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...
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.
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 ...
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
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 ...
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 ...
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.
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.
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 ...
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 ...