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公开(公告)号：EP2125905A1
公开(公告)日：2009-12-02
申请号：EP07857446.4
申请日：2007-12-12
Applicant: Basell Poliolefine Italia S.R.L.
Inventor： PENZO, Giuseppe , RINALDI, Roberto , MICHIELIN, Luciano
Abstract: A process to perform the finishing of a polyolefin produced by polymerization of one or more α-olefins, the process comprising: (1) contacting a polyolefin discharged from a polymerization reactor with a counter-current flow of saturated steam, so as to strip away the gases from said polyolefin and to form condensed steam on the particles of said polyolefin; (2) drying the polyolefin particles by means of a counter-current flow of a dry inert gas, said flow of dry inert gas maintaining the polyolefin particles in fluidization conditions, the evaporation of said condensed steam cooling the polyolefin.
Abstract translation: 一种对由一种或多种α-烯烃聚合生产的聚烯烃进行精加工的方法，该方法包括：（1）使从聚合反应器中排出的聚烯烃与饱和蒸汽的逆流流动接触，以便除去 来自所述聚烯烃的气体并在所述聚烯烃的颗粒上形成冷凝蒸汽; （2）通过干燥惰性气体的逆流流动干燥聚烯烃颗粒，所述干燥惰性气体流保持聚烯烃颗粒处于流化状态，蒸发所述冷凝蒸汽以冷却聚烯烃。
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公开(公告)号：EP2125190A1
公开(公告)日：2009-12-02
申请号：EP07847779.1
申请日：2007-12-04
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： RINALDI, Roberto , PENZO, Giuseppe , GOVONI, Gabriele
CPC classification number: B01J8/1827 , B01J8/1818 , B01J2219/00247 , C08F10/00 , C08F2/34
Abstract: A gas distribution grid comprising a plurality of trays arranged to form the lateral walls of an inverted cone, said plurality of trays being attached each other to form slots in the overlapping area of adjacent trays.
Abstract translation: 一种气体分配格栅，其包括多个布置成形成倒锥体的侧壁的托盘，所述多个托盘彼此附接以在相邻托盘的重叠区域中形成狭槽。
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公开(公告)号：EP2087015B1
公开(公告)日：2011-09-28
申请号：EP07821795.7
申请日：2007-10-24
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , RINALDI, Roberto
IPC: C08F10/00 , C08F297/08 , C08L23/00 , B01J8/24 , B01J8/26
CPC classification number: B01J8/1809 , B01J8/26 , B01J2208/00539 , B01J2208/0061 , B01J2219/00006 , B01J2219/0004 , C08F10/06 , C08F110/06 , C08F210/06 , C08L23/10 , C08L23/16 , C08L2308/00 , C08F2/34 , C08F2/001 , C08L2666/06 , C08F2500/12 , C08F210/16
Abstract: A process for the multistage polymerization of olefins comprising a gas-phase polymerization carried out in at least two serially connected gas-phase reactors, the continuous discharge of polymer and gas reaction mixture from an upstream reactor into a transfer device and the continuous feeding of polymer from said transfer device to a downstream reactor, said transfer device comprising: a) a separation chamber in which said gas reaction mixture is removed from the polymer; b) at least a couple of lock hoppers working intermittently in parallel, where one of said lock hoppers is continuously filled with the polymer coming from step a), while simultaneously the other one is continuously pressurized by means of a gas comprising the reaction mixture coming from said downstream reactor.
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公开(公告)号：EP2183285A1
公开(公告)日：2010-05-12
申请号：EP08787007.7
申请日：2008-08-07
Applicant: Basell Poliolefine Italia S.R.L.
