Process and equipment for the hydrolysis of residual urea in...

Details Process and equipment for the hydrolysis of residual urea in... Process and equipment for the hydrolysis of residual urea in...

C - Chemistry, Metallurgy

07

C

C07C 273/04 (2006.01) B01J 10/00 (2006.01) B01J 19/00 (2006.01) C02F 1/02 (2006.01) C07C 237/04 (2006.01)

Patent

CA 2081294

ABSTRACT Process for the hydrolysis of urea contained in the process water from plants for the synthesis of urea consisting of the thermic treatment of the water containing urea and of the removal by stripping of the compounds from decomposition of the urea (CO2 and NH3) in a series of stages in series with superimposed flow. The equipment is a vertical column with superimposed modules with weirs which penetrate in two successive modules and give the solution a rising movement.

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