Process for concentrating urea solutions under vacuum

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

Category

C - Chemistry, Metallurgy

Subcategory

07

Subsubcategory

C

CPC

260/557.7

IPC codes

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

Type

Patent

Patent number

CA 2040525

Description

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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