Blast Furnace Reactions

Slides:

Advertisements

Similar presentations

Metals in Industry, working with metals. Iron and Steel In previous work we considered the role of the blast furnace in extracting iron from its ore.

Advertisements

Angstrom Care 1www.AngstromCare.com Angstrom Care Metals in Industry.

Extraction of metals Only some unreactive metals such as silver, gold and platinum can occur freely in nature. Most metals react with other elements to.

Extracting iron from its ore Chemical reduction with carbon

Metals. Metallurgy the extraction of metals from ores  by reduction (less reactive metals)  by electrolysis of melt (reactive metals) the preparation.

EXTRACTING METALS FROM THEIR ORES

CHEMICALS IN ACTION Thermal Decomposition Reactions.

Dr. S. M. Condren Chapter 21 Chemistry of the Metals.

Done by: Goh Cheng Yen G10 Amber

A guide for National 5 students KNOCKHARDY PUBLISHING

Properties of metals Chemical properties Form oxides when they react with oxygen Metal oxides are bases Form positive ions Transition metals have a variable.

By Chan, Sam and Elly. What is a Blast Furnace? The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called "hot metal".

Extracting Metals Prior Learning; a) Understand what happens to carbonates when they are heated b) Know that an ore contain a metal mixed with rock c)

By Chan, Sam and Elly. What is a Blast Furnace? The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called "hot metal".

E XTRACTION OF METALS. P RINCIPLES OF M ETAL EXTRACTION Most elements do not occur as separate substances but exist naturally as compounds. Metals tend.

Making Metals Name ______________________.

Occurrence and Distribution of Metals

Chemsheets AS006 (Electron arrangement)

Write down the Reactivity Series from Potassium to Gold.

The Extraction Of Metals

Percentage Yield.

Smelting. Chemistry in history The Stone, Bronze, and Iron Ages are historical periods named after the most common material that was used for making tools.

Test Review Chemical Reactions and Stoichiometry.

C1a Rocks and Metals 2.2 Extracting Iron. Learning objectives Understand which metals can be extracted using carbon Understand which metals can be extracted.

Metals. Learning Objectives Order metals in order of reactivity Relate extraction method to reactivity Write word/symbol equations for reduction of metal.

L I M E S T O N E Using the letters from the word ‘limestone’, write one key word associated with limestone for each letter For instance; L = Light grey.

Chemistry in Industry and Technology Option C. The Blast Furnace.

Iron and Iron Smelting (Metallurgy). Iron, the Element Fe (from Latin ferrum) Stable transition metal; Period 4 The iron atom has a nucleus surrounded.

Iron from the blast furnace contains elements such as carbon, phosphorus and sulphur that make it brittle. These are removed in the BOS process.

Chapter 21 Chemistry of the Metals Mr. WatsonHST.

Chemicals and the Earth Lesson 3: Extraction of Metals.

Do now! Can you fill in the observations of the “Rusting” experiment?

Do now! Can you stick the summary and word sheets in?

Lesson 35 What are oxidation and reduction?. Oxidation and reduction are opposite kinds of chemical reactions. Oxidation takes place when oxygen combines.

STOICHIOMETRY Calculations Based on Chemical Equations.

Who Wants To Be A Millionaire?

What is a Blast Furnace? The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called "hot metal". The.

STEEL MANUFACTURING.

Limestone and its uses.

A guide for A level students KNOCKHARDY PUBLISHING

Practice  For the following reactions, write:  the word equation  the skeleton equation (unbalanced chemical equation)  the balanced equation 1. Potassium.

Synthesis (Combination) Reactions 1 or more substances combine to form a more complex one. General Formula A + B  AB 3 common types i. 2 elements combine.

IGCSE CHEMISTRY SECTION 5 LESSON 1. Content The iGCSE Chemistry course Section 1 Principles of Chemistry Section 2 Chemistry of the Elements Section 3.

Percentage Yield.

Extraction of Iron. As we have already discussed, carbon can be used to extract any metal found below it in the reactivity series. Potassium Sodium Magnesium.

Metallurgy By Vicky Mayall. Introduction Introduction The majority of the elements on the periodic table are metals. There are numerous applications of.

What is a Blast Furnace? The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called "hot metal".

GCSE 1.2 – Limestone Cycle Limestone Cycle!!!.

 Metal Ores Noadswood Science, Metal Ores  To know how metal ores are reduced Saturday, October 01, 2016.

Some metals react with;

Coke in the blast furnace

Dr. Mohammed Abdulrazzaq Materials Department College of Engineering

CHEMICAL WEATHERING.

Redox reactions ?.

Core Chemistry Revision Questions

Chapter 20 Metals Dr. S. M. Condren.

Calculations Based on Chemical Equations

Chemical Weathering.

Extracting Iron.

Calculations Based on Chemical Equations

The Blast Furnace.

The Blast Furnace By Chan, Sam and Elly.

Mole ratios Mole to mole conversions

The Blast Furnace.

Extraction of metals.

The Blast Furnace.

Presentation transcript:

Blast Furnace Reactions Carbon oxidised by hot air: Carbon(s) + oxygen(g)  carbon dioxide(g) C(s) + O2(g)  CO2(g) Carbon oxidised by carbon dioxide: Carbon(s) + carbon dioxide(g)  carbon monoxide(g) C(s) + CO2(g)  2CO(g) Carbon monoxide reduces iron (III) oxide: Carbon monoxide(g) + iron (III) oxide(s)  iron(l) + carbon dioxide(g) 3CO(g) + Fe2O3(s)  2Fe(l) + 3CO2(g)

Exercise 7: The Conditions in the Blast Furnace 1. What is the role of coke in the blast furnace? 2. What is the role of limestone in the blast furnace? 3. Which ore of iron is commonly used in the blast furnace? 4. Why is it called a blast furnace? 5. What do we call the layer of impurities that forms at the base of the blast furnace above the liquid iron? It acts as a reducing agent Limestone helps to remove acidic impurities Haematite Because hot air is ‘blasted into the furnace’ Slag

Exercise 8: Direct Reduction 1. Which compound does haematite mainly consist of? 2. What is the chemical formula of this compound? 3. A small amount of this compound is directly reduced by the coke, what does reduced mean in this instance? 4. Write a word equation for this reaction. 5. Write a chemical equation for the word equation above. Iron (III) oxide Fe2O3 The oxygen is removed from the compound Carbon(s) + iron (III) oxide(s)  iron(l) + carbon dioxide(g) 2Fe2O3(s) + 3C(s)  4Fe(l) + 3CO2(g)

Exercise 9: Limestone 1. Limestone is added to the blast furnace to remove acidic impurities. What is the name and chemical formula of the compound that limestone mainly consists of? 2. In the blast furnace this compound undergoes thermal decomposition. Write a word equation for this reaction. 3. What is the chemical equation for this reaction? 4. Calcium oxide reacts with the impurity silicon dioxide. Write the chemical equation for this chemical reaction. Calcium carbonate - CaCO3 Calcium carbonate(s)  calcium oxide(s) + carbon dioxide(g) CaCO3(s)  CaO(s) + CO2(g) CaO(s) + SiO2(s)  CaSiO3(l)