Software Listing: Vapor Liquid Equilibrium

Uses Simulink to compute Vapor-Liquid Equilibrium diagrams for ethanol-water binary mixture. To compute activity coefficients, program uses Van-Laar Model. This mixture presents a positive azeotrope..

  • Platform: Matlab, Scripts

The programs compute the vapor-liquid diagram of an ethane-benzene mixture at 25dlT-C and 175dlT-C. This binary mixture exhibits a peculiar behavior because the volatilities of ethane and benzene are very different. We use the SRK equation of state to compute equilibrium constants. This problem was presented in Thermodynamique, Application au GdoTenie Chimique et doT l'Industrie PdoTetrolidodure by Jean Vidal, Technip, 1997..

  • Platform: Matlab, Scripts

The program computes the liquid-liquid equilibrium diagrams for a type II ternary systems based on the NRTL model. The ternary mixture: hexane-heptane-methanol is an example of type II systems. The equilibrium diagram is computed at a temperature of 306 K..

  • Platform: Matlab, Scripts

The program computes the liquid-liquid equilibrium diagrams for a type I ternary system based on the NRTL model. The ternary mixture: water-ethylacetate-acetone is an example of type I systems. The equilibrium diagram is obtained at a temperature of 288.15 K..

  • Platform: Matlab, Scripts

Vapour Liquid Equilibrium (VLE) is a program written in java for simulation of various VLE calculations like bubble point, dew point, flash point, Pxy and Txy diagrams, etc. It supports user defined methods for activity and fugacity calculations..

  • Platform: Linux, Mac OS X, Unix, WinOther

This being a very basic program for the demonstration of bubble and dew point calculations of a ideal binary VLE mixture obeying Raoult's. The basic purpose of this program is to demonstrate VLE P-T-x-y calculations of a ideal binary mixture and to get related data in graphical form for any such a system. It uses Raoult's law for the VLE calculations, the Antoine equation for the calculation of pure component vapour pressures at different temperatures and the Dalton's law for the calculation of total pressure of the vapor in equilibrium with the liquid. Further modifications required are: 1)It can be modified further for non-ideal mixtures by introducing the activity coefficients of the components.

  • Platform: Matlab, Scripts

PTTD Number of Theoretical Plates by McCabe-Thiele method for distillation towers of binary mixtures - Interactive changes using McCabe-Thiele diagram - Full printable reports - Vapor equilibrium using relative volatility or VLE data table - 47 VLE data tables included - Easy and fast to use

- User's manual in PDF format.


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  • Platform: Win7 x32, Win7 x64, WinOther, WinVista, WinVista x64

MCTH Number of Theoretical Plates by McCabe-Thiele method for distillation towers of binary mixtures - Interactive changes using McCabe-Thiele diagram - Full printable reports - Vapor equilibrium using relative volatility or VLE data table - 47 VLE data tables included - Easy and fast to use. User\'s manual in PDF format..

  • Platform: Win7 x32, Win7 x64, WinVista, WinVista x64, WinXP

SDEN - Distillation simulator of binary mixtures from 1 to 6 consecutive stages - Rayleigh equation - Relative volatility or VLE tables - Graphs and table of results - 10 Vapor-Liquid equilibrium tables included - User's Manual.

  • Platform: WinOther

DTTF Number of Theoretical Plates by McCabe-Thiele method for distillation towers of binary mixtures - Interactive changes using McCabe-Thiele diagram - Full printable reports - Vapor equilibrium using relative volatility or VLE data table - 47 VLE data tables included - Easy and fast to use. - User's manual in PDF format..

  • Platform: WinOther

This is a simple class definition for an Antoine object to facilitate computation of pure component saturation temperatures and pressures. An object corresponding to a pure component is instantiated by specifying the Antoine parameters. Methods include the computation of saturation pressure, saturation temperature, and plotting. Sample data is included for a small number of compounds. A search method is included to facilitate search the NIST Chemistry Webbook for Antoine parameters for other compounds. An extensive tutorial demonstrates the use of Antoine's equation for vapor-liquid equilibrium calculations.

  • Platform: Matlab, Scripts

MixProps is professional application designed to help chemistry technicians to calculate the interaction coefficients for a two phase vapor-liquid substance. The program allows you to customize the calculation settings in order to suit your projects.

