PreFEED corporation solution for R&D to Design

Solutions from R&D through Process Design and Plant Operation

PreFEED Corporation, based in Japan supports process industries world-wide by providing educational services, modeling & consulting and software tool to address scale-up issues and to improve chemical plant performance.

What`s New

Sep.06.2019
Five new materials of "Tips to Scale-up & Design" are released.
They cover the following topics:

*Piping Line Pressure Balance (1711)
*Distillation Separation Effect by Thermosiphon Reboiler (1705)
*Distillation Column Composition and Temperature Calculations by Sequential Step Calculation (1709)
*Control Valve Characteristics (1707)
*Estimation of Activity Coefficients by ASOG Group Contribution Method (1609)
May.20.2019
Five new materials of "Tips to Scale-up & Design" are released.
They cover the following topics:

* Minimum Reflux Ratio Calculation by Underwood Method (1011)
* Group Contribution Equation of State Model (PSRK Method) (1103)
* Boiling Point Elevation and Boiling Point Elevation Constant (1201)
* Approximation of Water Vapor Pressure (1101)
* Guidelines for Setting Reaction Rate Constants (0912)
August.10.2018
Public training course on spray dryer will be conducted in Bangkok Thailand on October 25th and 26th.
May.18.2018
Five new materials of "Tips to Scale-up & Design" are released.
They cover the following topics:

* 0811: Estimation of heat of vaporization from vapor pressure data
* 1001: Change of azeotropic point by pressure
* 1002: Examples of batch operations better than continuous operations in reaction and evaporation
* 1007: Relationship between ternary Azeotropic Point and binary azeotropes
* 1009: Quick method to design distillation column
July.21.2017
Ten tips to scale-up & design were released.
July.21.2017
The homepage was renewed.