copper nickel sulphide matte separation technique

Treatment of Nickel-Copper Matte | SpringerLink

高达10%返现 · 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.

Efficient Synchronous Extraction of Nickel, Copper, and ...

Jun 18, 2020 · Synchronous extractions of nickel, copper, and cobalt by selective chlorinating roasting and water leaching to low–grade nickel–copper matte. Separation and

Separation Of Copper Sulphide And Nickel Sulphide Matte In ...

Separation Of Copper Sulphide And Nickel Sulphide Matte In Nickel Sulphide Ores. Nickel Sulfide Wikipedia. ... Smelting of nickel sulfide ores yields a matte in which nickel and copper make up about 15 percent, iron about 50 percent, and sulfur the rest the iron is removed. Prices / Quote. Flotation Of Nickelcopper Sulphide Ore Optimisation Of.

Separating the Platinum Group Metals by Liquid-Liquid ...

copper-nickel sulphide matte, and hydro- metallurgical concentration 3. Final refining to produce the individual platinum group metals. This article concentrates on the last stage, the final refining stage, of this overall process. Current refining processes are based

Separation of Copper-Nickel by Flotation and Magnetic Methods

Nov 23, 2018 · Saturated lime solutions demonstrate a pH level of 12.4 to 12.5. Since nickel sulfide depression is highest at this pH level, most testing was carried out in saturated lime water. At pH 12.4, KEX did not float the copper sulfides. When flotation was carried out at lower pH’s (8 to 10), the separation of copper from nickel was not sharp.

Refining of Nickel Copper Cobalt Mattes by Pressure ...

Jun 05, 2020 · Matte of this general composition is encountered more frequently than the others in this series, due to the natural association of nickel and copper sulphide minerals in many parts of the world. Usually, a flotation separation may be made to provide a copper concentrate low in nickel, and the nickel concentrate then contains some copper.

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.

Separation Of Copper Sulphide And Nickel Sulphide Matte In ...

Separation Of Copper Sulphide And Nickel Sulphide Matte In Nickel Sulphide Ores. Nickel Sulfide Wikipedia. ... Smelting of nickel sulfide ores yields a matte in which nickel and copper make up about 15 percent, iron about 50 percent, and sulfur the rest the iron is removed. Prices / Quote. Flotation Of Nickelcopper Sulphide Ore Optimisation Of.

Segregation-separation of copper from nickel in copper ...

Another pyrometallurgical method involves controlled slow cooling of the matte which promotes the formation of discreet particles of nickel sulfide, copper sulfide and a metallic fraction within the slowly cooled matte. These products are then recovered by a combination of crushing, grinding, flotation and magnetic separation.

Refining of Nickel Copper Cobalt Mattes by Pressure ...

Jun 05, 2020 · Matte of this general composition is encountered more frequently than the others in this series, due to the natural association of nickel and copper sulphide minerals in many parts of the world. Usually, a flotation separation may be made to provide a copper concentrate low in nickel, and the nickel concentrate then contains some copper.

US3773494A - Smelting of copper sulphide concentrates with ...

In smelting ores and concentrates of copper or nickel, matte fall is obtained by recycle of ferrous sulfate which is produced when the matte is leached with sulfuric acid. The residue from leaching then contains the copper, nickel or cobalt values in concentrated form. In this method the ferrous sulfate is reduced to ferrous sulfide at elevated temperatures.

A New Process for Cobalt Nickel Separation

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.

Column Flotation Development for Copper Scavenging in Inco ...

Jan 01, 1991 · Minor amounts of iron, precious metals, and nuisance elements are also present.The matte separation process is, in concept, relatively simple. Following magnetic removal of the metallic alloy from the feed, the flowsheet is designed to float a high grade copper concentrate from the nickel sulphide matrix. A simplified flowsheet of the process ...

How can I seperate copper from nickel? - ResearchGate

In the end, you can recover the metals by means of crushing, grinding, flotation and magnetic separation. Besides, leaching one or two metals from the matte also can

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

This solution is heated to remove copper, and the use of hydrogen gas under high pressure precipitates nickel metal; remaining nickel in the solution can be precipitated by adding hydrogen sulfide. The process steps of the two methods of magmatic sulfide ores can be found in Figure 4 .

Nickel processing - Extraction and refining | Britannica

Various processes are used to treat nickel matte. One process is the ammonia pressure leach, in which nickel is recovered from solution using hydrogen reduction, and the sulfur is recovered as ammonium sulfate for use as fertilizer.In another, the matte may be roasted to produce high-grade nickel oxides; these are subjected to a pressure leach, and the solution is electro- and carbonyl refined.

Vale’s Base Metals Video Series

The main mineral processing method for copper-nickel sulphide is flotation separation. Different minerals respond to water and to various added chemicals in diverse ways. By knowing the minerals’ respective surface properties, we can separate the different minerals in the feedstock. The valuable minerals such as nickel and copper

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

Here pure nickel cathodes are produced, while the platinum metals accumulate in the anode residues and are removed for the separation and refining of the individual metals. As in the copper refinery, the cells are constructed of rubber-lined concrete and 24 cells make up one unit. Internal dimensions of the cells are about 11 ½ × 2 × 2½ feet.

