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1. 发明申请

WO2018210780A1 FLUIDIZED-BED REACTOR HAVING MULTIPLE RECYCLE GAS INLET NOZZLES 审中-公开
公开(公告)号：WO2018210780A1
公开(公告)日：2018-11-22
申请号：PCT/EP2018/062433
申请日：2018-05-15
申请人： BASELL POLYOLEFINE GMBH
发明人： AZZARELLO, Emanuele , MEI, Gabriele , MEI, Giulia , PENZO, Giuseppe , PESARE, Rosario
IPC分类号： B01J8/18 , B01J8/24 , B01J8/44 , B01J8/00
摘要： Fluidized-bed reactor for the gas-phase polymerization of olefins comprising a gas distribution grid installed in a lower part of the fluidized-bed reactor and a gas recycle line, which is equipped with a compressor and a heat exchanger and which is connected at the upper end with the top of the fluidized-bed reactor, wherein the gas recycle line splits at the lower end in at least two substantially horizontal branches which are connected tangentially with the fluidized-bed reactor below the gas distribution grid and a process for preparing an olefin polymer carried out in the fluidized-bed reactor.

2. 发明申请

WO2021116156A1 APPARATUS AND PROCESS FOR THE GAS-PHASE POLYMERIZATION 审中-公开
公开(公告)号：WO2021116156A1
公开(公告)日：2021-06-17
申请号：PCT/EP2020/085233
申请日：2020-12-09
申请人： BASELL POLYOLEFINE GMBH
发明人： MEI, Giulia , PENZO, Giuseppe , RINALDI, Riccardo , AZZARELLO, Emanuele , PESARE, Rosario
IPC分类号： B01J8/00 , B01J19/24
摘要： An apparatus for carrying out a gas-phase olefin polymerization comprising a first polymerization comprising a cylindrical segment of diameter D01, a second polymerization zone comprising an upper part of diameter D05 and a lower part of diameter D06, a separation zone of diameter D04, a first connecting element of diameter D03 which is a bend of radius R03 or comprises a bend part of radius R03, a gas recycle line having a diameter D08, transition segment of diameter D02, and a second connecting element of a diameter D09 which is a bend or comprises a bend part, wherein the ratio D04 to D05 is 1.0 to 1.5, the ratio D05 to D06 is 1.2 to 2, the ratio R03 to D03 is 1 to 6, the ratio D03 to D01 is 0.3 to 0.85, and the ratio D08a to D02 is 1.0 to 2.2.

3. 发明申请

WO2021155977A1 APPARATUS AND PROCESS FOR THE GAS-PHASE POLYMERIZATION 审中-公开
公开(公告)号：WO2021155977A1
公开(公告)日：2021-08-12
申请号：PCT/EP2020/085237
申请日：2020-12-09
申请人： BASELL POLYOLEFINE GMBH
发明人： PENZO, Giuseppe , DORINI, Maurizio , RINALDI, Riccardo , SOFFRITTI, Silvia , MEI, Giulia
IPC分类号： B01J8/00 , B01J19/24
摘要： Apparatus for carrying out a catalytic gas-phase olefin polymerization comprising a first polymerization zone for growing polymer particles to flow upward under fast fluidization or transport conditions, a second polymerization zone for the growing polymer particles to flow downward, and a gas/solid separation zone; wherein the second polymerization zone has an upper part being connected to the separation zone and a lower part being connected to the upper part; wherein the ratio of the height H01 of the separation zone to the diameter D01 of the separation zone is 2.5 to 4.5; and process for carrying out a catalytic gas-phase olefin polymerization in the apparatus.

4. 发明申请

WO2019025560A1 POLYMERIZATION PROCESS INCLUDING DISCHARGING POLYOLEFIN PARTICLES FROM A GAS-PHASE POLYMERIZATION REACTOR 审中-公开
公开(公告)号：WO2019025560A1
公开(公告)日：2019-02-07
申请号：PCT/EP2018/071031
申请日：2018-08-02
申请人： BASELL POLYOLEFINE GMBH
发明人： MEI, Gabriele , MEI, Giulia , PENZO, Giuseppe
IPC分类号： C08F2/34 , C08F10/00 , C08F2/01
摘要： A process for preparing an olefin polymer, comprising the steps of forming a particulate olefin polymer in a gas-phase polymerization reactor in the presence of a C 3 -C 5 alkane as polymerization diluent, separating discharged polyolefin particles from concomitantly discharged gas at a pressure from 1 to 2.2 MPa, degassing the polyolefin particles at a pressure from 0.1 to 0.4 MPa with a gas comprising a C 3 -C 5 alkane; and transferring the separated gas and the gas from the degassing to a work-up unit operated at a pressure from 0.001 to 0.2 MPa below the pressure of the separation, wherein the gas for degassing is continuously received from the work-up unit.

