the selective flotation of pentlandite from a nickel ore

Pentlandite oxidation in the flotation of a complex …

Pentlandite oxidation in the flotation of a complex …

Flotation of a low grade pentlandite ore containing large amounts of serpentine minerals from Western Australia was conducted with process water having high ionic strength.

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The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres

The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres

to flotation to help depress pyrite and pyrrhotite and promote chalcopyrite and galena (Konigsmann, 1985). The effect ~f oxidation, however, can be quite complicated. For example, It has been reported to be beneficial for selective flotation of pentlandite in one

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Selective Copper Nickel Flotation

Selective Copper Nickel Flotation

The selective flotation of pentlandite from a nickel ore - ResearchGate The procedure exploits the particle size dependence of pentlandite and pyrrhotite flotation, the different ways that pH change and each of the reagents copper...

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The selective flotation of pentlandite from a nickel ore

The selective flotation of pentlandite from a nickel ore

 · Process. 43 (1995) 209-234 HITERnlITIOIliBaL JOURML OF mlnERgt PRO(ESSln6 The selective flotation of pentlandite from a nickel ore G.D. Senior, W.J. Trahar, P.J. Guy CSIRO Division of Mineral and Process Engineering, Box 312 Rosebank MDC, Clayton

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Parameters Nickel Sulphide Ore Using Optimum Flotation …

Parameters Nickel Sulphide Ore Using Optimum Flotation …

Xanthates Collectors on the Recovery of Nickel and Pentlandite in a Low Grade Nickel Sulphide Ore Using Optimum Flotation Parameters, Particulate Science and Technology, DOI: 10.1080/02726351.2016 ...

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separation of nickel from a nickel ore

separation of nickel from a nickel ore

Nickel Ore Processing / Highmetals KDS Technologies The magnetic separation and re-election is usually secondary dressing method. Flotation of sulfide copper-nickel ore, it is often uses copper sulfide flotation... Ferronickel enrichment by fine particle reduction

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A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore Harris, C. T.; Pickles, C. A.; Peacey, J. G. 2012-10-30 00:00:00 The production of a nickel sulphide concentrate through selective sulphidation of a nickeliferous lateritic ore at temperatures ...

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Effect of Oxygen and Micro-Cracking on the Flotation of Low Grade Nickel Sulphide Ore

Effect of Oxygen and Micro-Cracking on the Flotation of Low Grade Nickel Sulphide Ore

cracking favored the recovery of nickel. Keywords—Flotation, Conventional air, Oven micro-cracking, Recovery. I. INTRODUCTION OW grade nickel-sulphide ore typically contain predominantly serpentine, pentlandite, millerite, antigorite and chrysotile. Other

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Selective Copper Nickel Flotation

Selective Copper Nickel Flotation

The selective flotation of pentlandite from a nickel ore - ResearchGate The procedure exploits the particle size dependence of pentlandite and pyrrhotite flotation, the different ways that pH change and each of the reagents copper...

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(PDF) Process flowsheet development for beneficiation of …

(PDF) Process flowsheet development for beneficiation of …

In batch tests on an ore containing pentlandite, pyrrhotite, pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of the nickel in a concentrate ...

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Pentlandite oxidation in the flotation of a complex nickel …

Pentlandite oxidation in the flotation of a complex nickel …

Flotation of a low grade pentlandite ore containing large amounts of serpentine minerals from Western Australia was conducted with process water having high ionic strength. Nickel recovery was low in the flotation of both fine and coarse fractions. X-ray photoelectron spectroscopy (XPS) analysis indicated that oxidation occurred on both fine and coarse pentlandite particles. To reduce ...

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10.1016/0301-7516(94)00048-5 | DeepDyve

10.1016/0301-7516(94)00048-5 | DeepDyve

Nicke,1 sulide ores containing pentlandite, pyrrhotite and talc have traditionally been treated by bulk sulide flotation, an approach which seeks to maximise nickel recovery and talc rejection but which does not reject pyrrhotite. Concentrates have therefore been of

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(PDF) Process flowsheet development for beneficiation …

(PDF) Process flowsheet development for beneficiation …

In batch tests on an ore containing pentlandite, pyrrhotite, pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of the nickel in a concentrate ...

