Extraction of Nickel and Cobalt from Sulfide Ores ...
This chapter describes nickel sulfide ores and provides an overview of the methods used to extract nickel and cobalt from these ores. Nickel sulfide ores occur as disseminated or massive ore bodies.
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A cupric chloride-oxygen leach process for a nickel-copper ...
Copper in the leach liquor was analysed by iodometric titration with sodium TABLE 1 Analysis of nickel--copper sulphide concentrates Concentrate Particle size, Analysis, wt.% No. urn Cu Ni Fe S C-1 150 6.3 8 28 22.9 C-2 45 6.7 3.9 21.5 20.8 28 thiosulfate solution.
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List Sulphide Minerals - Mineral Processing & Metallurgy
Sometimes, as in the Sudbury district, it carries nickel; but most of the nickel is in the form of distinct minerals, especially pentlandite a sulphide of iron and nickel that contains 22% of nickel. Pyrrhotite is found in many kinds or rocks; but, in large masses, it is usually associated with basic rocks, such as gabbro and norite.
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RU2495145C1 - Separation method of copper-nickel nis matte ...
Then, nickel sulphide is separated from copper sulphide by draining chloride melt with copper sulphide diluted in it and recovery of melt of alkali metal chloride. Nis matte containing up to 35 wt % of copper is subject to treatment with chloride melt and treatment is performed with sodium chloride melt at the temperature of 950-900°C.
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US5344479A - Upgrading copper sulphide residues …
A process is disclosed for separating and recovering nickel and copper values from a nickel-copper matte which may contain iron and arsenic. Finely divided nickel-copper matte is leached in aqueous sulphuric acid solution under oxidizing conditions at atmospheric pressure and at a minimum temperature of about 80° C. to selectively leach nickel from the matte to produce a nickel sulphate ...
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WO2007039663A1 - Processing of nickel sulphide ore or ...
The present invention relates to a new hydrometallurgical process for recovering nickel from nickel bearing raw materials, such as sulphide flotation concentrates. In general, the process involves the oxidative atmospheric pressure leaching of nickel sulphide concentrates using a sodium chloride/hydrochloric acid based leach media.
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The flotation of gersdorffite in sulphide nickel systems ...
1.. IntroductionThe presence of arsenic complicates the refining of nickel matte and nickel concentrates containing high levels of arsenic can therefore sometimes be difficult to market (Toguri, Babaie and Sridhar, 1995).In nickel sulphide ores, arsenic can occur in a range of minerals including gersdorffite (NiAsS), niccolite (NiAs), maucherite (Ni 11 As 8), rammelsbergite (NiAs 2 ...
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nickel sulfide copper - golfalencon.fr
FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID WESTON. The ore treated in Example I was a copper-nickel sulphide ore containing an estimated average 40 percent of talcose type minerals. The sample contained 0.52 percent nickel in the form of pentlandite and 0.25 percent copper in the form of chalcopyrite.
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Controllable Phase Transformation in Extracting Valuable ...
With the recent high consumption of nickel, many high-grade sulphide nickel ores have nearly run out. Therefore, more economic processes should be developed to treat low-grade sulphide nickel ores. Jinchuan (NW, China) has a huge magmatic nickel-cooper sulphide deposit,1,2,3 containing 550 million tons of nickel.
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Unlocking Disseminated Nickel Sulphides using the …
Disseminated nickel and nickel-copper ores are widely distributed around the world and can be found in most of the world's nickel sulphide deposits.[1,7,8] Komatiite-hosted nickel-copper deposits contain some of the world's most economically significant disseminated ore deposits.[7,8] These
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Method of recovering non-ferrous metals from their ...
Nickel sulphide ores could be smelted in the same way as copper sulphide ores. Similarly, using a copper/nickel/cobalt sulphide concentrate, which would conveniently be introduced into the molten matte through the slag layer, the outflow from the oxidising unit 15 would be a copper/nickel/cobalt alloy which could then be cast into an anode ...
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Dissolution of nickel (74%)-copper (4%)-sulphide matte ...
A comparative study was conducted to assess the performance of 1 N solutions of hydrochloric acid, ferrous chloride and ferric chloride solutions to dissolve the 74% Ni-4% Cu-20% S nickel sulphide matte anodes. The essential variables considered here were: temperature (25° and 75° C), oxygen and controlled potential. The relative aggressiveness as estimated by the potentiokinetic ...
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matte | metallurgy | Britannica
matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and lead.Instead of being smelted directly to metal, copper ores are usually smelted to matte, preferably containing 40–45 percent copper along with iron and sulfur, which is then treated by converting in a Bessemer-type converter.
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Metallurgy | The Canadian Encyclopedia
The solution containing the dissolved metals is separated from the residue. The copper is precipitated out from the solution as copper sulphide by increasing the acidity of the solution and by use of hydrogen sulphide. Metallic nickel is then produced in powdered form by reducing the solution with hydrogen gas at 3,445 kPa and 200°C.
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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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Copper Sulfide - an overview | ScienceDirect Topics
Copper sulfide ore, which accounts for 80% of the copper resource, is the major source for the metallic copper [1 ]. The major copper sulfide ores contain chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), covellite (CuS), and chalcocite (Cu 2 S). The concentrates of copper from sulfides ores are generally performed by flotation and then processed ...
