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New thermodynamic equation for testing consistency of lquid-vapor equilibria data.

Authors
Barieau-RE
Source
Ind Eng Chem Fund 1970 May; 9(2):298-299
NIOSHTIC No.
10010133
Abstract
The following new thermodynamic equation is derived, e/i VI (d ln fi/dp)t = vt/n/rt, where VI is the mole fraction of the ith component in the charge fed to an equilibrium cell, vt is the total volume of the cell, n is the total number of moles in the cell, and fi is the fugacity of the ith component, with liquid and vapor in equilibrium. This equation does not contain any of the thermodynamic properties of the liquid phase. It can be used to test an assumed equation of state for the ability to calculate consistent fugacities for the vapor phase. For a two-component system, the derivatives, (d ln fi/dp)t, along the coexistence curve, can be determined from phase equilibrium data and used to calculate the molal volumes of the liquid and vapor phases.
CODEN
IECFA7
Publication Date
19700501
Document Type
OP; Journal Article
Fiscal Year
1970
NTIS Accession No.
NTIS Price
Identifying No.
OP 63-70
Issue of Publication
2
ISSN
0196-4313
NIOSH Division
HEFO
Source Name
Industrial & Engineering Chemistry Fundamentals
State
TX
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