公开(公告)号：WO2006082007A8

公开(公告)日：2007-08-30

申请号：PCT/EP2006000783

申请日：2006-01-30

Applicant: BASELL POLYOLEFINE GMBH ,  PENZO GIUSEPPE ,  AHMADZADE-YOUSSEFI CYRUS ,  KARER RAINER ,  NIEKEN ULRICH

Inventor： PENZO GIUSEPPE ,  AHMADZADE-YOUSSEFI CYRUS ,  KARER RAINER ,  NIEKEN ULRICH

IPC: C08F2/34 ,  C08F10/02

CPC classification number: C08F10/02 ,  B01J8/0035 ,  B01J8/006 ,  B01J8/24 ,  B01J2208/00274 ,  B01J2208/00761 ,  B01J2219/00006 ,  C08F6/005 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  Y02P20/582 ,  Y10S526/92 ,  C08L23/06 ,  C08L23/0815 ,  C08F4/69 ,  C08F2/34 ,  C08F2/01 ,  C08F210/08 ,  C08F210/14

Abstract: Process for the polymerization of ethylene or of ethylene with further 1 -olefins, in which the ethylene is polymerized in the presence of a catalyst in a gas-phase reactor and reaction gas comprising propane and unpolymerized ethylene is circulated to remove the heat of polymerization, wherein the polymer particles are discharged continuously or discontinuously from the reactor, the polymer particles are separated from the major part of the concomitantly discharged gas and the polymer particles are degassed, the gas is freed of entrained fine particles and is separated from a low-boiling fraction comprising ethylene or from a high boiling fraction containing further 1-olefins or alkanes having from 4 to 12 carbon atoms in a first separation stage, a propane fraction is separated off in a second separation stage and this propane fraction is used for degassing the polymer particles discharged from the reactor, with the proportion of ethylene in the propane fraction being less than 1 mol% and the proportion of 1-olefins and alkanes having from 4 to 12 carbon atoms in the propane fraction being less than 4 mol%, in each case based on the total propane fraction. Furthermore, an apparatus for carrying out the process. In this way, a high heat discharge from the reactor, satisfactory degassing of the discharged polymer particles and recovery of the reaction gas discharged together with the polymer particles and also the gas used for degassing the polymer particles are made possible.

Abstract translation: 乙烯或乙烯与进一步的1-烯烃聚合的方法，其中乙烯在催化剂存在下在气相反应器和包含丙烷和未聚合的乙烯的反应气体中聚合，循环除去聚合热， 其中聚合物颗粒从反应器中连续或不连续地排出，聚合物颗粒与伴随排出气体的主要部分分离，聚合物颗粒脱气，气体不含夹带的细颗粒，并从低沸点 在第一分离阶段，包含乙烯或含有另外的具有4至12个碳原子的1-烯烃或烷烃的高沸点馏分的馏分在第二分离阶段分离出丙烷馏分，该丙烷馏分用于使聚合物脱气 从反应器排出的颗粒，丙烷馏分中乙烯的比例小于1mol ％，丙烷馏分中具有4至12个碳原子的1-烯烃和烷烃的比例小于4摩尔％，基于总丙烷馏分。 此外，一种用于执行该过程的装置。 以这种方式，可以从反应器的高热放电，排出的聚合物颗粒的令人满意的脱气和与聚合物颗粒一起排放的反应气体的回收以及用于使聚合物颗粒脱气的气体成为可能。

公开(公告)号：WO2006007974A1

公开(公告)日：2006-01-26

申请号：PCT/EP2005/007257

申请日：2005-07-04

Applicant: BASELL POLIOLEFINE ITALIA S.P.A. ,  MICHIELIN, Luciano ,  DORINI, Maurizio ,  PENZO, Giuseppe ,  RINALDI, Riccardo

Inventor： MICHIELIN, Luciano ,  DORINI, Maurizio ,  PENZO, Giuseppe ,  RINALDI, Riccardo

IPC: B01J8/24

CPC classification number: B01J8/002 ,  B01J8/003 ,  B01J8/1809 ,  B01J8/20 ,  B01J19/2435 ,  B01J2208/00539 ,  B01J2208/00761 ,  Y10S526/901

Abstract: A method of discharging polymer from a continuously operated polymerization reactor, wherein at least a monomer is polymerized to form polymer particles, the method comprising adjusting the discharge rate of the polymer particles by means of a piston valve having a piston element connected to an actuator, said actuator being able to modulate the piston stroke inside said piston valve.

