Process for the preparation of urea

Details Process for the preparation of urea Process for the preparation of urea

C - Chemistry, Metallurgy

07

C

C07C 273/04 (2006.01)

Patent

CA 2336042

Process for the preparation of urea from ammonia and carbon dioxide in which a submerged condenser is used as high-pressure carbamate condenser and the urea synthesis solution leaving the submerged condenser is transferred to the reactor by means of an ejector. In particular, this relates to a process in which a pool condenser is used as submerged condenser.

Procédé servant à préparer urée à partir d'ammoniac et de dioxyde de carbone, ce qui consiste à mettre en application un condenseur submergé en tant que condenseur de carbamate haute pression et à transférer vers le réacteur au moyen d'un éjecteur la solution de synthèse d'urée sortant du condenseur submergé. L'invention concerne, en particulier, un procédé consister à utiliser un condenseur à orientation horizontale en tant que condenseur submergé.

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