direct nickel flash smelting

State of the art in nickel smelting: direct Outokumpu ...

In the DON process, high grade nickel matte of low iron content is produced in the flash smelting furnace directly without subsequent converting. The metal values in the smelting slag are recovered in an electric furnace as an iron containing Ni matte.

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direct outokumpu nickel flash smelting process | Solution ...

The direct Outokumpu nickel flash smelting process involves several stages as shown in Figures 6 and 7. Nickel flash smelting. Outotec® Nickel Flash Smelting Process a benchmark nickel-smelting method and a ... thus the direct greenhouse gas ... Cu Smelting. 1966. Outokumpu Oy. ... Industrial Ecology in the metallurgy industry The Harjavalta ... 1995 The direct Outokumpu nickel process .

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Phase chemical composition of slag from a direct nickel ...

A nickel flash smelting furnace is initially used to obtain the valuable metal but the loss of nickel in the slag amounts to about 4 % and thus an electric slag-cleaning furnace has to be subsequently used to reduce the loss of the valuable metal to less than 0.5 % nickel oxide in the slag. The Fe 2 + /Fe 3 + ratio and mineralogy in the two different furnaces differ and can be used as a tool ...

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OUTOTEC SMELTING SOLUTIONS FOR THE PGM INDUSTRY

The Outotec Direct Nickel Flash Smelting Process was first implemented at Harjavalta Smelter in Finland. Simultaneously with the adoption of the new process, the nickel production was doubled. The entire target of the project was to improve the profitability, cut sulphur dioxide emissions, improve the working conditions in the plant, and increase the raw material flexibility. The Southern ...

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Processing of PGM containing Ni/Cu bulk concentrates in a ...

Producing bulk concentrates and treating them by Outotec Direct Nickel Flash Smelting (DON) to matte and then hydrometallurgical refining, offers a reliable route from concentrate to product.

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outotec ausiron© smelting process

outotec ausiron? smelting process Outotec Flash Smelting Process The Outotec Direct Nickel Flash Smelting Process was first implemented at Harjavalta Smelter in FinlandThe traditional Outotec Flash Smelting Process is used in Norilsk Nickel operations, india nickel smelting technology - woneninschoonoordnl. Ferro Nickel Alloy Smelting with RKEF Process Technology, Jul 29, 2016 .

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Flash smelting - WikiMili, The Free Encyclopedia

2019-07-25· Flash smelting (Finnish : Liekkisulatus, literally "flame-smelting") is a smelting process for sulfur -containing ores including chalcopyrite. The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore. It has also been adapted for nickel and lead production.

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Flash Smelting - an overview | ScienceDirect Topics

2011-02-03· Ni flash smelting is a high-productivity smelting process which efficiently uses the heat from sulfide mineral oxidation to heat and melt the furnace products and efficiently captures its by-product SO 2. However, it is an oxidizing process and therefore .

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Direct Nickel Process - Outotec

Outotec® Direct Nickel Process Get continuous production of high-grade nickel matte with low iron content with the Direct Outotec Nickel Flash Smelting Process. When coupled with our slag cleaning process, nickel smelting is straightforward, cost effective, and does not require ladles or complex plant layouts. Offers raw material flexibility

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Smelting - an overview | ScienceDirect Topics

In flash smelting, the roasting and smelting steps are combined into one step. The concentrate and the sand flux are suspended in the oxidizing medium along with preheated air. The ''flash'' combustion of iron and sulfur with the oxygen provides operating temperature. The iron sulfide undergoes double decomposition with copper and nickel oxides that have been formed, e.g., Cu

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Direct To Blister Copper Slag Crushing - Tfotpe

Direct Outokumpu Nickel Flash Smelting Process Decoppering of the slag from the flash directtoblister process at the Gogw II smelter Poland It was found that for the experimental conditions the copper recovery from the slag increases as the interface of the slagcarbon increases oxygen potential in an Outokumpu flash smelting furnace the produced slag contains 1216 Cu in .

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The distribution of trace elements in nickel flash smelting

dcntributor: Aalto-yliopisto: fi: dcntributor: Aalto University: en: dcntributor.advisor: Taskinen, Pekka: dcntributor.advisor: Sukhomlinov, Dmitry

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The distribution of trace elements in nickel flash smelting

The goal of this study was to investigate the distribution of trace elements (Ge, Co, Se, Pb and Sn) between nickel matte and fayalite slag in the Direct Outotec Nickel Flash Smelting – process. The experiments were conducted with a method that includes equilibration and quenching of the sample, followed by an EPMA-analysis.

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FROTH FLOTATION TO REPLACE ELECTRIC FURNACE FOR NICKEL ...

Froth flotation followed by flash smelting showed good economic values for the final contained value of US $40.8 million at 15% Ni grade. While the direct reduction of slag in the electric furnace produces contained value of US $27.6 million at 17% Ni grade.

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OUTOTEC FLASH SMELTING TECHNOLOGY

Outotec Direct Nickel Flash Smelting (DON) This process enables high-grade nickel matte to be produced using a single flash smelting furnace. It allows higher recovery of nickel, cobalt, and precious metals than conventional nickel processes when processing phases and material recirculation are kept to .

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Phase chemical composition of slag from a direct nickel ...

