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Study on Removal Efficiency of Monoethanlamine(MEA)for the Absorption of CO_2 in a Packed Clonmn

Yu Li

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Abstract

To simulate industrial application of the removal of carbon dioxide with amine solution,a study of carbon dioxide absorption in monoethanolamine solution has been carried out in a packed absorber filled with spring type glass packing.Effects of experimental variables on CO2 removal efficiency along the column were considered,including concentration of MEA solution,liquid flow rate and gas flow rate.Experiments results show that increase of the MEA concentration has positive effect on CO2 removal efficiency,different combinations of liquid and gas flow rate have important effect on CO2 removal efficiency,and the essence of this phenomenon may be attributed to the effects of molar ratio of reactants.CO2 removal efficiency can nearly reach 90% when the molar ratio of reactants is over 4.

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What this paper is about

To simulate industrial application of the removal of carbon dioxide with amine solution,a study of carbon dioxide absorption in monoethanolamine solution has been carried out in a packed absorber filled with spring type glass packing.Effects of experimental variables on CO2 removal efficiency along the column were considered,including concentration of MEA solution,liquid flow rate and gas flow rate.Experiments results show that increase of the MEA concentration has positive effect on CO2 removal efficiency,different combinations of liquid and gas flow rate have important effect on CO2 removal efficiency,and the essence of this phenomenon may be attributed to the effects of molar ratio of reactants.CO2 removal efficiency can nearly reach 90% when the molar ratio of reactants is over 4.

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Available abstract

To simulate industrial application of the removal of carbon dioxide with amine solution,a study of carbon dioxide absorption in monoethanolamine solution has been carried out in a packed absorber filled with spring type glass packing.Effects of experimental variables on CO2 removal efficiency along the column were considered,including concentration of MEA solution,liquid flow rate and gas flow rate.Experiments results show that increase of the MEA concentration has positive effect on CO2 removal efficiency,different combinations of liquid and gas flow rate have important effect on CO2 removal efficiency,and the essence of this phenomenon may be attributed to the effects of molar ratio of reactants.CO2 removal efficiency can nearly reach 90% when the molar ratio of reactants is over 4.

Key concepts: Carbon dioxide, Packed bed, Molar ratio, Volumetric flow rate, Absorption (acoustics), Amine gas treating, Absorption efficiency, Liquid flow

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Study on Removal Efficiency of Monoethanlamine(MEA)for the Absorption of CO_2 in a Packed Clonmn — Research Paper | ScholarLens