hi,,
I have a guide book of CO2 Absorbed by NaOH by Aspenone v.8.0, and I also have a file Aspenone v.8.0.bkp to simulate the CO2 Absorber. If you want it, you can contact me at widhisaputrawijaya@yahoo.co.id ,,

Best Regards,,
Widhi Saputra,,