Abstract translation: 一种从连续操作的聚合反应器中排出聚合物的方法，其中至少单体聚合以形成聚合物颗粒，所述方法包括通过具有连接到致动器的活塞元件的活塞阀来调节聚合物颗粒的排出速率， 所述致动器能够调节所述活塞阀内的活塞行程。

公开(公告)号：WO2004092228A1

公开(公告)日：2004-10-28

申请号：PCT/EP2004/003638

申请日：2004-04-01

Applicant: BASELL POLIOLEFINE ITALIA S.P.A. ,  PENZO, Giuseppe ,  MEI, Gabriele ,  MEIER, Gerben

Inventor： PENZO, Giuseppe ,  MEI, Gabriele ,  MEIER, Gerben

IPC: C08F10/00

CPC classification number: B01J8/1827 ,  B01J8/1872 ,  B01J2208/00256 ,  B01J2208/00274 ,  B01J2208/003 ,  C08F10/00 ,  Y10S526/901 ,  Y10S526/918 ,  C08F2/01 ,  C08F2/34

Abstract: A continuous process for the olefin polymerization in a fluidized bed reactor, said process comprising continuously passing a gaseous stream comprising one or more α-olefin monomers through the fluidized bed in the presence of a polymerization catalyst under reactive conditions, withdrawing polymeric product and unreacted fluids from the reactor, cooling part of said unreacted fluids below the dew point to form a two-phase mixture of gas and condensed liquid and reintroducing said two-phase mixture into the reactor, the process being characterized in that said two­phase mixture is reintroduced under the distribution plate of the reactor so that a part of condensed liquid is separated from the gas and is successively fed above the fluidized bed through an external pipe connecting the bottom of the reactor to a point situated above the upper limit of the fluidized bed of polymer particles.

Abstract translation: 在流化床反应器中烯烃聚合的连续方法，所述方法包括在反应条件下，在聚合催化剂存在下连续地通过包含一种或多种α-烯烃单体的气流通过流化床，萃取聚合物和未反应的流体 将来自反应器的所述未反应流体的一部分冷却至低于露点以形成气体和冷凝液体的两相混合物，并将所述两相混合物重新引入反应器，其特征在于将所述两相混合物重新引入到 分配板，使得一部分冷凝液体与气体分离，并通过将反应器底部连接到位于聚合物颗粒流化床上限之上的点连续地供入到流化床上方 。

公开(公告)号：WO2009080660A1

公开(公告)日：2009-07-02

申请号：PCT/EP2008/067772

申请日：2008-12-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  MAZZUCCO, Antonio ,  RINALDI, Riccardo ,  SOFFRITTI, Silvia ,  BALESTRA, Enrico ,  PENZO, Giuseppe ,  MEI, Gabriele

Inventor： MAZZUCCO, Antonio ,  RINALDI, Riccardo ,  SOFFRITTI, Silvia ,  BALESTRA, Enrico ,  PENZO, Giuseppe ,  MEI, Gabriele

IPC: B01J19/24 ,  C08F10/00

CPC classification number: B01J19/2435 ,  B01J2219/00164 ,  B01J2219/00166 ,  B01J2219/00173 ,  C08F10/00 ,  C08F110/06 ,  C08F210/06 ,  C08F2/34 ,  C08F2/001 ,  C08F2500/05 ,  C08F210/16

Abstract: A process for the gas-phase polymerization of α-olefms carried out in two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, the process being characterized in that: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid stream LB having a composition different from the gaseous mixture present in the riser; (b) the ratio R between the flow rate F p of polymer circulated between said downcomer and said riser and the flow rate LB of said liquid being adjusted in a range from 10 to 50.

Abstract translation: 一种用于在两个相互连接的聚合区中进行的α-烯烃的气相聚合的方法，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入所述 聚合区（降液管），通过它们以致密化形式向下流动，该方法的特征在于：（a）通过引入所述降液管的上部，存在于提升管中的气体混合物被全部或部分地防止进入降液管 具有与提升管中存在的气体混合物不同的组成的液体流LB; （b）在所述降液管和所述提升管之间循环的聚合物的流量Fp与所述液体的流量LB之间的比R调节在10至50的范围内。

公开(公告)号：WO2008015228A2

公开(公告)日：2008-02-07

申请号：PCT/EP2007/057953

申请日：2007-08-01

Applicant: BASELL POLYOLEFINE GMBH ,  BAITA, Pietro ,  PENZO, Giuseppe ,  MEI, Gabriele

