Customer case aboutiron slag olivine

iron slag olivine

Olivine as slag conditioner in ironmaking, and its effect

During 1980-85 many of the European iron producers replaced dolomite as slag conditioner with olivine due to the positive effects of olivine, especially in the sinter.

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Sibelco Olivine Products

Olivine is a magnesium-iron-silicate with the formula (Mg, Fe)2SiO4. Olivine is actually a name for a series between two end members, iron-rich fayalite and magnesium-rich forsterite. Olivine is often used in metallurgical processes as a slag conditioner, and as

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Olivine Mine The Use Of Iron And Steel Industry — Dudolp

2017-2-28  Olivine is a widely used iron and steel industry as a smelter and slag regulator in blast furnaces. In the iron-steel industry, it is desirable that the blast furnace iron ore be homogeneously melted and mixed with the slag. The most important point here is that impurities such as sulfur and phosphate in the slurry are removed from the medium by forming compounds with oxides such as CaO, MgO

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Formation of potassium slag in olivine fluxed blast

During 1980-85 many of the European iron producers replaced dolomite as slag conditioner with olivine due to the positive effects of olivine, especially in the sinter.

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Slag Conditioner Eryas Mining olivine sand, EAF, AFS

Olivine can be used as slag conditioner both in production of sinter and pellet by way of mixing into iron ore and by way of adding as direct billet to high blast furnace. The addition of olivine may be made along with the charge and both in oxidizing and refining slags.

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Formation of potassium slag in olivine fluxed blast

2017-2-6  Iron reduction and the deformation of the pellets were enhanced in the zone of high alkali deposition. Thin sections of pellet samples were prepared to distinguish amorphous and crystalline slag phases for a better understanding of the formation of the potassium rich slag. Olivine breaks down to various extents to form a SiO2 FeO MgO K 2O glass.

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olivine mineral Britannica

olivine, any member of a group of common magnesium, iron silicate minerals.. General considerations. Olivines are an important rock-forming mineral group. Magnesium-rich olivines are abundant in low-silica mafic and ultramafic igneous rocks and are believed to be the most abundant constituent of the Earth’s upper mantle. Olivine

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Co-utilization of ferronickel slag and fly ash cenosphere for

2021-1-5  Specifically, after initial decomposition of ferronickel slag, there existed a low-iron olivine phase and cordierite and enstatite became the dominant phases when the sintering temperature increased from 1100 °C to 1300 °C.

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Mineralogy and environmental geochemistry of historical

2012-3-1  Highlights Historical iron slag is chemically dominated by Al 2 O 3, Cao, MgO, and SiO 2. Some samples are enriched in elements such as As, Cd, Cu, and Mn. Mineralogy is pyroxene, olivine, iron metal, glass; some melilite, spinel, sulfides. Al, Cu, Fe, and Mn leached during simulated weathering. Partitioning of elements among phases affects their potential release to environment.

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Meteorite Museum University of New Mexico

2012-1-20  Lumps of iron slag from smelting processes can also have some similarities to meteorites, so it is important to be careful. The major difference between iron produced by human activity and meteoritic iron is the presence of the element nickel. Iron metal

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Formation of potassium slag in olivine fluxed blast

During 1980-85 many of the European iron producers replaced dolomite as slag conditioner with olivine due to the positive effects of olivine, especially in the sinter.

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VISCOSITY OF ALUMINO-OLIVINE SLAGS

2015-9-7  It means that high and low iron olivine slags above 1280ºC are fully operational and the slag/blister separation should proceeds without any problems. The high iron slag means the lower fluxes addition and smaller amount of produced converting slag. Figure 6: Slag viscosity as a function of temperature A1 36% FeO, 30% CaO, 34% SiO

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olivine mineral Britannica

olivine, any member of a group of common magnesium, iron silicate minerals.. General considerations. Olivines are an important rock-forming mineral group. Magnesium-rich olivines are abundant in low-silica mafic and ultramafic igneous rocks and are believed to be the most abundant constituent of the Earth’s upper mantle. Olivine

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Olivine Mineral Physical Optical Properties, Uses

Olivine Uses. Olivine is a mineral that isn’t regularly utilized in enterprise. Most olivine is used in metallurgical strategies as a slag conditioner. High-magnesium olivine (forsterite) is introduced to blast furnaces to take away impurities from metallic and to shape a slag. Olivine

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Mineral Reactions and Slag Formation During Reduction

2017-2-6  magnesium to pellets by raising the melting point of slag phases. Less amount of liquid slag early in the blast furnace gives higher porosity which promotes the reducibility of the iron oxides. LKAB use olivine with forsteritic composition today as a magnesium source in their pellets. Further additives to LKAB’s blast furnace pellets are

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Slag Conditioner Eryas Mining olivine sand, EAF, AFS

Olivine can be used as slag conditioner both in production of sinter and pellet by way of mixing into iron ore and by way of adding as direct billet to high blast furnace. The addition of olivine may be made along with the charge and both in oxidizing and refining slags.

get price

Mineralogy and environmental geochemistry of historical

2012-3-1  Highlights Historical iron slag is chemically dominated by Al 2 O 3, Cao, MgO, and SiO 2. Some samples are enriched in elements such as As, Cd, Cu, and Mn. Mineralogy is pyroxene, olivine, iron metal, glass; some melilite, spinel, sulfides. Al, Cu, Fe, and Mn leached during simulated weathering. Partitioning of elements among phases affects their potential release to environment.

