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ChemProp - The Chemical Prediction Module
ChemProp logo

Download?Download Chemprop.zip (1 MB)- Chemical property prediction EPOC database icon DATA file. Chemprop is a database containing pure component chemical property prediction spreadsheets. Most of the spreadsheets are designed take input data from the ChemBase module.

Features

Chemprop can predict a wide range of gas and liquid properties - density, heat capacity, viscosity, thermal conductivity, latent heat, surface tension and more. The techniques have been based mostly on information from YawsPerry and Reid. Some of the methods are listed below:-

Dimensionless numbers

Critical constants

Gas, liquid and solid densities (pure or multi-component) via equations of state such as Ideal fluids, Virial, Soave-Redlich-Kwong (SRK), Peng-Robinson, Lee Kesler and others

Fluid vapour pressure (pure or multi-component)

Boiling point, dew and bubble point temperatures

Heat of vaporisation

Heat of fusion

Gas, liquid or solid heat capacity (pure or multi-component)

Gas or liquid enthalpy and entropy  (pure or multi-component)

Heat of formation

Gas or liquid viscosity  (pure or multi-component)

Gas, liquid or solid thermal conductivity  (pure or multi-component)

Surface tension

Gas or liquid diffusion

Combustion properties

Air properties - psychrometric properties (wet bulb, dry bulb & relative humidity relations)

Idea fluids flash

Natural gas properties

Petroleum fractions properties

Usage

When opened, Chemprop should look something like this:-
Chemprop example

Now suppose we want the heat of vaporisation of , just type in "vapori" and press enter. You should get:-
Chemprop example

Now tap on the Peng-Robinson spreadsheet icon and press Ctrl-C to copy it to the clipboard. You should see:-
Chemprop example

Now switch to your project file and press Ctrl-V to embed the object thus:-
Chemprop example

Now open Chembase and press Ctrl-Shift-K to highlight "Name:", "MolWt:", "TfTb:" and "Crit Props:" fields only as below:-

Chemprop example

Now press "OK".  The next step is is to find n-Butane by typing in "n-but" and press "enter". Press Ctrl-A to select all the data, then Ctrl-C to copy it to the clipboard. You should see:-
Chemprop example

Now switch to your project file and edit embedded spreadsheet. Enter the temperature and then move to the cell called "name" and press Ctrl-V to paste the chembase data into this cell and the ones below, thus:-
Chemprop example

The spreadsheet will automatically recalculate in this case, and if we move to the bottom of the spreadsheet, we should see the heat of vaporization of 21019 kJ/kmol, thus:-
Chemprop example

Last updated 2001-09-16 - Created using FrontPage by Jeff HarmedMail me? All copyrights © reserved