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Synchronous extraction of nickel and copper from a mixed ...

Mar 10, 2018  When mixed oxide-sulfide nickel ore is treated by the existing process for high-grade nickel sulfide ore, approximately half of the non-ferrous metals including nickel, copper and platinum group metals are lost (Kosyakov et al., 1995), resulting in low recovery of valuable metals and poor economic benefit (Senior and Thomas, 2005).

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The selective chlorination of nickel and copper from low ...

May 15, 2020  The chemical analysis of the ore indicates that nickel in raw ore exists as four shares, nickel sulfate (2.2 wt%), nickel oxide (32.8 wt%), nickel sulfide (38.2 wt%) and nickel silicates (26.8 wt%) which is the refractory part, while copper in raw ore exists as free oxidized copper (13.2 wt%), combined copper oxide (3.2 wt%), secondary copper ...

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Synchronous extraction of nickel and copper from a mixed ...

In this work, Chinese mixed oxide-sulfide nickel ores were roasted by ammonium sulfate at low temperatures of 300–500 °C to extract valuable metals directly and synchronously. Some influence factors including roasting temperature, ammonium-to-ore mole ratio, roasting time and particle size of the ore samples were studied in the roasting process.

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Copper Ore Types: Sulfides vs. Oxides An Investor's ...

Nov 10, 2020  There are two main types of copper ore of interest: copper oxide ores and copper sulfide ores. Both ore types can be economically mined, but they are processed in different ways.

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Synchronous extraction of nickel and copper from a mixed ...

Abstract Mixed oxide-sulfide nickel ore is becoming the major source of nickel produced in the nickel smelting enterprise due to the increasing global demand of nickel and the depletion of high-grade nickel sulfide ore. Low temperature roasting technique by ammonium sulfate is a potential cleaner production process with high metal recovery, high reaction selectivity and low energy consumption.

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Copper Nickel Sulfide Ore And Nickel Oxide Ore

The selective chlorination of nickel and copper from low. May 15, 2020 The chemical analysis of the ore indicates that nickel in raw ore exists as four shares, nickel sulfate (2.2 wt%), nickel oxide (32.8 wt%), nickel sulfide (38.2 wt%) and nickel silicates (26.8 wt%) which is the refractory part, while copper in raw ore exists as free oxidized copper (13.2 wt%), combined copper oxide (3.2 ...

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The beneficiation process of nickel ore,copper-nickel ...

Nickel ore is mainly divided into copper-nickel sulfide ore and nickel oxide ore, and their beneficiation and processing methods are completely different. The main method for beneficiation of copper-nickel sulfide ore is flotation, while magnetic separation and gravity separation are usually auxiliary beneficiation methods .

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Smelting of Nickel-Copper and Nickel Sulfide

Smelting of Nickel-Copper and Nickel Sulfide Nickel ores are mainly divided into copper-nickel sulfide ore and nickel oxide ore. Their beneficiation and smelting processes are completely different. Today, the smelting process of copper-nickel sulfide ore is mainly introduced. Method of stone selection Flotation is the most important method for the beneficiation of copper-nickel sulfide ores ...

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Synchronous extraction of nickel and copper from a mixed ...

Abstract Mixed oxide-sulfide nickel ore is becoming the major source of nickel produced in the nickel smelting enterprise due to the increasing global demand of nickel and the depletion of high-grade nickel sulfide ore. Low temperature roasting technique by ammonium sulfate is a potential cleaner production process with high metal recovery, high reaction selectivity and low energy consumption.

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Bioleaching of a low grade nickel–copper–cobalt sulfide ore

Feb 01, 2011  The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of flask leaching including 18 days of acid pre-leaching and 50 days of bioleaching.

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Sulfation Roasting of Nickel Oxide–Sulfide Mixed Ore ...

The nickel, cobalt, copper ,and iron contents were 8.93%, 0.24%, 6.51% and 28.26% ... Sulfation Roasting of Nickel Oxide–Sulfide Mixed Ore Concentrate in the Presence of Ammonium Sulfate ...

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Nickel processing - Extraction and refining Britannica

Nickel processing - Nickel processing - Extraction and refining: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel ...

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Nickel Sulfide Versus Laterite : The Hard Sustainability ...

Nickel is commonly present in two principal ore types – sulfide or laterite ores. Sulfide ores are typically derived from volcanic or hydrothermal processes and usually include copper (Cu) and/or cobalt, and sometimes other precious metals such as gold or platinum and palladium (generally grouped as platinum group metals or PGMs).

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Copper Mining and Extraction: Oxide Ores

Most of the copper ores mined today are oxide or sulfide ores. Extraction of sulfide ores is covered in more detail in Copper Mining and Extraction: Sulfide Ores (11–14), but is introduced here because an important by-product of this process is used for the extraction of oxide ores. Pyroprocessing Sulfide Ores Provides Acid for Leaching

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Roasting of Copper and Nickel ore and ore Concentrates

2018-10-10 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. get price

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Sulfide Ores - an overview ScienceDirect Topics

Nickel sulfide ores are processed by heap leaching in Sotkama, eastern Finland (Talvivaara, 2011).The process entails the following: (a) open-pit mining of 0.2% Ni, 0.5% Zn, 0.1% Cu, and 0.02% Co sulfide ore; (b) four-stage crushing; (c) rotary kiln agglomeration with sulfuric acid;

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Copper-nickel sulfide ore flotation process

Research protectively SF-239 were performed under laboratory conditions in the flotation beneficiation of sulfide copper-Nickel ore containing between 7.4 to 7.9% copper and 3.4-3.6% Nickel. Was flotillas chopped up to 80-85% of the class - 0,045 mm ore in an open cycle, copper flotation - 12 min, Nickel - 18 min, pH (8.5 in copper and 10.5 in ...

