Page 75 - Gas Purification 5E

Alkanolaniines for Hydrogen Sulfide and Carbon Dio-Tide Removal 65

IO 000-
6000 -
3000 -
1000 -

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
Mole ratio in liquid, COe /MEA

Figure 2-15. Solubility of CO, in 2.5 N MEA solution. + , MuhlhuerandMonaghan
(1957) (25OC); , Murzin and Leites (1971) (SOOC); 7, Jones et a/. (195s) (120°C); A,
Reed and Wood (1941) (120°C); and smoothed curves, Lee et a/. (1976C). Chart from
Lee et a/. (397%')

1 o2

h
ar
5
v 10'
0"
a"
1 oo

lo-'

lo-*

1 o-~
10-3 10-2 10-1 100
a (mol CO,/mol MEA)
cos
Figure 2-16. Solubility of GO2 in 30 wt?! MEA solution (Jou et a/., 1995A). Reprinted
with permission from the Canadian Journal of Chemical Engineering, Copyright 19%
Canadian Society for Chemical Ehgineering