flotation of ni sulphides

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  • flotation of cu and ni

    flotation of nickel ores - hackersgroupofindiacoin Flotation of Nickel-Copper Sulphide Ore Optimisation , It is also used in flotation of nickel ores, especially for the flotation treatment of Cu-Ni compound sulfide ore as , flotation of nickel minerals - lunarossa Diese Seite übersetzen More Development of a Combined Flotation and High ....

  • v115n8a4 Effects on entrainment of serpentines by ,

    disseminated Cu-Ni ores bearing high serpentine contents This is the case for the copper and nickel sulphides from the Yunnan Mine, China Previous batch flotation tests of this ore resulted in satisfactory recoveries of 8692 Cu, 5492 Ni, and 7473 Pt Pd, and concentrate grades of 402 Cu, 324 Ni, and 7661 g/t Pt Pd However, the MgO ....

  • NICKEL AND COBALT ORES FLOTATION

    sulfide deposits Formula Nickel content Nickel minerals Primary , Table 2 Distribution of Ni and S in sulfide ores Ore source Nickel distribution Sulfur distribution Pentlandite Pyrrhotite Pentlandite Chalcopyrite Pyrrhotite , III/NICKEL AND COBALT ORES FLOTATION 3493...

  • Method for separation of elemental sulphur and sulphide ,

    The method is based on autoclave-flotation processing methods oxidized slurry autoclave leaching of pyrrhotite concentrate and includes the following operations collective flotation sulphur and sulphides in serosurvey concentrate SPC , the disintegration of the SCQ and sulphide flotation, the products of which are sulfur and sulfide concentrat...

  • Collectorless Flotation of Sulphide Minerals Mineral ,

    Apr 27, 2007 0183 32 Collectorless flotation is reviewed from the viewpoint of classical oxidation studies through to modern electrochemical, surface chemical and spectroscopic investigations coupled with flotation studi Sulphide minerals apparently oxidize through a continuum of metal deficient sulphides of decreasing metal content through to elemental sulphur...

  • Copper extraction

    Copper extraction refers to the methods used to obtain copper from its orThe conversion of copper consists of a series of physical and electrochemical process Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors...

  • flotation of ni

    flotation of ni-sulphides Differential flotation of chalcopyrite, pentlandite and pyrrhotite in Ni , A new method for the treatment of Ni-Cu sulphides ores from the Sudbury region by differential flotation is ,...

  • The effect of a novel depressant on the separation of talc ,

    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, and 500 cm 3 for flotation separation of copper/nickel minerals, respectively The Cu/Ni bulk flotation used 1kg ore to obtain a Cu/Ni ,...

  • FROTH FLOTATION RECENT TRENDS Flotation of Sulphide ,

    sulphide ore flotation practices in brief and processes adopted in HZL s plants It also highlights R D efforts made and new technologies adopted in one of the most complex sulphide ore beneficiation plants to solve metallurgical problems in flotation process Key Words Froth flotation, Sulphide flotation, Control system, Flotation...

  • Flotation of Nickel

    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...

  • flotation of cu and ni

    flotation of ni sulphides - gerritvanoostnl 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...

  • FLOTATION OF SULPHIDE ORES

    Aug 03, 1971 0183 32 I have invented a process wherein the sulphides can be directly floated at a moderate cost from such ores, with the production of high grade concentrates and high sulphide value recoveri With my process there is no need to deslime prior to the sulphide flotation, or make an initial prefloat for discarding to tailings or further treatment...

  • flotation of ni sulphides

    flotation of ni sulphides - perteccoza flotation of ni sulphid Copper-Nickel ores Danafloat HomeCopper-Nickel ores Ni Fe S is the most Recovery and separation entails floating all three sulphide minerals into a bulk flotation concentrate at natural pH -flotation of ni sulphides-,Flotation Nickel grinvich euProcessing Oxidised Nickel Ore With ....

  • Sulphide Flotation

    In most flotation plants, sulfur and silver on gold grains in all likelihood in the form of silver sulfide promoted gold flotation Copper must be assisting gold flotation as deciphered from the superior floatability of auricupride Cu 3 Au and tetra-auricupride AuCu relative to native gold At the Kemess flotation plant depending on the ....

  • Flotation of valuable minerals locked with Fe sulphide ,

    Does anyone have an idea of how to float valuable minerals Ni locked with Fe sulphide Recent tests have shown that liberated well sized Fe particles as well as Ni sulphide particles locked with Fe sulphide report to the tails The question is why is well sized liberated Fe sulphides and valuable...

  • US Patent Application for METHOD FOR IMPROVING SELECTIVITY ,

    In this sense, the state of the art lacks a method for a improving the selectivity and recovery in the flotation of Cu/Ni sulphide minerals which are associated with iron sulphides, and b reducing or eliminating the use of problematic polyamine chemicals such as DETA to minimize the negative impact on the environment ....

