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Air Pollution By: JW174327 Option E. What is an Air pollutant? What are the Sources of Air pollution? What are the effects of Air pollution? What are.

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Presentation on theme: "Air Pollution By: JW174327 Option E. What is an Air pollutant? What are the Sources of Air pollution? What are the effects of Air pollution? What are."— Presentation transcript:

1 Air Pollution By: JW Option E

2 What is an Air pollutant? What are the Sources of Air pollution? What are the effects of Air pollution? What are the methods of reduction?

3 Air Pollutant A Substance present in sufficient concentration in the air to produce harmful effects on humans, animals, vegetation, or materials. Primary Added directly to air from a given source Ex. CO 2 from burning fossil fuels Secondary Formed in the atmosphere through chemical reactions Ex. Smog

4 5 Major Air Pollutants Carbon Monoxide CO Nitrogen Oxides NO x Sulfur Oxides SO x Particulates Hydrocarbons

5 Carbon Monoxide Colorless Tasteless Odorless Toxic Formed by incomplete Combustion of Carbon Automobiles, buses, trucks, small engines, industrial processes

6 Health Effects from CO Reduces the ability of blood to deliver oxygen to vital tissues, affecting primarily the cardiovascular and nervous systems Lower concentrations- Affect individuals with heart disease and to decrease maximal exercise performance in young, healthy men Higher concentrations- cause symptoms such as dizziness, headaches, and fatigue Carbon Monoxide

7 Sources 90% comes natural Oxidation of methane gas 10% Man-made Incomplete Combustion of fossil fuels Forest fires Gasoline Industries Carbon Monoxide 2CH 4 + 3O 2  2CO + 4H 2 O

8 Methods of Control Thermal Exhaust Reactor Catalytic Converter Carbon Monoxide

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11 The End.


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