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outokumpu iron ore process

Outokumpu Lead and Zinc Mine - Tara - Eire - Mining ...

On surface, run-of-mine ore is fed to the secondary and tertiary crushers, then ground by open-circuit rod milling followed by closed-circuit ball milling. The ground product passes to flotation circuits for lead recovery, followed by zinc. The flotation circuit includes 18

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Computer Control of the Outokumpu Pyrite Smelting

01/06/1971  The Outokumpu pyrite flash smelting process The Outokumpu process to make elemental sul­phur, iron oxide, S02-gases and steam energy from pyrite is based on the flash smelting opera­ tion developed by the company itself. Dried fine­ grained pyrite is heated by combustion gases to a temperature sufficiently high to decompose it and to yield its labile sulphur (figure 1. ) Three burners

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Outokumpu Technology to deliver a large sinter plant for ...

29/09/2006  Outokumpu Technology has signed a significant contract with Brazilian iron ore producer ThyssenKrupp CSA Companhia Siderúrgica (CSA) for the design and delivery of a sinter plant for CSA. The total value of the contract amounts to EUR 160 million, of which approximately EUR 90 million will be recognized as sales of Outokumpu Technology. The companies have announced the

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outokumpu iron ore process - lamandygotte

outokumpu iron ore process HFC Refrigerants (55) HST Hydraulic Cone CrusherHST series hydraulic cone crusher is combined with technology such as machinery, hydraulic pressure, electricity, automation, intelligent control, etc. , representing the most advanced crusher technology in the world.

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Processes and Procedures in the Extraction of Iron ...

15/02/2021  The extraction of iron from its ores is quite a technical process. The iron ore is first roasted in air to produce iron(III) oxide which is mixed with coke and limestone and then further heated to a very high temperature in a blast furnace. These materials are loaded into the blast furnace from the top while a blast of hot air is introduced into it from beneath via small pipes known as tuyeres.

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Major Brazilian orders for Outokumpu Technology ...

Outokumpu Technology has won a large iron ore pelletizing plant order from Mineraçôes Brasileiras Reunidas (MBR). It will deliver process equipment for a pelletizing plant to be built in Nova Lima, Minas Gerais, Brazil. The contract value exceeds €110 million. This deal is continuation to the engineering contract the companies announced in March 2006.

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Outokumpu Technology Oyj has published a supplement

"On September 29, 2006, Outokumpu Technology announced that it had been granted a large iron ore pelletizing plant order in Brazil. The Company has agreed with Minerações Brasileiras Reunidas ("MBR") upon the delivery of process equipment for a pelletizing plant to be built in Nova Lima, Minas Gerais, Brazil. The contract value exceeds EUR 110 million. This contract is continuation to the

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Computer Control of the Outokumpu Pyrite Smelting

01/06/1971  The Outokumpu pyrite flash smelting process The Outokumpu process to make elemental sul­phur, iron oxide, S02-gases and steam energy from pyrite is based on the flash smelting opera­ tion developed by the company itself. Dried fine­ grained pyrite is heated by combustion gases to a temperature sufficiently high to decompose it and to yield its labile sulphur (figure 1. ) Three burners

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Processes and Procedures in the Extraction of Iron ...

The extraction of iron from its ores is quite a technical process. The iron ore is first roasted in air to produce iron(III) oxide which is mixed with coke and limestone and then further heated to a very high temperature in a blast furnace. These materials are loaded into the blast furnace from the top while a blast of hot air is introduced into it from beneath via small pipes known as tuyeres. The temperature

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The Six Main Steps of Iron Ore Processing Multotec Canada

Six steps to process iron ore. 1. Screening. We recommend that you begin by screening the iron ore to separate fine particles below the crusher’s CSS before the crushing stage. A static screen is used to divert the fine particles for crushing. This step prevents overloading the crusher and increases its efficiency. Fine particles make the crusher less efficient and increase the power draft ...

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Kemi - Mining Technology Mining News and Views

Mining in the main pit, which worked five separate ore ‘lenses’, was initially expected to finish around 2007 at a depth of 220m, but actually ceased at the end of 2005. In the 1990s, Outokumpu planned a major stainless steel expansion. A parallel Intelligent Mine Programme focused on grade-based, real-time, operation-wide control using fast communications interfaced with a master database. The

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Process for the roasting and chlorination of finely ...

A process for the roasting of a finely-divided raw material selected from iron ores and concentrates or both which contain non-ferrous metals and for their chlorination, in order to vaporize the non-ferrous metals as metal chloride compounds, comprising oxidizing the finely-divided raw material at an elevated temperature to produce an oxide melt, and mixing a chlorinating reagent and an oxygen containing

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Direct Reduction Process Using a Single Fluidised Bed ...

CIRCOFER technology is a direct reduction process that is capable of reducing iron ore in the solid state to a metallisation of 50% or higher. CIRCOFER technology is based on the use of fluidised beds. The main feed materials to the fluidised beds are fluidising gas, metal oxides (typically iron ore fines), solid carbonaceous material (typically coal) and oxygen-containing gas (typically oxygen gas). The main

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Extraction of Iron from its ores, Iron dressing, Reduction ...

