Solubility of diamines in supercritical carbon dioxide - Experimental determination and correlation

被引：84

作者：

Khimeche, Kamel

Alessi, Paolo

Kikic, Ireneo

Dahmani, Abdallah ^{[1
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, Fac Chim, Lab Thermodynam & Modelisat Mol, Bab Ezzouar 16111, Alger, Algeria

[2] Ecole Mil Polytech, Algiers, Algeria

[3] Univ Trieste, Dept Chem Environm & Raw Mat Engn, I-34127 Trieste, Italy

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2007年 / 41卷 / 01期

关键词：

aromatics diamines; alkanediamines; solubility; supercritical carbon dioxide; Peng-Robinson equation of state; density-based correlations;

D O I：

10.1016/j.supflu.2006.09.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work, the dynamic method is used for solubility measurements in supercritical carbon dioxide (Sc-CO2) of some aromatic diamines (1,5-naphthalediamine, and 4,4'-diaminodiphenylmethane) and alkanediamines (1,10-decanediamine and 1,12-dodecanediamine), at pressures from I 10 to 200 bar and temperatures from 313.15 to 333.15 K. Solubility in SC-CO2 cannot be reported for alkanediamines, since they interact with CO2. The experimental data for aromatic diamines were well correlated by Peng-Robinson equation of state (PR-EOS), and density-based models (Chrastil and Mendez-Santiago-Teja models). The partial molar volumes of the aromatic diamines in the supercritical fluid (SCF) phase were also estimated, according to the theory developed by Kumar and Johnston. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：10 / 19

页数：10

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