A nickel flash smelting furnace is initially used to obtain the valuable metal but the loss of nickel in the slag amounts to about 4 % and thus an electric slag-cleaning furnace has to be subsequently used to reduce the loss of the valuable metal to less than 0.5 % nickel oxide in the slag. The Fe 2 + /Fe 3 + ratio and mineralogy in the two different furnaces differ and can be used as a tool ...

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List of Publications: Flash and Bath Smelting

Evaluation of Nickel Flash Smelting Through Piloting and Simulation: SR Varnas, N Kemori, PTL Koh: Metallurgical and Materials Transaction B, 29B (1998) 1329-1343: Abstract (external link) | Full Paper (avail. for purchase) Numerical Modelling of Combustion in a Zinc Flash Smelter: PTL Koh, TV Nguyen, FRA Jorgensen: Proceedings of the International Conference on Computational Fluid Dynamics in ...

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A thermodynamic model of nickel smelting and direct ...

A Thermodynamic Model of Nickel Smelting and Direct High-Grade Nickel Matte Smelting Processes: Part I. Model Development and Validation ¨ TZ PENGFU TAN and DIETER NEUSCHU A thermodynamic model has been developed to predict the distribution behavior of Ni, Cu, Co, Fe, S, As, Sb, and Bi in the Outokumpu flash-smelting process, the Outokumpu ...

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Processing of PGM containing Ni/Cu bulk concentrates in a ...

Producing bulk concentrates and treating them by Outotec Direct Nickel Flash Smelting (DON) to matte and then hydrometallurgical refining, offers a reliable route from concentrate to product. In the DON process high grade matte with low Fe-content is produced in the Flash smelting furnace (FSF) and metal values in slag are recovered in an electric furnace (EF). Matte refining is based on ...

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Flash smelting - Wikipedia

Flash smelting (Finnish: Liekkisulatus, literally "flame-smelting") is a smelting process for sulfur -containing ores including chalcopyrite. The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore. It .

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A thermodynamic model of nickel smelting and direct ...

A Thermodynamic Model of Nickel Smelting and Direct High-Grade Nickel Matte Smelting Processes: Part I. Model Development and Validation ¨ TZ PENGFU TAN and DIETER NEUSCHU A thermodynamic model has been developed to predict the distribution behavior of Ni, Cu, Co, Fe, S, As, Sb, and Bi in the Outokumpu flash-smelting process, the Outokumpu ...

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Impact of MgO and K 2 O on Slag-Nickel Matte Equilibria ...

2019-11-13· In this converter-less nickel matte smelting technology, a FSF (flash smelting furnace) produces high grade nickel matte with a low iron concentration, while an EF (electric furnace) is employed to recover the metal values from the smelting slag to iron-rich matte (alloy). By introducing this technology at Harjavalta, the production throughput grew three-fold. Meanwhile, the environmental ...

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What Is Nickel Smelting? (with picture)

2020-07-31· Most often, nickel smelting occurs with flash smelting, in which electricity and oxygen are combined to quickly reach the high temperature needed. Nickel ore must melt until it becomes a product known as liquid matte, which is usually around 45 percent nickel and 55 percent slag or other metals.

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flash smelting process

Outotec Flash Smelting Process The Outotec Direct Nickel Flash Smelting Process was first implemented at Harjavalta Smelter in Finland Simultaneously with the adoption of the new process the nickel production was doubled The entire target of the project was to improve the profitability cut sulphur dioxide emissions improve the. Get More . File Copper Flash Smelting Process EN svg Wikipedia ...

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Impact of MgO and K 2 O on Slag-Nickel Matte Equilibria ...

2019-11-13· Slag chemistry of the direct nickel matte smelting was studied in typical industrial high-grade nickel matte smelting conditions at 1400 °C and 0.1 atm pSO2. The experimental technique used involved equilibration, quenching and direct elemental phase composition analysis by Electron Probe X-ray Microanalysis.

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The Direct Outokumpu Nickel Smelting (DON) Process and the ...

The process was named the Direct Outokumpu Nickel Smelting Process or the DON Process. At the turn of the 1990s, Outokumpu studied various options to develop its nickel business and the Harjavalta operations. As a result of this work, the DON Process was further developed to produce two mattes: low iron matte in the flash furnace to be leached in the existing leaching circuit and high iron ...

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OUTOTEC SMELTING SOLUTIONS FOR THE PGM INDUSTRY

The Outotec Direct Nickel Flash Smelting Process was first implemented at Harjavalta Smelter in Finland. Simultaneously with the adoption of the new process, the nickel production was doubled.

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Nickel: smelting, producing-Metalpedia

Nickel flash smelting Outotec® Nickel Flash Smelting Process is a benchmark nickel-smelting method and a clear global leader in the world's primary nickel production from sulfide raw materials. Efficiency and improved environmental and in-plant hygiene have been the guiding principles in developing the process.

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The distribution of trace elements in nickel flash smelting

The goal of this study was to investigate the distribution of trace elements (Ge, Co, Se, Pb and Sn) between nickel matte and fayalite slag in the Direct Outotec Nickel Flash Smelting – process. The experiments were conducted with a method that includes equilibration and quenching of the sample, followed by an EPMA-analysis.

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Flash smelting - Wikipedia

Nickel: smelting, producing-Metalpedia

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