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铜渣与镁渣复合改质后磁选提铁的工艺研究-Process Study on

2019-6-24  The results show that composite modification of copper slag and magnesium slag can effectively transform iron-rich phase of iron olivine into ferromagnetic magnesia spinel in copper slag, and the latter can be effectively separated by magnetic separation.

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Meteorite Museum University of New Mexico

2012-1-20  Lumps of iron slag from smelting processes can also have some similarities to meteorites, so it is important to be careful. The major difference between iron produced by human activity and meteoritic iron is the presence of the element nickel. Iron metal

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Iron smelting in Argyll, and the chemistry of the process

2019-8-26  iron produced has a melting point of approx. 1,540°C, whereas the slag melts at ~ 1,100°C. The temperatures reached were high enough to melt the slag, but not high enough to melt the iron. The process worked well enough, although the remaining slag still contained much iron, often up to and over 60% FeO (MacAdam 1887, Selskiene 2007, Wealden

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VISCOSITY OF ALUMINO-OLIVINE SLAGS

2015-9-7  It means that high and low iron olivine slags above 1280ºC are fully operational and the slag/blister separation should proceeds without any problems. The high iron slag means the lower fluxes addition and smaller amount of produced converting slag. Figure 6: Slag viscosity as a function of temperature A1 36% FeO, 30% CaO, 34% SiO

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Interaction between Iron Oxides and Olivine in Magnetite

No olivine particles remaining. Two cases, 1) Metal shell closing the structure for further reduction in S.1,S.3 and S.4. Thick layer of slag between the iron shell and main body of spherical wustite particles surrounded by olivine/alkali slag phase. 2) Porous metal formation in S.2 and S.5, with almost 100% conversion to iron .

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olivine mineral Britannica

olivine, any member of a group of common magnesium, iron silicate minerals.. General considerations. Olivines are an important rock-forming mineral group. Magnesium-rich olivines are abundant in low-silica mafic and ultramafic igneous rocks and are believed to be the most abundant constituent of the Earth’s upper mantle. Olivine

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Mineral Reactions and Slag Formation During Reduction of

The present work focuses on mineral reactions and slag formation of LKAB olivine iron ore pellets (MPBO) subjected to reducing conditions in the LKAB experimental blast furnace (EBF). The emphasis is on olivine reactions with surrounding iron oxides. Many factors influence the olivine behaviour. The study was performed by use of micro methods

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Mineralogy and environmental geochemistry of historical

2012-3-1  Highlights Historical iron slag is chemically dominated by Al 2 O 3, Cao, MgO, and SiO 2. Some samples are enriched in elements such as As, Cd, Cu, and Mn. Mineralogy is pyroxene, olivine, iron metal, glass; some melilite, spinel, sulfides. Al, Cu, Fe, and Mn leached during simulated weathering. Partitioning of elements among phases affects their potential release to environment.

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High Temperature Properties of BOF Slag and its

BOF slag in combination with olivine pellets with a low basicity generates a slag with intermediate basicity and the reduction of iron oxides in the slag has a small effect on the melting temperature. The BOF slag decreases the melting point of coal and coke ashes.

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Iron Silicate /// Montanwerke Brixlegg AG

Iron silicate is a by-product of a metal refining process (copper refining process). It is the slag that floats on top of the molten metal. When quenched in water the slag turns into granules which then gets further processed into iron silicate fines and iron silicate stone. The fine-grained and sharp-edged iron silicate is

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Recovery of Copper from Reverberatory Copper Slag and

2016-6-8  Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula (Mg,Fe+2) 2 SiO 4. The production of nano silica from the dissolution of olivine is an economic option when compared with the traditional commercial method

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Meteorite Museum University of New Mexico

2012-1-20  Lumps of iron slag from smelting processes can also have some similarities to meteorites, so it is important to be careful. The major difference between iron produced by human activity and meteoritic iron is the presence of the element nickel. Iron metal

get price

铜渣与镁渣复合改质后磁选提铁的工艺研究-Process Study on

2019-6-24  The results show that composite modification of copper slag and magnesium slag can effectively transform iron-rich phase of iron olivine into ferromagnetic magnesia spinel in copper slag, and the latter can be effectively separated by magnetic separation.

get price

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