公开(公告)号：WO2016156185A1

公开(公告)日：2016-10-06

申请号：PCT/EP2016/056507

申请日：2016-03-24

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  KANELLOPOULOS, Vasileios ,  KRALLIS, Apostolos ,  SLEIJSTER, Henry ,  ZITTING, Samuli

IPC: B01D3/06 ,  C08F6/00

CPC classification number: C08F6/003 ,  B01D1/16 ,  B01D3/06 ,  C08L23/08

Abstract: The present invention is directed to a process for separating hydrocarbons from a solution comprising a polymer. The process comprises the steps of: (A) withdrawing a solution stream comprising the polymer from a first vessel; (B) passing the solution stream into a flash vessel; (C) spraying the solution stream into droplets in the first flash vessel thereby establishing a stream of droplets within the flash vessel. The solution forms a downwards falling film within the flash vessel.

Abstract translation: 本发明涉及从包含聚合物的溶液中分离烃的方法。 该方法包括以下步骤：（A）从第一容器中取出包含聚合物的溶液流; （B）将溶液流送入闪蒸容器; （C）将溶液流喷射到第一闪蒸容器中的液滴中，从而在闪蒸容器内形成液滴流。 溶液在闪光容器内形成向下的降膜。

公开(公告)号：WO2023031201A1

公开(公告)日：2023-03-09

申请号：PCT/EP2022/074089

申请日：2022-08-30

Applicant: BOREALIS AG

Inventor： KUUSISTO, Mika ,  ZITTING, Samuli ,  ELOVAINIO, Erno ,  LYLYKANGAS, Mikko ,  MATIKAINEN, Pasi

IPC: B01J8/18 ,  B01J8/24 ,  B01J19/18 ,  C08F10/00 ,  C08F8/00

Abstract: A gas phase polymerization assembly comprising a gas phase polymerization reactor having at least one inlet and at least one outlet, a circulation gas compression unit having an inlet and an outlet, whereby the inlet of the circulation gas compression unit is fluidly connected to the at least one outlet of the gas phase polymerization reactor by an unreacted gas line; a flush gas compression unit having an inlet and an outlet, wherein the inlet of the flush gas compression unit is fluidly connected to the outlet of the circulation gas compression unit by a pressurized unreacted gas line; a circulation line fluidly connecting the pressurized unreacted gas line with the at least one inlet of the gas phase polymerization reactor; a flush gas withdrawal line connected to the outlet of the flush gas compression unit.

公开(公告)号：WO2017108963A1

公开(公告)日：2017-06-29

申请号：PCT/EP2016/082199

申请日：2016-12-21

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  ERIKSSON, Erik ,  MATHIVANAN, Guhan ,  SLEIJSTER, Henry ,  VIJAY, Sameer ,  WURNITSCH, Christof ,  ZITTING, Samuli

IPC: C08F2/06 ,  C08F6/00 ,  C08J11/02 ,  C08F6/12

CPC classification number: C08F6/003 ,  C08F2/06 ,  C08F6/12 ,  C08L23/00

Abstract: The present invention relates to a process for producing a polymer composition comprising the steps of: (A) polymerising, in a first polymerisation reactor in a first solvent, - a first olefin monomer having two or more carbon atoms, - in the presence of a first polymerisation catalyst for producing a first solution comprising a first polymer of the first olefin monomer and the first solvent; (B) withdrawing a first stream of the first solution from the first polymerisation reactor; (C) passing the first stream of the first solution into a first separator wherein a first liquid phase comprising the polymer and a first vapour phase coexist; (D) withdrawing a first vapour stream and a first concentrated solution stream comprising the polymer from the first separator; (E) passing at least a part of the first vapour stream to a first fractionator; (F) withdrawing a first overhead stream and a first bottom stream from the first fractionator; (G) recovering at least a part of the first overhead stream as a first recycle stream and passing it to the first polymerisation reactor; (H) passing the first concentrated solution stream from the first separator (4) to a second separator (8) wherein a second liquid phase comprising the polymer and a second vapour phase coexist; (I) withdrawing a second vapour stream and a second concentrated solution stream comprising the polymer from the second separator; (J) passing at least a part of the second vapour stream to a second fractionator; (K) withdrawing a second overhead stream and a second bottom stream from the second fractionator; (L) recovering at least a part of the second overhead stream as a second recycle stream and passing it to the first polymerisation reactor; (M) passing the second concentrated solution stream from the second separator to a third separator wherein a third liquid phase comprising the polymer and a third vapour phase coexist; characterised in that the mass flow rate of the first recycle stream is at least 80 % of the mass flow rate of the first vapour stream and the mass flow rate of the second recycle stream is at least 70 % of the mass flow rate of the second vapour stream.

