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flotation of ni sulphides

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NICKEL AND COBALT ORES: FLOTATION

Mackinawite (Fe,Ni)9S8 Up to 9 Arsenopyrite FeAsS Up to 0.5 Secondary Pyrite FeS2 Up to 12 Marcasite FeS2 Up to 6 Smythite Fe3.25S4 Up to 5 Tochilinite 6Fe0.9S.5(Mg,Fe)(OH)2 Up to 5 Magnetite Fe3O4 Up to 1 (Reprintedwith permissionfrom The Minerals, Metals and Mater-ials Society (TMS).) Table 2 Distribution of Ni and S in sulfide ores

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Flotation Of Ni Sulphides ulrikevellmer

Flotation Of Ni Sulphides. Hydraulic protection , saving labor and time / Low operating costs / Wide adjustment range / Low noise and little dust If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

flotation of ni-sulphides

Flotation of ni-sulphides flotation of ni-sulphidespneumatic flotation, ultra-fines beneficiation, nickel sulphide, read moreickel and cobalt ores flotationf the vespiaryhe maximum grade of nickel achieved by flotation is around 28 niroblems associated with sulfide mineral flotationthat can be calculated for the.

Starch chemical modification for selective flotation of

During flotation the deleterious effect of active carbonaceous matter includes difficult separation from sulphides due to similar flotation response, while during gold extraction active carbonaceous matter can adsorb on surfaces of leached gold (preg robbing), hence reducing gold recovery (Pugh, 1989, Afenya, 1991, Pyke et al., 1999, Allan and

Author: Wonder Chimonyo, Brenton Fletcher, Yongjun Peng

(PDF) Flotation of Nickel-Copper Sulphide Ore

the flotation recovery of Ni, Cu and Co from a nick el-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at

Froth flotation Wikipedia

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

Copper Sulphide Ore Reagents For Copper Flotation

Flotation of nickel-copper sulphide ore optimisation of.2020-01-08 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.

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

Lime use and functionality in sulphide mineral flotation

Nov 01, 2019· Following bulk sulphide flotation, where soda ash is added as the pH modifier, sodium amyl xanthate as the collector and MIBC as the frother, slaked lime is added to depress the pentlandite and effect Cu-Ni separation . Selective flotation of pentlandite from the iron sulphides (mainly pyrrhotite) is

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of

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

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of

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

Copper Sulphide Ore Reagents For Copper Flotation

Flotation of nickel-copper sulphide ore optimisation of.2020-01-08 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.

Some Aspects of the Flotation of Sulfide Nickel-Copper

Flotation is affected by several factors, part of which depends on the mineralogical characteristics of the ore and part on process variables. 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...

Differential Flotation of Chalcopyrite, Pentlandite and

Jul 18, 2013· A new method for the treatment of Ni–Cu sulphides ores from the Sudbury region by differential flotation is presented. The method exploits the ease of chalcopyrite floatability in complete or virtual absence of collector, but in the presence of sulphur dioxide, an effectivecomplexing agent such as diethylenetriamine (DETA) and a frother.

Flotation Of Cu And Ni

Flotation of Nickel-Copper Sulphide Ore: Optimisation of. 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.

AU660858B2 Selective flotation process for separation of

AU660858B2 AU50633/93A AU5063393A AU660858B2 AU 660858 B2 AU660858 B2 AU 660858B2 AU 50633/93 A AU50633/93 A AU 50633/93A AU 5063393 A AU5063393 A AU 5063393A AU 660858 B2 AU660858 B2 AU 660858B2 Authority AU Australia Prior art keywords flotation kg pyrrhotite process according process Prior art date 1992-11-13 Legal status (The legal status is an assumption and is

Nickel: smelting, producing-Metalpedia

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

Copper activation option for a pentlandite–pyrrhotite

May 30, 2016· Different sulphide ores respond differently in the prospect of copper activation to thiols for froth flotation. With the BCL Selebi-Phikwe ore body, pentlandite–pyrrhotite–chalcopyrite co-occur and there is the constraint of fine pentlandite dissemination in the pyrrhotite, so that liberation is limited. In the presence of pentlandite, pyrrhotite can even be galvanically depressed.

