Method of controlling water content in urea reactions

Details Method of controlling water content in urea reactions Method of controlling water content in urea reactions

C - Chemistry, Metallurgy

07

C

260/548.1

C07C 273/04 (2006.01)

Patent

CA 1040215

METHOD OF CONTROLLING WATER CONTENT IN UREA REACTIONS Abstract of the Disclosure A method of preparing urea is disclosed in which extremely high yields of urea are obtained at relatively low pressures. The method comprises, in a continuous urea process in which off-gases are recycled, partially removing water from the urea melt. This is accomplished by feeding to the urea melt a mixture of gases containing recycled gases, which has been rendered low in water content prior to entry into the urea reaction vessel. - 1 -

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