<p>A process for urea production from ammonia and carbon dioxide, in which part of the aqueous solution comprising urea, ammonium carbamate and ammonia obtained in a urea synthesis section is subjected to dissociation in a treatment section operating at a predetermined medium pressure for the recovery of the ammonium carbamate and of the ammonia contained in it, comprises the step of subjecting the urea aqueous solution resulting from the aforementioned dissociation step to decomposition in a low pressure urea recovery section.</p>
申请公布号
WO2006117050(A1)
申请公布日期
2006.11.09
申请号
WO2006EP03121
申请日期
2006.04.06
申请人
UREA CASALE S.A.;ZARDI, FEDERICO;STICCHI, PAOLO;BRUNENGO, PAOLO