Abstract translation: 本发明涉及生产聚合物组合物的方法，其包括以下步骤：（A）在第一聚合反应器中在第一溶剂中聚合 - 具有两个或更多个碳的第一烯烃单体 原子 - 在用于制备包含第一烯烃单体的第一聚合物和第一溶剂的第一溶液的第一聚合催化剂存在下进行; （B）从第一聚合反应器中取出第一种第一溶液流; （C）将所述第一溶液的第一流通入第一分离器，其中包含所述聚合物和第一气相的第一液相共存; （D）从第一分离器中取出包含聚合物的第一蒸气流和第一浓缩溶液流; （E）将第一蒸气流的至少一部分通入第一分馏器; （F）从第一分馏器中抽出第一顶部料流和第一底部料流; （G）回收至少一部分第一塔顶馏出物物流作为第一再循环物流并将其通入第一聚合反应器; （H）将来自第一分离器（4）的第一浓缩溶液流送至第二分离器（8），其中包含聚合物和第二蒸汽相的第二液相共存; （I）从第二分离器中取出第二蒸气流和包含聚合物的第二浓缩溶液流; （J）将第二蒸气流的至少一部分传送到第二分馏器; （K）从第二分馏器中取出第二塔顶料流和第二塔底料流; （L）回收作为第二循环物流的至少一部分第二塔顶馏出物料流并将其通入第一聚合反应器; （M）将来自第二分离器的第二浓缩溶液流送入第三分离器，其中包含聚合物和第三蒸汽相的第三液相共存; 其特征在于，所述第一再循环流的质量流率为所述第一蒸气流的质量流率的至少80％，并且所述第二再循环流的质量流率为所述第二再循环流的质量流率的至少70％ 蒸气流。

公开(公告)号：WO2017108951A1

公开(公告)日：2017-06-29

申请号：PCT/EP2016/082184

申请日：2016-12-21

Applicant: BOREALIS AG

Inventor： SLEIJSTER, Henry ,  AL-HAJ ALI, Mohammad ,  RÄSÄNEN, Jukka ,  ZITTING, Samuli ,  BERGSTRA, Michiel ,  ERIKSSON, Erik ,  WURNITSCH, Christof ,  MATHIVANAN, Guhan ,  VIJAY, Sameer ,  KANELLOPOULOS, Vasileios ,  AHO, Jani ,  TAKAKARHU, Jouni

IPC: C08F2/00 ,  C08F2/06 ,  C08F6/00 ,  C08F6/12 ,  C08J11/02

CPC classification number: C08F6/003 ,  C08F2/001 ,  C08F2/06 ,  C08F6/12 ,  C08J11/02 ,  Y02P20/582 ,  C08L23/00

Abstract: An in-line blending process for polymers comprising: (a) providing two or more reactor-low pressure separator units (1,7) in parallel configuration, each reactor-low pressure separator unit comprising one reactor (2,8) fluidly connected to one low pressure separator (3,9) downstream and further a recycling line (5,11) connecting the low pressure separator (3,9) back to the corresponding reactor (2,8); (b) polymerizing olefin monomers having two or more carbon atoms in each of the reactors (2,8) in solution polymerisation; (c) forming an unreduced reactor effluents stream including a homogenous fluid phase polymer-monomer-solvent mixture in each of the reactors (2,8), (d) passing the unreduced reactor effluents streams from each of the reactors (2,8) through the corresponding low pressure separators (3,9), whereby the temperature and pressure of the low pressure separators (3,9) is adjusted such that a liquid phase and a vapour phase are obtained, whereby yielding a polymer-enriched liquid phase and a polymer-lean vapour phase, and (e) separating the polymer-lean vapour phase from the polymer- enriched liquid phase in each of the low-pressure separators (3,9) to form separated polymer-lean vapour streams and separated polymer-enriched liquid streams; (f) combining the polymer-enriched liquid streams from step (e) in a further low-pressure separator and/or a mixer (13) to produce a combined polymer-enriched liquid stream (16); (g) reintroducing the polymer-lean vapour streams from step (e) via recycling lines (5,11) into the corresponding reactors (2,8).

Abstract translation: 一种用于聚合物的在线共混方法，其包括：（a）提供两个或多个处于并联结构的反应器 - 低压分离器单元（1,7），每个反应器 - 低压分离器单元包括一个反应器 （2,8）流体地连接到下游的一个低压分离器（3,9），并且还包括将低压分离器（3,9）连接回到相应的反应器（2,8）的再循环管线（5,11）; （b）在溶液聚合中在每个反应器（2,8）中聚合具有两个或更多个碳原子的烯烃单体; （c）在每个反应器（2,8）中形成包含均相流体相聚合物 - 单体 - 溶剂混合物的未还原的反应器流出物流，（d）使来自每个反应器（2,8）的未还原的反应器流出物流通过， 通过相应的低压分离器（3,9），由此调节低压分离器（3,9）的温度和压力，从而获得液相和气相，由此产生富含聚合物的液相并且 贫聚合物汽相和（e）在每个低压分离器（3,9）中将贫聚合物汽相与富聚合物液相分离以形成分离的贫聚合物蒸汽流和分离的聚合物 - 富集液体流; （f）在另外的低压分离器和/或混合器（13）中合并来自步骤（e）的富含聚合物的液体流以产生合并的富含聚合物的液体流（16）; （g）通过循环管线（5,11）将来自步骤（e）的贫聚合物蒸气流再次引入相应的反应器（2,8）中。

