Browsing by Author "Tezcan Un, Umran"

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Citation - Scopus: 30
Effect of Temperature and Gas Flow Rate on CO2 Capture
(Modestum, 2022) Gul, Ayse; Tezcan Un, Umran
In this study, the removal of carbon dioxide (CO2) that has a huge contribution to global warming from gas emissions was performed using absorption method. Effect of operational parameters such as temperature and gas flow rate on the absorption capacity (g CO2/kg solvent and mol CO2/mol MEA) was investigated in a bubble column reactor with a semi-batch operation. The monoethanolamine (MEA) was used as a solvent and absorption capacity was determined at different gas flow rates (2.5 and 5 L/min) and temperatures (25-35-45oC). Because of the study, absorption capacities of 74.71 g CO2 / kg MEA and 0.51 mol CO2/mol MEA were obtained at 5 L / min gas flow rate, 25oC and 20% solvent concentration. The absorption capacity increases as the temperature decreases and as the flow rate increases. Because of the study, it can be concluded that the capture of CO2 into the MEA solution at bubble column can be successfully achieved with high absorption capacity. © 2025 Elsevier B.V., All rights reserved.