Correlation estimates FCC unit sulfuric acid emissions

02/09/2004
A new correlation estimates the amount of sulfuric acid emissions in FCC flue-gas streams based on the amount of SO2 formed in the unit. The correlation focuses on the SO2 to SO3 conversion expected in FCC units.FCC units are a potential source of H2SO4 emissions, but few published sources contain a reliable estimate of these emissions.Based on the need to better understand all sources of H2SO4, we analyzed data collected from various field tests to estimate SO2 and SO3 conversions. We compared SO2 and SO3 measurements and developed a correlation for predicting the conversion as a function of sulfur dioxide. This article also presents data on scrubber control efficiency for H2SO4.One can ...
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