Phase equilibrium model and partial molar volume calculation for dimethylformamide and CO2 binary mixture at high pressure

Phase equilibrium model and partial molar volume calculation for dimethylformamide and CO2 binary mixture at high pressure

A constant-volume visual cell was used to measure vapor-liquid phase equilibrium data of dimethylformamide in supercritical carbon dioxide from 323.2K to 353.2K. The phase equilibrium solubility was predicted by Peng-Robinson equation of state together with Vander Waals-2 mixing regulation. Partial...

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Hauptverfasser: Liu Kecun, Zheng Lan, Wang Yuqi, Hou Leilei, Ma Yafeng
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Carbon
Chemicals
dimethylformamide
Educational institutions
partial molar volume Introduction
phase equilibrium model
supercritical carbon dioxide
Valves
Visualization
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creator Liu Kecun
Zheng Lan
Wang Yuqi
Hou Leilei
Ma Yafeng
description A constant-volume visual cell was used to measure vapor-liquid phase equilibrium data of dimethylformamide in supercritical carbon dioxide from 323.2K to 353.2K. The phase equilibrium solubility was predicted by Peng-Robinson equation of state together with Vander Waals-2 mixing regulation. Partial molar volumes of vapor phase and liquid phase at equation state were evaluated from proposed model. The correlation between calculated values and the experimental data showed good agreement.
doi_str_mv 10.1109/ICMREE.2011.5930613
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subjects Carbon
Chemicals
dimethylformamide
Educational institutions
partial molar volume Introduction
phase equilibrium model
supercritical carbon dioxide
Valves
Visualization
title Phase equilibrium model and partial molar volume calculation for dimethylformamide and CO2 binary mixture at high pressure
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