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1. 发明公开

KR1020070110118A 요소 제조 방법 및 관련 플랜트 无效
标题翻译：乌拉圭生产过程和相关工厂
公开(公告)号：KR1020070110118A
公开(公告)日：2007-11-15
申请号：KR1020077022618
申请日：2005-11-15
申请人： 우레아 카잘레 에스.에이.
发明人： 로미티,도메니코 , 스티치,파올로
IPC分类号： C07C273/04 , C07C273/02 , C07C273/14 , B01J19/24
CPC分类号： C07C273/04 , B01J2219/00006 , B01J2219/00103 , B01J2219/00108 , B01J2219/182 , B01J2219/185 , Y02P20/142
摘要： A process for urea production from ammonia and carbon dioxide, made to react at a predetermined high pressure in an appropriate synthesis reactor (112), from the reaction between NH3 and C02 being obtained a reaction mixture comprising urea, ammonium carbamate and free ammonia in aqueous solution, from which a recovery of ammonium carbamate and ammonia is carried out with their subsequent recycle to the synthesis reactor (112), said recovery from the reaction mixture taking place through operative steps of decomposition of the ammonium carbamate into NH3 and CO2 and of their stripping and a subsequent operative step of their recondensation into ammonium carbamate that is recycled to the synthesis reactor, the said reaction mixture obtained from the reaction between ammonia and carbon dioxide being pumped to the operative steps of decomposition and stripping.
摘要翻译：由氨和二氧化碳制备的尿素在合适的合成反应器（112）中由NH 3和CO 2之间的反应在预定的高压下反应，得到包含尿素，氨基甲酸铵和游离氨水溶液的反应混合物溶液，其中氨基甲酸铵和氨的回收率随后再循环到合成反应器（112）中，所述从反应混合物中回收，通过氨基甲酸铵分解成NH 3和CO 2以及它们的操作步骤进行汽提和随后的将其再缩合成氨基甲酸铵再循环到合成反应器中的操作步骤，将从氨和二氧化碳之间的反应获得的所述反应混合物泵送到分解和汽提的操作步骤。

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