what are iron ore pellets used for?
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Iron ore pellets are spheres of typically 6–16 mm (0.24–0.63 in) to be used as raw material for blast furnaces. They typically contain 64–72% Fe and various additional material adjusting the chemical composition and the metallurgic properties of the pellets.
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Iron ore. Ferruginous rock containing one or more minerals from which metallic iron may be profitably extracted. The chief ores of iron consist mainly of the oxides: hematite, Fe2O3 ; goethite, alpha -FeO(OH); magnetite, Fe3O4; and the carbonate, siderite FeCO3.
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Coking coal is a key raw material in steel production. As iron occurs only as iron oxides in the earth's crust, the ores must be converted, or 'reduced', using carbon. The primary source of this carbon is coking coal. ... Coke reduces iron ore to molten iron saturated with carbon, called hot metal.
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Magnetic metallic elements These include iron ore (magnetite or lodestone), cobalt and nickel, as well as the rare earth metals gadolinium and dysprosium (when at a very low temperature). Such naturally occurring ferromagnets were used in the first experiments with magnetism.
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Uses of iron Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese. These are used to make bridges, electricity pylons, bicycle chains, cutting tools and rifle barrels. Cast iron contains 3–5% carbon. It is used for pipes, valves, and pumps.
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Pig iron is produced in the blast furnace sector. The raw materials used include ore, sinter, coke, lime and various aggregates.
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The source of both pig iron and sponge iron are iron ore. In case of pig iron, the ore is reduced and melt in the blast furnace and the preliminary product is liquid iron, which solidifies to pig iron. On the other hand, sponge iron is achieved by reduction of iron ore in a solid state process. The ore is never melted.
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The most important oxides are the iron oxides hematite and magnetite (Fe2O3 and Fe3O4, respectively). Both of these are important ores of iron.
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Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. ... Then, slag-tailing concrete composite admixtures were prepared from high-silica residues.
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Usage. Iron bars used to create arrow slits. Iron bars can be used to create arrow slits when placed between a door and a solid block. This creates a small gap between the door and the iron bars that mobs can see through (and attempt to attack the player through), and through which arrows can be shot.
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The copper coating reduces the friction with air, providing an 20% increased velocity when compared to similar weight pellets, delivering extra knock-down power at any distance. ... Round pellets (not to mix with steel BB's), are ideal for plinking and achieving huge impact on any target.
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Iron(II) oxide or ferrous oxide is the inorganic compound with the formula FeO. Its mineral form is known as wüstite. One of several iron oxides, it is a black-colored powder that is sometimes confused with rust, the latter of which consists of hydrated iron(III) oxide (ferric oxide).
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The raw materials used to produce pig iron in a blast furnace are iron ore, coke, sinter, and limestone. Iron ores are mainly iron oxides and include magnetite, hematite, limonite, and many other rocks. The iron content of these ores ranges from 70% down to 20% or less.
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Both types of iron are strong, durable and good for machining into new shapes. Ductile iron is used to make pipework and automotive parts such as crankshafts, truck axles and wheel hubs. Malleable iron is well suited to situations where it has to be flattened and shaped by hammering.
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The mined iron ore is usually sold to steel makers as concentrate, fines, pellets, and lump. ... Lump iron is between six–30 millimeters in size, while anything below six millimeters is considered fines which have iron content ranging from 56%–66%.
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1. About ferrous fumarate. Ferrous fumarate is a medicine used to treat and prevent iron deficiency anaemia. Iron helps the body to make healthy red blood cells which carry oxygen around the body.
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The combustion of iron ore with other materials in the blast furnace produces molten pig iron, which is then converted to steel. Limestone is added to the blast furnace to capture impurities and create a waste slag. ... Oxygen reacts with the high levels of carbon in the pig iron and scrap to form CO and CO2.