High-Pressure Vapor-Liquid Equilibrium Measurements for the Ternary System Carbon Dioxide + Ethanol + n-Decane At 313, 343 and 373 K

Monday, October 17, 2011
Exhibit Hall B (Minneapolis Convention Center)
Carmen Sánchez-García, Lab Termodinámica (SEPI), INSTITUTO POLITECNICO NACIONAL-ESIQIE, Mexico, D.F., Mexico, Luis A. Galicia-Luna, INSTITUTO POLITECNICO NACIONAL-ESIQIE, Mexico, Mexico and Octavio Elizalde-Solis, Departamento de Ingeniería Química Petrolera, INSTITUTO POLITECNICO NACIONAL-ESIQIE, México, D. F., Mexico

Knowledge about phase equilibrium behavior of multicomponent mixtures containing hydrocarbons, carbon dioxide, nitrogen, sulfur compounds and other compounds at high pressure is important in the enhanced oil recovery. This information is essential for testing and developing models which could predict this behavior instead of experimental data.

The aim of this work is to present the experimental measurements for the vapor-liquid equilibria of the ternary system carbon dioxide + ethanol + n-decane at 313, 343 and 373 K.

Experiments were carried out using a static-analytic apparatus. It contains a ROLSI sampler-injector to take samples on-line for avoiding the perturbation of the equilibrium conditions.


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