Copper Mining and Extraction: Sulfide Ores

The liquid left is a mixture of copper sulfides and iron sulfides. It is called a matte. Stage 5: Conversion of matte to copper blister The liquid matte is oxidised with air to form blister copper in a converter. Blister copper from the smelter is poured into the anode casting moulds.

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Autoclave Leaching of Copper Nickel Matte

The present invention relates to a method for treating mixtures containing copper, nickel and sulfur to obtain each metal as a sulfide in crystalline form substantially chemically free from sulfides of the other metal preliminary to the separation of copper sulfide from nickel sulfide, and more particularly to a method for treating Bessemer matte to provide a product in which copper sulfide ...

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copper nickel sulphide matte separation technique

Jan 12, 2017· In the treatment of copper-nickel sulfide ores, separation of copper from the nickel has been one of the major metallurgical problems. This article describes techniques adopted by Inco on the basis of its laboratory studies and pilot-plant development.

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Nickel Ore Processing-Ore Beneficiation,Flotation Process ...

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.

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NIOSHTIC-2 Publications Search - 10008298 - Separation of ...

The technique utilizes a two-stage bulk sulfide flotation procedure to obtain a copper concentrate that analyzed 25 percent copper and 0.5 percent nickel, and a nickel concentrate that analyzed 10 percent nickel and about 1 percent copper. As an alternative route, flotation of matte was also investigated.

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COBALT PROCESSING DEVELOPMENTS K G Fisher Bateman ...

3.3 Nickel Sulphides Nickel sulphide deposits have historically been processed by flotation, followed by smelting to produce a PGM-bearing nickel matte which is shipped to specialist refineries using hydrometallurgical processes to recover the nickel, copper, PGMs and cobalt. There are many such refinery processes including:

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Major Mines & Projects | Sudbury Mine

It is then crushed, ground, and separated into metallics, nickel sulphides and copper sulphides by magnetic separation and flotation in the Matte Separation Plant. All of the precious metal-bearing metallic, and some of the nickel oxide, are sent to the Copper Cliff Nickel Refinery. The remaining nickel sulphide is roasted in fluid bed roasters.

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Cobalt extraction - Wikipedia

Cobalt extraction refers to the techniques used to extract cobalt from its ores and other compound ores. Several methods exist for the separation of cobalt from copper and nickel.They depend on the concentration of cobalt and the exact composition of the used ore

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Major Mines & Projects | Coleman Mine

It is then crushed, ground, and separated into metallics, nickel sulphides and copper sulphides by magnetic separation and flotation in the Matte Separation Plant. All of the precious metal-bearing metallic, and some of the nickel oxide, are sent to the Copper Cliff Nickel Refinery. The remaining nickel sulphide is roasted in fluid bed roasters.

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NICKEL AND COBALT ORES: FLOTATION

The usual method of nickel extraction from sulRde ores is through the production of nickel matte after enriching the nickel content of the ore. This is com-monly carried out by magnetic separation, Sotation, or a combinationof both after the ore is comminuted to below 200 m in size. The enrichment depends

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Nickel Mining, Nickel Mines, Nickel Mine, Copper Mining ...

Nickel is convalescing by extractive metallurgy. The majority sulfide ores have conservatively been processed utilize hydrometallurgical techniques to fabricate a matter for more refining. Latest go forward in hydrometallurgy have effect in current nickel dispensation …

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Nickel: smelting, producing-Metalpedia

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 ...

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US2934428A - Method for treating nickel sulphide ore ...

US2934428A US657734A US65773457A US2934428A US 2934428 A US2934428 A US 2934428A US 657734 A US657734 A US 657734A US 65773457 A US65773457 A US 65773457A US 2934428 A US2934428 A US 2934428A Authority US United States Prior art keywords nickel copper matte iron cobalt Prior art date 1957-05-08 Legal status (The legal status is an assumption and is not a legal …

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Treatment of Nickel-Copper Matte - adsabs.harvard.edu

In the treatment of copper-nickel sulfide ores, separation of copper from the nickel has been one of the major metallurgical problems. This article describes techniques adopted by Inco on the basis of its laboratory studies and pilot-plant development.

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A New Process for Cobalt Nickel Separation - Teck

excellent 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 leaching.

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Extraction and Refining of the Platinum Metals | Johnson ...