5. 发明申请

WO2019002100A1 PELLET DRYING AND DEGASSING METHOD 审中-公开
公开(公告)号：WO2019002100A1
公开(公告)日：2019-01-03
申请号：PCT/EP2018/066666
申请日：2018-06-21
申请人： BASELL POLYOLEFINE GMBH
发明人： MEI, Giulia , MOHRBUTTER, Juergen , LITTMANN, Dieter , WOLF, Christoph , FINETTE, Andre-Armand , DEUERLING, Michael , PENZO, Giuseppe
IPC分类号： B29B9/16 , F26B17/22 , F26B17/14 , F26B3/16 , B29B9/06 , B29K105/00 , B29B13/06 , F26B17/00 , B29K23/00
摘要： Method for the preparation of dried polymer pellets in a facility having a dryer with a first chamber and a mechanical agitator, and the facility further having a degassing silo with a second chamber, the method comprises guiding a drying gas flow comprising a first gas mixture for drying wet polymer pellets into the first chamber, transferring the dried polymer pellets into the second chamber, guiding a second gas mixture for degassing the dried polymer pellets into the second chamber thereby transforming the second gas mixture into a third gas mixture and guiding a portion of the third gas mixture into the first chamber; and process for manufacturing LDPE pellets using the aforementioned method.

6. 发明申请

WO2017013171A1 HIGH-PRESSURE POLYMERIZATION PROCESS OF ETHYLENICALLY UNSATURATED MONOMERS IN A TUBULAR REACTOR 审中-公开
标题翻译：管状反应器中乙烯基不饱和单体的高压聚合方法
公开(公告)号：WO2017013171A1
公开(公告)日：2017-01-26
申请号：PCT/EP2016/067290
申请日：2016-07-20
申请人： BASELL POLYOLEFINE GMBH
发明人： LITTMANN, Dieter , MOHRBUTTER, Juergen , MEI, Giulia , FINETTE, Andre-Armand , WOLFRAM, Sven , DEUERLING, Michael , KHAYRULLIN, Danir , GROOS, Georg , WOLF, Christoph
IPC分类号： C08F2/01 , C08F2/34
CPC分类号： C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
摘要： A process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C to 350° C and pressures in the range from 80 MPa to 340 MPa with a specific reactor surface area A sp of 2m 2 /(t/h) to 5.5 m 2 /(t/h) and the tubular reactor has a specific ratio RD sp of from 0.0050 MPa -1 to 0.0069 MPa -1 and an inner surface which has a surface roughness Ra of 2 µm or less.
摘要翻译：一种在自由基聚合引发剂存在下聚合或共聚烯属不饱和单体的方法，其中聚合在连续操作的管式反应器中在100℃至350℃的温度下进行，压力范围为80MPa至 340MPa，特定反应器表面积Asp为2m 2 /（t / h）至5.5m 2 /（t / h），并且管式反应器具有0.0050MPa -1至0.0069MPa -1的比RDDS，其表面粗糙度Ra为2μm以下。

7. 发明申请

WO2014095708A1 PROCESS FOR COPOLYMERIZING ETHYLENE AND ESTERS OF VINYL ALCOHOL 审中-公开
标题翻译：乙烯醇和乙烯醇共聚合方法
公开(公告)号：WO2014095708A1
公开(公告)日：2014-06-26
申请号：PCT/EP2013/076683
申请日：2013-12-16
申请人： BASELL POLYOLEFINE GMBH
发明人： FINETTE, Andre-Armand , WOLF, Christoph , KHAYRULLIN, Danir , MEI, Giulia , MOHRBUTTER, Juergen , LITTMANN, Dieter
IPC分类号： C08F210/02 , C08F2/00 , C07C67/54
CPC分类号： C08F210/02 , C08F2/00 , C08F218/08
摘要： Process for copolymerizing ethylene and esters of vinyl alcohol in the presence of free-radical polymerization initiators at pressures in the range of from 110 MPa to 500 MPa and temperatures in the range of from 100°C to 350°C in a continuously operated polymerization apparatus comprising a polymerization reactor and one or more compressors, which compress the monomer mixture fed to the polymerization reactor to the polymerization pressure, wherein the monomer mixture is compressed by a sequence of compression stages in which the compressed gas mixture is cooled after each compression stage and the fraction of the monomer mixture, which is liquid after this cooling, is separated off and returned to the polymerization apparatus in liquid form, and wherein at least a part of the liquid fractions obtained after compressing the monomer mixture in the respective compression stage to a pressure of from 0.2 MPa to 10 MPa is purified before being returned to the polymerization process.
摘要翻译：在自由基聚合引发剂的存在下，在连续操作的聚合装置中在110MPa至500MPa的范围内和在100℃至350℃的温度范围内共聚乙烯和乙烯醇的酯的方法包括聚合反应器和一个或多个压缩机，其将进料到聚合反应器的单体混合物压缩至聚合压力，其中单体混合物通过一系列压缩阶段压缩，其中压缩气体混合物在每个压缩阶段之后被冷却，在该冷却后液体的单体混合物的分数被分离出并返回到液体形式的聚合装置中，并且其中在各个压缩阶段将单体混合物压缩后获得的至少一部分液体馏分为在返回到聚合过程之前，将0.2MPa至10MPa的压力进行纯化。

