[maabdolat]

Hi....

I am designing Sulfuric acid process in Hysys, and

i need following thermodynamic data;

1. VLE data of H2SO4-H20 system
2. VLE data of H2SO4-H20-SO3 system
3. Activity coefficient parameters for H2SO4-H2O system for "NRTL" thermo package..
4. Activity coefficient parameters for H2SO4-H2O-SO3 system for "NRTL" thermo package..
please help out, i am not getting that , i searched a lot....