Journal of Ecological Engineering· 2013
LABORATORY TESTS ON THE EFFICIENCY OF CARBON DIOXIDE CAPTURE FROM GASES IN NaOH SOLUTIONS
- 27citations
- 2013year
Short summary
Laboratory experiments demonstrate that a 50% sodium hydroxide (NaOH) solution can capture 85% of carbon dioxide (CO2) from a gas stream under standard conditions.
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Key points
- A 50% NaOH solution captured 85% of CO2 from a gas stream (140 l/min flow, 15% CO2).
- Increasing the temperature of the NaOH solution enhances CO2 capture efficiency.
- A 1 mol/l sodium carbonate solution captured only 4-5% of CO2.
- The reaction products of CO2 in the sorption solutions were identified.
AI-generated from the title and abstract; the full text is not read.
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.
The authors' abstract, as published at the source. Journal of Ecological Engineering, 2013 · DOI ↗
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