Inventor： BAITA, Pietro ,  PENZO, Giuseppe ,  MEI, Gabriele

IPC: C08F6/00 ,  C08F10/00

CPC classification number: B01J8/24 ,  B01J8/003 ,  B01J2219/00006 ,  C08F6/005 ,  C08F6/02 ,  C08F210/16 ,  C08L23/00 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/24

Abstract: A process to perform the finishing of polyolefins produced by gas-phase catalytic polymerization of one or more α-olefms in the presence of a polymerization diluent selected from a C 3 -C 5 alkane, wherein the polyolefm granules discharged from the gas-phase reactor are subjected to: (1) a first degassing step in which said polyolefm is counter-currently contacted with a gaseous stream containing at least 85% by mol of a stripping agent selected from a C 3 -C 5 alkane, said gaseous stream being continuously derived from the monomer recovery section of the polymerization plant; (2) a second degassing step in which said polyolefm is counter-currently contacted with steam, the amount of steam being from 10 to 200 Kg per 1000 kg of polyolefin.

Abstract translation: 在聚合稀释剂存在下进行通过气相催化聚合一种或多种α-烯烃生产的聚烯烃的精制方法，所述聚合稀释剂选自C 3 - 其中从气相反应器排出的聚烯烃颗粒经历：（1）第一脱气步骤，其中所述聚烯烃与包含至少85的气流逆流接触 摩尔％的选自C 3 -C 5链烷烃的汽提剂，所述气体物流连续得自聚合装置的单体回收部分; （2）第二脱气步骤，其中所述聚烯烃与蒸汽逆流接触，蒸汽量为每1000kg聚烯烃10至200Kg。

公开(公告)号：WO2008015228A3

公开(公告)日：2008-04-03

申请号：PCT/EP2007057953

申请日：2007-08-01

Applicant: BASELL POLYOLEFINE GMBH ,  BAITA PIETRO ,  PENZO GIUSEPPE ,  MEI GABRIELE

Inventor： BAITA PIETRO ,  PENZO GIUSEPPE ,  MEI GABRIELE

IPC: C08F6/00 ,  C08F10/00

CPC classification number: B01J8/24 ,  B01J8/003 ,  B01J2219/00006 ,  C08F6/005 ,  C08F6/02 ,  C08F210/16 ,  C08L23/00 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/24

Abstract: A process to perform the finishing of polyolefins produced by gas-phase catalytic polymerization of one or more a-olefms in the presence of a polymerization diluent selected from a C 3 -C 5 alkane, wherein the polyolefm granules discharged from the gas-phase reactor are subjected to: (1) a first degassing step in which said polyolefm is counter-currently contacted with a gaseous stream containing at least 85% by mol of a stripping agent selected from a C 3 -C 5 alkane, said gaseous stream being continuously derived from the monomer recovery section of the polymerization plant; (2) a second degassing step in which said polyolefm is counter-currently contacted with steam, the amount of steam being from 10 to 200 Kg per 1000 kg of polyolefin.

Abstract translation: 一种在选自C 3 -C 5 O 3的聚合稀释剂的存在下，通过一种或多种α-烯烃的气相催化聚合制备的聚烯烃的精制方法 烷烃，其中从气相反应器排出的聚烯烃颗粒经受：（1）第一脱气步骤，其中所述聚烯烃与包含至少85摩尔％选择的汽提剂的气流反向接触 来自C 3 -C 5烷烃，所述气流连续地衍生自聚合装置的单体回收部分; （2）第二脱气步骤，其中所述聚烯烃与蒸汽反向接触，每1000kg聚烯烃的蒸汽量为10-200Kg。

公开(公告)号：WO2007071527A1

公开(公告)日：2007-06-28

申请号：PCT/EP2006/068935

申请日：2006-11-27

Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  PENZO, Giuseppe ,  RINALDI, Roberto

Inventor： PENZO, Giuseppe ,  RINALDI, Roberto

IPC: B01J3/00 ,  B01J8/00 ,  C08F6/26 ,  C08F10/00

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.

