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http://dx.doi.org/10.9713/kcer.2017.55.2.230

Solubility of Carbon Dioxide in Poly(ethylene glycol) Dimethyl Ether  

Lee, Eun-Ju (Department of Advanced Materials and Chemical Engineering, Hannam University)
Yoo, Jung-Deok (Department of Advanced Materials and Chemical Engineering, Hannam University)
Lee, Byung-Chul (Department of Advanced Materials and Chemical Engineering, Hannam University)
Publication Information
Korean Chemical Engineering Research / v.55, no.2, 2017 , pp. 230-236 More about this Journal
Abstract
Solubility data of carbon dioxide ($CO_2$) in poly(ethylene glycol) dimethyl ether (PEGDME) are presented at pressures up to about 50 bar and at temperatures between 303 K and 343 K. The solubilities of $CO_2$ were determined by measuring the bubble point pressures of the $CO_2+PEGDME$ mixtures with various compositions using a high-pressure equilibrium apparatus equipped with a variable-volume view cell. To observe the effect of the PEGDME molecular weight on the $CO_2$ solubility, the $CO_2$ solubilities in PEGDME with two kinds of molecular weight were compared. As the equilibrium pressure increased, the $CO_2$ solubility in PEGDME increased. On the other hand, the $CO_2$ solubility decreased with increasing temperature. When compared at the same temperature and pressure, the PEGDME with a higher molecular weight gave smaller $CO_2$ solubility on a mass fraction and molality basis, but gave greater $CO_2$ solubilities on a mole fraction basis.
Keywords
Poly(ethylene glycol) Dimethyl Ether; Carbon Dioxide; Solubility; Natural Gas; Sweetening;
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Times Cited By KSCI : 2  (Citation Analysis)
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