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公开(公告)号：US10471407B2
公开(公告)日：2019-11-12
申请号：US15853072
申请日：2017-12-22
Applicant: Basell Polyolefine GmbH
Inventor： Gabriele Mei , Massimo Covezzi , Gerhardus Meier , Antonio Mazzucco , Pietro Baita , Ulf Schueller , Lorella Marturano , Enrico Balestra
IPC: B01J8/28 , B01J8/18 , C08F110/02 , C08F110/06
Abstract: A process for starting a multizone circulating reactor containing no polyolefin particles, comprising the steps of conveying gas through the reactor and the gas recycle line, feeding a particulate material comprising a polymerization catalyst and optionally polyolefin into the reactor, controlling the gas flow in a vertical reactor zone equipped with a throttling valve at the bottom so that the upwards gas velocity in the bottom part of this reaction zone is lower than the terminal free-fall velocity of the particulate material fed into the reactor, and, after the weight of the particulate polyolefin in this reactor zone is higher than the drag force of the upward moving gas, controlling the circulation rate of the polymer particles within the multizone circulating reactor by adjusting the opening of the throttling valve and adjusting the flow rate of a dosing gas.
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2.发明授权Process for treating polyolefin particles obtained by gas-phase polymerization 有权用于处理通过气相聚合获得的聚烯烃颗粒的方法公开(公告)号：US09458259B2
公开(公告)日：2016-10-04
申请号：US14650532
申请日：2013-12-11
Applicant: Basell Polyolefine GmbH
Inventor： Giuseppe Penzo , Giulia Mei , Gabriele Mei , Antonio De Lucia , Pietro Baita
CPC classification number: C08F10/02 , B29B2013/005 , C08F6/005 , C08F6/02 , C08L23/04 , C08F210/16 , C08F210/14 , C08F2500/12 , C08F2500/24
Abstract: Process for treating polyolefin particles obtained by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, the process comprising the steps of a) discharging the polyolefin particles continuously or discontinuously from the gas-phase polymerization reactor and transferring the particles to a first degassing vessel; b) contacting therein the polyolefin particles with a gaseous stream comprising at least 85 mol-% of C3-C5 alkane while the polyolefin particles have an average residence time in the first degassing vessel of from 5 minutes to 5 hours; c) transferring the polyolefin particles to a second degassing vessel; d) contacting therein the polyolefin particles with a stream comprising nitrogen and steam while the polyolefin particles have an average residence time in the second degassing vessel of from 5 minutes to 2 hours, wherein the contacting is carried out at conditions under which no condensation of water occurs; e) transferring the polyolefin particles to a third degassing vessel; f) contacting therein the polyolefin particles with a stream of nitrogen while the polyolefin particles have an average residence time in the third degassing vessel of from 5 minutes to 8 hours, and processes for preparing polyolefin polymers by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, wherein the obtained polyolefin particles are subjected to such a treating process.
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3.发明申请公开(公告)号：US20160108148A1
公开(公告)日：2016-04-21
申请号：US14891506
申请日：2014-05-13
Applicant: BASELL POLYOLEFINE GMBH
Inventor： Gabriele Mei , Pietro Baita , Lorella Marturano , Antonio Mazzucco , Roberta Pica , Gerhardus Meier , Ulf Schueller
IPC: C08F110/02
CPC classification number: C08F110/02 , C08F2/001 , C08F2/002 , C08F4/654 , C08F4/6543 , C08F4/6548 , C08F4/655 , C08F4/6565 , C08F10/02 , C08F2/34 , C08F2500/18 , C08F2500/24 , C08F4/6492 , C08F4/6425
Abstract: A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps a) feeding a solid catalyst component, which was obtained by contacting at least a magnesium compound and a titanium compound, to a continuously operated apparatus and contacting the solid catalyst component with an aluminum alkyl compound at a temperature of from 0° C. to 70° C. in a way that the mean residence time of the solid catalyst component in contact with the aluminum alkyl compound is from 5 to 300 minutes; b) transferring the catalyst component formed in step a) into another continuously operated apparatus and prepolymerizing it with ethylene or a mixture of ethylene and one or more 1 olefins in suspension at a temperature of from 10° C. to 80° forming polymer in an amount of from 0.2 to 25 g polymer/g of solid catalyst component in a way that the mean residence time of the solid catalyst component in the apparatus is from 5 minutes to 3 hours; and c) transferring the prepolymerized catalyst component formed in step b) into a gas-phase polymerization reactor and polymerizing ethylene or a mixture of ethylene and one or more 1 olefins in the presence of the prepolymerized catalyst component at temperatures of from 40° C. to 120° C. and pressures of from 0.1 to 10 MPa.
