why we HAvE To UsE COke LImeSTONE And irON oRe tO mAKe iROn

  • Coal to Make Coke and Steel, Kentucky Geological Survey ...

    2019-9-24 · The coke is mixed with iron ore and limestone to make molten iron, which is then further treated and heated to make steel. Generalized diagram showing how steel is made. In the steel-making process, coke is used in the blast furnace as a (1) fuel to produce added heat; (2) chemical-reducing agent for the reduction of iron oxides; and (3) as a ...

    Chat Online
  • What is the use of coke in the blast furnace? - R4 DN

    2020-7-13 · Coke, iron ore and limestone are fed into blast furnaces, which runs continuously. What is the price of Coca Cola in India? The company has increased prices of its cola brands from Rs 34 to Rs 37 (600 ml bottle). It has taken price hikes for its 1.25-litre pack from Rs 52 to Rs 55, informed a retailer from HomeMart in north Mumbai. With the ...

    Chat Online
  • Extracting iron - Redox, extraction of iron and transition ...

    2021-12-30 · Coke Carbon (C) Used as a fuel and reacts to form carbon monoxide (needed to reduce the iron(III) oxide) Limestone Calcium carbonate (CaCO 3) Helps to remove acidic impurities from the iron by ...

    Chat Online
  • Ironmaking 101 – From Ore to Iron with Blast Furnaces ...

    2017-10-10 · Ironmaking Blast Furnace. Iron is made by reacting iron ore (iron oxide and impurities), coke (a reductant) and limestone (CaCO 3) in a blast furnace.. Iron ores with lower iron content such as taconite are first processed

    Chat Online
  • The chemistry of steelmaking. Making iron.

    2014-6-13 · What do we need to make iron? Making iron is the first step in the production of steel. Iron is usually made from iron ore, coal and limestone - although some plants around the world have developed alternative methods of iron manufacture.These newer methods require slightly different raw materials but iron ore, coal and limestone remain the starting point for most steel

    Chat Online
  • How does coke fit into the steelmaking process?

    2015-1-3 · Steelmaking. Coke and iron ore, along with other minerals, are heated in a furnace to make iron. Following are the two methods used to convert molten iron to steel: Basic oxygen furnace (or BOF ...

    Chat Online
  • 03 0620 32 3RP - GCE Guide

    2020-5-19 · 4 CE 2020 062032F20 2 Iron is extracted by heating a mixture of coke (carbon), limestone and iron ore in air in a blast furnace. A diagram of the blast furnace is shown. coke (carbon) + limestone + iron ore air in molten iron slag firebrick lining (a) Name the ore of iron added to the blast furnace. [1] (b) The impurities in the iron ore are removed as slag. (i) What

    Chat Online
  • IRON AND STEEL - chemguide: helping you to understand ...

    2021-12-30 · This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. The common ores of iron are both iron oxides, and these can be reduced to iron by heating them with carbon in the form of coke ...

    Chat Online
  • Effect of adding limestone on the metallurgical properties ...

    2015-8-10 · One example is Umadevi et al. (2011), who carried out basket trials with iron ore pellets with basicity ranging from 0.08 to 1.15 in order to understand the effect of adding limestone on the microstructural, physical and metallurgical properties of iron ore pellets. In their study, the Tumble Index (TI) and the Cold Crushing Strength (CCS ...

    Chat Online
  • Coal to Make Coke and Steel, Kentucky Geological Survey ...

    2019-9-24 · The coke is mixed with iron ore and limestone to make molten iron, which is then further treated and heated to make steel. Generalized diagram showing how steel is made. In the steel-making process, coke is used in the blast furnace as a (1) fuel to produce added heat; (2) chemical-reducing agent for the reduction of iron oxides; and (3) as a ...

    Chat Online
  • Making Cast Iron from Pig Iron - GuideChem

    2021-8-5 · I have quoted the following answers from the UC Davis ChemWiki page on "The Extraction of Iron.". Why is coke added as well, when the purpose is to decrease the carbon content? Coke is used primarily as a reducing agent (see below) and comes out as carbon dioxide (and thus does not increase the carbon content of the molten iron).

    Chat Online
  • How does coke fit into the steelmaking process?

    2015-1-3 · Steelmaking. Coke and iron ore, along with other minerals, are heated in a furnace to make iron. Following are the two methods used to convert molten iron to steel: Basic oxygen furnace (or BOF ...

    Chat Online
  • The chemistry of steelmaking. Making iron.

    2014-6-13 · What do we need to make iron? Making iron is the first step in the production of steel. Iron is usually made from iron ore, coal and limestone - although some plants around the world have developed alternative methods of iron manufacture.These newer methods require slightly different raw materials but iron ore, coal and limestone remain the starting point for most steel

    Chat Online
  • Why Use Coke for Blast Furnace Ironmaking not Use Coal ...

    2019-10-6 · Why Use Coke for Blast Furnace Ironmaking not Use Coal Directly? Coke is an important raw material in the smelting process of the blast furnace, accounting for about 45%. Others include pellets, sinter, lump ore, limestone

    Chat Online
  • The Importance of Minerals and Mining

    2016-7-27 · To make Steel we need Iron Ore. Here it comes from a Minnesota Taconite Mine. The ore goes to a Taconite Pellet Plant, ... where they are fed into a Blast Furnace With Coke (made from coal) and Limestone to make liquid iron. Molten iron is tapped from the Blast Furnace, and poured into a Basic Oxygen Furnace to make Steel. Large steel sections ...

