flotation copper nickel
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flotation copper nickel

Copper Nickel Flotation

2017-6-15  Cyclic Copper Nickel Flotation Tests. To further clarify the flotation response of the shaft sample, several cyclic tests were carried out. A 6-min grind in the

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

2020-1-8  parameters for the flotation of base metals from a nickel-copper sulphide ore. 2. Materials and Methods 2. 1. Materials The nickel-copper sulphide ore used in this study was supplied by Trojan Nickel Mine located in Bindura, Zimbabwe. From the X-ray diffraction analysis,

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A Comparative Study of Kinetics of Flotation of a Copper ...

2012-11-30  A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore by N-Hydrocinnamoyl-N-Phenylhydroxylamine (HCNPHA) Vis-A-Vis Potassium Amyl Xanthate (PAX) R. Natarajan* and I. Nirdosh Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1 * Present Address: Natural Resources Research Institute,

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FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID

FLOTATION OF COPPER-NICKEL SULFIDE ORES. United States Patent 3667690. Abstract: Flotation of sulphide minerals from their ores is achieved by a process in which two or more conditioning steps are carried out prior to a froth flotation step. The first step comprises conditioning a pulp of the ore in the presence of at least one alkaline agent ...

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Flotation Behavior of Jinchuan High Grade Copper-Nickel ...

The useful minerals of Jinchuan high-grade copper and nickel suphfide ores were mainly nickel and copper, whose grade were respectively 1.42% and 1.01%. The content of MgO and SiO2, main gangue components, reached 57.89%. The key to improve the separation indexes of flotation concentrate was to inhibit the gangue minerals effectively, therefore, the effects of different kinds of regulators on ...

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NICKEL AND COBALT ORES: FLOTATION

2016-6-7  A typical example of a nickel sulRde plant operat-ing with highly Soatable talcose gangue is at Trojan mineinZimbabwe.TheZimbabweansulRdedeposits contain very low grades of nickel (0.6%) and copper (0.04}0.4%). The easily Soatable non-sulRde min-erals dilute the grade of the concentrate and also result in nickel losses into the tailings. This ...

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Development of a Combined Flotation and High Pressure ...

The present study focused on the re-processing of copper and nickel from mine tailings. In this work, recovery of copper and nickel from mine tailing by combined process of flotation and high pressure oxidative leaching were considered. In the first stage, effects of flotation parameters including collector type, collector dosage, and pH and pulp density were examined.

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Effect of a novel phosphate on the flotation of serpentine ...

2020-5-1  In the flotation process of serpentine-containing copper-nickel sulfide ore, serpentine slime coatings significantly reduced the flotation performance of copper-nickel sulfide. Sodium phytate is a highly effective dispersant for MgO control in the flotation of copper-nickel ore.

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The effect of crystallochemical peculiarities of nickel ...

2004-11-19  The FTIR (DRIFT) and FT-Raman studies of the products of copper–nickel ore flotation have recorded the presence of goethite, iron sulphates and sulphur element on the surface of mineral grains. It is a characteristic that the elemental suphur peaks' intensity decreased in the spectra on transition from the concentrate of between-bath to basic ...

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IN NICKEL Metallurgists Perth Perth Strategic Metallurgy

selective flotation of copper and nickel sulfides Strategic Metallurgy have demonstrated differential flotation techniques for Western Australian copper and nickel sulfide ores in saline water. Historically, selective flotation of copper from nickel sulfides has been achieved through pH modification; however, this method is rarely efficient ...

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A Comparative Study of Kinetics of Flotation of a Copper ...

2012-11-30  A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore by N-Hydrocinnamoyl-N-Phenylhydroxylamine (HCNPHA) Vis-A-Vis Potassium Amyl Xanthate (PAX) R. Natarajan* and I. Nirdosh Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1 * Present Address: Natural Resources Research Institute,

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(PDF) Development of a Combined Flotation and High ...

2017-5-26  Flotation behavior of copper and nickel as a function of collector dosage (Flotation conditions: 10% pulp density, pH 5, and flotation time of 10 minutes). tite ( 1 Fe S x −

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FLOTATION OF COPPER AND NICKEL SULFIDES FROM

A method for the flotation of nickel and copper sulphide minerals from talcose bearing ores using an alkaline circuit in which at least one of the alkaline reagents is soda ash or ammonium hydroxide and following conditioning of the pulp with a collecting agent of the xanthate family to activate the nickel and copper sulphide materials, the pulp is conditioned with a flocculating agent to ...

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Flotation Behavior of Jinchuan High Grade Copper-Nickel ...

The useful minerals of Jinchuan high-grade copper and nickel suphfide ores were mainly nickel and copper, whose grade were respectively 1.42% and 1.01%. The content of MgO and SiO2, main gangue components, reached 57.89%. The key to improve the separation indexes of flotation concentrate was to inhibit the gangue minerals effectively, therefore, the effects of different kinds of regulators on ...

