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Alkanolamines for Hvdrogen Strlfide and Carbon Dioxide Removal 95
Figure 2-59. Vapor pressure of TEA solutions as a function of temperature and
concentration. (Dow, 7981)
CO, in DEA solutions for T = 80 to 260, PCO, = 12.6 to 162.6 psia, and M = 2.0 to 5.0
molar DFA (Helton et al., 1987):
H (Btdlb COZ) = -0.6389 T -621.4
(range of H -675 to -8 10 Bhdlb C02) (2-17)