| 摘要 |
<p>Ammonium carbamate in an aqueous urea solution containing the carbamate, urea, water and ammonia, obtained as a urea synthesis reactor effluent is decomposed, with the formation of a liquid phase containing urea, water, residual ammonium carbamate and residual ammonia, and a gaseous phase containing ammonia, carbon dioxide and water vapor. The liquid and gaseous phases are discharged into an upper portion of a decomposer and are separated effectively,</p> |
