A potential industrial waste-waste co-treatment process was proposed and verified for the recovery of the valuable metals Co, Ni, and Cu from copper smelting slag by utilizing high temperature SO2 ...
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Outokumpu Harjavalta Metals Oy has been producing nickel since 1962, based on conventional flash smelting technology followed by electrowinning of nickel. In the 1980s, a …
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The present invention discloses a flash smelting method for laterite-nickel ore, comprising: smelting laterite-nickel ore powder in a laterite-nickel ore smelting furnace in a reducing atmosphere to obtain alloys containing nickel-cobalt and iron and smelting slag, wherein the laterite nickel ore smelting furnace includes a vertical furnace body, a horizontal furnace …
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's Outotec process for Flash Smelting is one of the world's most commonly used processes for the production of primary copper and nickel. The process is based on our flash smelting principle, which utilizes the internal energy of the feed material for smelting, minimizing the need for external fuel and making the process very energy ...
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Industrial nickel slag from the direct Outotec nickel flash smelting (DON) process was mixed with both synthetic and industrial battery scrap. The end products of the slag-scrap mixtures after ...
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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 …
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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 …
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Our proven Flash Smelting technology is the cleanest and most efficient smelting method for the production of copper and nickel from sulfide concentrates. Suitable
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Industrial nickel slag from the direct Outotec nickel flash smelting (DON) process was mixed with both synthetic and industrial battery scrap. The end products of the slag-scrap mixtures after ...
WhatsApp: +86 18221755073
Experience of the direct Outokumpu nickel (DON) smelting process gained over the first ten years of operation is reviewed, including the significant environmental impacts. In 1995, production capac...
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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 ...
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Behaviour of trace elements in the nickel matte smelting was studied at 1673 K (1400°C) by equilibration-quenching techniques followed by direct phase analyses using electron probe X-ray ...
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Oxygen-activity measurements and sampling for chemical assay were carried out in a nickel flash smelting furnace and slag-cleaning electric furnace during industrial operation. ... The Direct Outokumpu Nickel smelting (DON) process and the Harjavalta expansion. In Grimsey E. and Neuss I. eds Nickel '96 (Carlton South, Australia: Aus.IMM, 1996 ...
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A sampling campaign was carried out at an industrial nickel flash smelter with the aim of evaluating the trace element distributions along the smelting line from raw materials to high-grade nickel matte and discard slag. The industrial technology was direct-to-nickel matte smelting without conventional Peirce–Smith converters, thus having two different nickel mattes …
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Outokumpu Harjavalta Metals Oy has been producing nickel since 1962, based on conventional flash smelting technology followed by electrowinning of nickel. In the 1980s, a research project …
WhatsApp: +86 18221755073
Outotec Direct Nickel Flash Smelting Process 50% of the world armual primary Ni-production from sulfide raw materials is processed by Outotec Flash Smelting technology. The original concept ofNi flash smelting was in operation in Hat:iavalta but since 1995 (Boliden) Hat:iavalta has utilized the DON technology. The same
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I.V. Kojo, T. Mäkinen, and P. Hanniala, " Direct Outo-kumpu Nickel Flash Smelting Process—DON—High Metal Recoveries with Minimum Emissions " (Paper presented at the CIM Conference, Sudbury ...
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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
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Experience of the direct Outokumpu nickel (DON) smelting process gained over the first ten years of operation is reviewed, including the significant environmental impacts. In 1995, production capacity at Harjavalta was increased from 17 000 to 52 000 t/year, by introducing DON technology, additional refinery capacity being based on hydrogen pressure reduction, …
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Oxygen-activity measurements and sampling for chemical assay were carried out in a nickel flash smelting furnace and slag-cleaning electric furnace during industrial operation. In the primary Direct Outokumpu Nickel (DON) smelting furnace, which produces high-grade nickel matte, the oxygen activity and chemical compositions of the slag and matte were quite uniform …
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Outotec Direct Nickel Flash Smelting Process 50% of the world armual primary Ni-production from sulfide raw materials is processed by Outotec Flash Smelting technology. The original concept ofNi flash smelting was in operation in Hat:iavalta but since 1995 (Boliden) Hat:iavalta has utilized the DON technology.
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The flash smelting (FS) is the predominant technology for nickel sulfide ore smelting (Taskinen, 2011) due to the utilization of combustion energy of the nickel concentrates released in exothermic oxidation (Ahokainen and Jokilaakso, 1998) in the reaction shaft (RS) of the flash smelting furnace (FSF). The nickel matte smelting by Outotec ...
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Outokumpu Harjavalta Metals Oy has been producing nickel since 1962, based on conventional flash smelting technology followed by electrowinning of nickel. In the 1980s, a research project was initiated to develop a converterless direct smelting process to produce matte for further refining in the then existing refinery. The process was tested on a pilot plant scale at …
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2. Nickel sulfide deposits. Nickel sulfide deposits are found on most continents, however major deposits are found in Russia, Australia, Canada, and Southern Africa (Hoatson, Jaireth, and Jaques Citation 2006).Canada and Russia possess the largest resources of nickel sulfides, followed by Australia and South Africa; however, Australia has the largest nickel …
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Flash smelting entails continuously blowing oxygen, air, dried particulate sulfide concentrate and silica flux into a 1300 °C furnace. The principal objective of flash smelting is to …
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The Direct Leaching of Nickel Sulfide Flotation Concentrates – A Historic and State-of- the-Art Review Part I: Piloted Processes and Commercial Operations ... from flash smelting are generally higher and recoveries are lower relative to the electric furnace route due to the more oxidizing conditions employed, however slags are processed to ...
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Explore the properties of Nickel (Ni), its compounds, and the process of Nickel Flash Smelting technology. Learn about the production of nickel, its commercial classes, and how it's …
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A thermodynamic model of nickel smelting and direct high-grade nickel matte smelting process: part I. Model development and validation. Metall. Mater. Trans. B Process Metall. Mater. Process. ... Flash smelting settler design modifications to reduce copper losses using numerical methods. Processes, 10 (2022), p. #784, 10.3390/pr10040784. Google ...
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Download scientific diagram | A simplified flowchart of nickel flash smelting (DON) and slag cleaning. The box drawn with dashed lines indicates the focus area of this study. In this work, coke ...
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and environmental impact. Direct Blister Flash Smelting is a natural choice for higher-grade copper concentrates due to its lower capital investment costs. 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
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