Chapter 6 Copper Production Technology

discovered that heat made copper more malle-able. Casting and smelting of copper began around 4000-3500 B.C. (see figure 6-2). About 2500 B. C., copper was combined with tin to make bronze—an alloy that allowed stronger weapons and tools. Brass, an alloy of

Nickel Processing

Nickel: smelting, producing-Metalpedia › Most Popular Law Newest at asianmetal Courses. Posted: (5 days ago) 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, solvent extraction is used to separate the cobalt and nickel, with the final ...

Treatment of Nickel-Copper Matte - NASA/ADS

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.

Segregation-separation of copper from nickel in copper ...

Another pyrometallurgical method involves controlled slow cooling of the matte which promotes the formation of discreet particles of nickel sulfide, copper sulfide and a metallic fraction within the slowly cooled matte. These products are then recovered by a combination of crushing, grinding, flotation and magnetic separation.

Development of Electrochemical Dissolution Method for ...

Sep 30, 2021 · A method is developed for separating nickel-copper alloy by electrolysis of crushed nickel matte in sulfuric acid solution to obtain a cathode precipitate, an electrolyte solution saturated with nickel, and sulfur-sulfide sludge. A distinctive feature of this work is use of a bulk anode formed by crushed matte particles with a size of 0.5–5 mm. Nickel matte is formed by nickel phase Ni3S2 ...

Separation of nickel from copper - THE INTERNATIONAL ...

The iron sulfide along with the associated nonferrous sulfide minerals is comminuted to at least about 100% minus 20 mesh Tyler Screen Size (T.S.S.) in order to insure good solid-liquid and solid-gas contact and dispersion and to insure good separation of nickel from copper with corresponding high grade copper concentrates being obtained.

Applications of Chlorination of Copper: Separation ...

Chlorination technique for simultaneously extracting Ni and Cu from mixed oxide-sulfide copper-nickel ore or selective chlorination for the removal of copper from copper slag was developed. Copper film is a promising material which can ... in the separation between matte and slag, low recovery of valuable metals, and etc. A low-temperature ...

Development of Copper/Nickel Separation at INCO

Jan 01, 2004 · Improved copper / nickel separation in milling operations has the potential to substantially improve the processing of the resulting concentrates and thus the overall return from the extraction of nickel and copper from sulfide ores.INTRODUCTIONNickel metal by itself or in alloys with other metals and materials makes a significant contribution ...

Extraction and Refining of the Platinum Metals

bottom layer of nickel matte is tapped intermittently. By careful control of temperature and sulphur content a nickel matte can be obtained containing little copper and all the platinum metals, whereas any gold will have followed the copper sulphide into the “tops” layer. Casting the enrichd nickel matte into pigs. These are then crushed ...

The chemistry of the nickel-copper matte leach and its ...

Jun 01, 1992 · A mineralogical study of the phases formed during the CuSO 4 H 2 SO 4 O 2 leaching of nickel-copper matte Can. Metall. Q. , 26 ( 1987 ) , pp. 265 - 276 View Record in Scopus Google Scholar

A method for extracting valuable metals from low nickel ...

The Rapid development of new energy vehicle industry leads to the sharp demand for nickel, cobalt and precious metals in recent years. Because of the similar chemical properties, these metals often exist in Ni-Cu sulfide ores. Traditional treatment of Ni-Cu sulfide ores includes smelting and converting operation. In the smelting process, nickel, copper, cobalt and precious metals are enriched.

Method of electrolytic refining of nickel

SUBSTANCE: proposed method includes floatation separation of converter matte into copper and nickel concentrates, oxidizing annealing of nickel concentrate, reduction of nickel monoxide, leaching-out of reduced nickel monoxide, cleaning the leaching-out solutions in succession from iron, copper, cobalt and electrical extraction of nickel.

(PDF) ATMOSPHERIC LEACHING OF MATTE AT THE PORT NICKEL ...

Nickel-copper mattes are conventionally produced by smelting nickel and copper sulfide concentrates. ... is an important separation technique in the refining of precious metals from their matte ...

Nickel Processing

Nickel: smelting, producing-Metalpedia › Most Popular Law Newest at asianmetal Courses. Posted: (5 days ago) 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, solvent extraction is used to separate the cobalt and nickel, with the final ...

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...

RI8999 PLEASE DO NOT. REMOVE FROM LIBRARY Bureau

Matte smelting emits S02 and recovers the following, in percent: 96 Cu, 85 Ni, but only 26 Co. Treatment of the slag from matte smelting by crushing, grinding, and sulfide flotation can increase these metal recoveries. Flotation of the matte produced two valuable products, a

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