A GENERALIZED CORRELATION FOR THE INTERACTION COEFFICIENTS OF NITROGEN-HYDROCARBON BINARY-MIXTURES

被引：28

作者：

AVLONITIS, G

MOURIKAS, G

STAMATAKI, S

TASSIOS, D

机构：

[1] NATL TECH UNIV ATHENS,THERMODYNAM & TRANSPORT PHENOMENA LAB,9 HEROON POLYTECHNIOU ST,GR-15773 ATHENS,GREECE

[2] NATL TECH UNIV ATHENS,DEPT MIN & MET,GR-15773 ATHENS,GREECE

来源：

FLUID PHASE EQUILIBRIA | 1994年 / 101卷

关键词：

THEORY; METHODS OF CALCULATION; EMPIRICAL; INTERACTION PARAMETER; NITROGEN; HYDROCARBONS;

D O I：

10.1016/0378-3812(94)02554-1

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present study introduces a generalized correlation for the interaction coefficients of N2(i)/hydrocarbon(j) binary systems as a function of the reduced temperature of nitrogen (T(ri)) and the acentric factor of the hydrocarbon (omega(j)). It is applicable to the translated-modified Peng-Robinson equation of state (t-mPR EoS) and the original PR as well. The prediction results for N2/n-alkane binary systems are satisfactory with an average absolute error in bubble-point pressure below 6%. Equally good results are obtained for the binaries of N2 with naphthenes, iso-alkanes and aromatics. Use of temperature independent interaction coefficients is recommended for the N2/alkene systems. The proposed correlation is limited to pressures lower than 500 bar, and gives better prediction than those reported previously.

引用

页码：53 / 68

页数：16

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