METHOD AND DEVICE FOR CONDENSING CARBAMATE (VERSIONS) Russian patent published in 2009 - IPC C07C273/04 B01J8/06 

Abstract RU 2372327 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of condensing carbamate through condensation of gaseous phase of carbon dioxide and ammonia into a liquid phase, which is carbamate in aqueous solution and optionally a solution which contains urea and non-reacting substances and liquid ammonia, in a submerged-type condenser, containing a given number of heat-exchange pipes in a bundle, meant for condensing carbamate, into each of which gaseous and liquid phases are fed simultaneously and independently from each other. The invention also relates to a submerged-type device for condensing carbamate.

EFFECT: increased efficiency and output of the method of condensing carbamate in the proposed device.

14 cl, 4 dwg

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RU 2 372 327 C2

Authors

Pennino Lorentso

Dates

2009-11-10Published

2004-09-20Filed