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Blast furnace

en.wikipedia.org/wiki/Blast_furnace

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally iron, but also others such as lead or copper. In a blast furnace, fuel, ores, and flux (l...

BBC - GCSE Bitesize: Making iron

www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/rocks/metalsrev2.shtml

Iron is extracted from iron ore in a huge container called a blast furnace. ... burns in air to produce heat, and reacts to form carbon monoxide (needed to reduce ... limestone, calcium carbonate, helps to remove acidic impurities from the iron by ...

GCSE CHEMISTRY - Extraction of Iron in the Blast Furnace ...

www.gcsescience.com/ex20.htm

Limestone is calcium carbonate (CaCO3) and it is added to the blast furnace to remove the impurities in the iron ore. Calcium carbonate is decomposed by heat  ...

How a Blast Furnace Works - American Iron and Steel Institute

www.steel.org/making-steel/how-its-made/processes/how-a-blast-furnace-works.aspx

The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, ... Sinter is produced from fine raw ore, small coke, sand-sized limestone and ...

gcse 2. Blast furnace extraction of iron recycling, steel making ...

www.docbrown.info/page04/Mextracta.htm

... i.e. limestone, coke, air and iron ore and the chemistry of the blast furnace are ... on the extraction of iron in a blast furnace and the process of steel making and other .... (3) Calcium carbonate (a base) is then added to remove the acidic oxide  ...

Steel Wiki - Pig Iron Production - INTERSTAHL Stahlhandel

www.interstahl.com/en/steel-wiki/pig-iron-production.html

To create pig iron in the blast furnace we need iron ore and coke. ... type of impurities in the iron different fluxes are added, for example limestone (for siliceous ...

How iron is made - material, manufacture, making, history, used ...

www.madehow.com/Volume-2/Iron.html

The most common process is the use of a blast furnace to produce pig iron which is ... of material for the production of steel springs to be used in clockmaking. ... to produce pig iron in a blast furnace are iron ore, coke, sinter, and limestone.

www.ask.com/youtube?q=Why Is Limestone Added To A Blast Furnace For Producing Iron&v=8s8rcnxqLIw
May 3, 2010 ... The iron making blast furnace itself is built in the form of a tall chimney-like structure lined with refractory brick. Coke, limestone flux, and iron ...

The Blast Furnace | S-cool, the revision website

www.s-cool.co.uk/gcse/chemistry/extraction-of-metals/revise-it/the-blast-furnace

Oct 5, 2015 ... The charge is placed a giant chimney called a blast furnace. ... Several reactions take place before the iron is finally produced. ... reduces the iron in the ore to give molten iron: The limestone from 2, reacts with the sand to form ...

Iron - The Essential Chemical Industry

www.essentialchemicalindustry.org/metals/iron.html

Iron is produced by reduction of iron ore, which is often a mixture of oxides, using ... Figure 1 Iron ore and coal waiting to be used in a blast furnace in Ijmuiden near ... high-grade iron ore or the iron ore pellets together with coke and limestone.

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The Extraction of Iron - Chemwiki

chemwiki.ucdavis.edu

Nov 29, 2015 ... Extracting iron from iron ore using a Blast Furnace ... Coke is produced by heating coal in the absence of air. Coke is cheap and .... The limestone is added to convert this into slag which melts and runs to the bottom. The heat ...

The Blast Furnace in the extraction of iron from haematite from ...

sciencepark.etacude.com

Iron extraction using displacement reaction. ... blast furnace. The raw materials ( haematite, coke and limestone) are fed into the top of the furnace. ... This slag floats on top of the molten iron and is tapped off, cooled and used for making roads.

Limestone for Blast Furnace Applications - Carmeuse Lime & Stone

www.carmeusena.com

Limestone will react with the temperature in the blast furnace as it continues down the furnace to react with sulfur from the iron and produce a slag with the silica ...