An uncommon type of high-pressure four-phase equilibria in the system carbon dioxide plus water plus 1-hexanol

被引：0
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作者：
Beier, A
Kuranov, G
Stephan, K
Hasse, H [1 ]
机构：
[1] Univ Stuttgart, Inst Thermodynam & Thermal Proc Engn, D-70550 Stuttgart, Germany
[2] St Petersburg State Univ, Dept Chem, St Petersburg 198054, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY | 2003年 / 77卷
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D O I：
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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 mixtures of carbon dioxide + water + 1-hexanol, an uncommon type of four-phase equilibria was observed experimentally. This type of four-phase equilibria was theoretically postulated more than 100 years ago by J.W. Gibbs but has never been proven to exist until now. The uncommon feature of this type of four-phase equilibria is that in the Gibbs phase diagram the fourth phase lies within the triangle formed by the other three phases. That phase behavior is also predicted by the Redlich-Kwong-Soave equation of state with Huron-Vidal mixing rules.
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页码：S58 / S61
页数：4
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