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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


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.

The Extraction of Iron - Chemwiki


Nov 29, 2015 ... Extracting iron from iron ore using a Blast Furnace. The Blast ... Steel-making: the basic oxygen process; Types of iron and steel; Some .... The limestone is added to convert this into slag which melts and runs to the bottom.

BBC - GCSE Bitesize: Making iron


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


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 ...


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.

The chemistry of steelmaking. Blast furnace. - School Science


Making iron How does the blast furnace work? The Blast Furnace is ... The furnace temperature is also high enough to decompose limestone into calcium oxide ...

Blast furnace - IB Chemistry Web


Each of the raw materials is necessary for the production - click to see its purpose . The blast furnace. The iron ore, coke and limestone ("charge") is fed into the blast furnace from the top. ... To do this limestone is added to the charge.

The Blast Furnace | S-cool, the revision website


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 ...

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 ...
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How a Blast Furnace Works - American Iron and Steel Institute


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 ...

Limestone for Blast Furnace Applications - Carmeuse Lime & Stone


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 ...


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  ...