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公开(公告)号:EP2897987B1
公开(公告)日:2016-12-28
申请号:EP13760006.0
申请日:2013-09-05
Applicant: Basell Poliolefine Italia S.r.l.
Inventor: BALESTRA, Enrico , CAPUTO, Tiziana , DORINI, Maurizio , MAZZUCCO, Antonio , SOFFRITTI, Silvia
CPC classification number: C08F10/06 , B01J8/24 , B01J8/26 , B01J8/388 , B01J19/24 , B01J2208/00274 , B01J2208/00283 , B01J2208/00734 , B01J2219/00164 , B01J2219/24 , C08F10/00 , C08F210/06 , C08F2/34 , C08F2/005 , C08F2/001 , C08F210/16 , C08F2500/12 , C08F2/01
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公开(公告)号:EP2281010B1
公开(公告)日:2013-03-20
申请号:EP09753799.7
申请日:2009-05-15
Applicant: Basell Poliolefine Italia S.r.l.
Inventor: RINALDI, Riccardo , MAZZUCCO, Antonio , BALESTRA, Enrico , PENZO, Giuseppe , DORINI, Maurizio , MEI, Gabriele
CPC classification number: B01J19/2435 , B01J19/2465 , B01J2219/00087 , C08F10/00 , C08F110/02 , C08F110/06 , Y10S526/901 , C08F2/34 , C08F2/001 , C08F2/01 , C08F2500/05 , C08F2500/15
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公开(公告)号:EP3394110B1
公开(公告)日:2020-10-07
申请号:EP16802037.8
申请日:2016-11-28
Applicant: Basell Poliolefine Italia S.r.l.
Inventor: MAZZUCCO, Antonio , MEI, Gabriele , CAPUTO, Tiziana , PANTALEONI, Roberto , BALESTRA, Enrico , DI DIEGO, Maria , DESTRO, Mara , RINALDI, Riccardo
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公开(公告)号:EP2281010A1
公开(公告)日:2011-02-09
申请号:EP09753799.7
申请日:2009-05-15
Applicant: Basell Poliolefine Italia S.r.l.
Inventor: RINALDI, Riccardo , MAZZUCCO, Antonio , BALESTRA, Enrico , PENZO, Giuseppe , DORINI, Maurizio , MEI, Gabriele
CPC classification number: B01J19/2435 , B01J19/2465 , B01J2219/00087 , C08F10/00 , C08F110/02 , C08F110/06 , Y10S526/901 , C08F2/34 , C08F2/001 , C08F2/01 , C08F2500/05 , C08F2500/15
Abstract: A process for the polymerisation of olefins carried out in a gas-phase reactor having interconnected polymerization zones, where the growing polymer particles flow upward through a first polymerization zone (riser) under fast fluidization or transport conditions, leave said riser and enter a second polymerization zone (downcomer) through which they flow downward under the action of gravity, leave said downcomer and are reintroduced into the riser, a gas recycle stream being withdrawn from said first polymerisation zone, subjected to cooling below its dew point and then returned to said first polymerisation zone, the process being characterised in that said gas recycle stream is cooled at a temperature Tc ranging from 0.05°C to 3°C below its dew point.
Abstract translation: 在具有互连聚合区的气相反应器中进行烯烃聚合的方法,其中生长的聚合物颗粒在快速流化或运输条件下向上流过第一聚合区(提升管),离开所述提升管并进入第二聚合 (降液管),在重力作用下它们向下流动,离开所述降液管并被再次引入提升管,从所述第一聚合区排出气体再循环流,经受冷却到其露点以下,然后返回到所述第一 该方法的特征在于所述气体再循环流在低于其露点0.05℃至3℃的温度Tc下冷却。
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