Hydrolysis reactor for removal of urea, ammonia, and carbon dioxide from a liquid phase comprising urea in aqueous solution

摘要

The present invention relates to a hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution advantageously comprises a dividing baffle (8) extending horizontally at a preset height in the reactor in which it defines a first and a second respectively lower and upper reaction space (9, 10), means (11) for collection and extraction from the reactor of a first portion of a gaseous phase comprising high pressure and temperature steam, previously fed into the first reaction space (9) and means (19) for feeding a second portion of the gaseous phase comprising high pressure and temperature steam to the second reaction space (10).