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Search nickel and copper flotation:

Copper Nickel Flotation

Jun 15, 2017  The Bureau of Mines investigated the flotation responses of two copper nickel ore samples from the Duluth Complex with the objective of recovering bulk

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

All the flotation test-work was done using the Denver laboratory machine with a 1.5l stainless steel flotation cell. The required mass of nickel-copper sulphide ore material ground to 70% passing 75 µm was weighed and placed in the flotation cell. This was followed by the addition of distilled water to about

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Nickel Cobalt Flotation Process - 911 Metallurgist

nickel and cobalt and 15.9 pct of the copper originally in the copper concen­ trate; the remainder of the values reported to the flotation concentrate, which analyzed 29.6 pct Cu. To verify the laboratory flotation results, a 60 kg/hr process demonstra­

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NICKEL AND COBALT ORES: FLOTATION

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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FLOTATION OF COPPER AND NICKEL SULFIDES FROM TALCOSE ...

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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Process mineralogy of copper-nickel sulphide flotation by ...

Nov 01, 2009  Tel: +86-516-83995976; E-mail address: [email protected] Process mineralogy of copper-nickel sulphide flotation by a cyclonic-static micro-bubble flotation column CAO Yi-jun 1 , GUI Xia-hui 1 , MA Zi-long 1 , YU Xiao-xia 2 , CHEN Xiao-dong 2 , ZHANG Xiu-pin 2 1 School of Chemical Engineering and Technology, China University of Mining ...

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Copper-Nickel ores - Danafloat

Some plants use bulk flotation in an acid pH environment which is achieved using SO2 or H2SO4. 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.

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Copper Flotation - Mineral Processing Metallurgy

May 16, 2016  Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and maintenance costs. Also, considerable attention is paid to automatic sensing devices and automatic controls in order to assure maximum

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A New Process for Cobalt Nickel Separation

a) Copper, if present in commercial quantities, by solvent extraction. b) Iron and aluminum by hydrolysis with limestone or lime, and filtering. c) Last traces of copper, plus any zinc or cadmium present, by H2S precipitation and filtering. The resultant solution containing nickel

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Application of ferrate for the treatment of metal-sulfide ...

Mineral systems were investigated to determine their effect on copper and zinc removal. ... free cadmium or nickel is obtained simultaneously. ... flocs/liquid separation by flotation with ...

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Copper-Nickel Ore Processing - 911 Metallurgist

Nov 07, 2019  Copper and nickel were separated by solvent extraction with naphthenic acid in kerosene after partial neutralization of the iron-free liquors with ammonium hydroxide. Hydrogen sulphide and chlorine were used to remove zinc (and residual copper) and cobalt impurities respectively. Flotation

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Nickel and Cobalt Ores: Flotation - ResearchGate

The latter may be problematic when intergrown inclusions of pentlandite or nickel in solid solution are present (Rao, 2000). Rejecting hexagonal pyrrhotite may be achieved by (i) staged flotation ...

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US4460459A - Sequential flotation of sulfide ores - Google ...

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.

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(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

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US6428604B1 - Hydrometallurgical process for the recovery ...

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.

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Geometallurgy of cobalt ores: A review - ScienceDirect

Jan 01, 2021  Usually nickel and cobalt are separated from copper at some point in the flotation circuit, either by first producing a bulk sulphide concentrate and then floating copper (e.g., Sudbury-Xstrata, Noril’sk) or by sequential flotation of copper first and then nickel–cobalt (e.g., Kevitsa).

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Recovery of Valuable Metals from Nickel Smelting Slag ...

Nickel smelting slag contains valuable metals including nickel and copper. Failure to recycle these metals wastes resources, and disposal of nickel slag in stockpiles results in environmental pollution. Nickel slag recycling is important, and metals can be recovered from slag by flotation. However, considering the complex forms in which valuable metals occur in nickel slag, high yields are ...

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Nickel: smelting, producing-Metalpedia

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. Flotation of a Copper/Nickel Ore Containing Pyrrhotite is as follows:

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Effect of calcium and thiosulfate ions on flotation ...

Jan 01, 2002  Copper recovery was increased in the same way in the presence of thiosulfate during flotation as was found with the nickel and iron sulfides, but it is possible that this was rather a consequence of the improved flotability of pyrrhotite–chalcopyrite composite particles.

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A New Process for Cobalt Nickel Separation

a) Copper, if present in commercial quantities, by solvent extraction. b) Iron and aluminum by hydrolysis with limestone or lime, and filtering. c) Last traces of copper, plus any zinc or cadmium present, by H2S precipitation and filtering. The resultant solution containing nickel

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Legend Mining Ltd produces premium nickel and copper ...

