2. Major Differences
1. Country of Origin Italy The Netherlands
2. Process Excess NH3 recycle process No excess NH3
3. Process Steam Req. Higher (0.595 Ton extraction steam/Ton
Urea)
Lower (0.566 Ton extraction steam/Ton
Urea)
4. Stripping Type Thermal Stripping in excess NH3
atmosphere
External CO2 Stripping + Thermal Stripping
5. Stripping Efficiency CO2 based calculation NH3 based calculation
6. Sections in Plant HP, MP, LP, Vacuum, PCT HP, MP (Pool Reactor)/LP (Pool Condenser),
Vacuum, PCT
7. HP Section Single Design (No variation) 2 types (Pool condenser type & Pool
Reactor type)