  • Flotation of mixed copper oxide and sulphide minerals ,

    Sulphide Oxide 20 0 0 2 4 6 8 Flotation Time min Fig 7 Flotation response for Test C on the blend composite using PAX and AM28 as the copper collector AM28 was added after the third concentrate collection Total PAX, AM28 and MIBC doses were 14 g/t, 420 g/t and 48 g/t, respectively ies and faster flotation kinetics were obtained...

  • Depression of Gangue Minerals Using Tailor

    Carboxymethyl cellulose, CMC, is widely used in mineral processing as a flotation depressant, mainly for the depression of carbonate and talcaceous gangue in the flotation of Cu-Ni sulfide and PGM or Although CMC is a common depressant that can be used in the flotation of different ores, understanding of the interaction mechanisms between CMC and....

  • Nickel smelting, producing

    The principle nickel sulphide is pentlandite NiFeS2 , which is usually associated with chalcopyrite and iron sulphid International Nickel INCO and Sherritt Gordon use a bulk Cu/Ni float pictured below, followed by selective flotation of the two elements into separate concentrat Other Canadian producers leave separation to the smelters...

  • copper sulphide ore process flotation machine

    flotation process sulfide - elettrostareu Copper sulfide ore Forth flotation process introduction Copper sulfide is a compound of copper and sulfur, chemical formula CuS, exist in the deep blue covellite , Copper sulfide is a compound of copper and sulfur, chemical Flotation of Nickel-Copper Sulphide Ore Optimisation...

  • Some Aspects of the Flotation of Sulfide Nickel

    Flotation is affected by several factors, part of which depends on the mineralogical characteristics of the ore and part on process variabl Sulfide Ni-Cu ores occur typically in mafic and ultramafic igneous rocks Serpentine minerals are also common As a consequence of metamorphosis, sulfides and secondary minerals may be finely disseminated in an altered ore....

  • Handbook of Flotation Reagents Chemistry, Theory and ,

    Handbook of Flotation Reagents Chemistry, Theory and Practice is a condensed form of the fundamental knowledge of chemical reagents commonly used in flotation and is addressed to the researchers and plant metallurgists who employ these reagents Consisting of three distinct parts 1 provides detailed description of the chemistry used in mineral processing industry...

  • Transport of metals and sulphur in magmas by flotation of ,

    and sulphur in magmas by flotation of sulphide melt on vapour bubbl Nature Geoscience, Nature Publishing Group, 2015, 8, pp216-219 ￿101038/ngeo2373￿ ￿hal-01128839￿ Transport of metals and sulphur in magmas by flotation of sulphide melt on vapour bubbles , been noted in komatiitic Ni sulphide ores26...

  • Polysaccharides in flotation of sulphid Part I ,

    Polysaccharides in flotation of sulphid Part I Ad- sorption of polysaccharides onto mineral surfac In KSE Forssberg Editor , Flotation of Sul- phide Minerals 1990 Int J Miner Process, 33 223-234 Polysaccharides were widely investigated as depressants of inherently hydrophobic minerals...

  • flotation of cu and ni

    The paper describes Falconbridge Technology Center experience in commissioning of the Mini Pilot Plant with a Cu/Ni/PGM sulphide ore followed by a validation of the technology Flotation of NickelCopper Sulphide Ore ResearchGate Aug 12, 2014 optimum conditions for the flotation of nickel, copper and cobalt from a nickelcopper sulphide ore...

  • Flotation Reagents

    It is also used in flotation of nickel ores, especially for the flotation treatment of Cu-Ni compound sulfide ore as well as gold mine associated with pyrite It can also get satisfactory results when used in lead oxide copper or Commonly used in the process of rough flotation and scavenging flotation...

  • Method for improving selectivity and recovery in the ,

    Jul 12, 2016 0183 32 In this sense, the state of the art lacks a method for a improving the selectivity and recovery in the flotation of Cu/Ni sulphide minerals which are associated with iron sulphides, and b reducing or eliminating the use of problematic polyamine chemicals such as DETA to minimize the negative impact on the environment ....

  • nickel mineral processing pyrrhoite

    Differential Flotation of Chalcopyrite, Pentlandite and Pyrrhotite in Ni Jul 18, 2013 A new method for the treatment of NiCu sulphides ores from the Sudbury region by Mineral Processing and Extractive Metallurgy Review Contact US The flotation of magnetic and non magnetic pyrrhotite from selected...

  • Froth flotation

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, paper recycling and waste-water treatment industri Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century...

  • nickel sulphide flotation from serpentine

    Nickel Sulphide Flotation From Serpentine Grinding Mill flotation of nickel minerals Whilst it is recognised that collectors other than xanthates are used in sulphide nickel flotation large amounts of serpentine minerals from Western chemicals used in processing nickel ore , the flotation recovery of Ni, Cu and Co from a nickel-copper ....