公开(公告)号：WO2022111966A1

公开(公告)日：2022-06-02

申请号：PCT/EP2021/080598

申请日：2021-11-04

Applicant: BOREALIS AG

Inventor： NYFORS, Klaus ,  KIVELÄ, Jouni ,  SATTAR, Mubashar ,  ZITTING, Samuli ,  ELOVAINIO, Erno ,  LYLYKANGAS, Mikko ,  LINDHOLM, Jan ,  COX, Danny

IPC: B01J8/00

Abstract: The present invention relates to a process for feeding a polymerization catalyst into a polymerization reactor, said process comprising the steps of: (i) forming a catalyst slurry comprising oil and a solid catalyst component in a first catalyst preparation vessel; (ii) transferring the catalyst slurry from the first catalyst preparation vessel to a first catalyst feed vessel; (iii) maintaining the catalyst slurry in the first catalyst feed vessel in a homogeneous state; (iv) withdrawing a portion of the catalyst slurry from the first catalyst feed vessel, preferably continuously withdrawing the catalyst slurry from the first catalyst feed vessel, and introducing the withdrawn portion of the catalyst slurry into a polymerization reactor; wherein the oil has a dynamic viscosity of from 25 to 1500 mPa*s at the conditions within the first catalyst preparation vessel and the first catalyst feed vessel, wherein the catalyst slurry is transferred along a substantially vertical path downwards from the first catalyst feed vessel to the reactor.

公开(公告)号：WO2019162448A1

公开(公告)日：2019-08-29

申请号：PCT/EP2019/054457

申请日：2019-02-22

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  AJELLAL, Noureddine ,  KANELLOPOULOS, Vasileios ,  SLEIJSTER, Henry ,  ZITTING, Samuli ,  SAEED, Irfan

IPC: B01J8/00 ,  C08F2/01 ,  C08F2/06 ,  C08F10/02

Abstract: The invention provides process for separating hydrogen from a fluid feed stream in a polymerisation process, comprising the steps i) polymerising an olefin monomer and optionally at least one olefin comonomer in the presence of a solvent, optionally in the presence of hydrogen, so as to form a polymerisation reaction mixture comprising a polyolefin polymer, unreacted monomer(s), solvent andhydrogen; ii) separating said polyolefin polymer from said unreacted monomer(s), solvent and hydrogen, and optionally feeding said unreacted monomer(s), solvent and hydrogen to a heat exchanger,so as to produce said fluid feed stream comprising unreacted monomer(s), solvent and hydrogen; and iii) contacting said fluid feed stream with a heterogeneous hydrogenation catalyst so as to form a hydrogen-lean fluid stream.

公开(公告)号：WO2017194488A1

公开(公告)日：2017-11-16

申请号：PCT/EP2017/060968

申请日：2017-05-09

Applicant: BOREALIS AG

Inventor： RÄSÄNEN, Jukka ,  ZITTING, Samuli ,  SLEIJSTER, Henry ,  BERGSTRA, Michiel ,  VIJAY, Sameer

IPC: B29B9/06 ,  B29B9/12 ,  B29B9/16 ,  F26B17/00

CPC classification number: B29B9/16 ,  B29B9/065 ,  B29B9/12 ,  B29B2009/163 ,  B29K2023/06 ,  B29K2023/12 ,  F26B17/00

Abstract: Process for hydraulic conveying of polyolefin pellets comprising the steps of: (i) extruding molten polyolefin into strands and cutting the strands into pellets in an underwater pelletiser (A); (ii) withdrawing a first pellet suspension stream (1.1) from the pelletiser; (iii) concentrating the first pellet suspension stream in a first pellet separator (B); (iv) passing the concentrated pellet stream (1.4) to a hydraulic conveying line through a first vessel (D) and mixing it with water thereby producing a second pellet suspension stream (1.5); (v) withdrawing the second pellet suspension stream from the first vessel and passing it to a second pellet separator (E); (vi) separating the pellets from water in the second pellet separator thereby creating a second water stream (1.6) and a dry pellet stream (1.10) and passing the second water stream back to the first vessel; wherein any one of the first or second pellet suspension stream or the dry pellet stream comprises an antiblock.

