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Source
Incomplete combustion of hydrocarbons.
Effect
If inhaled, then there is reduced carriage of oxygen by haemoglobin
What can low concentrations of carbon monoxide do?
They can increase the health problems caused by chronic heart disease.
Controls
• Catalytic converters.
• Improved combustion efficiency.
Catalytic Converters
They oxidise carbon monoxide to carbon dioxide.
Carbon dioxide is also a pollutant, and the increase in carbon dioxide emissions caused by oxidising the carbon monoxide is very small compared with other emissions of carbon dioxide.
Improved Combustion Efficiency
More carbon is reacted to form carbon dioxide rather than carbon monoxide