Page 90 - Gas Purification 5E
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80 Gas Purification
-. .
0 0.2 0.4 0.6 0.8 1 .o 1.2 1.4
MOL ACID GAS/MOL DlPA
Figure 2-41, Equilibrium solubility of H2S and COP in 2.5 M diisopropanolamine
solution. Data of /sacs et a/. (7977A)
more important in recent years, both as a selective absorbent for H2S in the presence of COz
and for the bulk removal of acid gases. As a result, current literature on MDEA is much
more extensive than that on TEA. Sources of VLE data for COP and H2S in MDEA solutions
are listed in Table 2-9.
