VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa

CIESC Journal

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VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa

程华哲¹; JohnA.Zollweg²; William B.Streett²

¹ Beijing Research Institute of Chemical Industry, Beijing, 100013;

²School of Chemical Engineering Cornell University Ithaca, NY14853, U.S.A.

收稿日期:1991-08-05 修回日期:1991-11-10 出版日期:1992-12-28 发布日期:1992-12-28
通讯作者: 程华哲

VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa

CHENG Huazhe¹; JohnA.Zollweg²; William B.Streett²

¹ Beijing Research Institute of Chemical Industry, Beijing, 100013;

² School of Chemical Engineering Cornell University Ithaca, NY14853, U.S.A.

Received:1991-08-05 Revised:1991-11-10 Online:1992-12-28 Published:1992-12-28
Contact: CHENG Huazhe

摘要/Abstract

摘要： Equilibrium pressures and compositions for the binary mixture carbon dioxide-iso-pentane were measured on nine isotherms from 253K to the iso-pentane critical temperature. On each isotherm, the entire pressure range of phase coexistence was covered. The mixture critical line has been located and is shown to be contiuous in Pressure-Temperature-Composition (P-T-X) space between the critical points of the pure components. Comparisons are made between the experimental results obtained by Besserer-Robinson and this work with predictions of the Soave-Redlich Kwong, Peng-Robinson, Kubic-Martin, and Adachi-Lu-Sugle cubic equations of state. None was able to correlate the data within our estimated experimental error.

关键词: iso-pentane;carbon dioxide;phase equilibrium

Abstract: Equilibrium pressures and compositions for the binary mixture carbon dioxide-iso-pentane were measured on nine isotherms from 253K to the iso-pentane critical temperature. On each isotherm, the entire pressure range of phase coexistence was covered. The mixture critical line has been located and is shown to be contiuous in Pressure-Temperature-Composition (P-T-X) space between the critical points of the pure components. Comparisons are made between the experimental results obtained by Besserer-Robinson and this work with predictions of the Soave-Redlich Kwong, Peng-Robinson, Kubic-Martin, and Adachi-Lu-Sugle cubic equations of state. None was able to correlate the data within our estimated experimental error.

Key words: iso-pentane, carbon dioxide, phase equilibrium

程华哲, JohnA.Zollweg, William B.Streett. VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa[J]. CIESC Journal.

CHENG Huazhe, JohnA.Zollweg, William B.Streett. VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa[J]. .

VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa

VAPOR-LIQUID EQUILIBRIUM IN THE SYSTEM CARBON DIOXIDE/ISO-PENTANE FROM 253 TO 443 K AT PRESSURES UP TO 10 MPa

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