Transport of metals and sulphur in magmas by flotation of

Emissions of sulphur 1,2 and metals 3,4 from magmas in Earth’s shallow crust can have global impacts on human society. Sulphur-bearing gases emitted into the atmosphere during volcanic eruptions

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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 86.92% Cu, 54.92% Ni, and 74.73% Pt+Pd, and concentrate grades of 4.02% Cu, 3.24% Ni, and 76.61 g/t Pt+Pd. However, the MgO

Impact of oxidation on flotation of Ni–Cu sulphide ore

Impact of oxidation on the flotation of a complex Ni–Cu sulphide has been investigated using two approaches. In the first approach, the samples to be floated were allowed to oxidise before

flotation of copper oreflotation of cu and ni

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...

Nickel processing Extraction and refining | Britannica

Nickel processing Nickel processing Extraction and refining: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel

CA2082831C Selective flotation process for separation of

Abstract This invention provides a process for improved separation of mono/multi-metallic sulphide minerals from significant amounts of iron sulphidess, mainly pyrrhotite and/or their finely divided process middlings. The process comprises subjecting such material to a conditioning stage with at least one water-soluble sulphur-containing inorganic compound as a prerequisite step for further

flotation of copper oreflotation of cu and ni

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 Nickel-Copper Sulphide Ore: Optimisation of. 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.

flotation of nickel ores gehirnjogging-ruhr

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

nickel sulfide flotation

A New Process for Cobalt Nickel Separation teckexcellent cobalt nickel separation primary leach liquor by Cyanex 272 However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leachingA New

PDF Flotation of an Oxidized Copper Sulfide Ore

PDF Flotation of an Oxidized Copper Sulfide Ore. Kansanshi copper mine is situated in the north western province of Zambia As a result of the mineral variations the processing plant treats three distinct ore types viz oxide sulphide and mixed

Nickel processing Extraction and refining | Britannica

Nickel processing Nickel processing Extraction and refining: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel

Handbook of Flotation Reagents Chemistry, Theory and

Handbook of Flotation Reagents Chemistry, Theory and Practice, Volume 1 Flotation of Sulfide Ores Details This book 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.

Copper activation option for a pentlandite–pyrrhotite

May 30, 2016· Different sulphide ores respond differently in the prospect of copper activation to thiols for froth flotation. With the BCL Selebi-Phikwe ore body, pentlandite–pyrrhotite–chalcopyrite co-occur and there is the constraint of fine pentlandite dissemination in the pyrrhotite, so that liberation is limited. In the presence of pentlandite, pyrrhotite can even be galvanically depressed.

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Beneficiation of low-grade weathered nickel sulfide ore

The final concentrate obtained in the cleaner flotation step reached up to 2% Ni and 7.0% MgO. The global and flotation recoveries in the process were approximately 30% and 60%, respectively, due to the losses of a constant flotation pH of 9.5 for silicate flotation and 5.5 for sulfide flotation. The final ore processing circuit is shown in

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Flotation of copper sulphides assisted by high intensity

Flotation of sulphide fines results, using CRF technique and HIC combined (CRF–HIC), were compared with a ‘‘standardized” mill laboratory procedure. Concentrate copper recoveries were of the order of 7– 18 per cent higher and their process kinetics

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Optimisation of Reagent Addition during Flotation of a

Sep 13, 2015· addition on flotation performance of a nickel sulphide ore. The objectives of the study were to: 1. develop an understanding of the effects of collector and depressant dosage, and its interactive effects, on flotation performance and 2. determine the effect of stage dosing collector and depressant on flotation performance.

Minerals | Free Full-Text | The Behaviour of Mixtures of

The use of mixtures of thiol collectors is reportedly beneficial in sulfide flotation. This is becoming standard practice for many concentrators, but process water recirculation and re-use in flotation circuits may compromise the behaviour of such mixtures owing to changes in physicochemical interactions occurring in the pulp phase as a result of water quality variations.

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Potential Use of Oxygen Depleted Air In Nickel Sulphide

amount of nickel sulphides was lost to the tailings during the nickel flotation. When the nickel flotation feed was sampled and tested in laboratory scale, most of the liberated

Nickel processing | Britannica

Sulfides. Canadian ores are sulfides containing nickel, copper, and iron. The most important nickel mineral is pentlandite, (Ni, Fe) 9 S 8, followed by pyrrhotite, usually ranging from FeS to Fe 7 S 8, in which some of the iron may be replaced by nickel.