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公开(公告)号:AU2017262812B2
公开(公告)日:2020-02-06
申请号:AU2017262812
申请日:2017-05-09
Applicant: STAMICARBON
Inventor: HIGGINS BRIAN SAYRE , TATE III JOHN MARSHALL , YATES ROBERT ARTHUR , POMERLEAU MARCEL JULIEN , HEON JON MICHAEL , DIRKX WILFRIED MARC RENAAT , COLOMA GONZÁLEZ JUAN
IPC: B01D47/06 , B01D47/10 , B01D53/58 , C05C9/00 , C07C273/16
Abstract: Disclosed are methods and systems for removing submicron particles from a gas stream, in particular from urea prilling off-gas, wherein a Venturi ejector is used. A method comprises contacting a gas stream containing submicron particles in a Venturi ejector with an injected high velocity scrubbing liquid to provide a pumping action, wherein the scrubbing liquid has an initial velocity of at least 2 m/s and wherein the ratio of scrubbing liquid and gas flow is between 0.0005 and 0.0015 (m³/h) / (m³/h). The disclosure also pertains to a prilling tower having a gas stream treatment system comprising a Venturi ejector at the top of the prilling tower, and to a method of modifying an existing prilling tower.
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公开(公告)号:HRP20211875T1
公开(公告)日:2022-03-04
申请号:HRP20211875
申请日:2018-07-13
Applicant: STAMICARBON
Inventor: COLOMA GONZÁLEZ JUAN , MENNEN JOHANNES HENRICUS
IPC: C07C273/16 , C07C273/02
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公开(公告)号:AU2021203662A1
公开(公告)日:2021-07-01
申请号:AU2021203662
申请日:2021-06-04
Applicant: STAMICARBON
Inventor: HIGGINS BRIAN SAYRE , TATE III JOHN MARSHALL , YATES ROBERT ARTHUR , POMERLEAU MARCEL JULIEN , HEON JON MICHAEL , DIRKX WILFRIED MARC RENAAT , COLOMA GONZÁLEZ JUAN
IPC: B01D47/06 , B01D47/10 , B01D53/58 , C05C9/00 , C07C273/16
Abstract: Disclosed are methods and systems for removing submicron particles from a gas stream, in particular from urea prilling off-gas, wherein a Venturi ejector is used. A method comprises contacting a gas stream containing submicron particles in a Venturi ejector with an injected high velocity scrubbing liquid to provide a pumping action, wherein the scrubbing liquid has an initial velocity of at least 25 m/s and wherein the ratio of scrubbing liquid and gas flow is between 0.0005 and 0.0015 (m/h) / (m/h). The disclosure also pertains to a prilling tower having a gas stream treatment system comprising a Venturi ejector at the top of the prilling tower, and to a method of modifying an existing prilling tower.
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公开(公告)号:AU2020288071A1
公开(公告)日:2021-01-14
申请号:AU2020288071
申请日:2020-06-05
Applicant: STAMICARBON
Inventor: GEVERS LAMBERTUS WILHELMUS , COLOMA GONZÁLEZ JUAN
Abstract: A method is disclosed for stripping in a stripper a urea synthesis solution received from a urea forming process wherein ammonia and CO2 are reacted under urea forming conditions. The shell space of the stripper comprises a continuous vertical zone.
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公开(公告)号:PL3454971T3
公开(公告)日:2020-11-30
申请号:PL17727414
申请日:2017-05-09
Applicant: STAMICARBON
Inventor: HIGGINS BRIAN SAYRE , TATE III JOHN MARSHALL , YATES ROBERT ARTHUR , POMERLEAU MARCEL JULIEN , HEON JON MICHAEL , DIRKX WILFRIED MARC RENAAT , COLOMA GONZÁLEZ JUAN
IPC: B01D47/06 , B01D47/10 , B01D53/58 , C05C9/00 , C07C273/16
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