A new look to the old solvent: Mass transfer performance and mechanism of CO2 absorption into pure monoethanolamine in a spray column

Emine Kayahan,Ulderico Di Caprio,Annelot Van den Bogaert,Mohammed N. Khan,Metin Bulut,Leen Braeken,Tom Van Gerven,M. Enis Leblebici

Chemical Engineering and Processing - Process Intensification（2023）

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摘要

•Very high KGɑ values (11.7 kmol·m−³∙kPa−1∙h−1) were obtained.•Absorption efficiency was determined by the stoichiometric ratio of CO2 to MEA.•Droplet sizes of MEA was predicted to be between 70 and 100 µm.•Mechanism of CO2 absorption into MEA changed at high MEA concentrations.•Using high MEA concentrations decrease reboiler heat duty significantly.

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关键词

CO2 capture, Ethanolamine, Ultrasonic nozzle, Mass transfer, Absorption efficiency

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