PVTx measurements of the N-methylpyrrolidone/methanol mixed solvent:: Cubic and SAFT EOS analyses

被引：17

作者：

Aparicio, S ^{[1
]}

García, B ^{[1
]}

Alcalde, R ^{[1
]}

Dávila, MJ ^{[1
]}

Leal, JM ^{[1
]}

机构：

[1] Univ Burgos, Dept Quim, Burgos 09001, Spain

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 13期

关键词：

D O I：

10.1021/jp060143t

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：

The PVTx behavior for the x N-methylpyrrolidone (NMP) + (1 - x) methanol compressed liquid solvent is reported over the full composition range and within wide pressure and temperature ranges. The derived excess properties were analyzed in terms of structural effects and intermolecular interactions and revealed strong H-bonding heteroassociations between the two components. The cubic equations of state by Soave (SRK), Peng-Robinson (PR), Patel-Teja (PT), and Sako-Wu-Prausnitz (SWP), and the statistical associating fluid theory (SAFT) equation of state, combined with a number of selected mixing rules, were used to correlate and predict the behavior of both the pure components and mixed solvent. While the classical cubic equations of state were not successful in describing the properties of this system, the SWP equation of state and the SAFT yielded reasonably good results.

引用

页码：6933 / 6942

页数：10

共 64 条

[1] A NEW MIXING RULE MODIFIED CONVENTIONAL MIXING RULE [J].