New high-pressures vapor-liquid equilibrium data for the carbon dioxide + 2-methyl-2-propanol binary system

• Authors: Sergiu Sima , Catinca Secuianu , Viorel Feroiu , Dan Geană
• Languages of publication: EN

Abstracts

EN

New vapor-liquid equilibria (VLE) data at 323.15, 333.15, 343.15, and 353.15 K and pressures up to 112.9 bar are reported for the carbon dioxide + 2-methyl-2-propanol system. The experimental method used in this work was a static analytical method with liquid and vapor phases sampling using a rapid online sampler injector (ROLSI™) coupled to a gas chromatograph (GC) for analysis. Measured VLE data and literature data for carbon dioxide + 2-methyl-2-propanol system were modeled with the Soave-Redlich-Kwong (SRK) cubic equation of state with classical van der Waals (two-parameter conventional mixing rule, 2PCMR) mixing rules. A single set of interaction parameters that lead to a correct phase behavior was used in this work to model the new VLE data and critical points of the mixtures in a wide range of temperature and pressure. The SRK prediction results were compared to the new data measured in this study and to available literature data.

Keywords

EN

Carbon dioxide; 2-Methyl-2-Propanol (tert-butanol); SRK; High-pressures; EoS

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2014
• Volume: 12
• Issue: 9
• Pages: 893-900

Dates

published

1 - 9 - 2014

online

1 - 5 - 2014

Contributors

author

Sergiu Sima

• University Politehnica of Bucharest, S1

author

Catinca Secuianu

author

Viorel Feroiu

• University Politehnica of Bucharest, S1

author

Dan Geană

• University Politehnica of Bucharest, S1

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Identifiers

DOI

10.2478/s11532-013-0392-3