Step 2a the blast furnace the sinter is added through a hopper at the top of the blast furnace. The graph shows the solubilities of three solids at different temperatures. 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. Chemistry specification b 3421h higher tier wednesday 14 june 2006 9. The best way to remember the information in this chapter is to get a pen and paper and write down your answers before clicking on the answer link which will take you to the correct page you may have to read through some of the page before you find the answer. A blast furnace is a large structure in which iron ore is heated under pressure so that. Free 4 abrazil c123 ocr 21st century revision activities. Blast furnaces produce pig iron from iron ore by the reducing action of carbon supplied as coke at a high temperature in the presence of a fluxing agent such as limestone. Extracting iron iron ores are reduced by coke carbon in a blast furnace.
In this gcse chemistry revision video, hazel asks you quick fire questions on the topic of the blast furnace, including the process of extracting iron and the chemical equations you need to learn. Extraction of iron metallurgy blast furnace and reactions. 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. Blast furnace revision including blast furnace story board. Firstly, the carbon in the blast furnace burns with the hot air to form carbon dioxide.
The iron ore concentrate is now mixed and ready for the pelletizing process. A blast furnace is a gigantic, steel stack lined with refractory brick where the concentrated iron ore, coke, and limestone are dumped from the top, and a blast of hot air is blown into the bottom. The principle of blast furnace operational technology and. Gcse chemistry question paper unit 1a chemistry products. If the answer you have written is not right, change it to the. The formation of iron and steel the blast furnace 2. Iron is extracted from iron ore ironiii oxide in a blast furnace by heating with coke carbon. All the three ingredients are crushed into small round pieces and mixed and put on a hopper which controls the input. Cross through any work you do not want to be marked. Blast furnace is a furnace for smelting of iron from iron oxide ores hematite, fe 2 o 3 or magnetite, fe 3 o 4.
Larger blast furnace, use of better prepared burden, recovery of waste energy, and maximum recovery of slag characterize the iron making technology proposed for vsp. This can be used in conjunction with the blast furnace story board. Extracting iron iron and aluminium gcse chemistry single. Ironmaking blast furnaces consist of several zones.
Question 9 blast furnace revision science gcse and a. 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 91 chemistry science courses. Blasts furnaces are used for smelting during the production of metals such as iron, lead, zinc, and copper. The oxygen must be removed from the ironiii oxide in order to leave the iron behind. The following questions are about the blast furnace and the production of iron. Gcse science a chemistry foundation tier unit chemistry c1 thursday 19 may 2016 morning time allowed.
A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals. Catalyst is a science magazine for students aged 1419 years. Chemistry notes form 3 chemistry form three pdf online. Cast iron from a blast furnace contains 96% iron and 4% carbon. Aqa gcse chemistry 8462 edexcel gcse chemistry 1ch0 ocr gateway chemistry j248. Step 2 the blast furnace the outer case is a water cooled steel casing that provides the main support for the 30 m high furnace. Edexcel international gcse 2009 chemistry 4ch0 and kch0. Gcse science a chemistry higher tier unit chemistry c1. In this gcse chemistry revision video, hazel teaches you about iron manufacturing in a blast furnace, including key balanced equations, raw materials used and removal of acidic impurities. Chemistry single science chemistry is the study of the composition, behaviour and properties of matter, and of the elements of the earth and its atmosphere.
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. Blast furnace practice 91 gcse and igcse chemistry. A powerpoint which goes through the stages of the blast furnace, including the equations to go with the stages. Blast furnace revision including blast furnace story board activity. Download and read form 3 chemistry notes form 3 chemistry notes form three chemistry notes pdf. The blast furnace is around 30 metres high and lined with fireproof bricks. Aluminium wires steel core aluminium is used because it is a good conductor of electricity and. 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. Iron ores are reduced by coke carbon in a blast furnace. The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. Gcse chemistry question and answers 2015 gcse and a. Gcse science a chemistry higher tier unit chemistry c1 thursday 19 may 2016 morning time allowed. Start studying bisv igcse chemistry topic 14 the blast furnace.
How a blast furnace works introduction the purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called hot metal. Blast furnace definition and meaning collins english. The simulation published by kent chemistry, demonstrates a voltaic cell znznso4 and cu cuso4. General certificate of secondary education june 2006. An aqueous solution containing this maximum mass can be described as a saturated solution. E and campus and college exam papers and kcse revision materials. The unique properties of carbon alkanes alkenes hydrocarbon structure and isomerism chemical. Click on a part of the picture below for further information. 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. Create a set of true or false statements and ask a friend to answer them. Edexcel international gcse 91 chemistry student book sample. Pearson edexcel level 1level 2 gcse 9 1 in chemistry 1ch0. This reaction produces a lot of heat, and is the main source of heat in the furnace. Gcse chemistry for you 5th edition free support resources for chemistry for you 5th edition.
Complete the exam questions end of topic questions in the aqa book or in your revision guide. Cambridge igcse chemistry coursebook fourth edition by. Pelletizing a pellet plant contains a series of balling drums where the iron ore concentrate is formed into soft pellets, in much the same manner that one rolls a snowball, to make a pellet about the size of a marble between 14 and 12. Gcse chemistry revision questions extraction of metals. Blast furnaces operate on the principle of chemical reduction whereby carbon monoxide, having a stronger.
A catalyst article about chemical reactions that occur in a blast furnace during the steelmaking process. Santanu chakraborty, in treatise on process metallurgy. Iron ores such as haematite contain ironiii oxide, fe 2o 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Three substances are needed to enable to extraction of iron from its ore. 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.
Iron is manufactured by reducing iron ore in a blast furnace. The stages for the production of steel from cast iron are. Coke, limestone and iron ore are poured in the top, which would normally burn only on the surface. Gcse chemistry extraction of iron picture of the blast. This short article features a diagram of a blast furnace showing the active ingredients used to produce iron from ore. The hot air blast to the furnace burns the coke and maintains the very high temperatures that are needed to reduce the ore to iron. This is called thermal decomposition and it also produces carbon dioxide. Blast furnace quick fire questions gcse science revision. Iron ores such as haematite contain ironiii oxide, fe 2 o 3. Edexcel international gcse chemistry student book pages 5556 and 100. The blast furnace the extraction of iron carbon coke and oxygen from the hot air produce carbon monoxide and gives off heat. Pearson edexcel certificate pearson edexcel international.
The largest blast furnace in india at that time was of 2000 m 3. Chemistry in a blast furnace a great many reactions, of different types, go on inside a blast furnace. Links revision quizzes revision questions the periodic table index metal quiz. Not for resale, circulation or distribution in whole or in part. At the bo ttom of the furnace, the temperature is very high. Use blue or black ink or ballpoint pen fill in the boxes at the top of this page answer all questions answer the questions in the spaces provided do all rough work in this book. Compared to this, elsewhere furnaces up to 5070 m 3 had. The common ores of iron are both iron oxides, and these can be reduced to iron by heating. Free support resources for chemistry for you 5th edition.
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