EXPERIMENTAL INVESTIGATION OF CO2 CHEMICAL ABSORPTION IN A RANDOMLY PACKED COLUMN

Nowadays, separation of acid gases, in particular carbon dioxide (CO2) from flue gas of the fossil fuel-fired power plants is of great importance owing to decrease global warming and its aversive environmental effects. Chemical absorption into reactive solvents is generally considered as an effective and most mature separation technology for this purpose. In this paper, CO2 chemical absorption into aqueous solutions of sodium hydroxide (NaOH) has been experimentally investigated in a lab-scale randomly packed bed column. The effect of operating conditions on the amount of absorption flux has been studied. The results show that by increasing the concentration and also flow rate of the solvent, absorption flux has increased. However, increase in the solvent temperature has decreased the absorption flux.

کلیدواژه ها:

CO2 ، Chemical absorption ، packed column ، absorption flux