extraction of iron from blast furnace slag

Blast Furnace Introduction Definition Construction

May 21 2020 0183 32 In a blast furnace while the process of extracting the iron has occurred at that time we also get slag or impuriti To remove this we use two types of method One is using of a high-pressure water jet which blends with the slag or impurities then we send the mixture to the granulation plan secondly if it is unable to granulate in the...

What are the advantages and disadvantages of blast furnace

I will be precise with my answer Advantages 1 Blast Furnace produces Iron and Steel at the cheapest cost 2 It is a continuous Iron Making Process therefore it can be easily automated 3 Power Generation can be done Disadvantages 1 The S...

GCSE CHEMISTRY

Extraction of Metals Extraction of Iron Chemistry of the blast furnace Limestone is calcium carbonate CaCO 3 and it is added to the blast furnace to remove the impurities in the iron ore Calcium carbonate is decomposed by heat in the furnace to give calcium oxide and carbon dioxide This is called thermal decomposition see examples of other carbonates...

Analysis of Slag Flow in Blast Furnace during the

Analysis of Slag Flow in Blast Furnace during the Extraction of Iron 1Mayurkumar S Suthar 2 Prof IJPatel 3Pravin Zinzala 1ME Student 2Professor 3Assistant Professor 1 PG Student in Mechanical Engineering Department LJIET Ahmadabad India _____ Abstract - The project aim set measurement of flow characteristics of blast furnace...

PDF EXTRACTION OF IRON Fahad Zafar

Reactions in blast furnace Flux Gangue SlagCaO SiO 2 CaSiO 3 CaO Al 2 O 3 Ca AlO 2 2The liquid iron runs downward to the bottom of the furnace and is withdrawn through tap holeSlag formation Lime stone on heating decomposes to CaO and CO 2Fe 2 O 3 3C 2Fe 3CO Fe 3 O 4 4CO 3Fe 4CO 2 CO 2 C 2CO Overall reaction Fe 2 O 3 3CO...

Occurrence and extraction of iron

- The slag floats on the surface of the liquid iron produced - Each layer can be tapped off separately Details of the extraction process i The blast furnace Is a tall somewhat conical furnace usually made of silica and lined on the inside with firebrick Details of the extraction process Raw materials - Iron ore ie haematite - Coke C...

The Blast Furnace S

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...

EXTRACTION OF IRON IN A BLAST FURNACE reduction

EXTRACTION OF IRON IN A BLAST FURNACE Iron is also below carbon in the reactivity series so therefore carbon can be used to reduce it note reduction can also mean to remove the oxygen from a compound This is done in a blast furnace The most common ore of iron is called haematite iron iii oxide Its formula is Fe 2 O 3...

PDF Effect of alkali on different iron making processes

Alkali metals are removed with slag with the off gas and rest circulates in the furnace Other than the blast furnace Alkali have their negative effect on the other processes of an integrated...

Extraction of Iron Class 12 General Principles and

May 15 2020 0183 32 This prevent the loss of iron due to the formation of ferrous silicate slag during smelting iii The entire mass becomes porous which helps in the reduction process at a later stage 3 Smelting The calcined ore is reduced with carbon ie smelted in the blast furnaceIt is a tall cylindrical furnace made of steel lined with fire...

Recovery of Titanium from Blast Furnace Slag Industrial

Titanium is one of the most valuable elements found in blast furnace slag with a concentration of approximate 27 Because of the low level of titanium in slag the best method of extraction is hydrometallurgy In this study parameters such as slag particle size temperature concentration of acid solid-to-liquid ratio and ultrasonic wave time were used to determine the recovery of...

CBSE NCERT Notes Class 12 Chemistry Isolation of Elements

The slag is in molten state and separates out from iron The iron obtained from Blast furnace contains about 4 carbon and some other impuriti This iron is known as pig iron Cast iron is different from pig iron and is made by melting pig iron with scrap iron and coke using hot air blast It has slightly lower carbon content about 3 and...

Blast Furnace Slag

Blast furnace slag is a calcium-silicate-based product removed from the top of molten iron during its extraction from ore in a blast furnace Usually it is rapidly cooled to a glassy state and ground for use in construction materials Provis et al 2015...

