公开(公告)号：WO2019082121A1

公开(公告)日：2019-05-02

申请号：PCT/IB2018/058337

申请日：2018-10-25

Applicant: SAIPEM S.P.A.

Inventor： CERRONE, Cristina ,  CEDRATI, Jacopo

IPC: B01D5/00 ,  B01D53/00 ,  B01D53/14 ,  B01D53/18 ,  C07C273/16

Abstract: An apparatus (20) for treatment of process vapours coming from a vacuum concentration section (10) of a urea plant, comprising a vacuum system (11) having a plurality of successive condensation stages (30), connected in series by respective line portions (31) and crossed in series by process vapours to be treated; the apparatus (20) has at least one primary steam condensate inlet (50) for feeding steam condensate to the vacuum system (11) and positioned, with reference to a circulation direction of the process vapours in the vacuum system (11), upstream of at least one selected condensation stage (30), or in at least one selected condensation stage (30).

公开(公告)号：EP3700647A1

公开(公告)日：2020-09-02

申请号：EP18807122.9

申请日：2018-10-25

Applicant: Saipem S.p.A.

Inventor： CERRONE, Cristina ,  CEDRATI, Jacopo

IPC: B01D5/00 ,  B01D53/00 ,  B01D53/14 ,  B01D53/18 ,  C07C273/16