Abstract translation: 一种在聚合催化剂体系存在下乙烯或乙烯与一种或多种烯烃的混合物进行气相聚合的方法，包括步骤a）进料固体催化剂组分，该固体催化剂组分是通过使至少一种镁化合物 和钛化合物连接到连续操作的装置上，并使固体催化剂组分与烷基铝化合物在0℃至70℃的温度下接触，使得固体催化剂组分的平均停留时间接触 烷基铝化合物为5至300分钟; b）将步骤a）中形成的催化剂组分转移到另一个连续操作的装置中，并将其与乙烯或乙烯和一种或多种1种烯烃在悬浮液中的混合物在10℃至80℃的温度下预聚合形成聚合物 以固体催化剂组分在设备中的平均停留时间为5分钟至3小时的方式，其量为0.2至25g聚合物/ g固体催化剂组分; 和c）将步骤b）中形成的预聚合的催化剂组分转移到气相聚合反应器中，并在预聚合的催化剂组分存在下在40℃的温度下聚合乙烯或乙烯和一种或多种烯烃的混合物 至120℃，压力为0.1至10MPa。
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4.发明授权公开(公告)号：US10968291B2
公开(公告)日：2021-04-06
申请号：US16348636
申请日：2017-11-09
Applicant: Basell Polyolefine GmbH
Inventor： Gerhardus Meier , Ulf Schueller , Gabriele Mei , Massimo Covezzi , Pietro Baita , Lorella Marturano
Abstract: A process for preparing an ethylene polymer including the step of homopolymerizing ethylene or copolymerizing ethylene with one or more comonomers in a gas-phase polymerization reactor including a riser unit wherein growing polymer particles flow upwards under fluidization, fast fluidization or transport conditions and a downcomer wherein growing polymer particles flow downward in a densified form, wherein the hold-up of polymer particles in the downcomer is from 55 wt. % to 80 wt. % of the total hold-up of polymer particles in the gas-phase polymerization reactor.
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公开(公告)号：US09873754B2
公开(公告)日：2018-01-23
申请号：US14891506
申请日：2014-05-13
Applicant: Basell Polyolefine GmbH
Inventor： Gabriele Mei , Pietro Baita , Lorella Marturano , Antonio Mazzucco , Roberta Pica , Gerhardus Meier , Ulf Schueller
CPC classification number: C08F110/02 , C08F2/001 , C08F2/002 , C08F4/654 , C08F4/6543 , C08F4/6548 , C08F4/655 , C08F4/6565 , C08F10/02 , C08F2/34 , C08F2500/18 , C08F2500/24 , C08F4/6492 , C08F4/6425
Abstract: A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps a) feeding a solid catalyst component, which was obtained by contacting at least a magnesium compound and a titanium compound, to a continuously operated apparatus and contacting the solid catalyst component with an aluminum alkyl compound at a temperature of from 0° C. to 70° C. in a way that the mean residence time of the solid catalyst component in contact with the aluminum alkyl compound is from 5 to 300 minutes; b) transferring the catalyst component formed in step a) into another continuously operated apparatus and prepolymerizing it with ethylene or a mixture of ethylene and one or more 1 olefins in suspension at a temperature of from 10° C. to 80° forming polymer in an amount of from 0.2 to 25 g polymer/g of solid catalyst component in a way that the mean residence time of the solid catalyst component in the apparatus is from 5 minutes to 3 hours; and c) transferring the prepolymerized catalyst component formed in step b) into a gas-phase polymerization reactor and polymerizing ethylene or a mixture of ethylene and one or more 1 olefins in the presence of the prepolymerized catalyst component at temperatures of from 40° C. to 120° C. and pressures of from 0.1 to 10 MPa.
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Patent Agency Ranking
公开(公告)号：US09399688B2
公开(公告)日：2016-07-26
申请号：US14889794
申请日：2014-05-13
Applicant: Basell Polyolefine GmbH
Inventor： Giuseppe Penzo , Gabriele Mei , Gerhardus Meier , Ulf Schueller , Antonio Ciarrocchi
IPC: C08F2/00 , B01J19/18 , C08F110/02 , B01J19/24
CPC classification number: C08F110/02 , B01J8/0025 , B01J8/1863 , B01J8/1872 , B01J8/26 , B01J19/245 , B01J2208/00274 , B01J2208/00292 , B01J2208/00557 , B01J2208/00752 , B01J2208/00761 , B01J2208/00769 , B01J2208/00991 , B01J2219/24 , C08F10/00 , C08F2/001 , C08F2/34 , C08F2/01 , C08F2500/12 , C08F2500/07 , C08F2500/24 , C08F2500/18
Abstract: A process for polymerizing olefins at temperatures of from 30° C. to 140° C. and pressures of from 1.0 MPa to 10 MPa in the presence of a polymerization catalyst in a multistage polymerization of olefins in at least two serially connected gas-phase polymerization reactors, and apparatus for the multistage polymerization of olefins, comprising at least two serially connected gas-phase polymerization reactors and a device for transferring polyolefin particles from an up-stream gas-phase polymerization reactor to a downstream gas-phase polymerization reactor, the transferring device comprising—a gas/solid separation chamber placed downstream of the upstream gas-phase polymerization which gas/solid separation chamber is equipped at a lower part with an net for introducing a fluid, and—connected to the gas/solid separation chamber at least two lock hoppers, placed in a parallel arrangement, each connected to the downstream gas-phase polymerization reactor.
