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Influence of CO2 loading on mass transfer coefficient

https://doi.org/10.1039/C7RA01352C

“An increase of CO2 loading in amine solutions leads to a decrease in the existing active amine concentration, which consequently decreases KGCO2aV.33,71,74,76,77 This is obvious when the amount of CO2 loading in the lean amine solution is high, the mass transfer driving force from the gas phase to the liquid phase will decrease and, in these cases, increasing the liquid flow rate to compensate the low absorption rate is not an effective method. The optimum way for decreasing the CO2 loading in amine solutions is heating the amine solution to increase KGCO2aV.”

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