PDF file - Facultatea de Chimie şi Inginerie Chimică

MODELING AND SIMULATION OF CARBON DIOXIDE ABSORPTION IN MONOETHANOLAMINE …
Figure 4. CO2 concentration (in liquid phase) profile along the column height
In Figure 3 an increasing in the concentration of MEA in liquid phase
respectively a decrease of CO2 in gas and liquid phase against column height
is observed. Because the rate of reaction is directly proportional to carbon
dioxide concentration in the liquid phase and the concentration of MEA, the
rate of reaction increases versus the column height. Figure 2 shows the
decreasing of the CO2 concentration in the gas phase due to the chemical
absorption [12, 13].
The temperature profile along the column is presented in Figure 5
(chemical absorption of carbon dioxide is an exothermic process).
Figure 5. Temperature profile along the column height
43