Abstract translation: 在烯烃的多段聚合中在聚合催化剂存在下，在至少两个串联连接的气相聚合中，在30℃至140℃的温度和1.0MPa至10MPa的温度下使烯烃聚合的方法 反应器和用于烯烃多段聚合的装置，包括至少两个串联连接的气相聚合反应器和用于将聚烯烃颗粒从上游气相聚合反应器转移到下游气相聚合反应器的装置，转移 装置包括：在上游气相聚合的下游设置的气/固分离室，气/固分离室在下部配备有用于引入流体的网，并至少与气/固分离室连接 两个锁定料斗，并排布置，每个连接到下游气相聚合反应器。
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7.发明申请PROCESS FOR TREATING POLYOLEFIN PARTICLES OBTAINED BY GAS-PHASE POLYMERIZATION 有权用于处理由气相聚合获得的聚烯烃颗粒的方法公开(公告)号：US20150322178A1
公开(公告)日：2015-11-12
申请号：US14650532
申请日：2013-12-11
Applicant: Basell Polyolefine GmbH
Inventor： Giuseppe Penzo , Giulia Mei , Gabriele Mei , Antonio De Lucia , Pietro Baita
IPC: C08F10/02
CPC classification number: C08F10/02 , B29B2013/005 , C08F6/005 , C08F6/02 , C08L23/04 , C08F210/16 , C08F210/14 , C08F2500/12 , C08F2500/24
Abstract: Process for treating polyolefin particles obtained by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, the process comprising the steps of a) discharging the polyolefin particles continuously or discontinuously from the gas-phase polymerization reactor and transferring the particles to a first degassing vessel; b) contacting therein the polyolefin particles with a gaseous stream comprising at least 85 mol-% of C3-C5 alkane while the polyolefin particles have an average residence time in the first degassing vessel of from 5 minutes to 5 hours; c) transferring the polyolefin particles to a second degassing vessel; d) contacting therein the polyolefin particles with a stream comprising nitrogen and steam while the polyolefin particles have an average residence time in the second degassing vessel of from 5 minutes to 2 hours, wherein the contacting is carried out at conditions under which no condensation of water occurs; e) transferring the polyolefin particles to a third degassing vessel; f) contacting therein the polyolefin particles with a stream of nitrogen while the polyolefin particles have an average residence time in the third degassing vessel of from 5 minutes to 8 hours, and processes for preparing polyolefin polymers by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor, wherein the obtained polyolefin particles are subjected to such a treating process.
Abstract translation: 在气相聚合反应器中，在聚合催化剂体系和C3-C5烷烃作为聚合稀释剂的存在下，通过一种或多种烯烃的气相聚合得到的聚烯烃颗粒的处理方法，该方法包括以下步骤：a） 聚烯烃颗粒从气相聚合反应器连续或不连续地转移并转移到第一脱气容器中; b）使聚烯烃颗粒与包含至少85mol％的C 3 -C 5烷烃的气流接触，同时聚烯烃颗粒在第一脱气容器中的平均停留时间为5分钟至5小时; c）将聚烯烃颗粒转移到第二脱气容器; d）使聚烯烃颗粒与包含氮气和蒸汽的物流接触，同时聚烯烃颗粒在第二脱气容器中的平均停留时间为5分钟至2小时，其中接触是在没有水冷凝的条件下进行的 发生; e）将聚烯烃颗粒转移到第三脱气容器; f）使聚烯烃颗粒与氮气流接触，同时聚烯烃颗粒在第三脱气容器中的平均停留时间为5分钟至8小时，以及通过一种或多种烯烃的气相聚合制备聚烯烃聚合物的方法 在气相聚合反应器中存在聚合催化剂体系和作为聚合稀释剂的C 3 -C 5烷烃的情况下，将得到的聚烯烃颗粒进行这样的处理。
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公开(公告)号：US20180178180A1
公开(公告)日：2018-06-28
申请号：US15853072
申请日：2017-12-22
Applicant: Basell Polyolefine GmbH
Inventor： Gabriele Mei , Massimo Covezzi , Gerhardus Meier , Antonio Mazzucco , Pietro Baita , Ulf Schueller , Lorella Marturano , Enrico Balestra
IPC: B01J8/28 , C08F110/02 , C08F110/06 , B01J8/18
Abstract: A process for starting a multizone circulating reactor containing no polyolefin particles, comprising the steps of conveying gas through the reactor and the gas recycle line, feeding a particulate material comprising a polymerization catalyst and optionally polyolefin into the reactor, controlling the gas flow in a vertical reactor zone equipped with a throttling valve at the bottom so that the upwards gas velocity in the bottom part of this reaction zone is lower than the terminal free-fall velocity of the particulate material fed into the reactor, and, after the weight of the particulate polyolefin in this reactor zone is higher than the drag force of the upward moving gas, controlling the circulation rate of the polymer particles within the multizone circulating reactor by adjusting the opening of the throttling valve and adjusting the flow rate of a dosing gas.