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CN1718783A - Technololgy of extracting zinc, copper ...

A technology for extracting Zn, Cu, Ni and Co from the sulfide-type and oxide-type ore by hydrometallurgy includes such steps as mixing the mixture of ammonia and ammonium dicarbonate with the powder of said ore, stirring, thermodecomposing filter, baking and electrolyzing. Its advantages are high output rate up to more than 90%, and low cost.

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Cobalt extraction - Wikipedia

Recovery from copper-cobalt sulfide concentrates. The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite.The calcine is subsequently leached with sulfuric acid from the spent copper recovery electrolyte.Oxide concentrates are introduced at this leaching step to maintain the acid balance ...

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Copper Nickel Sulfide Ore And Nickel Oxide Ore

The selective chlorination of nickel and copper from low. May 15, 2020 The chemical analysis of the ore indicates that nickel in raw ore exists as four shares, nickel sulfate (2.2 wt%), nickel oxide (32.8 wt%), nickel sulfide (38.2 wt%) and nickel silicates (26.8 wt%) which is the refractory part, while copper in raw ore exists as free oxidized copper (13.2 wt%), combined copper oxide (3.2 ...

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The beneficiation process of nickel ore,copper-nickel ...

Nickel ore is mainly divided into copper-nickel sulfide ore and nickel oxide ore, and their beneficiation and processing methods are completely different. The main method for beneficiation of copper-nickel sulfide ore is flotation, while magnetic separation and gravity separation are usually auxiliary beneficiation methods .

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Nickel Ore processing - Yantai Jinpeng Mining equipment ...

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 .It is a high technological enterprise that integrated research , manufacture, sales and service . The company has multiple subsidiaries such as Mineral Processing Research Institute...

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Sulfation Roasting of Nickel Oxide–Sulfide Mixed Ore ...

The nickel, cobalt, copper ,and iron contents were 8.93%, 0.24%, 6.51% and 28.26% ... Sulfation Roasting of Nickel Oxide–Sulfide Mixed Ore Concentrate in the Presence of Ammonium Sulfate ...

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Copper-nickel sulfide ore flotation process

Research protectively SF-239 were performed under laboratory conditions in the flotation beneficiation of sulfide copper-Nickel ore containing between 7.4 to 7.9% copper and 3.4-3.6% Nickel. Was flotillas chopped up to 80-85% of the class - 0,045 mm ore in an open cycle, copper flotation - 12 min, Nickel - 18 min, pH (8.5 in copper and 10.5 in ...

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Nickel Sulfide Versus Laterite : The Hard Sustainability ...

Nickel is commonly present in two principal ore types – sulfide or laterite ores. Sulfide ores are typically derived from volcanic or hydrothermal processes and usually include copper (Cu) and/or cobalt, and sometimes other precious metals such as gold or platinum and palladium (generally grouped as platinum group metals or PGMs).

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Common Nickel Processing Methods - Xinhai

01 One. Nickel Processing Methods for Copper Sulfide Nickel Mineral. Copper sulfide nickel mineral type is given priority to with magmatic liquation type copper-nickel, the nickel content in more than 3% for rich ore, which can direct smelting, and nickel content lower than 3%, which need to

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Roasting of Copper and Nickel ore and ore Concentrates

2018-10-10 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. get price

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Copper Mining and Extraction: Oxide Ores

Most of the copper ores mined today are oxide or sulfide ores. Extraction of sulfide ores is covered in more detail in Copper Mining and Extraction: Sulfide Ores (11–14), but is introduced here because an important by-product of this process is used for the extraction of oxide ores. Pyroprocessing Sulfide Ores Provides Acid for Leaching

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Copper-Nickel ores - Danafloat

Copper-Nickel ores Pentlandite ((Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite. Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed.

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NICKEL AND COBALT ORES: FLOTATION

curs in ores containing predominantly pyrrhotite and various non-sulRdes, some of which contain magne-sium (Table 1). The nickel content in such sulRde ores is generally low (0.2}3%) and varies from place to place in the same deposit. The low nickel content of the present-day nickel sulRde ores renders them

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Extraction of Copper and Nickel from Low-Grade Nickel ...

Sep 10, 2019  Low-temperature roasting, selective decomposition and water-leaching were used to extract nickel and copper from low-grade nickel sulfide ore with highly alkaline gangue. The effects of variable factors, such as the dosage of roasting additives, the ore particle size, roasting time and roasting temperature, selective decomposition temperature and leaching temperature on the conversion of ...

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Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag) This is very similar to the removal of impurities in the blast furnace.

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CN1171299A - Mineral separation method for copper nickel ...

A wet separation precess for copper and nickel metals-contained sulfide ore features that the preparation process for ore slurry floatation includes grinding raw ore, addition of modified sodium silicate to control pH value and further addition of copper sulfate to control Es potential value. The floatation of sulfide ore, especially the high-Mg-contained copper-magnesium sulfide ore, with ...

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