Inventor： PENZO, Giuseppe , RINALDI, Roberto , GALA, Antonio
CPC classification number: C08F10/00 , B01J19/1818 , B01J19/1837 , B01J19/1881 , B01J2219/00094 , B01J2219/00114 , B01J2219/00162 , B01J2219/00164 , B01J2219/00186 , C08F210/06 , C08F2/001 , C08F2/14 , C08F210/16
Abstract: A process for the slurry polymerization of one or more α-olefins in a sequence of at least two loop reactors interconnected by means of a transfer line, the transfer of polymer from a first loop reactor to a second loop reactor comprising the steps: i) establishing a recycle of polymer slurry to the second loop reactor by means of said transfer line, whereby a fraction of polymer slurry S1 withdrawn from said second loop reactor is continuously recycled back to it; ii) discharging a fraction of polymer slurry produced in the first loop reactor into a discharge line connected to said transfer line;
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公开(公告)号：EP2087015A2
公开(公告)日：2009-08-12
申请号：EP07821795.7
申请日：2007-10-24
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , RINALDI, Roberto
IPC: C08F10/00 , C08F297/08 , C08L23/00 , B01J8/24 , B01J8/26
CPC classification number: B01J8/1809 , B01J8/26 , B01J2208/00539 , B01J2208/0061 , B01J2219/00006 , B01J2219/0004 , C08F10/06 , C08F110/06 , C08F210/06 , C08L23/10 , C08L23/16 , C08L2308/00 , C08F2/34 , C08F2/001 , C08L2666/06 , C08F2500/12 , C08F210/16
Abstract: A process for the multistage polymerization of olefins comprising a gas-phase polymerization carried out in at least two serially connected gas-phase reactors, the continuous discharge of polymer and gas reaction mixture from an upstream reactor into a transfer device and the continuous feeding of polymer from said transfer device to a downstream reactor, said transfer device comprising: a) a separation chamber in which said gas reaction mixture is removed from the polymer; b) at least a couple of lock hoppers working intermittently in parallel, where one of said lock hoppers is continuously filled with the polymer coming from step a), while simultaneously the other one is continuously pressurized by means of a gas comprising the reaction mixture coming from said downstream reactor.
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Patent Agency Ranking
公开(公告)号：EP2095048B1
公开(公告)日：2019-08-21
申请号：EP07857471.2
申请日：2007-12-12
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , RINALDI, Roberto
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17.发明授权
公开(公告)号：EP2125190B1
公开(公告)日：2019-01-16
申请号：EP07847779.1
申请日：2007-12-04
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： RINALDI, Roberto , PENZO, Giuseppe , GOVONI, Gabriele
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公开(公告)号：EP2125905B1
公开(公告)日：2013-04-24
申请号：EP07857446.4
申请日：2007-12-12
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , RINALDI, Roberto , MICHIELIN, Luciano
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19.发明公开
公开(公告)号：EP2225015A1
公开(公告)日：2010-09-08
申请号：EP08856492.7
申请日：2008-11-06
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： RINALDI, Roberto , PENZO, Giuseppe , MICHIELIN, Luciano
CPC classification number: B01D45/14 , B01J8/0055 , B01J8/18 , B01J19/2435 , B01J2208/00274 , B01J2208/00761 , B01J2219/00006 , B01J2219/00094 , B01J2219/00105 , B04C5/13 , B04C9/00 , B04C2009/007 , C08F6/005 , C08F10/00 , C08F2/001
Abstract: Method and apparatus for the gas-solid separation comprising a separation chamber provided with a rotating hollow body, mounted at the top wall of said separation chamber. The rotating hollow body comprises a plurality of spaced-apart blades defining openings for the passage of gas, but rejecting solid particles entrained by the gas. The apparatus comprises also a cylindrical baffle surrounding the rotating hollow body to further deviate a mixed-phase gas-solids stream entering the separation chamber, and to promote settling of solid particles. The gas-solid separation method can be used to separate a gas-polymer mixture produced in a polymerization process.
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公开(公告)号：EP1962996A1
公开(公告)日：2008-09-03
申请号：EP06830143.1
申请日：2006-11-27
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , RINALDI, Roberto
CPC classification number: B01J8/1827 , B01J8/24 , B01J8/388 , B01J2208/00176 , B01J2208/00194 , B01J2208/00274 , C08F6/26 , C08F210/06 , C08L23/00 , C08F2/34 , C08F210/16
Abstract: A gas-phase process for polymerizing one or more α-olefins in a fluidized bed reactor in the presence of a polymerization catalyst, said fluidized bed reactor being equipped with a fluidization grid arranged at its base, and external means for recycling and cooling the unreacted gas from the top of said reactor to said fluidization grid, the process being characterized by: (i) a continuous pneumatic recycle of polymer by means of a circulation loop connecting said fluidization grid to the upper region of the fluidized bed reactor; (ii) a continuous discharge of polymer from a zone of said circulation loop having a polymer concentration higher than the polymer concentration inside the fluidized polymer bed.
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