Process for concentrating urea solutions under vacuum

Details Process for concentrating urea solutions under vacuum Process for concentrating urea solutions under vacuum

C - Chemistry, Metallurgy

07

C

260/557.7

C07C 273/16 (2006.01) C05C 9/00 (2006.01)

Patent

CA 2040525

Process for vacuum-concentrating urea solutions in which the end step of evaporation udder vacuum is carried out with the injection of overheated water vapour in concentrator overhead portion, in order to counteract the formation and deposition of high-melting, fouling compounds deriving from urea.

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