5.9.3.1 Atmospheric Pollutants from Fuels Flashcards
1
Q
What is a major source of atmospheric pollutants?
A
- combustion of fuels
2
Q
What do most fuels (including coal) contain?
A
- carbon and/or hydrogen
- some sulfur
3
Q
What gases can be released into the atmosphere when a fuel burns?
A
- carbon dioxide
- water (vapour)
- carbon monoxide
- oxides of nitrogen
4
Q
What other products are made when a fuel is burned?
A
- solid particles
- unburned hydrocarbons
5
Q
What can solid particles and unburned hydrocarbons form?
A
- particulates in the atmosphere
6
Q
What happens when there isn’t enough oxygen when burning fuels?
A
- some of the fuel doesn’t burn - this is incomplete combustion
7
Q
What are the products of incomplete combustion of fuels?
A
- solid particles of soot (carbon)
- carbon monoxide
- unburnt fuel
8
Q
What does the combustion of hydrocarbons release?
A
- energy
9
Q
What happens during combustion of fuels?
A
- carbon and hydrogen in the fuels are oxidised to form carbon dioxide and water
