Sairi, Nor Asrina and Yusoff, Rozita and Alias, Yatimah and Aroua, Mohamed Kheireddine (2011) Solubilities of CO2 in aqueous N-methyldiethanolamine and guanidinium trifluoromethanesulfonate ionic liquid systems at elevated pressures. Fluid Phase Equilibria, 300 (1-2). pp. 89-94. ISSN 0378-3812, DOI https://doi.org/10.1016/j.fluid.2010.10.011.
Full text not available from this repository.Abstract
In this work, the solubility of CO2 in aqueous blended systems of N-methyldiethanolamine (MDEA) and guanidinium trifluoromethanesulfonate ([gua]+[OTf]−) have been carried out. The solubilities were measured at temperature 303.2 K, 323.2 K and 333.2 K, over CO2 partial pressure ranging from 500 to 3000 kPa. All data were reported as loading capacity (mol CO2/total mol) as a function of partial pressure of CO2 at the corresponding temperature. It has been found that the aqueous [gua]+[OTf]− ionic liquid gave significantly higher solubility, up to 1.63 mol CO2/total mol, as compared to other pure ionic liquids such as [bmim]+[BF4]−, [emim]+[OTf]− and [emim]+[C2N3]− which recorded at 323.2 K and 3000 kPa. However, the addition of [gua]+[OTf]− ionic liquid to aqueous MDEA gave a slight decreased on solubility. Correlations of solubility as a function of partial pressure and temperature were obtained with deviation of ±0.957%.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Additional Information: | Cited By (since 1996): 8 Export Date: 2 January 2013 Source: Scopus CODEN: FPEQD Language of Original Document: English Correspondence Address: Sairi, N.A.; Chemistry Department, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: asrinasairi@um.edu.my |
| Uncontrolled Keywords: | Alkanolamine, Amine-functionalized ionic liquid, CO2 solubility, Guanidinium, Alkanolamines, Blended systems, Elevated pressure, Liquid system, Loading capacities, N-methyldiethanolamine, Pressure and temperature, Ions, Organic compounds, Partial pressure, Solubility, Ionic liquids |
| Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
| Divisions: | Faculty of Engineering Faculty of Science > Department of Chemistry |
| Depositing User: | Mr Jenal S |
| Date Deposited: | 18 Apr 2013 00:28 |
| Last Modified: | 18 Nov 2019 03:15 |
| URI: | http://eprints.um.edu.my/id/eprint/5771 |
Actions (login required)
 |
View Item |
