Acknowledgments

We proud to thanks whom helped us on this way:

• Ivan Johansen and his wonderful software: Graph 4.5 Beta.

• Frontline Systems Inc. (Solvers for Excel)

• Web Plot Digitizer

• Mori79 (A Google Site Guru)

A Special Thanks To PETROGAS Colleague:

And Our Professors and friends that guide us:

Dr Keikhosro Karimi, Dr. Mohsen Nasr Esfahani & Dr. Arjomand Mehrabani.

Isfahan University of Technology; Chemical Engineering Department.

Dr Farhad Khorasheh, Dr Mahmoud Reza Pishvaie

Sharif University of Technology; Chemical & Petroleum Engineering Department.

Ali Shalbafzadeh

Isfahan University of Technology; Department of Electrical and Computer Engineering