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The ore is loaded into a blast furnace along with measured quantities of coke and limestone Hot combustion air is supplied to the furnace and some form of fuel used to raise the temperature The iron is reduced from the ore by carbon in the coke the limestone aiding slag separation from the molten iron The slag and molten iron are tapped off from the bottom of the furnace the slag being
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Jul 21 2024· Iron ores are reduced by coke carbon in a blast furnace The process is summarised in the diagram below Hottest part of the furnace At the bottom of the furnace adjacent to the hot air blast entry points the temperature reaches around 1800ºC and represents the hottest part of the furnace
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The blast furnace is cylindrical steel vessel limed 6m in diameter On passing Pre heated compressed air inside the furnace four distinct zones are formed Zone of reduction combustion This zone lie at the bottom of the blast furnace where carbon burns in presence of pre heated air forming CO2 and heat C O2 → Co2 heat Here the temp is
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In this research ammonium chloride was used to calcine Ti extraction blast furnace slag EBFS with the aim of removing iron from it The influences of calcination temperature ammonium chloride
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Extraction of iron what is put in Step 1 Step 2 haematite iron III oxide limestone coke all added to blast furnace hot air pumped in 16 terms LottieBarrett Extraction of iron hot air limestone coke iron ore source of oxygen reacts with impurities and removes them List the four raw materials needed What is the hot air for
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Heme Iron deficiency anemia Definition Iron deficiency anemia refers to anemia that is caused by lower than normal levels of iron This type of anemia is… Abraham Darby Abraham Darby 1677 1717 developed the coke burning blast furnace that made it possible to produce commercial grade iron cost effectively His work… Henry Cort The English ironmaster Henry Cort 1740 1800 made possible
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The blast furnace Iron is extracted from iron ore in a huge container called a blast furnace Iron ores such as haematite contain iron III oxide Fe2O3 The oxygen must be removed from the
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Collection of Cast iron Metal is cast into ingots or in the ladle for further refining like steel making Wrought Iron Minimum % of carbon is % and other impurities like S P Mn Si less than % Manufacturing Process Cast iron is taken in pudding furnace and melted by hot blast of air The chemical reactions which occur are
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The Iron ore is crushed and broken into smaller pieces concentrated with gravity separation process washed with water Step 2 The raw materials are added into the top of the furnace Iron ore Haematite Fe2O3 Coke Carbon C Limestone CaCO3 Step 3 It is heated by blowing hot air at the base of the blast furnace Step 4
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The blast furnace is a counter current gas/solids reactor in which the descending column of burden materials [coke iron ore and fluxes/additives] reacts with the ascending hot gases The process is continuous with raw materials being regularly charged to the top of the furnace and molten iron and slag being tapped from the bottom of the furnace at regular intervals
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Extraction of iron in the blast furnace This excellent animation shows the working of a blast furnace from the 1700s The use of a historical furnace allows students to better understand the workings of the blast furnace the simple structure allows parts to be more easily identified than when looking at modern day furnaces
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The ironmaking blast furnace BF is a very energy intensive metallurgical process and the prime route for steel production from which about 70% of the world s steel consumption is produced Geerdes et al 2024 The BF system receives coke and ore solid raw material along with hot blast air and continuously produces hot metal as the main
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The correct option is C c and d The explanation for correct option C c and d In the extraction of iron Iron oxide FeO does not react with silica SiO 2 hence option c is incorrect for the process As represented in option d Iron oxide FeO does not disassociate to form iron and oxygen in the process of extraction of iron Explanation for incorrect options
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Form 4 Chemistry Online Lessons on Extraction of Iron In this lesson we are going to discuss the environmental effects of extracting iron from blast furnace i Carbon IV oxide gas given out causes/ increases global warming if allowed to escape/leak from the furnace ii Carbon II oxide gas is a highly
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The molten iron from the bottom of the furnace can be used as cast iron Cast iron is very runny when it is molten and doesn t shrink much when it solidifies It is therefore ideal for making castings hence its name However it is very impure containing about 4% by weight of carbon This carbon makes it very hard but also very brittle
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Extraction of Rare and High Valued Metals from Blast Furnace Dust January 2024 DOI /978 3 030 36758 9 29 In book Rare Metal Technology 2024 315 Authors Xiong Xiao Shengfu
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Hint Extraction is one of the main processes in metallurgy in which impurities are removed from an ore to extract pure is a cleansing agent which helps in removing the impurities present in the metal Complete step by step answer When iron is extracted from the haematite ore $left {F{e 2}{O 3}} right $ then this process is known as iron extraction blast furnace metallurgy
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The cast iron is usually extracted from its oxide ore haematite This process involves the following steps 1 Concentration The ore is crushed in jaw crushers and is broken to small pieces of about 1 inch in size The crushed ore is concentrated by gravity separation process in which it is washed with water to remove clay sand etc
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Q Among the following the main reactions occurring in blast furnace during extraction of iron from haematite are 1 F e 2 O 3 3 CO → 2 F e 3 C O 2 2 F e O S i O 2 → F e S i O 3 3 F e 2 O 3 3 C → 2 F e 3 C O 2 4 C a O S i O 2 → C a S i O 3
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Follow 1 I Blast furnace is a counter current heat and mass exchanger in which reduction and smelting of metallic mineral takes place 2 Chemistry • Elements lying at top of reactivity series are more reactive than elements lying below them in series Thermodynamics • From Ellingum diagram A metal/element that forms stabler oxide
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Start studying 14 — Extraction of Fe from Iron Blast Furnace Q A Learn vocabulary terms and more with flashcards games and other study tools
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About % or % of earth s crust is Iron Mainly Fe is extracted from oxide ore Commercially Fe is extracted from Haematite by three steps Condensation Roasting Smelting Reduction of Iron III oxide Fe 2 O 3 in the Blast Furnace is the main step of Fe extraction It is a cylindrical steel made furnace
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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 Extracting iron from iron ore using a Blast Furnace Introduction The common ores of iron are both iron oxides and these can be reduced to iron by heating them with
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A large amount of dust is formed as one of the primary by products during the blast furnace ironmaking process Besides iron and carbon it contains a variety of valuable metals such as zinc lead and indium widely applied in many industry fields However it is difficult to recycle and reutilize blast furnace dust BFD due to complex composition fine particle size and strong hydrophobic
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Iron is extracted from its ore in a Blast Furnace Hematite coke limestone and hot air are added to the furnace Which explanation is not correct A Coke burns and produces a high temperature B Hematite is the ore containing the iron as iron oxide C Hot air provides the oxygen for the burning D Limestone reduces the iron oxide to iron
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Major impurity elements in iron ore that can affect the quality of iron produced in a blast furnace and the efficiency of blast furnace ironmaking are silicon aluminum phosphorus and sulfur Silicon and aluminum often occur in iron ores as quartz aluminum silicate clay minerals or gibbsite
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Pig iron The molten iron from the bottom of the blast furnace is pig iron It contains % carbon and varying amount of contamination such as sulfur silicon and phosphorus Pig iron is the intermediate step on the way to cast iron and steel Cast Iron Some time pig iron from the blast furnace can be used as cast iron It is
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In part d majority of the candidates could not write chemical equations to explain how iron is extracted in the blast furnace using iron ore coke and lime stone as raw materials The expected answers include a i filling of weather balloons manufacture of plastics manufacture of ammonia by the Haber process manufacture of methanol
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The extraction of iron from its ore is a long and subdued process that helps in separating the useful components from the waste materials such as slag What happens in the Blast Furnace The purpose of a Blast Furnace is to reduce the concentrated ore chemically to its liquid metal state 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
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