Converter matte, salt cake (sodium sulphate) and coke are fed in and the molten materials run into a settler where the sodium sulphide/copper sulphide top layer flows continuously into a ladle, while the bottom layer of nickel matte is tapped intermittently.

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

flotation separation is highly dependent on changes in feed characteristics all of which may influence ... technique that has been widely used for product design and process optimization in manufacturing and ... Chemical composition of the nickel-copper sulphide ore (mass fraction, %).

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Extractive Metallurgy of Nickel, Cobalt and Platinum Group ...

Two different nickel sulfide intermediates must be refined to pure nickel and cobalt products: sulfide matte from nickel sulfide smelting and converting and sulfide precipitates from nickel laterite leaching. These data indicate that hydrometallurgy is the principal method for making high-purity nickel from these mattes and sulfide intermediates.

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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.

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Separation of copper and nickel sulfides - INT NICKEL CO

The present invention relates to a method for treating mixtures containing copper, nickel and sulfur to obtain each metal as a sulfide in crystalline form substantially chemically free from sulfides of the other metal preliminary to the separation of copper sulfide from nickel sulfide, and more particularly to a method for treating Bessemer matte to provide a product in which copper sulfide ...

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Vale | Sudbury Air Quality

This is crushed, ground and separated into metallics, nickel sulphides and copper sulphides by magnetic separation and flotation in the Matte Separation Plant. All of the precious metal bearing metallics and some of the nickel sulphide are sent to the Copper Cliff Refinery. The remaining nickel sulphide is roasted in fluid bed roasters.

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US2419973A - patents.google.com

k. sproule et-al s eparatibn of copper and nickel sulfides filed march 21, 1944 2 sheets-sheet 2 molten mass containing copper, nickel and sulphur regulateo slowcooling from temperatures at which primary crystals form to below about q60e 51.0w or rapid cooling to below about 200 e comminution mechanical separation of nickel sulphide and copper ...

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How can I seperate copper from nickel? - ResearchGate

How can I seperate copper from nickel? ... particles of copper sulfide, nickel sulfide, and a metallic fraction will be formed. ... leaching one or two metals from the matte also can be used to ...

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Major Mines & Projects | Copper Cliff North Mine

It is then crushed, ground, and separated into metallics, nickel sulphides and copper sulphides by magnetic separation and flotation in the Matte Separation Plant. All of the precious metal-bearing metallic, and some of the nickel oxide, are sent to the Copper Cliff Nickel Refinery. The remaining nickel sulphide is roasted in fluid bed roasters.

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Enhanced methods for nickel recovery from low-grade ores ...

Sep 06, 2017· They also stated that nickel sulfide ores mined for nickel need a grade of greater than 3% Ni for underground mining, and greater than 1% Ni for surface mining, in order to be profitable. Nickel Recovery and Techniques of Mining Nickel from Lateritic Deposits

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Nickel Ore Processing-Ore ... - Magnetic separation

Copper the nickel smelting harmful impurities in copper grade of copper-nickel ores and industrial recovery value, copper-nickel separation technology is an important topic in the copper-nickel ore processing. Copper-nickel separation technology is divided into two kinds of mixed concentrate separation of copper-nickel and high-nickel matte ...

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Potential for New Nickel-Copper Sulfide Deposits in the ...

Scientists from the U.S. Geological Survey are evaluating the potential for undiscovered sulfide deposits containing varying amounts of nickel, copper, platinum-group metals, and cobalt in the Lake Superior region as part of an ongoing effort to assess the mineral potential of the United States.

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Norilsk Nickel: This Mining Giant Is Poised To Deliver ...

Feb 02, 2018· Norilsk Nickel: This Mining Giant Is Poised To Deliver ... the copper-nickel sulfide ore deposits Talnakhskoye and Oktyabrskoye in the ... Using the sulphuric acid leaching technique for nickel ...

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12.3 Primary Copper Smelting

Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4

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Nickel, copper and cobalt distribution and equilibria in ...

Nickel, copper and cobalt distribution and equilibria in Anglo Platinum furnace slags L. Andrews 1,2 and P. C. Pistorius *2,3 Base metals (nickel, copper and cobalt) are recovered as part of the smelting and refining process operated by Anglo Platinum in South Africa. This study focuses on the losses of these

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