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Iron ore comes as a mixture of Ferric and Ferrous Oxide (forms of iron oxide). At the smelter it is mixed with coke and limestone. The coke is the reducing compound. The limestone or some other substance is the flux. Coke is made from heating coal to a high temperature. The coke becomes almost pure carbon. The mixture is placed into a large brick lined open top furnace. It is set on fire.
The oxygen from iron is transferred to the coke. It turns into Carbon dioxide. The iron oxide turns into iron. The limestone mixed with the impurities in the iron ore becomes slag.
From time to time a door in the side is opened up to let out liquid iron and slag. The liquid iron is sent to the next process where it may be turned into steel. The slag becomes like glass.
What else can I help you with?
Is it true or false iron is separated from oxygen by cooling iron ore?
False. Iron is separated from oxygen during the process of smelting iron ore in a blast furnace, where the ore is heated to high temperatures in the presence of carbon (coke) to remove the oxygen and extract the iron. Cooling alone does not separate iron from oxygen in iron ore.
What is the function of iron ore in a blast furnace?
Iron ore is the primary source of iron in a blast furnace. It undergoes a series of reactions, including reduction, to produce molten iron. The iron ore also helps to remove impurities, resulting in high-quality iron production.
Which three substances are put into the blast furnace?
In a blast furnace, iron ore (Fe2O3), coke (carbon), and limestone (CaCO3) are commonly used. Iron ore is the source of iron, coke acts as a fuel and reduces the iron ore to iron, and limestone helps remove impurities by forming a slag.
What substance that is rich in carbon is mixed with iron ore in the process of smelting?
Coke, a form of purified carbon derived from coal, is mixed with iron ore during the process of smelting to act as a reducing agent. This helps to remove oxygen from the iron ore, allowing the iron to be extracted from the ore.
Is iron extracted from its ore through electrolysis?
No, iron is not extracted from its ore through electrolysis. Iron is typically extracted from its ore through a process called reduction, where the ore is heated with a carbon source to remove the oxygen and transform the ore into metallic iron. Electrolysis is more commonly used for extracting reactive metals like aluminum and magnesium.
Why is limestone coke and iron ore added to the balst furnace?
Limestone helps remove impurities (silica, alumina) from the iron ore, forming slag. Coke serves as a reducing agent, reacting with the iron ore to produce carbon monoxide for the reduction process. Iron ore provides the iron for the production of steel in the blast furnace.
What process is used to remove unwanted elements from the freshly mined iron ore?
The process used to remove unwanted elements from freshly mined iron ore is called beneficiation. Beneficiation involves crushing the ore, separating the iron-containing minerals from the non-iron minerals, and then further refining the iron concentrate through processes like magnetic separation and froth flotation to remove impurities like silica.
What is the ore of iron called as?
The ore of iron is called hematite.
What is the ore of iron?
iron ore
Which metal ore do you m ine to extract steel?
Iron ore is the metal ore mined to extract steel. Iron ore is a key raw material used in the production of steel through a process called smelting, where the iron ore is heated with coke and limestone in a blast furnace to remove impurities and create steel.
What occurs during the decomposition of iron ore?
During the decomposition of iron ore, heat is applied to break down the ore into iron and carbon dioxide. This process is usually done in a blast furnace, where the iron ore is mixed with coke (a form of carbon) and limestone. The limestone helps to remove impurities and creates slag, while the coke provides the carbon needed to reduce the iron ore to molten iron.
What substance are mixed with iron ore in the blast furnace?
Coke (a form of carbon) and limestone are mixed with iron ore in the blast furnace. Coke provides the heat source for the chemical reaction, while limestone helps to remove impurities from the iron ore.