Feb 11, 2021  Selective flotation demonstrated the ability to produce separate saleable copper and nickel concentrates – copper concentrate 31.8%, nickel concentrate 13.1%;

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Nickel Creek Succeeds at Separating Nickel and Copper ...

Jul 10, 2018  The final Cu/Ni separation flowsheet was assessed in locked cycle flotation testing and the Cu/Ni locked cycle test demonstrated substantial copper / nickel separability. An extended 10-cycle test showed good stability within three cycles, allowing reliable metal split factors to be collected over seven test cycles.

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The Critical Role of Pulp Density on Flotation Separation ...

In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation [].Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting, often resulting in the imposition of smelter penalties on mineral processing companies [].

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EP1325165A1 - Recovery of nickel and cobalt values from a ...

There is provided a process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate. The process involves forming a slurry of the flotation concentrate in a sulfuric acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach at elevated temperature under acidic conditions.

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

May 26, 2017  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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Hydrometallurgical process for the recovery of nickel and ...

An aqueous slurry of a nickel-cobalt-copper sulfidic flotation concentrate, typically containing 5 to 25% Ni, 1 to 10% Cu and 0.2 to 1.0% Co, with a particle size corresponding to a d 80 of 40 to 80 microns, is fed to an attritor mill in fine grinding step 12 to reduce the particle size to

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FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID WESTON

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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Improving the Flotation Circuit Performance Using ...

Jan 01, 2018  Froth flotation is used to produce nickel and copper concentrates. As is the case at other operations, the presence of magnesium is detrimental to the flotation products. In the past year, the exploitation of a new deposit has increased magnesium in the feed. Thus, it has been challenging to meet the required ratio in the final nickel concentrate.

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The Critical Role of Pulp Density on Flotation Separation ...

In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation [].Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting, often resulting in the imposition of smelter penalties on mineral processing companies [].

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Nickel Creek Succeeds at Separating Nickel and Copper ...

Jul 10, 2018  The final Cu/Ni separation flowsheet was assessed in locked cycle flotation testing and the Cu/Ni locked cycle test demonstrated substantial copper / nickel separability. An extended 10-cycle test showed good stability within three cycles, allowing reliable metal split factors to be collected over seven test cycles.

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Geometallurgy of cobalt ores: A review - ScienceDirect

Jan 01, 2021  Usually nickel and cobalt are separated from copper at some point in the flotation circuit, either by first producing a bulk sulphide concentrate and then floating copper (e.g., Sudbury-Xstrata, Noril’sk) or by sequential flotation of copper first and then nickel–cobalt (e.g., Kevitsa).

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Legend Mining Ltd produces premium nickel and copper ...

Feb 11, 2021  Selective flotation demonstrated the ability to produce separate saleable copper and nickel concentrates – copper concentrate 31.8%, nickel concentrate 13.1%;

Read More
EP1325165A1 - Recovery of nickel and cobalt values from a ...

There is provided a process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate. The process involves forming a slurry of the flotation concentrate in a sulfuric acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach at elevated temperature under acidic conditions.

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Projects — Missouri Cobalt

Froth flotation is particularly effective in recovering cobalt, nickel and copper minerals from above ground ore stocks and underground ores. The MMPP is designed to handle 300-360 tons per day of feed and can produce 1000-1500 tons per month of feedstock for the Hydrometallurgy Refining Process.

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Mining Industry Copper Sulfide Ore and Flotation Process ...

Jul 09, 2019  (5) Copper-nickel ore Copper minerals and nickel, such as nickel sulfide ore and nickel-containing pyrite and pyrrhotite. (6) Copper-cobalt ore Copper mineral and cobalt-containing pyrite and other cobalt minerals. (7) Arsenic sulfide copper ore The ore has a high content of arsenic, which is mainly in the form of arsenopyrite. Flotation ...

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Flotation Machine of Copper Zinc Lead Nickel Gold ...

Flotation Machine of Copper Zinc Lead Nickel Gold SelectionWeb: https://yxmineengineering/flotation-equipment.html?youtube=1The flotation machine is ...

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Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).

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cobalt processing Uses, Supply, Facts Britannica

From copper and nickel processing Cobalt contained in and smelted with copper concentrate is oxidized along with iron during the final conversion to blister copper. It then enters the slag layer, which can be treated separately, usually in an electric furnace , and the cobalt recovered by reduction with carbon to a copper-iron-cobalt alloy.

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