Abstract translation: 一种用于在流化床反应器中在聚合催化剂存在下聚合一种或多种α-烯烃的气相方法，所述流化床反应器配备有布置在其底部的流化栅格，以及用于再循环和冷却未反应的外部装置 气体从所述反应器的顶部到所述流化栅格，所述方法的特征在于：（i）通过将所述流化栅格连接到流化床反应器的上部区域的循环回路连续气动循环聚合物; （ii）从聚合物浓度高于流化聚合物床内的聚合物浓度的所述循环回路的区域连续排出聚合物。

公开(公告)号：WO2004000891A1

公开(公告)日：2003-12-31

申请号：PCT/EP2003/006351

申请日：2003-06-17

Applicant: BASELL POLIOLEFINE ITALIA S.P.A. ,  BIGIAVI, Daniele ,  ARICH DE FINETTI, Nicolò ,  MEI, Gabriele ,  PENZO, Giuseppe ,  COVEZZI, Massimo ,  BAITA, Pietro ,  TONTI, Maria, Silvia

Inventor： BIGIAVI, Daniele ,  ARICH DE FINETTI, Nicolò ,  MEI, Gabriele ,  PENZO, Giuseppe ,  COVEZZI, Massimo ,  BAITA, Pietro ,  TONTI, Maria, Silvia

IPC: C08F6/00

CPC classification number: C08F6/003 ,  B01J2219/00006 ,  B01J2219/0004 ,  Y02P20/544 ,  C08L23/20

Abstract: Method for continuously removing the unreacted butene-1, and optionally other volatile components, from a polymeric solution obtained by liquid phase (co)polymerization of butene-1, the method comprising the steps of: subjecting the polymeric solution to heating and mixing conditions such that a mixture is formed consisting substantially of: (1) a polybutene melt containing entrapped butene-1 and (2) supercritical gaseous butene-1; subjecting the above mixture to a sequence of devolatilization steps operating at decreasing pressures.

Abstract translation: 从通过丁烯-1的液相（共）聚合获得的聚合物溶液中连续除去未反应的丁烯-1和任选的其它挥发性组分的方法，该方法包括以下步骤：将聚合物溶液加热和混合条件如 形成的混合物基本上由以下组成：（1）含有截留的丁烯-1和（2）超临界气态丁烯-1的聚丁烯熔体; 使上述混合物经历在降低的压力下操作的一系列脱挥发分步骤。

公开(公告)号：WO1995022565A1

公开(公告)日：1995-08-24

申请号：PCT/EP1995000544

申请日：1995-02-15

Applicant: SPHERILENE S.R.L. ,  HIMONT INCORPORATED ,  GOVONI, Gabriele ,  RINALDI, Roberto ,  PENZO, Giuseppe

Inventor： SPHERILENE S.R.L. ,  HIMONT INCORPORATED

IPC: C08F02/34

CPC classification number: C08F10/00 ,  B01J8/0015 ,  B01J8/26 ,  Y10S526/901 ,  C08F2/001 ,  C08F2/34

Abstract: Continuous process for the gas phase polymerization of one or more olefins CH2=CHR, carried out in one or more fluidised-bed reactors comprising a polymerization zone and a gas velocity reduction zone situated above the bed. The fluidised bed reactor is joined to a gas recycle line, which include at least a compressor and at least a cooling device, by means of which the gas exiting at the top of the reactor is compressed, cooled and again sent to the reactor at a point below the reaction zone. The process is characterized by the fact that the make-up monomer or monomers are directly sent to the fluidised bed reactor in one or more points above the fluidised bed.

Abstract translation: 在一个或多个流化床反应器中进行的一种或多种烯烃CH 2 = CHR的气相聚合的连续方法，包括聚合区和位于床上方的气体降速区。 流化床反应器连接到气体再循环管线，气体再循环管线至少包括一个压缩机和至少一个冷却装置，通过该冷却装置，在反应器顶部排出的气体被压缩，冷却并再次以一个 低于反应区。 该方法的特征在于，化妆单体或单体在流化床上方的一个或多个点处直接送入流化床反应器。

公开(公告)号：WO2008080782A1

公开(公告)日：2008-07-10

申请号：PCT/EP2007/063783

申请日：2007-12-12

Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  PENZO, Giuseppe ,  RINALDI, Roberto

Inventor： PENZO, Giuseppe ,  RINALDI, Roberto

IPC: C08F6/00 ,  C08F6/02

CPC classification number: C08F6/005 ,  C08F6/02 ,  C08L23/00

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: 对通过聚合一种或多种α-烯烃制备的聚烯烃进行精加工的方法，该方法包括：（1）使从聚合反应器排出的聚烯烃与逆流的饱和蒸汽接触，以剥离 来自所述聚烯烃的气体并在所述聚烯烃颗粒上形成冷凝蒸汽; （2）通过干燥惰性气体的逆流干燥聚烯烃颗粒，所述干燥惰性气体流将聚烯烃颗粒保持在流化条件下，冷凝聚乙烯的所述冷凝蒸汽的蒸发。