Module 7: Combustion and Environment
Lecture 37: Major Sources of CO Emission
Quantification of Emission
Emission levels are reported in several different ways while dealing with different devices.
Gas turbine combustors
: ppm by volume at 15% O
2
Furnace:
ppm at 3% O
2
Automobiles:
g/km
Boiler:
g/kW
Species emission and its corrected value
Generally combustion system is characterized in terms of level of emissions.
Confusion prevails due to the change in sampling condition
Degree of dilution
Dry or wet condition
If the moisture is removed from the exhaust sample then it will yield dry concentration.
In some situations, it may not be possible to remove moistures, then it is known as wet concentration.
