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Pyrometallurgy of copper–nickel–iron sulphide ores: the …

For these calculations, data are required for the matte, slag and gas phases. The plant operator needs to process ores of a range of compositions and to achieve the desired …

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Efficient Synchronous Extraction of Nickel, …

Low‒nickel matte as the main intermediate product of nickel sulfide ore in traditional pyrometallurgical smelting, during this process, the valuable metals Ni, Cu, and Co have been enriched 6,7 ...

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Unlocking Disseminated Nickel Sulphides Using the CESL …

Teck's CESL Nickel Process offers a hydrometallurgical solution for unlocking the nickel from disseminated nickel ore deposits. It is capable of treating lower grade nickel concentrates; …

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Processing of low-grade ultramafic nickel ores: A critical …

Low-grade ultramafic ores characterized by a high magnesium (MgO content greater than 18 %) and very low silica content compared to mafic ores (which have MgO …

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A Thermodynamic Analysis of the Selective …

The production of a nickel sulphide concentrate through selective sulphidation of a nickeliferous lateritic ore at temperatures lower than current smelting temperatures, is being studied as a ...

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INTRODUCTION TO NICKEL SULPHIDE EXPLORATION

KEY IDEA: Most nickel sulphide deposits have been overprinted by significant post-ore deformation and alteration which can be very significant economically. Deformation can …

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(PDF) Formation of Ni-Cu-PGE sulphide …

The enormous reserves and resources of Ni-Cu-PGE sulfide ores associated with the sublayer and offsets of the SIC are con-sidered to be a consequence of saturation of the Sudbury melt in ...

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Review of Geophysical Technology for Ni-Cu-PGE …

The sulphide ores of Ni-Cu-PGE sulphide deposits are strongly anomalous in virtually all physical properties including electrical conductivity, chargeability, density, magnetic susceptibility, …

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Nickel Deposits Explained | Balmoral Resources Ltd.

Magmatic Nickel Sulphide Deposits. ... ores which are the most common ore type in most high-grade nickel deposits. Here sulphides range from 5 to as much as 50+% of the rock, forming a …

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Solid state reduction and magnetic separation of …

In the nickel sulfide ores the predominant nickel-containing mineral is pyrrhotite (Fe,Ni) 9 S 8. This mineral is amenable to concentration through physical beneficiation …

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(PDF) Nickel Sulfide Versus Laterite: The Hard

There are widespread nickel resources around the world, but divided principally between nickel sulfide or laterite (oxide) resources. Historically production has been dominated by sulfide ores but ...

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Effective recovery of Ni and Cu from low-grade nickel sulfide

Some solid chlorinating agents such as NaCl [36], CaCl 2 [42], [43], FeCl 3 [26], MgCl 2 [39], NH 4 Cl [9], [40] and AlCl 3 [12] have been used for processing nickel sulfide ores. …

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Selective sulphidation and flotation of nickel from a nickeliferous

While nickel extraction has historically been dominated by the pyrometallurgical treatment of sulphide ores, the relatively high abundance of nickel laterites is now beginning to …

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Highly efficient resource recovery from polymetallic sulfide ores …

Nickel (Ni), cobalt (Co), and copper (Cu) are commonly co-associated in polymetallic sulfide ores, which typically contain substantial amounts of Ca and Mg as alkaline …

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Pyrometallurgy of copper–nickel–iron sulphide ores: the calculation …

A basic principle of many processes for extracting copper and nickel from sulfide ores is to overlay the molten ore or matte with a lime–silica–iron oxide slag and blow with air or …

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Review on comprehensive utilization of nickel laterite ore

The available nickel resources in the world include three main types, namely nickel sulfide ores, laterite ores, and submarine manganese nodules. ... (DFT) calculations, deduced …

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GUIDELINES FOR THE CALCULATION AND USE OF …

Corrections can readily be performed by simple mass-balance calculations, using concentration data from unmineralized host rocks. Significant uncertainties are introduced by analytical errors …

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A New Process for Cobalt Nickel Separation

removes most of the deleterious impurities, and thus produces a nickel-cobalt matte suitable for leaching and eventual Cyanex 272 separation of nickel and cobalt. Historically of course …

