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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preferably continuously withdrawing the catalyst slurry from the first catalyst feed vessel, and introducing the withdrawn portion of the catalyst slurry into a polymerization reactor; wherein the oil has a dynamic viscosity of from 25 to 1500 mPa*s at the conditions within the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.
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2.发明申请
公开(公告)号：WO2022033956A1
公开(公告)日：2022-02-17
申请号：PCT/EP2021/071891
申请日：2021-08-05
Applicant: BOREALIS AG
Inventor： SLEIJSTER, Henry , AL-HAJ ALI, Mohammad , SATTAR, Mubashar , AJELLAL, Noureddine , WEBER, Charlotta
Abstract: The present invention is concerned with a screening assembly comprising a separating device connected to a conduit for an effluent stream comprising a polymer and a mixture of hydrocarbons, wherein the separating device is configured to separate the effluent stream into a polymer-rich stream and a polymer-lean vapor stream, wherein the first separation device comprises an inlet, a first outlet for withdrawing a polymer-rich stream, and a second outlet for withdrawing a polymer-lean vapor stream, a screening device connected to the separating device via a conduit for the polymer-lean vapor stream, wherein the screening device comprises a first inlet connected to the conduit for the polymer-lean vapor stream, a first outlet for withdrawing a cleaned vapor stream, a second outlet for withdrawing a polymer-comprising condensed vapor stream, and at least one second inlet for introducing a condensed vapor stream.
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公开(公告)号：WO2020109443A1
公开(公告)日：2020-06-04
申请号：PCT/EP2019/082851
申请日：2019-11-28
Applicant: BOREALIS AG
Inventor： AL-HAJ, Mohammad Ali , SATTAR, Mubashar
Abstract: The present invention is concerned with a separator comprising a vessel, a first inlet, a second inlet, a first outlet, a second outlet, and a separation device located downstream of the first outlet, wherein the separation device comprises two outlets, whereas one outlet of the separation device is fluidly connected to the second inlet of the vessel. Furthermore, the present invention is also concerned with a process for separating hydrocarbons from a reaction solution comprising a polymer and said hydrocarbons, comprising the steps of passing the reaction solution through the first inlet into the separator according to the invention, withdrawing a first outlet stream through the first outlet, withdrawing a second outlet stream through the second outlet, separting the first outlet stream in the separation device to produce a first separated stream and a second separated stream, withdrawing the first separated stream from the separation device and passing the first separated stream through the second inlet into the vessel, and withdrawing the second separated stream from the separation device.
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Patent Agency Ranking4.发明申请
公开(公告)号：WO2022033918A1
公开(公告)日：2022-02-17
申请号：PCT/EP2021/071622
申请日：2021-08-03
Applicant: BOREALIS AG
Inventor： SLEIJSTER, Henry , AL-HAJ ALI, Mohammad , SATTAR, Mubashar , AJELLAL, Noureddine , WEBER, Charlotta
Abstract: A process for screening polymer from a polymer-lean vapor stream, whereby the process comprises the steps of separating an effluent stream comprising the polymer and a first mixture of hydrocarbons into a polymer-rich stream and the polymer-lean vapor stream; spraying a condensed vapor composition comprising a second mixture of hydrocarbons into the polymer-lean vapor stream via a condensed vapor composition stream; screening a screened condensed vapor composition stream comprising the polymer and the condensed vapor composition from the polymer-lean vapor stream.
