Pollutatants from fuels

What do we need for complete combustion

Plenty of oxygen

What is carbon dioxide

A greenhouse gas. When humans burn fuels and release carbon dioxide it contributes to climate change

What happens to combustion products if the amount of oxygen is reduced

Carbon monoxide is formed rather than carbon dioxide

What is carbon monoxide

A toxic gas with no colour or smell

What do many people have in their homes for carbon monoxide

Carbon monoxide detectors

What are 2 other potnetial products of combustion

Sulfid dioxide

Nitrogen oxide

How is sulfur dioxide gas produced

From combustion of fuels containing sulphur ( for example coal)

Pollution issue of sulfur dioxide

Causes acid rain

How to reduce sulfur dioxide

Flue-gas desulfirisation

What is bad about acid rain

The acid damages lakes and trees and kills wildlife. It also corroded metal and limestone buildings

How is nitrogen oxide formed

From the reaction of nitrogen and oxygen in car engines from the air combine to form nitrogen oxide

Problems of nitrogen oxides

Trigger asthma attacks

Contribute to acid rain

How are carbon particulates formed

Diesel engines burn heavier fuels, and this can lead to some being in burnt. The particulates produced are tiny solid particles containing carbon and unburnt hydrocarbons

What’s bad about carbon particulates

Damage people’s lungs and cause cancer

Cause a haze in the atmosphere, blocking out the suns light and causing global dimming