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New correlation predicts flue gas sulfuric acid dewpoints

09/21/2009
By Bahman ZareNezhad
A new correlation accurately predicts the flue-gas sulfuric-acid dewpoints to mitigate corrosion problems in process equipments and heat-recovery systems.Acidic combustion gases can cause rapid corrosion when they condense on pollution control or energy-recovery equipment. This accurate and reliable correlation predicts sulfuric-acid dewpoints over wide ranges of sulfur trioxide and water vapor concentrations.The correlation outperforms other available correlations both in accuracy and generality. The predicted flue-gas sulfuric-acid dewpoints are in excellent agreement with experimental data with the root mean square deviation of 0.73.Flue-gas SOxSulfur compounds such as H2S, methyl merc...
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