nickel sulfide refining smelting

Nickel sulphide smelting and electrorefining practice:

Details of smelting and refining practice are provided for the three largest nickel producers. For completeness, other extractionprocesses involving a mixed sulphide, pellets from the carbonyl...

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Nickel sulphide smelting and electrorefining practice:

2010-10-26 · Details of smelting and refining practice are provided for the three largest nickel producers. For completeness, other extractionprocesses involving a mixed sulphide, pellets from the carbonyl process, nickel powders, and briquettes are noted in the compendium of nickel processing practice, which includes pyrometallurgical principles.

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(NMBF). The nickel sulfide smelting Pyro.co.za

2018-5-7 · particular, nickel is in fact a by-prod­ uct of PGM mining operations. The product of nickel sulfide smelting is generally a low-ironcontaining matte that requires further processing to yield marketproducts.Two differentsmelting technologies are used for processing nickelsulfideconcentrates,namelyflash smelting and electric furnace smelting.

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Smelting of Nickel Sulfide Concentrates by Roasting

This chapter discusses production of nickel matte suitable for refining to high-purity nickel from nickel sulfide concentrates. The first process is smelting the concentrates and subsequently...

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Environmental Guidelines for Nickel Smelting and Refining

2018-8-5 · inert anodes is the more common refining process used for nickel. Chloride electrolytes are used although sulfuric acid solutions are used more often. Waste Characteristics Air emissions Sulfur dioxide (SO2) is a major air pollutant emitted in the roasting, smelting and converting of sulfide ores (nickel sulfide concentrates contain 6-20% nickel and up to 30% sulfur).

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Nickel: smelting, producing-Metalpedia

Most sulfide deposits have traditionally been processed by concentration through a froth flotation process followed by pyrometallurgical extraction. In hydrometallurgical processes, nickel sulfide ores undergo flotation (differential flotation if Ni/Fe ratio is too low) and then smelted.

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Nickel processing Extraction and refining Britannica

2021-5-9 · Nickel requires higher smelting temperatures (in the range of 1,350 °C [2,460 °F]) in order to produce an artificial nickel-iron sulfide known as matte, which contains 25 to 45 percent nickel. In the next step, iron in the matte is converted to an oxide, which

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Smelting of Nickel-Copper and Nickel Sulfide

Smelting of Nickel Sulfide Ore. The selection of process flow depends on the type of raw materials, composition and product requirements. Sulfide ores are mostly smelted by matte-making. Different pyrometallurgical processes are used to produce low-nickel matte from various nickel sulfide ores. Then low-nickel matte is converted into high matte

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Sulphide Nickel Production and Supply: Market Implications

2018-9-23 · Higher payability than traditional smelting and refining Greater flexibility for more potential partners and customers Roasted nickel concentrate is effectively a very high grade laterite ore feed –creates new source of demand for nickel sulphide concentrate, notably at a time when many NPI and

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Nickel Sulfide Versus Laterite : The Hard Sustainability

2009-9-22 · In general, production of nickel from sulfide ores involves either open cut or underground mining, followed by concentration via flotation, smelting of concentrates to produce a nickel matte, finally leading to refining of matte to produce a pure metal. It is common for mines, smelters and refineries to

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Nickel sulphide smelting and electrorefining practice:

2010-10-26 · Details of smelting and refining practice are provided for the three largest nickel producers. For completeness, other extractionprocesses involving a mixed sulphide, pellets from the carbonyl process, nickel powders, and briquettes are noted in the compendium of nickel processing practice, which includes pyrometallurgical principles.

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Solid State Extraction of Nickel from Nickel Sulfide

2020-5-5 · The conventional smelting and refining of Ni sulfide concentrates is an effective strategy for extracting Ni from sulfide ores. However, during the smelting process, sulfur is oxidized to sulfur dioxide (SO 2), which poses a significant environmental hazard.The present work investigates the feasibility of an alternative process to recover Ni as a ferronickel (FeNi) alloy while retaining the

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Solid State Extraction of Nickel from Nickel Sulfide

The conventional smelting and refining of Ni sulfide concentrates is an effective strategy for extracting Ni from sulfide ores. However, during the smelting process, sulfur is oxidized to sulfur

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Sulphide Nickel Production and Supply: Market Implications

2018-9-23 · Higher payability than traditional smelting and refining Greater flexibility for more potential partners and customers Roasted nickel concentrate is effectively a very high grade laterite ore feed –creates new source of demand for nickel sulphide concentrate, notably at a time when many NPI and

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Nickel Flash Smelting :: Total Materia Article

Using nickel flash smelting technology it is possible to process sulfide nickel concentrate and produce nickel matte and slag in a relatively efficient process. Any materials resulting as smelting and converting slags are recirculated in the electric furnace and recovered where possible as nickel matte.