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pyrometallurgy for extraction of copper from sulphide
Oxidative Hydrometallurgy of Sulphide Minerals. Pyrometallurgy, extraction and purification of metals by processes involving the application of heat. The most important operations are roasting, smelting, and refining. Roasting, or heating in air without fusion, transforms sulfide ores into oxides, the sulfur escaping as sulfur dioxide, a gas.
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Sulfide Mining Overview - sosbluewaters.org
Sulfide mining (also known as metallic mining) refers to mining operations which remove metals, such as copper, nickel, platinum and others, from sulfur bearing ores. The 1 Hudson, T.L., F.D. Fox, and G. S. Plumlee. 1999. Metal Mining and the Environment. American Geological Institute.
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Oxygen smelting of copper or nickel sulfides - The ...
Copper and or nickel sulfide ore concentrates of high intrinsic value are oxygen smelted by introducing such concentrates via feeds (32) into a closed loop extraction circuit in which a molten sulphide carrier composition is forcibly circulated by an R-H unit (14) through lower hearth (10) at which feed of the concentrates takes place, and upper hearth (12) at which controlled oxidation with ...
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separation of copper sulphide and nickel sulphide matte in ...
Separation Of Copper Sulphide And Nickel Sulphide Matte In Nickel Sulphide Ores 50 Views. The Zenith is the professional mining equipments manufacturer in the … The Zenith is the professional mining equipments manufacturer in the …
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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 …
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12.3 Primary Copper Smelting
(green feed) ore concentrate produces matte, a molten mixture of copper sulfide (Cu2S), iron sulfide (FeS), and some heavy metals. Converting the matte yields a high-grade "blister" copper, with 98.5 to 99.5 percent copper. Typically, blister copper is then fire-refined in an anode furnace, cast into
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JOM world nonferrous smelter survey Part IV: Nickel: Sulfide
Copper-nickel sulfide ores are one of the main sources of platinum. One of the ways to extract precious metals from such ores involves melting of a concentrate in electric ore smelting furnaces ...
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Amur Minerals Corporation Kun-Manie Nickel and Copper ...
Kun-Manie Nickel and Copper Sulphide Prefeasibility Study February 2019 Page 1.5 Figure 1.3 Geological Map of the Kun-Manie Licence 1.4 Mineral Resource Estimate At Kun-Manie, a JORC Code 2012 Edition March 2018 MRE contains 155.1 million ore tonnes having a nickel equivalent grade of 1.02% (1.58 million nickel equivalent tonnes).
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US4090867A - Flotation of non-sulphide copper ores ...
Flotation of a variety of non-sulphide and mixed sulphide plus non-sulphide copper ores is disclosed. Stabilization of non-sulphide copper mineral surfaces by sulphidization is initially required and a selective complexing agent able to complex with the copper sulphide surface is then added as conditioner. Diphenylguanidine proved to be a highly selective and fast acting surface conditioner ...
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SMELTING OF COPPER SULPHIDE CONCENTRATES WITH FERROUS ...
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.
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Sulfide Ores - an overview | ScienceDirect Topics
1.1.2 Extraction of Nickel and Cobalt from Sulphide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metal-rich sulphide ore bodies by sequential solidification and/or hydrothermal leaching and precipitation.
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Sulphide Leaching - Mineral Processing & Metallurgy
Copper sulphate can be used to separate Copper from Nickel in a sulphide ore or Copper from Fe in Cu -Fe sulphide ore. CuSO 4 solution can also be used for removing Pb, Zn, and Fe from copper sulphide ores. In presence of oxidizing agents: Ferric ion: Ferric sulphate or chloride react with metal sulphides liberating elemental sulphur, e.g.
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Microtextural evaluation of nickel sulphide gossans in ...
Nickel–copper sulphide mineralization in the Jimberlana Intrusion. In Knight, C. L. (ed.) Economic geology of Australia and Papua New Guinea I Metals, 75 –8. AUSTRALAS INST MIN METALL MON 5 .
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Flow chart for the pyrometallurgical extraction of nickel ...
Flow chart for the pyrometallurgical extraction of nickel from nickel sulphide Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Flow chart for the pyrometallurgical extraction of nickel from nickel sulphide, quarry, aggregate, and different kinds of minerals.
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The method of selection, extraction and recovery of nickel ...
The invention relates to the metallurgy of non-ferrous metals, to a method of leaching of sulfide Nickel matte and especially Nickel matte with high copper content The method of extraction of manganese ions and cobalt from aqueous solutions // 2218435
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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...
Fig.1. X-ray diffraction pattern of the nickel-copper sulphide ore sample Table. 1. Chemical composition of the nickel-copper sulphide ore (mass fraction, %). Component Ni Cu Co Fe MgO SiO 2 SG % 12.61 0.71 0.17 47.04 0.13 10.60 4.38 2.2 Experimental Plan
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Pressure leaching of copper sulphide from nickel refining ...
Copper sulphide rich leach residue from nickel refining is a marketable product and may be treated by smelting. In looking for another refining technology for its valorisation, the raw material was characterised and suitability of medium-temperature sulphate-based …
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