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Effect of rheological properties on chemical absorption of carbon dioxide with MEA  

Park, Sang-Wook (Division of Chemical Engineering, Pusan National University)
Kim, Tae-Young (Division of Chemical Engineering, Pusan National University)
Park, 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.16, no.1, 2004 , pp. 35-45 More about this Journal
Abstract
Rates of chemical absorption of $CO_2$ in water-in-oil (w/o) emulsion were measured in a flat-stirred vessel at $25^{\circ}C$. The w/o emulsion was composed of aqueous monoethanolamine (MEA) droplets as a dispersed phase and non-Newtonian viscoelastic benzene solutions of polybutene (PB) and polyisobutylene (PIB) as a continuous phase. The liquid-side-mass transfer coefficient ($k_L$) was obtained from the dimensionless empirical equation containing Deborah number expressed as the properties of pseudoplasticity of the non-Newtonian liquid. $k_L$ was used to estimate the enhancement factor due to chemical reaction between $CO_2$ and MEA in the aqueous phase. PIB with elastic property of non-Newtonian liquid made the rate of chemical absorption of $CO_2$ accelerate compared with Newtonian liquid.
Keywords
chemical absorption; carbon dioxide; emulsion; MEA; non-Newtonian liquid;
Citations & Related Records

Times Cited By Web Of Science : 7  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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