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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...

iron and steel - Chemguide

www.chemguide.co.uk/inorganic/extraction/iron.html

This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the ... Coke is produced by heating coal in the absence of air. ... The limestone is added to convert this into slag which melts and runs to the bottom.

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 ...

BBC Bitesize - GCSE Chemistry - Iron and aluminium - Revision 4

www.bbc.co.uk/education/guides/zfsk7ty/revision/4

Learn about the methods of extracting iron and aluminium with BBC Bitesize GCSE Chemistry. ... Iron is extracted from iron ore in a huge container called a blast furnace. ... calcium carbonate → calcium oxide + carbon dioxide ... reacts with silica (sand) impurities in the haematite, to produce slag - which is calcium silicate.

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

Iron is produced (extracted) in a blast furnace by reducing iron oxides with carbon and it ... ore, coke and limestone is continuously fed into the top of the blast furnace. .... (3) Calcium carbonate (a base) is then added to remove the acidic oxide ...

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.

EXTRACTION OF IRON- EXTRACTION OF IRON FROM HAEMATITE

www.citycollegiate.com/extraction_iron.htm

INTRODUCTION. Iron is extracted from its oxide, ore called HAEMATITE (Fe2O3) . ... The process of reduction is carried out in a blast furnace. ... Limestone. Details of ... in road making, cement manufacturing a light weight building materials.

Limestone and dolomite flux and their use in iron and steel plant ...

ispatguru.com/limestone-and-dolomite-flux-and-their-use-in-iron-and-steel-plant/

May 8, 2013 ... Both limestone and dolomite are extensively used in an iron and steel ... But for steel making limestone should have very low silica (SiO2) and ...

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 ...

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The Extraction of Iron - Chemistry LibreTexts

chem.libretexts.org

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 ...

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 ...

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

www.gcsescience.com

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  ...