all experiments was obtained from Donghai, Jiangsu Province, China. Mineralogical and X-ray powder diffraction dataFroth Flotation (Sulphide & Oxide) 911 Metallurgist,2021-7-4 · There is a good chance that it is as it tends to flot so readily but without confirmation by a mineralogist you are assuming that it's liberated talc but I have seen slimed serpentine behave in a similar manner or even just sulphides exposed on serpentine that cause the MgO to increase.

  • Selective flotation of ultrafine nickel sulphide from

    2021-3-25 · The flotation of nickel sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nickel mineral surface. To improve the flotation, dispersants such as polyphosphate and carboxy methyl cellulose are normally used to remove the slime coating. However, in the flotation using high ionic strength process water, thesev115n8a4 Effects on entrainment of serpentines by,2015-9-10 · hydrophobic flocs may also be able to load or entrap some serpentine slimes into the concentrate, and this entrained serpentine could be harder to remove by using depressants or intensified conditioning than serpentine slime coating on the particle surfaces. Keywords sulphide flotation, serpentine, hydrophobicity, ultra-fine, entrainment.

  • nickel sulfide flotation cabaretzeewolde.nl

    Smelting a nickel sulfide flotation deliberate needs an MgO echelon of 6% otherwise the warmth at Inquire Now; Nickel Sulphide Flotation From Serpentine. crushing,grinding and flotation of nickel >Mine process and mining equipment>crushing,grinding and flotation of nickel. to concentrate copper and nickel sulfide Inquire NowUsing oxalic acid to eliminate the slime coatings of,2020-4-1 · 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.

  • Chromite Flotation Froth Flotation (Sulphide &

    2021-6-27 · Froth Flotation (Sulphide & Oxide) A few years ago we used a whizzer to separate chrysotile from our a low grade nickel serpentine ore "Air separation" it was efficient, it did work and did improve our flotation but saving money where we could was important. Using air separation meant that we would have to dry the sample; also theDr Xumeng Chen UQ Researchers,Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer Peng, Y., Liu, D. and Chen, X. (2012). XXVI International Mineral Processing Congress IMPC 2012,New Delhi, India, 24-28 September 2012.

  • Enhancing flotation separation of chalcopyrite and

    2021-3-18 · Figure 3 showed the effect of PAAS dosage on the flotation behavior of chalcopyrite, serpentine and talc. The experiment was carried out at pH 7. Mechanisms of surface charge development of ,2013-5-3 · serpentine mineral, it will be easy to regulate the surface charge of serpentine mineral and eliminate the adverse effect of serpentine mineral on sulphide flotation. 2 Experimental 2.1 Samples and reagents The serpentine used for all experiments was obtained from Donghai, Jiangsu Province, China. Mineralogical and X-ray powder diffraction data

  • Professor Yongjun Peng School of Chemical

    2021-7-6 · Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer. XXVI International Mineral Processing Congress IMPC 2012, New Delhi, India, 24-28 September 2012. New Delhi, India: International Mineral Processing Congress.An Overview of Calcite Recovery by Flotation ,2020-9-23 · Calcite ores typically contain metal sulphide, silicate, or other calcium-containing impurity minerals, which can be removed by flotation. A tremendous amount of research has been performed on refining the flotation process for calcite ores and

  • Selective flotation of ultrafine nickel sulphide from

    2021-3-25 · The flotation of nickel sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nickel mineral surface. To improve the flotation, dispersants such as polyphosphate and carboxy methyl cellulose are normally used to remove the slime coating. However, in the flotation using high ionic strength process water, theseEffect of Oxygen and Micro-Cracking on the Flotation of,2017-2-4 · micro-cracking on the flotation of low grade nickel sulphide ore. The ore treated contained serpentine minerals which have a history of being difficult to process efficiently. The use of oxygen as a bubbling gas has been noted to be effective because it increases the pulp potential. The desired effect of micro cracking the ore is that the

  • Flotation Research of Three Polymorph of Serpentine

    It is known that serpentine slimes coating on the sulphide surfaces are responsible for the poor metallurgy. Antigorite, lizardite and chrysotile are three kind of important polymorph of serpentine minerals. The three serpentine minerals usually accompany with Sulfide minerals, having ions with equal activities or similar properties on the surface, which makes the flotation separation difficult.Effects on entrainment of serpent preview & related,(2015) Tang et al. Journal of the Southern African Institute of Mining and Metallurgy. Slime coating is one of the most common ways for serpentines to contaminate metallic mineral concentrates during traditional flotation of coarse sulphide particles. This could pose quite a complicated and chall.

  • The effect of quartz on the flotation of pyrite depressed

    2017-2-12 · serpentine on sulphide flotation by adding to flotation sys-tem quartz particles or particles of other mineral, that are negatively charged and hydrophilic. 2. Experimental 2.1. Samples and reagents The serpentine (lizardite) used for all experiments was obtained fromDonghai,JiangsuProvince,China.Mineralogical andDepartment of Mining and Materials Engineering McGill,2010-11-25 · ultramafic ore by otherwise conventional sulphide flotation. An integrated site with acid derived from smelter off-gas and tailings used for CO2 sequestration is considered as a possibility. EXPERIMENTAL Ore mineralogy Vale Inco provided the sample. It comprised mostly serpentine (63%) and olivine (12%) with

  • Mechanisms of surface charge development of

    2013-5-3 · serpentine mineral, it will be easy to regulate the surface charge of serpentine mineral and eliminate the adverse effect of serpentine mineral on sulphide flotation. 2 Experimental 2.1 Samples and reagents The serpentine used for all experiments was obtained from Donghai, Jiangsu Province, China. Mineralogical and X-ray powder diffraction datav115n12a13 The effect of sodium carbonate on the,2016-1-20 · 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.

  • Professor Yongjun Peng School of Chemical

    2021-7-6 · Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer. XXVI International Mineral Processing Congress IMPC 2012, New Delhi, India, 24-28 September 2012. New Delhi, India: International Mineral Processing Congress.An Overview of Calcite Recovery by Flotation ,2020-9-23 · In general, precipitated calcium carbonate (PCC) is used as a mineral filler in paper industries; while natural calcite (CaCO3) ore is also suitable for industrial use if it is a finely ground high-grade material. Naturally, calcite is found in the form of high- or