Get price
Process for the selective flotation of pentlandite in the …

Process for the selective flotation of pentlandite in the …

The known method of selective flotation of pentlandite from Nickel-pyrrhotite middlings obtained by enrichment of sulfide copper-Nickel ores, including the processing of pulp middlings lime, providing depression flotation of pyrrhotite, conditioning the pulp with butyl

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Pentlandite oxidation in the flotation of a complex nickel …

Pentlandite oxidation in the flotation of a complex nickel …

 · The current study indicates that oxidation occurred on both fine and coarse pentlandite in the flotation of a complex nickel ore in saline water. The flotation of both fine and coarse fractions could be improved by adding NaHS or dithionite during grinding. However

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extraction of nickel from pentlandite ore

extraction of nickel from pentlandite ore

Main ore is Pentlandite; Nickel is extracted from ores through the Mond procedure, in which nickel oxides are purified throughout several steps into pure nickel metal. It is placed with hydrogen and carbon monoxide gases at 122 degrees Fahrenheit, which converts it to impure nickel.

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The Separation of Pentlandite from Chalcopyrite, …

The Separation of Pentlandite from Chalcopyrite, …

nickel. Four types of ore are proposed, each presenting their own processing challenges. These are: economic grades of Ni, Cu and PGE (platinum group element) in a pyrrhotite-bearing sulfide deposit, with low pyrrhotite to pentlandite ratios

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Selective flotation of fine-grained pentlandite from low …

Selective flotation of fine-grained pentlandite from low …

The main aim of this study is to test a new type of an impeller in selective flotation of a low grade polymetallic Ni-Cu-PGE ore. The effect of impeller type and speed on bubble size and nickel grade and recovery was investigated. It was noticed that bubble size

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NICKEL AND COBALT ORES: FLOTATION

NICKEL AND COBALT ORES: FLOTATION

gangue minerals, thus leading to nickel loss. Flotation Practice in Nickel Sulde Deposits Nickel sulRde minerals such as pentlandite can, in general, be separated from their gangue by Sotation using a thiol group of collectors like xanthates and

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separation of nickel from a nickel ore

separation of nickel from a nickel ore

Nickel Ore Processing / Highmetals KDS Technologies The magnetic separation and re-election is usually secondary dressing method. Flotation of sulfide copper-nickel ore, it is often uses copper sulfide flotation... Ferronickel enrichment by fine particle reduction

Get price
(PDF) Process flowsheet development for beneficiation …

(PDF) Process flowsheet development for beneficiation …

In batch tests on an ore containing pentlandite, pyrrhotite, pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of the nickel in a concentrate ...

Get price
Parameters Nickel Sulphide Ore Using Optimum Flotation Recovery of Nickel and Pentlandite …

Parameters Nickel Sulphide Ore Using Optimum Flotation Recovery of Nickel and Pentlandite …

Xanthates Collectors on the Recovery of Nickel and Pentlandite in a Low Grade Nickel Sulphide Ore Using Optimum Flotation Parameters, Particulate Science and Technology, DOI: 10.1080/02726351.2016 ...

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The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres

The Effect of Oxidation on the Flotation Behaviour of Nickel-CopperOres

to flotation to help depress pyrite and pyrrhotite and promote chalcopyrite and galena (Konigsmann, 1985). The effect ~f oxidation, however, can be quite complicated. For example, It has been reported to be beneficial for selective flotation of pentlandite in one

Get price
(PDF) Selective sulphidation and flotation of nickel from …

(PDF) Selective sulphidation and flotation of nickel from …

The sulphidation of a nickeliferous lateritic ore was studied at temperatures between 450 and 1100 C and for sulphur additions of 25–1000 kg of sulphur per tonne of ore. The experiments demonstrated that the nickel could be selectively sulphidized

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(PDF) Selective sulphidation and flotation of nickel from …

(PDF) Selective sulphidation and flotation of nickel from …

The sulphidation of a nickeliferous lateritic ore was studied at temperatures between 450 and 1100 C and for sulphur additions of 25–1000 kg of sulphur per tonne of ore. The experiments demonstrated that the nickel could be selectively sulphidized

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(PDF) Selective sulphidation and flotation of nickel from …

(PDF) Selective sulphidation and flotation of nickel from …

The sulphidation of a nickeliferous lateritic ore was studied at temperatures between 450 and 1100 C and for sulphur additions of 25–1000 kg of sulphur per tonne of ore. The experiments demonstrated that the nickel could be selectively sulphidized

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Pentlandite oxidation in the flotation of a complex nickel …

Pentlandite oxidation in the flotation of a complex nickel …

Flotation of a low grade pentlandite ore containing large amounts of serpentine minerals from Western Australia was conducted with process water having high ionic strength. Nickel recovery was low in the flotation of both fine and coarse fractions. X-ray photoelectron spectroscopy (XPS) analysis indicated that oxidation occurred on both fine and coarse pentlandite particles. To reduce ...