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公开(公告)号：US09133291B2
公开(公告)日：2015-09-15
申请号：US14362842
申请日：2012-12-04
Applicant: Basell Polyolefine GmbH
Inventor： Massimo Covezzi , Giuseppe Penzo , Gabriele Mei , Giulia Mei , Pietro Baita , Gerhardus Meier , Antonio De Lucia , Ulf Schueller , Gianpiero Ferraro
CPC classification number: C08F110/02 , C08F2/001 , C08F2/34 , C08F10/00 , C08F10/02 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F2/00 , C08F2/01
Abstract: Process for transferring polyolefin particles from a first gas-phase polymerization reactor to a second gas-phase polymerization reactor in a multistage polymerization of olefins carried out in at least two serially connected gas-phase polymerization reactors,wherein the first gas-phase reactor is a fluidized-bed reactor comprising a gas distribution grid and a settling pipe, which is integrated with its upper opening into the distribution grid and contains a bed of polyolefin particles which moves from top to bottom of the settling pipe, the process comprising the steps of introducing a fluid into the settling pipe in an amount that an upward stream of the fluid is induced in the bed of polyolefin particles above the fluid introduction point; withdrawing polyolefin particles from the lower end of the settling pipe; and transferring the withdrawn polyolefin particles into the second gas-phase polymerization reactor, process for polymerizing olefins comprising such a process for transferring polyolefin particles, reactor suitable as first gas-phase polymerization reactor in the process for polymerizing olefins and process for discharging polyolefin particles from a fluidized-bed reactor.
Abstract translation: 在至少两个串联连接的气相聚合反应器中进行的烯烃多级聚合中将聚烯烃颗粒从第一气相聚合反应器转移到第二气相聚合反应器的方法，其中第一气相反应器是 流化床反应器包括气体分配网格和沉降管，其与其上部开口集成到分配网格中并且包含从沉降管的顶部移动到底部的聚烯烃颗粒床，该方法包括以下步骤：引入 流入沉降管中的流体，其量为在流体引入点上方的聚烯烃颗粒床中引起流体向上流; 从沉降管的下端取出聚烯烃颗粒; 并将取出的聚烯烃颗粒转移到第二气相聚合反应器中，用于聚合烯烃的方法包括这种转移聚烯烃颗粒的方法，在聚合烯烃的方法中适合作为第一气相聚合反应器的反应器和用于从聚烯烃中排出聚烯烃颗粒的方法 流化床反应器。
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公开(公告)号：US20230364574A1
公开(公告)日：2023-11-16
申请号：US18027882
申请日：2021-09-21
Applicant: Basell Polyolefine GmbH
Inventor： Tiziana Caputo , Pietro Baita , Maria Di Diego , Lorella Marturano , Antonio Mazzucco , Gabriele Mei , Giulia Mei , Roberta Pica
CPC classification number: B01J8/10 , B01J8/085 , B01J8/003 , C08F2/01 , C08F4/61912 , C08F110/02 , B01J2208/00752 , B01J2208/00761
Abstract: An apparatus for polymerizing olefins including a polymerization reactor and a vessel system for pre-activating a solid catalyst component, wherein the vessel system is arranged upstream of the polymerization reactor. The vessel system includes a contacting vessel which includes a main portion, a base portion, a head portion, an inlet, an outlet, and a stirrer positioned within the contacting vessel, wherein the ratio (H/D) of the height (H) of the main portion to the diameter (D) of the main portion is 1.8 or greater. The stirrer is located at a position between the inlet and the outlet.
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