Method of extraction and energy change

Due to the fact iron is not a reactive metal it can be extracted using an carbon in a blast furnace This is because iron is less reactive than carbon The iron is then displaced from the oxide by high temperatures and this is known as a displacement reaction Reduction of the ore A blast furnace is used for extracting iron...

gcse 2 Blast furnace extraction of iron recycling steel

2a Extraction of Iron in a blast furnace Sadly now shut down Raw Materials Iron Ore eg haematite ore iron III oxide the source of iron Fe 2 O 3 or magnetite ore Fe 3 O 4 coke carbon C both fuel and reducing agent hot air for the oxygen in it to burn the coke O 2 limestone calcium carbonate to remove certain impurities like silica...

The slag formed in the extraction of iron from haematite

Limestone added in blast furnace decomposes to give C a O which forms slag in molten state and separates out from iron Reason The iron obtained from the blast furnace contains about 4 carbon and many impurities like S P S i M n e t c...

Iron Extraction and Purification / Steel ChemKey

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 They react to form compounds such as calcium silicate or calcium phosphate which form a slag on top of the iron Types of Iron and Steel Cast iron has already been...

EXTRACTION OF IRON

CaO now reacts the impurities of ore called GANGUE to form slag Slag is the mixture of CaSiO 3 and Ca AlO 2 2 The slag floats over the top of molten iron Slag is a useful byproduct It is used in road making cement manufacturing a light weight building materials...

CHEMISTRY The extraction of Iron and its impact on the

Sep 04 2012 0183 32 At the base of the furnace slag floats on top of the molten iron It is then cooled and used for making roads The following figure depicts the inside of a blast furnace and how iron is extracted from haematite Figure 5...

Iron Extraction by Blast Furnace Metallurgy

Define Iron Extraction by Blast Furnace Metallurgy Iron when extracted from iron ore such as haematite containing iron III oxide Fe 2 O 3 in a blast furnace is called iron extraction blast furnace metallurgyIn this reduction reaction oxygen is removed from the iron III oxide to leave behind iron...

What are the Advantages and Disadvantages of Blast Furnace

Blast furnace ironmaking is inseparable from the coke source but the coke resources are getting less and less but the price is getting higher and higher the cost of iron making will be higher and higher and it is likely that one day will meet the depletion of coke resourc 2 The blast furnace ironmaking damages the environment very much 3...

Extraction of Iron Metallurgy Blast Furnace and Reactions

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...

extraction of iron

Finally the direct reduction of iron ore takes place completely to iron by carbon above 1073K e Zone of fusion This is the lower part of the furnace The temperature here is between 1423-1673KIn this region spongy iron with impurities and CaSiO 3 slag melts Both molten iron and molten slag...

Blast Furnace Slag Cement

The process of extraction of iron is blast furnace The slag that is obtained on the iron ore is separated and cooled down slowly which results in the formation of nonreactive crystalline material The constituents of the GGBFS are as shown in the table below Table 1 Constituents of the Ground Granulated Blast Furnace Slag...

Extracting iron

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 order to leave the iron behind...

Blast furnace

Blast furnaces operate on the principle of chemical reduction whereby carbon monoxide having a stronger affinity for the oxygen in iron ore than iron does reduces the iron to its elemental form Blast furnaces differ from bloomeries and reverberatory furnaces in that in a blast furnace flue gas is in direct contact with the ore and iron allowing carbon monoxide to diffuse into the ore and...

A novel recycling approach for efficient extraction of

Feb 01 2021 0183 32 The recycling of high-titanium-bearing blast furnace slag TiO 2 >23 wt is an urgent problem that has attracted global research attention To achieve high-efficiency low-consumption clean and high value-added recycling utilization a new process is proposed herein which entails reacting a CH 4-H 2-N 2 gas mixture with the titanium-bearing blast furnace slag to initially produce Ti C N...

Blast Furnace Slag Cement Application Pros Cons

The procedure of removal of iron is the blast furnace The slag that is gained on the iron ore is then detached and cooled down gradually which results in the creation of nonreactive crystalline substantial Fig 1 Extraction of molten Slag from Blast Furnace...

Use of Blast Furnace Slag Aggregate in Concrete

Photograph No 1 shows Blast furnace slag is glassy black in colour Its characteristics depend on the nature of iron ore used in the extraction of iron which significantly differs from place to place For the experimental work blast furnace slag was procured from Ghatge Patil Industry The material was crushed and sieved...

Recovery of scandium and neodymium from blast furnace slag

Among the commodity metals iron and steel are by far the most widely used materials with annual production near 19 billion metric tons 3 The main byproduct of ironmaking is iron slag so-called blast furnace BF slag which is generated when iron ore is mixed with flux limestone and/or dolomite and coke for fuel and heated under reducing...

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