23/10/2018  Purification concentration process is the process of using surface tension properly, magnetic or electrical separation to remove the unwanted impurities which are chemically combined or mixed with ore to increase the percentage of iron in the ore. Ore-dressing process is also carried out to improve the chemical properties of ores by roasting, It means heating the substance strongly in the air

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Malmberget Iron Ore Mine, Sweden - Mining

Broken ore is trammed to orepasses that run from the production sublevels to the haulage level, located since 1989 at 815m. Here, the ore is transported by 120t-capacity Sisu Mammut (mammoth) trucks to the underground crusher stations. Vehicle haulage is used in preference to a rail system to give better control over the blending of ore from each of the seven operating areas. After primary crushing underground,

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Outokumpu and Riedhammer agreement - International

Outokumpu Technology has over 50 years of experience in supplying green anode plants and equipment for aluminum smelters with a track record of over 40 plants and numerous pieces of equipment installed worldwide. The company is also an important supplier of rod shop process equipment and related technologies to the primary aluminum smelters.

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Hans Kellner - Process developer - Outokumpu LinkedIn

Magnetite (Fe3O4) powder using Swedish iron ore as raw material was dissolved in hydrochloric acid (HCl) at different concentrations in an attempt to provide a low-cost efficient precursor for large scale synthesis of Fe3O4 nano-particles for e.g. biomedical applications. Experiments were done during both the dissolving stage and the precipitation stage in the attempt to synthesize nano-sized ...

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Processes and Procedures in the Extraction of Iron ...

The extraction of iron from its ores is quite a technical process. The iron ore is first roasted in air to produce iron(III) oxide which is mixed with coke and limestone and then further heated to a very high temperature in a blast furnace. These materials are loaded into the blast furnace from the top while a blast of hot air is introduced into it from beneath via small pipes known as tuyeres. The temperature

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The Science of Comminution

This large (6.5 x 9.2M) iron ore grinding mill was the first mill of any kind supplied with a wrap-around motor (ring motor) to the mining industry. Scanmec also developed the concept of employing shell mounted pad type bearings to reduce the peak stress levels which had previously proven to be problematic. Today, former Nordberg Mills, Morgardshammar and Scanmec are member business

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Kemi - Mining Technology Mining News and Views

In quality terms, Outokumpu was less fortunate: the average Cr2O3 content is about 26% and the chromium-to-iron ratio (Cr:Fe) is 1.53:1, compared with 1,960 ferrochrome smelting norms of 45-50% Cr2O3 and a Cr:Fe ratio of 3:1. Three main ore types are defined, corresponding to the mill products – fine concentrate (12–100 micron particles), upgraded lumpy type (34–36% Cr2O3) and super

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The Six Main Steps of Iron Ore Processing Multotec Canada

Six steps to process iron ore. 1. Screening. We recommend that you begin by screening the iron ore to separate fine particles below the crusher’s CSS before the crushing stage. A static screen is used to divert the fine particles for crushing. This step prevents overloading the crusher and increases its efficiency. Fine particles make the crusher less efficient and increase the power draft ...

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Extraction of Iron from its ores, Iron dressing, Reduction ...

23/10/2018  Purification concentration process is the process of using surface tension properly, magnetic or electrical separation to remove the unwanted impurities which are chemically combined or mixed with ore to increase the percentage of iron in the ore. Ore-dressing process is also carried out to improve the chemical properties of ores by roasting, It means heating the substance strongly in the air

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Iron processing - Ores Britannica

Iron processing - Iron processing - Ores: Iron ores occur in igneous, metamorphic (transformed), or sedimentary rocks in a variety of geologic environments. Most are sedimentary, but many have been changed by weathering, and so their precise origin is difficult to determine. The most widely distributed iron-bearing minerals are oxides, and iron ores consist mainly of hematite (Fe2O3), which is red;

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Outokumpu and Riedhammer agreement - International

Outokumpu Technology has over 50 years of experience in supplying green anode plants and equipment for aluminum smelters with a track record of over 40 plants and numerous pieces of equipment installed worldwide. The company is also an important supplier of rod shop process equipment and related technologies to the primary aluminum smelters.

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Iron Ore Smelting Process - Bright Hub Engineering

Iron ore is obtained in the conventional method of open cast or underground mining and conveying the ore to the surface preparation are where it is crushed, washed, and transported to the smelter. Here the ore is put into a blast furnace along with limestone and coke and subjected to hot air blasting and heat which converts the ore to molten iron.

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Iron Ore Processing Home

Narvik is situated at the Ofotfjord, north of the Arctic Circle, and has an average annual temperature of around 4° C. Thanks to these temperatures, which are influenced by the Gulf Stream, the fjord remains free of ice almost all year round.This is where the processing plant of Scandinavia’s biggest iron ore producer is located, with a facility for direct loading of iron ore pellets onto ...

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Hans Kellner - Process developer - Outokumpu LinkedIn

Magnetite (Fe3O4) powder using Swedish iron ore as raw material was dissolved in hydrochloric acid (HCl) at different concentrations in an attempt to provide a low-cost efficient precursor for large scale synthesis of Fe3O4 nano-particles for e.g. biomedical applications. Experiments were done during both the dissolving stage and the precipitation stage in the attempt to synthesize nano-sized ...

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