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公开(公告)号：WO2022122125A1
公开(公告)日：2022-06-16
申请号：PCT/EP2020/085081
申请日：2020-12-08
Applicant: BOREALIS AG [AT]/[AT]
Inventor： AL-HAJ ALI, Mohammad , WEBER, Charlotta , SLEIJSTER, Henry , AJELLAL, Noureddine , SATTAR, Mubashar
Abstract: The disclosure relates to a polymerization process, comprising − providing a first hydrocarbon stream comprising first olefin monomer, first comonomer and solvent in a first providing step, wherein solvent is obtained from a solvent source; − combining the first hydrocarbon stream with hydrocarbons recycled from at least one downstream process step to a first combined hydrocarbon stream in a first combining step; − polymerizing the first olefin monomer and the first comonomer in the presence of a first polymerization catalyst in a first polymerization step in the solvent to produce a first solution comprising a first polymer of the first olefin monomer and the first comonomer; − withdrawing a first exhaust stream of the first solution in a first withdrawing step; − separating the first exhaust stream to a first primary hydrocarbon stream and a first concentrated solution stream in a first primary separation step; − recycling the first primary hydrocarbon stream to the first combining step in a first primary recycling step; − separating the first concentrated solution stream to a first secondary hydrocarbon stream and a first polymer product stream in a first secondary separation step; − recycling the first secondary hydrocarbon stream to the first combining step in a first secondary recycling step; − providing a second hydrocarbon stream comprising second olefin monomer, second comonomer and solvent in a second providing step, wherein the solvent is obtained from the solvent source; − combining the second hydrocarbon stream with hydrocarbons recycled from at least one downstream process step to a second combined hydrocarbon stream in a second combining step; − polymerizing the second olefin monomer and the second comonomer in the presence of a second polymerization catalyst in a second polymerization step in the solvent to produce a second solution comprising a second polymer of the second olefin monomer and the second comonomer; − withdrawing a second exhaust stream of the second solution in a second withdrawing step; − separating the second exhaust stream to a second primary hydrocarbon stream and a second concentrated solution stream in a second primary separation step; − recycling the second primary hydrocarbon stream to the second combining step in a second primary recycling step; − separating the second concentrated solution stream to a second secondary hydrocarbon stream and a second polymer product stream in a second secondary separation step; and − recycling the second secondary hydrocarbon stream to second combining step in a second secondary recycling step wherein − the first providing step and the second providing step are performed in parallel; − the first combining step and the second combining step are performed in parallel; − the first polymerization step and the second polymerization step are performed in parallel; − the first withdrawing step and the second withdrawing step are performed in parallel; − the first primary separation step and the second primary separation step are performed in parallel; − the first primary recycling step and the second primary recycling step are performed in parallel; − the first secondary separation step and the second secondary separation step are performed in parallel; and − the first secondary recycling step and the second secondary recycling step are performed in parallel. The disclosure relates also to a polymerization arrangement, comprising − a solvent source arranged to provide solvent for a first hydrocarbon stream and a second hydrocarbon stream, the first hydrocarbon stream comprising first olefin monomer, first comonomer and solvent, and the second hydrocarbon stream comprising second olefin monomer, second comonomer and solvent; − a first olefin monomer source arranged to provide first olefin monomer for the first hydrocarbon stream; − a first comonomer source arranged to provide first comonomer for the first hydrocarbon stream; − a first combining means in fluid connection with the solvent source, the first olefin monomer source and the first comonomer source, wherein the first combining means is arranged to combine the first hydrocarbon stream with a stream of recycled hydrocarbons to a first combined hydrocarbon stream; − a first polymerization reactor train in fluid connection with the combining means and arranged to polymerize olefin monomer and comonomer in the presence of a polymerization catalyst in solvent to produce a first solution comprising a first polymer of the olefin monomer and the comonomer; − a first primary separation device in fluid connection with the first polymerization reactor train and arranged to separate a first exhaust stream of the first solution withdrawn from the first polymerization reactor train to a first primary hydrocarbon stream and a first concentrated solution stream; − a first primary recycling means in fluid connection with the first primary separation device and the first combining means for recycling the first primary hydrocarbon stream to the first combining means; − a first secondary separation device in fluid connection with the first primary separation