nickel sulfide flotation

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  • 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 parameters for the flotation of base metals ....

  • Beneficiation of low

    from a low-grade (~03% Ni) nickel sulfide ore as an alternative row material for metallurgical us Processing nickel sulfide minerals by flotation always presents the challenge of obtaining appropriate selectivity between nickel sulfide and other sulfides, such as pyrrhotite, pyrite, and chalcopyrite Other...

  • Nickel flotation for High Talc Ores

    Apr 01, 2019· Flotation of low grade nickel sulfide ores into a concentrate suitable for smelting, and at acceptable nickel recovery, can be challenging Alteration of the gangue minerals can mean talc is present in considerable quantiti Talc floats naturally and can be very difficult to depress without significant nickel loss...

  • Nickel and Cobalt Ores: Flotation

    The nickel extraction process is dictated by the mineralogical assemblage of the sulphide and oxide nickel ores from which it occurs The rejection of pyrrhotite, which occurs commonly with ....

  • Nickel Ore Mineral Processing

    Copper-nickel sulfide ore beneficiation methods: The most important is the flotation The magnetic and the gravity separation is usually secondary dressing method Flotation copper sulfide nickel ore: often used in the flotation of copper sulphide minerals ,...

  • Flotation Reagents

    Flotation Frothers What is the Function of Frothers The function of frothers in flotation is that of building the froth which serves as the buoyant medium in the separation of the floatable from the non-floatable minerals Frothers accomplish this by lowering the ,...

  • Nickel Ore Processing

    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...

  • Sulphide Minerals Flotation Plant

    Froth Flotation The froth flotation and concentration method used exclusively for sulphide ores varies according to the mineral composition and ore floatability The mainly used design flow is compressed air-pine oil and flotation reagent-foam containing sulfide ore and outlet for gangue...

  • Nickel Ore Mineral Processing

    Copper-nickel sulfide ore beneficiation methods: The most important is the flotation The magnetic and the gravity separation is usually secondary dressing method Flotation copper sulfide nickel ore: often used in the flotation of copper sulphide minerals collector and frother Application...

  • Nickel sulfide

    Nickel sulfide is an inorganic compound with the formula NiS It is a black solid that is produced by treating nickel(II) salts with hydrogen sulfideMany nickel sulfides are known, including the mineral millerite, which also has the formula NiSAside from being useful ores, nickel ,...

  • WO2007039663A1

    The present invention relates to a new hydrometallurgical process for recovering nickel from nickel bearing raw materials, such as sulphide flotation concentrat In general, the process involves the oxidative atmospheric pressure leaching of nickel sulphide concentrates using a sodium chloride/hydrochloric acid based leach media...

  • CN103433147B

    The invention discloses a flotation reagent for copper-nickel sulfide or The flotation reagent comprises, by weight, 35-65 parts of alkyl-dithiocarbamate, 5-25 parts of second oil, 5-10 parts of terpilenol, 15-20 parts of hydrazide-group-dithio-formic ether and 5-15 parts of dialkyl-dithiophosphate The flotation reagent is good in selection, strong in collecting capacity and good in bubble ....

  • Flotation of Nickel

    In this study, the robust Taguchi experimental design method was used to determine the optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore...

  • Froth flotation

    Froth flotation cells to concentrate copper and nickel sulfide minerals, Falconbridge, Ontario Froth flotation is a process for separating minerals from gangue by taking advantage of differences in their hydrophobicity Hydrophobicity differences between valuable minerals and waste gangue are increased through the use of surfactants and ....

  • Enhanced methods for nickel recovery from low

    Low-grade ores, like nickel sulfide, are abundant on Earth Nickel sulfide deposits contain high levels of magnesium silicate gangue minerals (MgO) and can be difficult to process with conventional flotation and smelting technologi MgO is hydrophilic, which interferes with flotation of sulfide minerals, and reduces flotation recovery In ....

  • Smelting of Nickel

    Collectors and foamers are often used for flotation of copper sulfide or A basic principle for determining flotation process is that copper can enter nickel concentrate rather than nickel Because the nickel in the copper concentrate is lost greatly in the smelting process, and the copper in the nickel concentrate can be recovered completely...

  • Nickel: smelting, producing

    In hydrometallurgical processes, nickel sulfide ores undergo flotation (differential flotation if Ni/Fe ratio is too low) and then smelted After producing the nickel matte, further processing is done via the Sherritt-Gordon process First, copper is removed by adding hydrogen sulfide, leaving a concentrate of only cobalt and nickel Then ....

  • Nickel processing

    Nickel concentrates may be leached with sulfuric acid or ammonia, or they may be dried and smelted in flash and bath processes, as is the case with copper Nickel requires higher smelting temperatures (in the range of 1,350 °C [2,460 °F]) in order to produce an artificial nickel-iron sulfide known as matte, which contains 25 to 45 percent ....

  • Froth flotation

    Froth flotation cells to concentrate copper and nickel sulfide minerals, Falconbridge, Ontario Froth flotation is a process for separating minerals from gangue by taking advantage of differences in their hydrophobicity Hydrophobicity differences between ,...

  • Nickel sulfide

    Nickel sulfide is an inorganic compound with the formula NiS It is a black solid that is produced by treating nickel(II) salts with hydrogen sulfideMany nickel sulfides are known, including the mineral millerite, which also has the formula NiSAside from being useful ores, nickel sulfides are the products of desulfurization reactions, and are sometimes used as catalysts...

  • Flotation Reagents

    It is also useful in the flotation of nickel and antimony sulfide minerals and is especially useful in the flotation of nickel sulfide mineral with low flotability, mixture of sulfide-oxide nickel ores and middlings of sulfide with gangue Dithiophosphate BA is also helpful in recovery of platinum, gold and silver...

  • US6428604B1

    A hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate The process involves forming a slurry of the sulfidic flotation concentrate in an acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach...

  • 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...

  • (NMBF) The nickel sulfide smelting

    iron sulfide with a composition varying betweenFeSandFe 7 S8Quitefrequently, small amounts of nickel substitute for iron in the crystal lattice ofpyrrhotite Copper as chalcopyrite (CuFeS), and cobalt, gold, silver, andPGMs...

  • US4460459A

    A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper...

  • Nickel Sulfide

    Nickel sulfide minerals such as pentlandite can, in general, be separated from their gangue by flotation using a thiol group of collectors like xanthates and alkyl dithiophosphates in the presence of variety of activators, depressants and dispersants Since nickel sulfides contain other sulfides such as pyrrhotite, pentlandite and chalcopyrite, the enrichment of nickel is generally carried out ....

  • Sulfide Ores

    Flotation of sulphide concentrate as described above Flotation of separate oxide concentrate as described below , Low grade nickel sulphide ore of Mt Keith is known for its mineralogical diversity and metallurgical complexity The predominant nickel minerals in this ore are pentlandite, millerite with small amounts of violarite and ....

  • Nickel Ore

    GV Rao, in Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, 2014 Problems Associated with Flotation of Sulfide Nickel Minerals In sulphide nickel ores, the predominant nickel bearing mineral pentlandite is almost always is associated with pyrrhotite and often found to be associated with other sulphides like iron sulphides (pyrite)...