You can use the program in order to create a chemical composition and estimate the interaction coefficients with minimum effort.


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  • Platform: WinOther

The two programs computes residue curve maps for the methyl acetate and isopropyl acetate chemistries at atmospheric pressure. These calculations involve solving a complex system of differential algebraic equations (DAEs). This can be readily achieved using the built-in function of MatLab, ode15s. The governing equations, which depend on transformed compositions, can be found in the pioneering paper by Barbosa, D., and M. F. Doherty, Chemical Engineering Science, 3 (43), 541-550, 1988. Appropriate equations must be used to compute vapor-liquid equilibrium when there is dimerization in the gas phase.

  • Platform: Matlab, Scripts

Uses simulink to get the bubble temperature and vapor mole fractions of a ternary mixture composed of acetone, chloroform and methanol. User needs to enter the total pressure as well as the liquid mole fractions of the three components of the mixture. Program uses the Wilson model to compute activity coefficients..

  • Platform: Matlab, Scripts

The GUI application plots VLE data of ethanol-water mixture at various pressures. Both Txy and xy diagrams can be plotted at the pressure value specified by the user. The Wilson model allows the program to take into account the deviation from ideal behavior in the liquid phase. User should enter low to moderate pressures since the correction term at high pressure is not included..

  • Platform: Matlab, Scripts

Design, sizing, rating and automatic selection of control, safety, relief valves

Prode Valves can assist in design, rating and selection of control, safety, relief valves, in addition to procedures for rigorous design and rating Prode Valves offers the benefit to automatically identify the most suitable product and fills in all detailing specifications.

* Design and rating of control valves and safety valves in agreement with international standards.
* Identify the most suitable products and fill in all detailed specification.
* Plot different kind of graphs for quick evaluation of valve's performance.

  • Publisher: Prode
  • Date:
  • Size: 5120 KB
  • Platform: Win7 x64, Windows 7, WinOther, WinVista, WinVista x64

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This is a demo app, just to show the calculations available in the Full Version. Please buy the Full Version to do calculations.
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A chemical process is best understood with quantification of the process parameters. For example to decide propane vessel design pressure, one needs to know propane vapor pressure.

We provide a Calculator that enables users to calculate:

Equipment sizing:
-Vessel sizing
-Vessel plate thickness
-Nozzle sizing
-Pipes for liquids
-Pipes for gases
-Gas control valve
-Liquid control valve
-Compressor power
-Pump power
-Fan power
- Agitator power

Component properties:
-Molecular weight
-Vapor pressure
-Latent heat
-K value (y/x)
-Boiling...

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x

The program computes the tie lines, the operating and mixing points and the number of equilibrium stages using the Hunter and Nash graphical method of a liquid-liquid extraction problem. One feed of acetic acid (35 wt %) in water which flow rate = 1000 kg/hr is extracted using a solvent consisting of pure isopropyl ether which flow rate = 1475 kg/h. We find that 5.35 equilibrium stages are needed to achieve the raffinate product requirement of 10 wt % acetic acid composition. This example is treated in the book by Phillip C. Wankat, Separations in Chemical Engineering, Equilibrium Staged Separations, Prentice Hall, 1988.

  • Platform: Matlab, Scripts

The code uses the SRK EOS written for a single component to plot isotherms, compute gas and liquid molar volumes and to plot vapor pressure versus temperature for ethane. Please visit these links for a paper by Z. Nasri and H. Binous where all equations are given as well as the same calculations performed with Mathematica: http://library.wolfram.com/infocenter/Articles/6871/ http://www.jstage.jst.go.jp/article/jcej/4...40_534/_article http://library.wolfram.com/infocenter/MathSource/5963/.

  • Platform: Matlab, Scripts

Vapor Max started serving customers the day we opened on October 18th 2013. We sell electronic cigarettes, over 200 e-liquid flavors, accessories, and MODs. Vapor Max believes you should “try it first before you buy it.” If you are looking for a smarter alternative to smoking, with no smoke, odor, ash, open flame, second hand smoke, tar, and other carcinogens, then go to Vapor Max. We are located at The New Midland Plaza in Alcoa, TN 37701 and we are open seven days a week. Hours of operation are Mon thru Sat 10:00 a.m. to 8:00 p.m. and Sun 12:00 p.m. to 6:00 p.m..

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x

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