Industrial flue gas trapping carbon dioxide has become a critical environmental issue. The warming atmosphere caused by higher rates of GHG greenhouse gases poses a serious danger. The importance of this work in eliminating or reducing carbon dioxide emissions is underlined. In this work, an absorption technology was used actually to investigation the mass transfer coefficient of carbon dioxide from a gaseous mixture (air, carbon dioxide) in blended solution Monoethanolamine (MEA), Diethanolamine (DEA) and Triethanolamine (TEA) in a packed column reactor (PCR). The packed column was made of Plexiglas with 75 cm high and 10 cm inside diameter. The overall mass transfer coefficient (K Ga ) was evaluated at different operating conditions, gas flow rate, air Flow rate ,liquid flow rate .Where the gas flow rates were 5, 10 and 15 L /min , air flow rate 80,90 and 100 L/h , liquid flow rate 400 ,450,500 mL /min. The experimental work was conducted by using semicontinuous process with helping centrifugal pump. High-performance gas chromatographic (GC) was performed to evaluate CO 2 loading during absorption experiment. The experimental results showed that loading CO 2 in the range of 0.461-9.541 (mole CO 2 /mole amine), and the maximum value of overall mass transfer coefficient (K Ga ) was 0.0354 . It results in an increase in the CO 2 concentration consumed from the air and we are therefore trying to reduce the CO 2 concentration in the atmosphere.
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