8. 发明申请

WO2013083548A2 MULTISTAGE PROCESS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
标题翻译：烯烃聚合的多步法
公开(公告)号：WO2013083548A2
公开(公告)日：2013-06-13
申请号：PCT/EP2012/074324
申请日：2012-12-04
申请人： BASELL POLYOLEFINE GMBH
发明人： COVEZZI, Massimo , PENZO, Giuseppe , MEI, Gabriele , MEI, Giulia , BAITA, Pietro , MEIER, Gerhardus , DE LUCIA, Antonio , SCHUELLER, Ulf , FERRARO, Gianpiero
IPC分类号： C08F10/00
CPC分类号： C08F110/02 , C08F2/001 , C08F2/34 , C08F10/00 , C08F10/02 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F2/00 , C08F2/01
摘要： 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.
摘要翻译：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中在至少两个串联连接的气相聚合反应器中进行的烯烃的多级聚合中的方法，其中第一气相反应器是流化床反应器，其包括气体分配格栅和沉降管，沉降管与其上部开口一体形成分配格栅并且包含聚合物颗粒床，所述聚合物颗粒床从沉降管的顶部移动到底部所述方法包括以下步骤：将流体引入沉降管中的量为在流体引入点上方的聚烯烃颗粒床中引起流体的向上流; 从沉降管的下端排出聚烯烃颗粒; 和将取出的聚烯烃颗粒转移到第二气相聚合反应器中的方法，包括这种转移聚烯烃颗粒的方法的烯烃聚合方法，适合作为烯烃聚合方法中的第一气相聚合反应器的反应器以及从一个流化床反应器。

9. 发明申请

WO2022063752A1 VESSEL SYSTEM FOR PRE ACTIVATING A SOLID CATALYS AND METHOD THEREOF 审中-公开
公开(公告)号：WO2022063752A1
公开(公告)日：2022-03-31
申请号：PCT/EP2021/075885
申请日：2021-09-21
申请人： BASELL POLYOLEFINE GMBH
发明人： CAPUTO, Tiziana , BAITA, Pietro , DI DIEGO, Maria , MARTURANO, Lorella , MAZZUCCO, Antonio , MEI, Gabriele , MEI, Giulia , PICA, Roberta
IPC分类号： B01J8/10 , B01J19/00 , C08F10/00
摘要： An apparatus for polymerizing olefins comprising 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 comprising a contacting vessel comprising a main portion, an inlet and an outlet, and comprising one or more stirring means 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 and each of the stirring means is located at a position between the inlet and the outlet; and a process for preparing a pre-activated solid catalyst component for use in the polymerization of 1-olefins.

10. 发明申请

WO2020127098A1 GAS-PHASE PROCESS FOR PREPARING ETHYLENE POLYMERS 审中-公开
公开(公告)号：WO2020127098A1
公开(公告)日：2020-06-25
申请号：PCT/EP2019/085422
申请日：2019-12-16
申请人： BASELL POLYOLEFINE GMBH
发明人： PENZO, Giuseppe , MEIER, Gerhardus , SCHUELLER, Ulf , BAITA, Pietro , MEI, Giulia , DAMM, Elke
IPC分类号： C08F2/01 , C08F2/34 , C08F210/16 , C07C7/00 , C07C7/04 , C07C7/12 , C07C7/163 , C08F210/14
摘要： A process for preparation of an ethylene polymer in a gas-phase polymerization unit comprising at least one gas-phase polymerization reactor by homopolymerizing ethylene or copolymerizing ethylene and one or more C 4 -C 12 -1-alkenes in a reaction gas comprising propane as polymerization diluent in the presence of a pre-activated polymerization catalyst, wherein a purified propane feed stream comprising at least 99 mol% propane and comprising from 0..1 to 100 ppm mol propylene is fed to the gas-phase polymerization unit.

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