reducing air pollution Flashcards
1
Q
how does flue gas desulfurisation work?
A
calcium carbonate or calcium oxide is added to sulfur dioxide to form calcium sulfids. it then reacts with oxygen to produce calcium sulfate
2
Q
what harmful pollutants can be converted to less harmful substances in a catalytic converter?
A
carbon monoxide, nitrogen oxide, nitrogen dioxide, and unburnt hydrocarbons
3
Q
what is the reaction to convert carbon monoxide in a catalytic converter?
A
2CO + O2 > 2CO2
4
Q
what is the reaction to convert nitrogen oxide and carbon monoxide in a catalytic converter?
A
2NO + 2CO > N2 + 2CO2
5
Q
what is the reaction to convert unburnt hydrocarbons in a catalytic converter?
A
hydrocarbons + oxygen > carbon dioxide + water
