2008 F Zardi UCSA 0242890 Urea Revamp 2nd stripper Application

A method for modernisation and revamping of a plant for urea production according to the process with stripping carbon dioxide. The modernisation of such plant concerns specifically the synthesis section by adding a second stripper. Urea solution from the reactor is divided to the existing stripper and a second stripper. The off-gas of that added second stripper is directed into the urea reactor. To both strippers the feedstock carbon dioxide is added.   



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