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nickel smelting and refining process service

Environmental Guidelines for Nickel Smelting and Refining. 436 Nickel Smelting and Refining cathodes is the most common technology used for nickel refining. Electrowinning, where nickel is removed form solution in cells equipped with inert anodes is the more common refining process used for nickel.

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Emission Estimation Technique Manual

2005-9-13 · This handbook covers the concentrating, smelting and refining of nickel commencing from the delivery of ore to the processing facilities for crushing and milling, through smelting and to the production of +99% pure nickel at the refinery, for the nickel sulfide and nickel/cobalt laterite processes.

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Economic and Technological Aspects of Sulfide

Factors which influence the economics of smelting processes for copper, nickel, zinc, and lead include metal prices, cost of finance, the rate at which investment capital can be recovered, possibilities for retrofit, grade and complexity of the concentrates, location, the cost of energy and process energy efficiency, cost of pollution control, and the profitably of by-product sales.

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Nickel element extraction, mining technique flash

2021-3-24 · The extraction from the sulfide ores is a huge process involving froth floatation, smelting and electrolysis. Firstly, the sulfide ores are crushed and ground to liberate nickel containing minerals from the waste material by floatation process where the ore is mixed with certain reagents and disturbed by mechanical devices that produce air bubbles which rise above the mixture and are collected

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12.3 Primary Copper Smelting

2015-9-10 · Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4

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Solid State Extraction of Nickel from Nickel Sulfide

2020-5-5 · The conventional smelting and refining of Ni sulfide concentrates is an effective strategy for extracting Ni from sulfide ores. However, during the smelting process, sulfur is oxidized to sulfur dioxide (SO 2), which poses a significant environmental hazard.The present work investigates the feasibility of an alternative process to recover Ni as a ferronickel (FeNi) alloy while retaining the

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Nickel Flash Smelting :: Total Materia Article

Using nickel flash smelting technology it is possible to process sulfide nickel concentrate and produce nickel matte and slag in a relatively efficient process. Any materials resulting as smelting and converting slags are recirculated in the electric furnace and recovered where possible as nickel matte.

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nickel smelting and refining process service

Environmental Guidelines for Nickel Smelting and Refining. 436 Nickel Smelting and Refining cathodes is the most common technology used for nickel refining. Electrowinning, where nickel is removed form solution in cells equipped with inert anodes is the more common refining process used for nickel.

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Sulphide Nickel Production and Supply: Market Implications

2018-9-23 · Higher payability than traditional smelting and refining Greater flexibility for more potential partners and customers Roasted nickel concentrate is effectively a very high grade laterite ore feed –creates new source of demand for nickel sulphide concentrate, notably at a time when many NPI and

Get Price

Nickel element extraction, mining technique flash

2021-3-24 · The extraction from the sulfide ores is a huge process involving froth floatation, smelting and electrolysis. Firstly, the sulfide ores are crushed and ground to liberate nickel containing minerals from the waste material by floatation process where the ore is mixed with certain reagents and disturbed by mechanical devices that produce air bubbles which rise above the mixture and are collected

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How clean can the nickel industry become?

2020-9-11 · smelting, and refining Class 1 nickel Leaving aside the impending shortage of Class 1 nickel, mining inevitably has an impact on an asset’s surroundings. The International Council on Mining and Metals (ICMM) has defined a set of Mining Principles aimed at maximizing the benefits to local communities, while minimizing the negative impacts

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How clean can the nickel industry become? McKinsey

2020-9-11 · The unavoidable impacts of mining, smelting, and refining Class 1 nickel Leaving aside the impending shortage of Class 1 nickel, mining inevitably has an impact on an asset’s surroundings. The International Council on Mining and Metals (ICMM) has defined a set of Mining Principles aimed at maximizing the benefits to local communities, while

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Oxidation Potentials in Matte Smelting of Copper and

2014-8-1 · The oxidation potential, given as the base-ten logarithm of the oxygen partial pressure in bars and the temperature [log pO2/T, °C], defines the state of oxidation of pyrometallurgical extraction and refining processes. This property varies from copper making, [−6/1150]; to lead/zinc smelting, [−10/1200]; to iron smelting, [−13/1600]. The current article extends the analysis to the

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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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Electrolytic Refining Mineral Processing & Metallurgy

2016-5-24 · Metallurgical ContentBasis of Electrolytic Refining MethodsElectro-refining and Electro-winningElectro-refiningCopper:Lead:Nickel:Silver and Gold:Precious MetalsElectro-winningZinc:Copper, Nickel, Cadmium:Precious Metals The list of pure non-ferrous metals so widely used in modern industry includes many that are produced by electrolytic means, such as copper, zinc, nickel, aluminum,

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