    Chat Online
  • Iron Ore Smelting Process - Bright Hub Engineering

    2010-3-13 · The ore is loaded into a blast furnace along with measured quantities of coke and limestone. Hot combustion air is supplied to the furnace and some form of fuel used to raise the temperature. The iron is reduced from the ore by

    Chat Online
  • Extraction of Iron | Metallurgy | Blast Furnace and Reactions

    2021-12-14 · This concentrated ore is mixed with limestone (CaCO 3) and Coke and fed into the blast furnace from the top. It is in the blast furnace that extraction of iron occurs. The extraction of iron from its ore is a long and subdued process,

    Chat Online
  • IRON AND STEEL - chemguide: helping you to understand ...

    2021-12-30 · This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. The common ores of iron are both iron oxides, and these can be reduced to iron by heating them with carbon in the form of coke ...

    Chat Online
  • The Potential of Hydrogen for Decarbonization: Reducing ...

    2021-2-18 · In BF-BOF steelmaking, iron ore, coke (high-carbon coal purged of volatile compounds), and limestone are added to a blast furnace, where the iron ore reacts with carbon monoxide to produce high-carbon crude iron and CO₂.The iron is then transferred to a basic oxygen furnace, where oxygen combines with some of the carbon in the crude iron, resulting

    Chat Online
  • In a blast furnace why are the coke and limestone needed ...

    2009-7-7 · In the first stage, iron ore is heated with limestone and coke (pure carbon) in a blast furnace. A blast furnace is a very large oven in which the

    Chat Online
  • Making Cast Iron from Pig Iron - GuideChem

    2021-8-5 · I have quoted the following answers from the UC Davis ChemWiki page on "The Extraction of Iron.". Why is coke added as well, when the purpose is to decrease the carbon content? Coke is used primarily as a reducing agent (see below) and comes out as carbon dioxide (and thus does not increase the carbon content of the molten iron).

    Chat Online
  • The chemistry of steelmaking. Making iron.

    2014-6-13 · What do we need to make iron? Making iron is the first step in the production of steel. Iron is usually made from iron ore, coal and limestone - although some plants around the world have developed alternative methods of iron manufacture.These newer methods require slightly different raw materials but iron ore, coal and limestone remain the starting point for most steel

    Chat Online
  • The Importance of Minerals and Mining

    2016-7-27 · To make Steel we need Iron Ore. Here it comes from a Minnesota Taconite Mine. The ore goes to a Taconite Pellet Plant, ... where they are fed into a Blast Furnace With Coke (made from coal) and Limestone to make liquid iron. Molten iron is tapped from the Blast Furnace, and poured into a Basic Oxygen Furnace to make Steel. Large steel sections ...

    Chat Online
  • Why Use Coke for Blast Furnace Ironmaking not Use Coal ...

    2019-10-6 · Why Use Coke for Blast Furnace Ironmaking not Use Coal Directly? Coke is an important raw material in the smelting process of the blast furnace, accounting for about 45%. Others include pellets, sinter, lump ore, limestone

    Chat Online
  • Iron Ore Smelting Process - Bright Hub Engineering

    2010-3-13 · The ore is loaded into a blast furnace along with measured quantities of coke and limestone. Hot combustion air is supplied to the furnace and some form of fuel used to raise the temperature. The iron is reduced from the ore by

    Chat Online
  • How is Iron Extracted from Iron Ore | Actforlibraries.org

    The iron ore itself is not pure ore. It is also contaminated with a variety of rock, which will not necessarily melt at blast furnace temperatures and therefore could clog it up. For this reason, limestone, or calcium carbonate, is added to the initial furnace charge. The hot furnace reacts with the limestone to give calcium oxide. CaCO3 ...

    Chat Online
  • The Potential of Hydrogen for Decarbonization: Reducing ...

    2021-2-18 · In BF-BOF steelmaking, iron ore, coke (high-carbon coal purged of volatile compounds), and limestone are added to a blast furnace, where the iron ore reacts with carbon monoxide to produce high-carbon crude iron and CO₂.The iron is then transferred to a basic oxygen furnace, where oxygen combines with some of the carbon in the crude iron, resulting

    Chat Online
  • Cambridge Assessment International Education

    2020-12-21 · Hematite, coke, limestone and hot air are added to the furnace. Which explanation is not correct? A Coke burns and produces a high temperature. B Hematite is the ore containing the iron as iron(III) oxide. C Hot air provides the oxygen for the burning. D Limestone reduces the iron(III) oxide to iron. 27 Why is aluminium used to make containers ...

    Chat Online
  • Different Types of Iron Ore - 911metallurgist

    2016-10-5 · A Bessemer ore carrying 52% of iron must not have more than .052% of phosphorus and the sulphur should not exceed .04%. But since the presence of phosphorus in pig iron increases the fluidity and tends to make sound castings, ores high in phosphorus are used in making foundry pig iron.

    Chat Online
ZhengZhou N-CAI Corporation © 2020 Copyright.Crusher