Get price
Process for the selective flotation of pentlandite in the …

Process for the selective flotation of pentlandite in the …

The known method of selective flotation of pentlandite from Nickel-pyrrhotite middlings obtained by enrichment of sulfide copper-Nickel ores, including the processing of pulp middlings lime, providing depression flotation of pyrrhotite, conditioning the pulp with butyl

Get price
nickel sulfide flotation

nickel sulfide flotation

Nickel ore divides into copper sulfide and copper oxide ore, the main process for copper sulfide is flotation, magnetic and gravity separation is the subsidiary process is a high technological enterprise that integrated research, manufacture, sales and service .

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A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore Harris, C. T.; Pickles, C. A.; Peacey, J. G. 2012-10-30 00:00:00 The production of a nickel sulphide concentrate through selective sulphidation of a nickeliferous lateritic ore at temperatures ...

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Magnetic separation of pentlandite from serpentine by …

Magnetic separation of pentlandite from serpentine by …

Abstract In this study, pentlandite was selectively separated from serpentine using magnetic coating technology by adjusting and optimizing pH, stirring speeds, magnetic field intensities, and dosages of sodium hexametaphosphate (SHMP) and sodium oleate (SO).

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A few aspects of the connections between ore …

A few aspects of the connections between ore …

The serpentinite massifs of Hitura are located in the municipality of Nivala in Central Finland. The most important sulfide minerals in the ore are pentlandite, pyrrhotite and chalcopyrite. The ore body consists of amphibolite rocks in contact with serpentinite against mica gneiss. The mean Ni grade of the ore is about 0.7%, and the highest Ni grades have been encountered in close contact. In ...

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The selective flotation of pentlandite from a nickel ore

The selective flotation of pentlandite from a nickel ore

Nickel sulphide ores containing pentlandite, pyrrhotite and talc have traditionally been treated by bulk sulphide flotation, an approach which seeks to maximise nickel recovery and talc rejection but which does not reject pyrrhotite. Concentrates have therefore

Get price
GB2182587A

GB2182587A

Process for the selective separation of nickel sulphide minerals in the form of pentlandite from ores containing iron sulphide minerals in the form of pyrrhotite. The process involves froth flotation of an aqueous pulp of the ore; the pH of the pulp is maintained in the range 3 to 7, preferably 4 to 6.

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Selective flotation of fine-grained pentlandite from low …

Selective flotation of fine-grained pentlandite from low …

 · Nickel is mainly sourced from laterite and sulphide ores, with 70% sourced from laterite and 30% found in sulphide ores ( Farrokhpay & Filippov, 2016 ). Pentlandite (Fe,Ni)9 S 8, the major nickel hosting sulphide mineral, is typically processed by froth flotation ( Marape & Vermaak, 2012 ).

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Magnetic separation of pentlandite from serpentine by …

Magnetic separation of pentlandite from serpentine by …

Abstract In this study, pentlandite was selectively separated from serpentine using magnetic coating technology by adjusting and optimizing pH, stirring speeds, magnetic field intensities, and dosages of sodium hexametaphosphate (SHMP) and sodium oleate (SO).

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separation of nickel from a nickel ore

separation of nickel from a nickel ore

Nickel Sulphide Deposits - the principal ore mineral is pentlandite (Fe,Ni)O(OH) ... be concentrated using a simple physical separation technique called flotation. Read more Purification of nickel solution obtained from leaching of Ni–Mo ore ...

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A few aspects of the connections between ore …

A few aspects of the connections between ore …

The serpentinite massifs of Hitura are located in the municipality of Nivala in Central Finland. The most important sulfide minerals in the ore are pentlandite, pyrrhotite and chalcopyrite. The ore body consists of amphibolite rocks in contact with serpentinite against mica gneiss. The mean Ni grade of the ore is about 0.7%, and the highest Ni grades have been encountered in close contact. In ...

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A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore …

A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore …

Copper-nickel ore from INCO mines, Sudbury, Ontario, Canada was used in the experiments. The approximate ore composition was pentlandite 4-5%, chalcopyrite 4-5% and pyrrhotite 30-35%. The ore was ground in a polyurethane lined rod mill with stainless

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A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation …

A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore A Thermodynamic Analysis of the Selective Sulphidation of Nickel from a Nickeliferous Lateritic Ore Harris, C. T.; Pickles, C. A.; Peacey, J. G. 2012-10-30 00:00:00 The production of a nickel sulphide concentrate through selective sulphidation of a nickeliferous lateritic ore at temperatures ...

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