Effect of the Vapor-Liquid Distribution Ratio On Amine Use in Boiler Water
By Nicholas Martyak, Ph.D.
This article studies the vapor-liquid (V-L) distribution ratio of common neutralzing amines from 0 to 30 barg, and the results show wide variation in the V-L properties. Cyclohexylamine and dimethyamino-2-propanol exhibit the highest V-L values, whereas morpholine and monoethanolamine have the lowest V-L. The variation on the V-L is now shown to be a function of the heat of solvation (sol) (Hsol) of the amines, with those amines having the smaller Hsol exhibiting the largest V-L.
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