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Effect of PEO viscoelasticity on carbon dioxide absorption in aqueous PEO solution of AMP  

Park Sang-Wook (Division of Chemical Engineering, Pusan National University)
Choi Byoung-Sik (Division of Chemical Engineering, Pusan National University)
Lee Jae-Wook (Department of Chemical Engineering, Sogang University)
Publication Information
Korea-Australia Rheology Journal / v.17, no.4, 2005 , pp. 199-205 More about this Journal
Abstract
Carbon dioxide was absorbed into aqueous polyethylene oxide (PEO) solution containing AMP in a flat-stirred vessel to investigate the effect of non-Newtonian rheological behavior of PEO on the rate of chemical absorption of $CO_2$, where the reaction between $CO_2$ and AMP was assumed to be a first-order reaction with respect to the molar concentration of $CO_2$ and AMP respectively. The liquid-side mass transfer coefficient, which was obtained from the dimensionless empirical equation containing the properties of viscoelasticity of the non-Newtonian liquid, was used to estimate the enhancement factor due to chemical reaction. PEO with elastic property of non-Newtonian liquid made the rate of chemical absorption of $CO_2$ accelerate compared with Newtonian liquid based on the same viscosity of the solution.
Keywords
chemical absorption; carbon dioxide; PEO; AMP; non-Newtonian liquid;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 7  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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