LABORATORY TESTS ON THE EFFICIENCY OF CARBON DIOXIDE CAPTURE FROM GASES IN NaOH SOLUTIONS
 
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Institute of Heat Engineering and Fluid Mechanics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
Publish date: 2013-04-15
 
J. Ecol. Eng. 2013; 14(2):54–62
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ABSTRACT
The lab-scale experiments were carried out in order to determine the effectiveness of CO2 capture from gases in the sodium hydroxide solutions under approximately standard conditions. The flow rate of the carrier gas was 140 l/min, and the CO2 content was 15%.The absorber was Dreschel washer with NaOH solution. The efficiency of CO2 capture of 85% was obtained for 50% of NaOH. It was proved that the increase of temperature in NaOH solution improves CO2 capture efficiency. The efficiency of capturing CO2 in 1 mol/l sodium carbonate was defined as 4–5%. The products of CO2 reactions in sorption solutions were marked.