Abstract translation: 聚合物粒料的水力输送方法包括以下步骤：（i）将熔融聚烯烃挤出成股，并在水下造粒机（A）中将股绳切成粒料; （ii）从造粒机中取出第一颗粒悬浮液流（1.1）; （iii）将第一颗粒悬浮液流浓缩在第一颗粒分离器（B）中; （iv）通过第一容器（D）将浓缩的粒料流（1.4）传送至液压输送管线并将其与水混合，从而产生第二粒料悬浮液流（1.5）; （v）从第一容器中取出第二颗粒悬浮液流并将其送入第二颗粒分离器（E）; （vi）将颗粒与第二颗粒分离器中的水分离，由此产生第二水流（1.6）和干颗粒流（1.10）并使第二水流返回第一容器; 其中第一或第二颗粒悬浮液料流或干颗粒料流中的任何一个包含防粘连剂。

公开(公告)号：WO2017108969A1

公开(公告)日：2017-06-29

申请号：PCT/EP2016/082207

申请日：2016-12-21

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  BERGSTRA, Michiel ,  ERIKSSON, Erik ,  MATHIVANAN, Guhan ,  RÄSÄNEN, Jukka ,  SLEIJSTER, Henry ,  VIJAY, Sameer ,  WURNITSCH, Christof ,  ZITTING, Samuli ,  KANELLOPOULOS, Vasileios ,  AHO, Jani

IPC: C08F2/06 ,  C08F6/00 ,  C08F6/12 ,  C08J11/02 ,  C08F2/00

CPC classification number: C08F6/003 ,  C08F2/001 ,  C08F2/06 ,  C08F6/12 ,  C08J11/02 ,  Y02P20/582 ,  C08L23/00

Abstract: The present invention deals with a process for polymerising olefins in a solution and withdrawing a stream of the solution from the polymerisation reactor and passing it to a sequence of heating steps. The heated solution is passed to a separation step, which is conducted at a pressure of no more than 15 bar and in which separation step a liquid phase comprising the polymer and a vapour phase coexist. A vapour stream and a concentrated solution stream comprising the polymer are withdrawn from the separation step. At least a part of the vapour stream is passed to the first polymerisation reactor, to the second polymerisation reactor or to both.

Abstract translation: 本发明涉及在溶液中聚合烯烃并从聚合反应器中取出溶液流并将其送入一系列加热步骤的方法。 将加热后的溶液通入分离步骤，分离步骤在不超过15巴的压力下进行，并且在分离步骤中将包含聚合物和气相的液相共存。 从分离步骤中取出蒸气流和包含聚合物的浓缩溶液流。 至少一部分蒸气流被传送到第一聚合反应器，第二聚合反应器或两者。

公开(公告)号：WO2019110316A1

公开(公告)日：2019-06-13

申请号：PCT/EP2018/082173

申请日：2018-11-22

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  ERIKSSON, Erik ,  MATHIVANAN, Guhan ,  RÄSÄNEN, Jukka ,  SLEIJSTER, Henry ,  VIJAY, Sameer ,  ZITTING, Samuli

IPC: C08F2/06 ,  C08F6/00

Abstract: The present invention relates to a process for removing hydrocarbons comprising the steps of: (A) passing a stream of a solution into a separator wherein a liquid phase comprising polymer and a vapour phase coexist; (B) withdrawing a vapour stream and a concentrated solution stream from the separator; (C) passing at least a part of the vapour stream into a first fractionator; (D) withdrawing a first overhead stream and a first bottom stream from the first fractionator; (E) passing the first overhead stream to a second fractionator; (F) withdrawing a second overhead stream and a second bottom stream from the second fractionator; (G) passing the second overhead stream to a third fractionator; (H) withdrawing a third overhead stream and a third bottom stream from the third fractionator; characterised in that at least a part of the third bottom stream is withdrawn as a purge stream.

公开(公告)号：WO2019110315A1

公开(公告)日：2019-06-13

申请号：PCT/EP2018/082172

申请日：2018-11-22

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  ERIKSSON, Erik ,  MATHIVANAN, Guhan ,  RÄSÄNEN, Jukka ,  SLEIJSTER, Henry ,  VIJAY, Sameer ,  ZITTING, Samuli

IPC: C08F2/06 ,  C08F6/00

Abstract: The present invention relates to a process for removing hydrocarbons comprising the steps of: (A) passing a stream of a solution into a separator wherein a liquid phase comprising polymer and a vapour phase coexist; (B) withdrawing a vapour stream and a concentrated solution stream from the separator; (C) passing at least a part of the vapour stream into a first fractionator; (D) withdrawing a first overhead stream and a first bottom stream from the first fractionator; (E) passing the first bottom stream to a second fractionator; (F) withdrawing a second overhead stream and a second bottom stream from the second fractionator; characterised in that at least a part of the second overhead stream is withdrawn as a purge stream.