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Copper-Nickel ores - Danafloat

Separation of the bulk concentrate copper and nickel minerals is generally accomplished by flotation of the copper from pentlandite and nickel-bearing iron sulphides which report to the flotation tails. Pentlandite and iron sulphides are depressed by raising the pH

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Method of flotation enrichment of sulphidic copper-nickel

The invention relates to the beneficiation of minerals and can be used in the processing of sulphide copper-Nickel ores. There is a method of enrichment of sulphide copper-Nickel ores, comprising grinding the original ore to a particle size of 80-83% of the content of

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Effect of a novel phosphate on the flotation of serpentine ...

2020-5-1  In the flotation process of serpentine-containing copper-nickel sulfide ore, serpentine slime coatings significantly reduced the flotation performance of copper-nickel sulfide. Sodium phytate is a highly effective dispersant for MgO control in the flotation of copper-nickel ore.

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The effect of crystallochemical peculiarities of nickel ...

Flotation kinetics of pentlandite and violarite contained in copper–nickel ores and the effect of crystallochemical peculiarities of the minerals on their flotation features are studied.

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The effect of a novel depressant on the separation of talc ...

2019-1-21  for flotation separation of copper/nickel minerals, respectively. The Cu/Ni bulk flotation used 1kg ore to obtain a Cu/Ni bulk concentrates. After wet grinding, the desired amounts of reagents were added to the slurry while agitating at about 1900 rpm andthe slurry was conditioned for 6 min.

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FROTH FLOTATION : RECENT TRENDS Flotation of

2011-12-1  History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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(PDF) Development of a Combined Flotation and High ...

2017-5-26  Flotation behavior of copper and nickel as a function of collector dosage (Flotation conditions: 10% pulp density, pH 5, and flotation time of 10 minutes). tite ( 1 Fe S x −

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FLOTATION OF COPPER AND NICKEL SULFIDES FROM

A method for the flotation of nickel and copper sulphide minerals from talcose bearing ores using an alkaline circuit in which at least one of the alkaline reagents is soda ash or ammonium hydroxide and following conditioning of the pulp with a collecting agent of the xanthate family to activate the nickel and copper sulphide materials, the pulp is conditioned with a flocculating agent to ...

More

Flotation Behavior of Jinchuan High Grade Copper-Nickel ...

The useful minerals of Jinchuan high-grade copper and nickel suphfide ores were mainly nickel and copper, whose grade were respectively 1.42% and 1.01%. The content of MgO and SiO2, main gangue components, reached 57.89%. The key to improve the separation indexes of flotation concentrate was to inhibit the gangue minerals effectively, therefore, the effects of different kinds of regulators on ...

More

The method of flotation of sulfide copper-nickel ores

The method of flotation of sulfide copper-Nickel ores, including grinding and conditioning of the ore in the presence of sulfhydryl collector - dithiocarbonate, the introduction of the first stage of flotation oil-soluble sulfonates of alkaline earth metals and of the expander and stepwise selection of sulfide mniam to

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Use of Ozone in the Differential Flotation of Bulk Copper ...

Differential flotation of bulk sulfide concentrates from Duluth gabbro into copper and nickel concentrates could be implemented by first destroying the hydrophobic coating with ozone and then by recovering the copper concentrate with a copper-selective collector. A number of parameters involved in the use of ozone, such as the sequence and the conditioning time of ozone treatment, the pulp pH ...

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Method of flotation enrichment of sulphidic copper-nickel

The invention relates to the beneficiation of minerals and can be used in the processing of sulphide copper-Nickel ores. There is a method of enrichment of sulphide copper-Nickel ores, comprising grinding the original ore to a particle size of 80-83% of the content of

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Enhancing flotation separation of chalcopyrite and ...

2021-3-18  Through flotation of Copper-Nickel Sulfide Ores, the copper-nickel mixed concentrate with copper grade of 4.43% and recovery of 88.18% is obtained. In the pH range of 2–12, the surface of ...

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The effect of a novel depressant on the separation of talc ...

2019-1-21  for flotation separation of copper/nickel minerals, respectively. The Cu/Ni bulk flotation used 1kg ore to obtain a Cu/Ni bulk concentrates. After wet grinding, the desired amounts of reagents were added to the slurry while agitating at about 1900 rpm andthe slurry was conditioned for 6 min.

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某富钴低镍锍矿的铜镍钴分离技术研究-Research on Copper ...

2020-7-8  Cobalt is enriched in nickel concentrate, and the recovery rate is 97.00%. The mineral processing technology achieves better flotation separation of copper and nickel-cobalt in cobalt-rich and low-nickel matte ore.

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FROTH FLOTATION : RECENT TRENDS Flotation of

2011-12-1  History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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