Vapor-liquid equilibrium of binary mixtures in the extended critical region
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Vapor-liquid equilibrium of binary mixtures in the extended critical region by James C. Rainwater

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Published by U.S. Dept. of Commerce, National Institute of Standards and Technology in Washington .
Written in English

Subjects:

  • Vapor-liquid equilibrium -- Mathematical models.,
  • Thermodynamics -- Mathematical models.

Book details:

Edition Notes

Other titlesVapor liquid equilibrium of binary mixtures in the extended critical region.
StatementJames C. Rainwater.
SeriesNIST technical note -- 1328.
ContributionsNational Institute of Standards and Technology (U.S.)
The Physical Object
FormatMicroform
Paginationv.
ID Numbers
Open LibraryOL18055331M

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  Abstract. The modified Leung-Griffiths model of Rainwater and Moldover is used to correlate vapor-liquid equilibrium (VLE) surfaces in pressure, temperature, and density for binary mixtures in the near-critical region. The systems studied are butane-pentane, propane-isopentane, butane-hexane, and by: Abstract Vapor–liquid equilibrium data of the binary mixtures nitrogen + acetone and oxygen + acetone are measured and compared to available experimental data from the literature. The saturated. An extended law of corresponding states, in combination with a parametric crossover equation of state, is applied to the prediction of thermodynamic properties and phase behavior of pure fluids and binary mixtures over a wide region around vapor–liquid critical by: Vapor liquid equilibrium of binary mixtures 2) Acetone - Ethanol Mole fraction of acetone Liquid Vapor 3) Acetone - Water Total pressure: kPa Mole fraction of acetone Liquid Vapor File Size: 68KB.

The Txy graph below shows binary mixtures of n-pentane and n-heptane at a fixed pressure of atm. Like all phase diagrams, areas outside of enclosed regions represent a single phase, and areas enclosed by coexistence lines represent two phases in equilibrium, with the boundary lines representing the two phases that are in equilibrium. for the chemial equilibrium condition is that the mixture fugacities are equal in each phase for each component V L fα =fα for α = 1 to N c, (23) Equation (23) is used for the calculation of multi-component vapor liquid equilibrium, where equations of state are available for both the liquid and vapor Size: KB. LCST in liquid mixtures. The three phase equilibrium locus ends at a critical end point where it is intersected by a mixture critical locus. Since the degree of freedom for a three phase binary mixture is one, the existing phase equilibria are expressed by a locus. When one variable is fixed, one can readily calculate three phase equilibria. ical line. Type-III mixtures arise in binary mixtures where the region of liquid-liquid immiscibility extends to the gas-liquid critical line making it discontinuous. The disparity in intermolecular forces are particularly significant for the two constituents in this class. Mixtures of neon/krypton, nitrogen/hydrocarbons, water/hydrocarbons orFile Size: 4MB.

Abstract The vapour liquid equilibrium surface of the binary mixture nitrogen—oxygen is correlated over an extended critical region with the Leung-Griffiths model as modified by Rainwater and Moldover. No single comprehensive experimental measurement of the coexistence surface is by: Get this from a library! Vapor-liquid equilibrium of binary mixtures in the extended critical region. [James C Rainwater; National Institute of Standards and Technology (U.S.)]. Extended law of corresponding states and thermodynamic properties of binary mixtures in and beyond the critical region. Fluid Phase Equilibria , (), DOI: /S(97) R. von Bergen, Y. von Bergen, E. by: The vapor–liquid equilibrium of a binary mixture can be expressed in a typical P-x-y or T-x-y-diagram, where either the temperature or the pressure is fixed. In such diagrams, strongly nonideal behavior like azeotropic or heteroazeotropic points is also presentable.