Intext : Write the conditions of manufacture of urea

Question

Write the conditions of manufacture of urea.

Answer

Conditions of manufacture of urea

1. The process is carried out at a high temperature of around 170-190°C.
2. A high pressure of around 100-200 atm is maintained in the reactor.
3. A catalyst, typically iron oxide, is used to promote the reaction between ammonia and carbon dioxide.
4. The molar ratio of ammonia to carbon dioxide should be maintained at 3:1.