Blast furnace - Wikipedia

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with ...

What is the purpose of limestone in a blast furnace? - Quora

Nov 14, 2017· limestone is used to remove impurities in the furnace and the main impurity of the blast furnace is silica (sand and rock) which is silicon dioxide. silicon dioxide is a solid at furnace temperatures so it reacts with calcium oxide from the decomp...

Extraction Of Iron From Its Oxides - YouTube

Feb 05, 2014· Extraction of iron from its oxides:In a Blast furnace Oxide ores of iron, after concentration through calcination/roasting are mixed with limestone and coke are fed from its top.Hot air is blown ...

Extracting iron -

Iron is extracted from iron ore. in a huge container called a blast furnace. Iron ores such as haematite contain iron(III) oxide, Fe 2 O 3. The oxygen must be removed from the iron(III) oxide in ...

GCSE CHEMISTRY - Extraction of Iron - Picture of the Blast ...

Extraction of Metals. Extraction of Iron - The Blast Furnace. Click on a part of the picture below for further information. Links Revision Quizzes Revision Questions The Periodic Table Index Metal Quiz Home GCSE Chemistry GCSE Physics

The Blast Furnace | S-cool, the revision website

The method. Three substances are needed to enable to extraction of iron from its ore. The combined mixture is called the charge:. Iron ore, haematite - often contains sand with iron oxide, Fe 2 O 3.. Limestone (calcium carbonate).. Coke - mainly carbon.. The charge is placed a giant chimney called a blast furnace. The blast furnace is around 30 metres high and lined with fireproof bricks.

50.8 EXTRACTION OF IRON | Chemistry Assignment

Iron works are located close to coal fields so that plentiful of coal is available at cheap rate. Coal is used as reducing agent and as fuel. Pig iron is converted into cast iron by heating molten pig iron with scrap iron and coke in specially designed furnaces. A blast of hot air is blown through the mixture. Cast iron contains about 3% carbon.

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

These revision notes on the extraction of iron in a blast furnace and the process of steel making and other alloys should prove useful for the new AQA, Edexcel and OCR GCSE (9–1) chemistry science courses. Metal extraction index. 1. Introduction to Metal Extraction. 2. Extraction of Iron and Steel Making (this page) 3.


Extraction of iron is based on the reduction of HAEMATITE (Fe 2 O 3) with carbon.. ... The blast furnace is a cylindrical tower like structure about 25m to 35m high. It has an outer shell of steel. Inside of furnace is lined with fire bricks. ...

chemistry stuff : Extraction of Iron (Fe) from its haematite

Sep 13, 2013· Extraction of Iron (Fe) from its haematite Iron is extracted by heating the iron ore with carbon in the blast furnace. Three substances are needed to enable the extraction of iron from its ore. The combined mixture is called the charge:-Haematite, iron …

The Extraction of Iron - Chemistry LibreTexts

Extracting iron from iron ore using a Blast Furnace. 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. Coke is produced by heating coal in the absence of air. Coke is cheap and provides both the reducing agent for the reaction and also the heat source.

C10.3 – Extraction of Metals – IGCSE AID

Describe the essential reactions in the extraction of iron in the blast furnace. An ore is a rock from which metals can be extracted. The main ore of iron is hematite, which contains large amounts of iron(III)oxide. It is reduced by carbon to for iron, but this takes place in a huge blast furnace.

Iron Extraction Process - Dillinger

Iron Extraction Process. In the blast furnace process, the first step on the way towards heavy plate, pig iron is produced from iron ore. The composition of the ore and additions is accurately adjusted to the final products of AG der Dillinger Hüttenwerke and Saarstahl AG.

Iron processing |

Iron processing: Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with …

IRON AND STEEL - chemguide

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 ...

Iron Ore Smelting Process - Brighthub Engineering

Iron Ore Smelting Process Using Modern Blast Furnaces. Although the basic ingredients of an iron ore blast furnace has changed little over the last hundred years or so, the furnaces themselves have been modernized to improve efficiency and the purity of the iron and steel.

Extracting Iron from Iron Ore in a Blast Furnace Essay ...

Many things are produced in the extracting or iron from iron ore in a blast furnace. We will write a custom essay on Extracting Iron from Iron Ore in a Blast Furnace specifically for …

Extraction of Iron (Blast Furnace) - YouTube

Nov 25, 2012· Extraction of Iron (Blast Furnace) Extraction of Iron (Blast Furnace) Skip navigation Sign in. Search. ... Extraction of iron - Duration: 4:04. Freesciencelessons 103,977 views.

Extraction of iron: The blast furnace - Free ZIMSEC ...

ZIMSEC O Level Combined Science Notes: Extraction of iron: The blast furnace. After iron ore is mined it is send to the blast furnace; Iron is extracted from its ore in a blast furnace . The structure of a blast furnace. Image credit

The extraction of Iron in a blast furnace Flashcards | Quizlet

Start studying The extraction of Iron in a blast furnace. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Extraction Of Iron - SlideShare

May 22, 2009· The Step by Step Process of Extracting Iron from its Ore using the Blast Furnace with details of Chemical Reactions. Question Answers based on the process of extraction of metals.

Blast-furnace. Operation of blast furnace. - Metallurgy.

Blast furnace operation-Blast furnace Produces pig iron from iron ore and sinter. The iron oxide of ore and sinter is reduced to iron with the help of carbon monoxide(Co) which is produced inside the furnace by the action of hot air at about 1000. oC with coke.

Extraction of metals/Iron - Wikiversity

Iron is extracted from its ore, haematite, by reduction with carbon. This takes place in a blast furnace (named after blasts of air [20% oxygen], heated to 1000 °C, which are blasted into the bottom of the furnace): A mixture of crushed iron ore, coke (an almost pure form of carbon) and limestone is fed into the top of the blast furnace.

Describe the extraction of Iron from its Hematite ore in ...

EXTRACTION OF IRON: The most important raw materials or ores from which iron metal extracted are oxide ores i.e. hematite (Fe2O3) or limonite (Fe2O3. 3H2O). The first stage involved in the manufacture of iron is the reduction of oxide ores in a blast furnace as given in fig. This involves the crushing of the oxide ore to produce lumps.

Blast Furnace - ScienceAid

Blasts furnaces are used for smelting during the production of metals such as iron, lead, zinc, and copper. A blast furnace works by blasting hot air up through the furnace while fuels, limestone, and ore move continuously through the top of the furnace. The method used in blast furnaces have been used since the 1500's.

3 - Extracting Iron - IGCSE Chemistry - Google

3 - Extracting Iron. Contents. 1 Syllabus: 2 What does this mean? ... 5.1 explain how the methods of extraction of the metals in this section are related to their positions in the ... the main reactions involved in the extraction of iron from iron ore (Haematite), using coke, limestone and air in a blast furnace.

Metals - Revision 4 - KS3 Chemistry - BBC Bitesize

Extracting iron from iron oxide. Iron is less reactive than carbon, so it can be extracted from iron oxide using carbon. This is done on an industrial scale in a huge container called a blast furnace.

Extraction of Iron (examples, answers, activities ...

Extraction of iron Very unreactive metals are found directly in the ground as elements, eg. gold. ... Iron from the blast furnace is an alloy of about 96 per cent iron with carbon and some other impurities. It is hard, but too brittle for most uses. So, most iron from the blast furnace is converted into steel by removing some of the carbon.