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Numerical simulation of CO2 absorption by AMP solution in structured packing with different parameter condition

The FLUENT software is utilized in this research to simulate the carbon dioxide absorption process by 2-amino-2-methyl-1-propyl alcohol through numerical simulation. A mathematical model is established to represent the mass transfer process between the 2-amino-2-methyl-1-propyl alcohol solution and carbon dioxide. Various operating parameters, such as the molar fraction of the solution, gas mass fraction, pressure, and gas flow velocity, are investigated to calculate the absorption efficiency of carbon dioxide under different conditions. The distribution of the product reveals that the 2-amino-2-methyl-1-propyl alcohol carbamate product more readily infiltrates the surface of the unit model when the gas phase velocity is relatively low. In contrast, the product 2-amino-2-methyl-1-propyl alcohol carbamate tends to accumulate in the upper half of the unit model when the gas phase velocity is relatively high. Sixteen simulation conditions are summarized to determine the optimal parameters. These optimal parameters include a 2-amino-2-methyl-1-propyl alcohol molar fraction of 0.4, atmospheric pressure, a flue gas flow velocity of 0.0737 m/s, and a carbon dioxide mass fraction of 0.12. This research serves as a valuable reference for engineering applications related to carbon dioxide absorption using 2-amino-2-methyl-1-propyl alcohol solutions, providing essential technical support in the fight against climate change.
PAPER REVISED: 2024-01-07
PAPER ACCEPTED: 2024-01-15
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