separation of copper sulphide and nickel sulphide matte in nickel sulphide ores

Unlocking Disseminated Nickel Sulphides Using the . - Cesl.com- separation of copper sulphide and nickel sulphide matte in nickel sulphide ores ,26 May 2010 ... disseminated nickel sulphide ores to meet future nickel demand. .... produces a high grade nickel matte which is then refined hydrometallurgically. .... copper solvent extraction (or the PO thickener overflow if solvent extraction ...Platinum Commodity Profile - British Geological Surveymineralisation; and nickel-copper sulphide deposits in which the PGE occur in association with sulphide-rich ores. A variety .... and separation of immiscible sulphide droplets which ...... rarely with other sulphur-rich ores, to produce the matte.



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inert layer is described, which forms by the oxidation of the nickel sulphide surface. .... Sulphide ores are concentrated by flotation and magnetic separation processes. .... treating nickel-copper mattes by means of smelting, slag cleaning, and ...

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Patent US4067952 - Leaching of copper-nickel concentrates .

US940292, Nov 16, 1909, METHOD OF SEPARATING COPPER ... US2094277, Jun 22, 1936, Sep 28, 1937, METHOD OF SULPHATING THE ORE ... A process for the treatment of concentrated nickel-copper sulphide matte comprising the ...

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The non-oxidative dissolution of nickel sulphides in . - saimm

of metals from their sulphide ores requires the oxidation ... The dissolved metal can then be separated ... A matte containing nickel and copper sulphides is ...

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Patents - Process Research Ortech Inc.

8, 2334511, TREATMENT OF ROASTED METAL SULPHIDE ORES AND FERRITES BY LEACHING WITH ... 27, 1059768, COPPER-NICKEL SEPARATION PROCESS. 28, 1056161 ... 29, 1055710, NICKEL MATTE REFINING BY OXIDATION ...

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Lecture 20 Smelting Contents Preamble Matte smelting . - NPTel

Of the greatest industrial importance is iron- copper matte which is an intermediate product in the extraction of copper from sulphide ores. In production of nickel, ...

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Full text - pdf 313 kB - IUPAC

required to measure concentrations from ppb to 99.99% of elements in ores, concentrates, ... FEED - CONCENTRATE - MATTE - REFINERY FEED 4 FINISHED METALS ... essentially a copper nickel sulphide containing low levels of iron and cobalt ... in a refinery, where firstly the base metals are removed and separated in ...

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Metallurgy - The Canadian Encyclopedia

The steps in extracting metals from their ores are mineral processing, which processes ... Comminution is liberation of the desired mineral (eg, nickel sulphide , copper ... Separation of the desired mineral from the gangue produces an enriched ... oxide components as slag and the enriched copper-iron sulphides as matte.

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Extraction of nickel

21 Oct 2009 ... Extraction of nickel from sulfide ores ... smelted in the Bessemer converter to produce a mixture of nickel, copper and other metals called matte.

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Metal Profile: Nickel

Nickel is primarily extracted from the nickel sulphides pentlandite, pyrrhotite and ... The separation process for nickel is highly dependent upon the type of ore. ... and hydrometallurgical or magnetic processes to create nickel matte and nickel oxide. ... nickel copper alloys, which are also resistant to corrosion, are specifically ...

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Patent US4120697 - Segregation-separation of copper from nickel .

Segregation-separation of copper from nickel in copper-nickel sulfide . ... of ore, ore concentrates, mattes or other metallurgical intermediates by roasting the ...

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nickel sulphide flotation - OneMine Mining and Minerals Library .

Matches 1 - 10 of 860 ... of some process variables on flotability of sulphide nickel ores, International . ... pretreatment operation for the flotation of the copper-nickel ore by . ... TITLE, Electrokinetics Of The Differential Flotation Of Inco Matte With Dextrin ... Hemlund , RW,1961, Extraction of Molybdenum from Copper Flotation ...

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Nickel definition of Nickel in the Free Online Encyclopedia.

Commercial nickel deposits (sulfide ores) usually contain nickel and copper .... Separation of iron by oxidation (blowing of the liquid matte in converters) yields a ...

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General Information

The nickel industry worldwide has traditionally smelted concentrates produced from nickel, copper and cobalt sulphide ores ... Hydrometallurgy has been used for refining the matte to produce high purity nickel, copper and cobalt for the market. ... ending with removal of impurities and separation of nickel, copper and cobalt.

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Patent US4571262 - Recovery of platinum group metals from nickel .

The copper, nickel and platinum group metal containing solids are separated from ... matte at atmospheric pressure in acidic nickel-copper sulphate solution at a ... from complex sulphide ores containing copper, lead, zinc, silver and/or gold ...

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Chemistry of nickel and copper production from sulphide ores

Chemistry of nickel and copper production from sulphide ores. ... but the smelter and refinery now aim to process concentrates and matte from elsewhere. ... heap leaching of oxide ore, solvent extraction to concentrate the copper solution, and ...

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Nickel Ores

11 Nov 2012 ... The principal ores of nickel are magnetic nickeliferous pyrites, nickel arsenides ( especially ... Arseno-sulphide or grey nickel is met with more particularly in the Harz, Sweden, and Styria. ... Processes Of Extraction ... high, with a closed breast : the new matte contains about 25 Per cent. nickel and 25 copper.

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Extraction and Refining of the Platinum Metals

deposits of platinum bearing ore were discovered in the ... to yield metallic nickel and copper and the platinum metals in the form of a concentrate added, bringing the site for ... nickel sulphide, so that if the converter matte is melted with sodium ...

