Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Get acid dew point of flue gas

Journal Article · · Hydrocarbon Process.; (United States)
OSTI ID:6450139
To improve the thermal efficiency of combustion equipment it is necessary to cool the flue gas to a low outlet temperature, to recover as much heat as possible. But the temperature must not be so low that sulfur from the fuel will condense as sulfuric acid-giving a very corrosive flue gas. Therefore, a graph is presented to help estimate sulfuric acid dew point based on the fuel's composition and the amount of excess air used during combustion. Sulfuric acid's vapor-liquid equilibrium has been investigated by several researchers. Correlations have been proposed to predict the acid dew point as a function of partial pressures for sulfur trioxide and water. This article will tie these correlations back to the original combustion conditions.
Research Organization:
Badger B.V., The Hague
OSTI ID:
6450139
Journal Information:
Hydrocarbon Process.; (United States), Journal Name: Hydrocarbon Process.; (United States) Vol. 66:7; ISSN HYPRA
Country of Publication:
United States
Language:
English