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.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Vapor-Liquid Equilibrium Diagrams for Ethanol-Water Mixture Download |
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.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Type II liquid-liquid equilibrium diagrams for two ternary systems: hexane-heptane-methanol at 306K Download |
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.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Screenshot Type I liquid-liquid equilibrium diagrams for a ternary systems: water-ethyl acetate-acetone at 15dlT- Download |
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.
Platforms: Windows, Mac, Solaris, Linux
License: Freeware | Size: 131.03 KB | Download (46): Vapour Liquid Equilibrium using Java Download |
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...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (40): Hunter and Nash Graphical Equilibrium Stage Method Download |
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...
Platforms: Matlab
License: Freeware | Size: 61.44 KB | Download (58): VAPOUR LIQUID EQUILIBRIUM P-T-x-y CALCULATIONS FOR A IDEAL BINARY MIXTURE Download |
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...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Vapor-Liquid Equilibrium Diagram of Ethane-Benzene at 25dlT-C and 175dlT-C Download |
In the program, we obtain equilibrium constants, compressibility factors, molar volumes and densities using the Soave-Redlich-Kwong equation of state. We find the same results as those given by Henley and Seader in Equilibrium-Stage Separation Operations in Chemical Engineering, Wiley, 1981...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Equilibrium Constants Computation using the Soave-Redlich-Kwong equation of state Download |
The STP LJ Thermal Equilibrium program simulates the interaction between two systems of Lennard-Jones particles brought into thermal contact. The purpose of this simulation is to explore the nature of thermal equilibrium and the relation, if any, between the kinetic and potential energies of two...
Platforms: Mac
License: Freeware | Size: 492.54 KB | Download (36): Lennard-Jones Thermal Equilibrium Download |
This GUI uses a constant relative volatility (alpha) to estimate the equilibrium curve. From there, the GUI uses the "McCabe and Thiele Graphical Method" to estimate the ideal number of plates in the column.A reference is provided in the GUI: look in Help/About.Comments, suggestions or bugs,...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): GUI for distillation columns: McCabe and Thiele Method. Download |
A pH Calculator, a Virtual Titrator, a Real Titration Data Analyzer, a Distribution Diagram Generator - that's CurTiPot, the all-in-one freeware to learn, teach and work with chemical equilibrium of acids, bases, salts and buffers at home, classroom, interactive "dry lab", routine or research...
Platforms: Windows
License: Freeware | Size: 784 KB | Download (52): CurTiPot Acid-Base pH and Titration Download |
Set of python scripts that can be used for the calculations of equilibrium fractionation factors from experiments and from statistical mechanics theory. python scripts use Scipy/Numpy/Matplotlib/WxPython for calculations, plotting and the GUI
Platforms: Windows, Mac, Linux
License: Freeware | Size: 40 MB | Download (49): IsotoPy Download |
Elastic network models (ENMs) have been shown to generate the dominant functional equilibrium motions of biomolecules quickly and efficiently. MAVEN simplifies ENM generation, allows for diverse models to be used, and facilitates useful analyses.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 395.84 KB | Download (44): MAVEN Download |
The program computes the number of equilibrium stages for a binary ideal mixture with relative volatility equal to 2.45. The feed is a two phase mixture with a feed quality is equal to 0.85. The distillate, feed and bottom mole fractions are 0.9, 0.5 and 0.1, respectively. The reflux ratio is...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): McCabe-Thiele Method for an Ideal Binary Mixture Download |
We solve a binary distillation problem using the solution of a Riccati equation. We find that four plates are needed to achieve the desired product purity. We also compute the number of stages with the classical approach by stepping off stages using the equilibrium curve and the operating line....
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Application of the Riccati Equation to Solve Binary Distillation Problems Download |
The program computes phase envelopes for two binary mixtures containing ethane and benzene (20 % ethane and 80 % benzene; 70 % ethane and 30 % benzene). This binary system exhibits a peculiar behavior called retrograde condensation (e.g. We get condensation as we increase the temperature or...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): Phase Envelope for Ethane-Benzene Mixture Download |
The code is written to find one mixed Nash equilibrium strategy apart from all pure Nash equilibria in a bimatrix or general sum two person matrix game. It is based upon the algorithm presented by O.L. Mangasarian in 1964. It uses quadprog to solve a quadratic programming problem for a two person...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Bimatrix Game Download |
We use the SRK equation of state to compute the correction factor due to gas-phase nonideality as a result of the high pressure applied in the ammonia synthesis. We also compute the extent of reaction. Plots of these two quantities versus pressure for temperature equal to 800K are presented. The...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): Calculation of High-Pressure Chemical Equilibrium: Case of ammonia synthesis Download |
Gas absorption is a very ubiquitous unit operation in any chemical plant. It has in common with liquid-liquid extraction that there are two carrier streams and one solute to be partioned between them. Here, we use the McCabe and Thiele graphical method to study the separation of acetone from air....
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Absorption of Acetone in Air Using Water Download |
The Hardy Weinberg equilibrium is a fundamental law in genetic.This function was deeply rewrited.If a locus is biallelic the function use the exact Hardy Weinberg test (similar to Fisher exact test) analyzing all possible tables. If you download TERNPLOT functions (ID:2299) the function plots a...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): HWtest Download |