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(PDF) Pyrometallurgy

carbothermic reduction, as in the case of zinc and lead sulfide ores. However, if a However, if a partial roasting process is emp loyed the desirable metallic mineral will still be in the

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Nickel Recovery

According to data from 2000 (Reck et al., 2008), the nickel recovery rate in the nickel production stage was 82%, the end-of-life recycling rate was 57%, and the increase in the nickel in-use …

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Some factors that affect beneficiation of sulphide nickel–copper ores

Therefore, we are reporting a new selective chlorination roasting and water leaching process to treat complex nickel sulfide ore. Anhydrous aluminum chloride was firstly used as …

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Nickel Sulfide Processing Another Reason it is "the …

Nickel sulfide deposits occur across a broad range from low- to high-grade with a wide range of byproduct value, but are often thought of as being in two broad categories (with some …

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Full article: The Direct Leaching of Nickel Sulfide …

Nickel sulfide ores are broadly classified into the following categories: massive sulfide ore, matrix ore (also termed net-textured ore) and disseminated sulfide ore, the distinction being based on the sulfide content and …

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Equilibrium nickel isotope fractionation in nickel sulfide …

It is recognized as a metal-excess nickel sulfide mineral (Fleet, 1987). ... is still difficult to determine the uncertainty of the calculated 10 3 ln β 60 – 58 due to lack of measured …

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(PDF) Nickel Sulfide Ores and Impact Melts: …

Nickel Sulfide Ores and Impact Melts is designed to emphasize concepts that can be applied across a broad range of ore deposit types beyond Sudbury and nickel deposit geology. It is an essential ...

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Bifunctional collector derived from Lawesson's reagent for …

DFT calculations also demonstrated the presence of two adsorption. Graphical abstract. Download: Download high-res image (117KB) ... The nickel sulphide ores used in the …

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Nickel Sulfide Deposits: Classification, Composition, and …

Nickel sulfide ores can be classified in terms of the rock types with which they are associated and the tectonic setting into which these rocks were emplaced. Certain combinations of rock type …

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Electronic Structure and Oxidation Mechanism of Nickel–Copper Converter

1. Introduction. The nickel–copper converter matte is an intermediate from smelting of sulfide or laterite ores for the recovery of nickel and generally consists of dzharleit (Cu 1.96 …

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Process flowsheet development for beneficiation of nickel …

Nickel sulphide ores containing pentlandite, pyrrhotite and talc have traditionally been treated by bulk sulphide flotation, an approach which seeks to maximise nickel recovery …

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Pyrometallurgy of Copper-Nickel-Iron Sulphide Ores: The Calculation …

A basic principle of many processes for extracting copper and nickel from sulphide ores is to overlay the molten ore or matte with a lime-silica-iron oxide slag and blow with air or oxygen.

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Unlocking Disseminated Nickel Sulphides Using the …

Nickel resources are typically classified as sulphides or laterites.[1,2] Currently, some 60% of the world's nickel supply is derived from sulphide resources and almost all of the sulphides utilized …

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Nickel Ores: Types, Extraction, and Uses

The main nickel deposits being developed include sulfide nickel ores of 1-2% Ni and silicate ores containing up to 1% Ni. The most common nickel minerals include: pentlandite (Fe, Ni)S or …

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Nickel laterite processing and electrowinning practice

Nickel occurs within both laterite and sulphide ores and it is also associated with deep-sea nodules. Nickel has several metallurgical benefits such as its high melting point of …

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A novel approach for metal extraction from metal sulfide ores …

Chalcocite (Cu 2 S) is the main source for metallurgical production of copper worldwide but it usually co-exist with nickel sulfide in nature. To develop an efficient and green …

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Lecture 15: Thermodynamics of roasting Contents

Roasting of complex sulphide ores reactions may occur during the roasting. n. Another phenomenon is the formatio. phase the chemical activity of a given compound is less than the …

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Leaching and ion exchange based recovery of nickel and …

Nickel is found primarily in two types of ores namely laterite (oxide) and sulphide ores. The sulfide ores are normally associated with mafic and ultramafic ores which are …

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