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The Smelting of Copper-Nickel Concentrates in an Electric . - Mintek

2 May 2011 ... Copper-nickel-sulphide ores mined in the Rustenburg district of South ... functions of the electric furnace are to recover most of the matte content in ... the furnace bath and to provide adequate time for the optimum separation ...

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Processing Nickel Ore & Cobalt Recovery - Bateman Engineering

Physical separation processes for use prior to flotation, upgrade flotation feed making use of differences in physical ... chromite are present, or where nickel sulphide ore has significant silicate nickel ... from slow-cooled converter matte into a magnetic fraction. .... Removal of copper, zinc and nickel from cobalt EW solutions.

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Patent EP2547802A1 - Method of processing nickel bearing raw .

23 Jan 2013 ... The solvent extraction stage comprises a nickel solvent extraction stage, ... The conventional exploitation of nickel sulphide ore essentially comprises a ... a nickel bearing matte, which also contains copper, cobalt, and iron.

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extraction of Nickel

Sulfide ores of nickel have usually been processed using pyrometallurgical ... of the metal matte followed by the electro winning process of the nickel from ... of the related metal values where present, such as copper and cobalt and slags.

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NiDI LCA - Nickel Institute

The refining process begins with nickel matte or crude nickel products' delivery to the refining stage and ends at the ... Nickel Matte from Oxidic Ore or ... nickel matte (or sulfide anodes) to produce CoO and Ni cathodes. ... following processes to produce Class 1 nickel products: leaching, cobalt and copper extraction, nickel ...

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Nickel Sulfide Versus Laterite : The Hard Sustainability Challenge .

derived from sulfide ores, while the majority of nickel resources are ... or hydrothermal processes and usually include copper (Cu) and/or cobalt, ... followed by concentration via flotation, smelting of concentrates to produce a nickel matte, finally leading ... Solid-solution separation is subsequently carried out through counter ...

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The Effect of Leaching Time and Ammonia Concentration . - ipcbee

Matte is produced from the smelting of sulphide ores to separate the valuable metals from the ... Structure of Copper and Nickel Sulphides. Djurle [4] studied the ...

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EXECUTIVE SUMMARY

of sulphide ores which have small copper content (0.3-2% range),. Zambia and ... i.e. Matte (rich in copper contains 43-50% Cu) and slag (4-5% copper). Gases rich in ... slime is leached with sulphuric acid to recover Nickel as Nickel sulphate crystals. .... Separation which is the most efficient pre-concentration process. The ...

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Nickel Leaflet - TWP

sulphide-type ores including the treatment ... to optimise the separation of nickel from ... Leaching of sulphide mattes and ... jarosite, precipitation of copper from ...

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ConRoast

DC arc smelting of dead-roasted sulphide concentrates ... the treatment of nickel- copper and PGM (platinum group metal) sulphide concentrates. ... This process allows great flexibility with respect to the selection of ore types, and does not ... The smelting process is alloy-based rather than matte-based, as there is effectively ...

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Leaching and recovery of platinum group metals from UG-2 . - saimm

matte to oxidize iron sulphide and to ... Leaching of PGM from ores is not trivial and .... development work was carried out on a copper/nickel float ..... Extraction efficiencies were calculated from analyses of solids (fire assay) before and after ...

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Best Available Technique - Ymparisto.fi

tions for the production of non-ferrous crude metals from ore, concentrates or secondary raw ... Primary non-ferrous metal production in Finland concerns only copper, nick- el, zinc and ... recover nickel from sulphide concentrates and it is the main process described in .... 2.5.6 Leaching of the flash smelting furnace matte .

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Patent US4108638 - Process for separating nickel, cobalt and .

This invention relates to a process for separating nickel, cobalt and copper wherein a ... nodule and said matte is provided by smelting nickelcopper sulfide ore.

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Nickel

Since nickel, copper and iron occur as distinct minerals in the sulphide ores, ... such as flotation and magnetic separation, are applied after the ore has been crushed ... The nickel concentrate is converted to nickel sulphide matte by roasting or ...

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Copper extraction techniques - Wikipedia, the free encyclopedia

Supergene sulfide ores rich in native copper minerals are refractory to ... Froth flotation cells to concentrate copper and nickel sulfide minerals, Falconbridge, Ontario. ... but below that of the iron and silica) to form a liquid called "copper matte".

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Nickel Ore Processing-Jiangsu Zhongbo Machinery

There are two kinds of Nickel-copper sulfide ore: Copper-nickel sulfide ore and ... into high-nickel matte, then nickel matte to conduct high-flotation separation. 4.

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Nickel metallurgy: Information from Answers.com

Nickel metallurgy The extraction and refining of nickel from its ores. Nickel's ... oxide nodules which contain significant values of nickel, copper, and cobalt. ... amount of nickel is produced from lateritic ores by the nickel sulfide matte technique.

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

Nickel is convalescing by extractive metallurgy. The majority sulfide ores have conservatively been processed utilize ... been processed utilizing pyrometallurgical techniques to fabricate a matte for more refining. ... Solvent extraction then proficiently disconnects the cobalt and nickel, with the final nickel focus >99%.

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matte (metallurgy) -- Britannica Online Encyclopedia

Smelting of nickel sulfide ores yields a matte in which nickel and copper make ... and the sulfides of copper and nickel are separated before being reduced to the ...

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