device, wherein the first secondary separation device is arranged to separate the first concentrated solution stream to a first secondary hydrocarbon stream and a first polymer product stream; − a first secondary recycling means in fluid connection with the first secondary separation device and the first combining means for recycling the first secondary hydrocarbon stream to the first combining means; − a second combining means in fluid connection with the solvent source and arranged to combine the second hydrocarbon stream with a stream of recycled hydrocarbons to a second combined hydrocarbon stream; − a second polymerization reactor train in fluid connection with the combining means and arranged to polymerize olefin monomer and comonomer in the presence of a polymerization catalyst in solvent to produce a second solution comprising a second polymer of the olefin monomer and the comonomer; − a second primary separation device in fluid connection with the second polymerization reactor train and arranged to separate a second exhaust stream of the second solution withdrawn from the second polymerization reactor train to a second primary hydrocarbon stream and a second concentrated solution stream; − a second primary recycling means in fluid connection with the second primary separation device and the second combining means for recycling the second primary hydrocarbon stream to the second combining means; − a second secondary separation device in fluid connection with the second primary separation device, wherein the second secondary separation device is arranged to separate the second concentrated solution stream to a second secondary hydrocarbon stream and a second polymer product stream; and − a second secondary recycling means in fluid connection with the second secondary separation device and the second combining means for recycling the second secondary hydrocarbon stream to the second combining means wherein − the first polymerization reactor train and the second polymerization reactor train are arranged to operate in parallel; − the first primary separation device and the second separation device are arranged to operate in parallel; − the first primary recycling means and the second primary recycling means are arranged to operate in parallel; − the first secondary separation device and the second secondary separation device are arranged to operate in parallel; and − the first secondary recycling means and the second secondary recycling means are arranged to operate in parallel.
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公开(公告)号：WO2022106284A1
公开(公告)日：2022-05-27
申请号：PCT/EP2021/081291
申请日：2021-11-10
Applicant: BOREALIS AG
Inventor： AL-HAJ ALI, Mohammad , SLEIJSTER, Henry , SATTAR, Mubashar , AJELLAL, Noureddine , WEBER, Charlotta
Abstract: A feeding device for preparing a feed stream for a solution polymerization, comprising a feed vessel, the feed vessel comprising a top zone and a bottom zone; a feed outlet for withdrawing the feed stream, wherein the feed outlet is positioned at the bottom zone; a waste outlet for withdrawing a waste vapour stream, wherein the waste outlet is positioned at the top zone; a first heat exchanger positioned below the top zone; an absorber positioned below the first heat exchanger; a first inlet for introducing a fresh liquid stream into or on top of the absorber, wherein the first inlet is positioned at the absorber; a second inlet for introducing a recycle liquid stream, wherein the second inlet is positioned below the first inlet; and a third inlet for introducing a recycle vapour stream, wherein the third inlet is positioned below the second inlet and above the feed outlet.
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公开(公告)号：WO2021004684A1
公开(公告)日：2021-01-14
申请号：PCT/EP2020/063795
申请日：2020-05-18
Applicant: BOREALIS AG
Inventor： AL-HAJ ALI, Mohammad , SATTAR, Mubashar , AJELLAL, Noureddine , SLEIJSTER, Henry , WEBER, Charlotta
Abstract: The disclosure relates to a polymerization process. The polymerization process comprises polymerizing an olefin monomer and a comonomer in the presence of a polymerization catalyst in a polymerization step conducted in a polymerization reactor in a solvent to produce a solution comprising a polymer of the olefin monomer and the comonomer. The polymerization process comprises withdrawingan exhaust stream of the solution from the polymerization reactor in a withdrawing step. The polymerization process comprises separating the exhaust stream to a first primary stream and a primary concentrated solution stream in a first primary separation step, wherein the first primary stream comprises hydrocarbons and polymer. The polymerization process comprises separating the first primary stream to a second primary stream and a third primary stream in a second primary separation step, wherein the second primary stream comprises dissolved polymer and the third primary stream comprises majority of the hydrocarbons. The polymerization process comprises cooling the third primary stream to a temperature of -80 to 20 °C in a primary cooling step to obtain a cooled third primary stream. The polymerization process comprises separating the cooled third primary stream to a fourth primary stream and a fifth primary stream in a third primary separation step, wherein the fourth primary stream comprises hydrocarbons in vapour phase and the fifth primary stream comprises liquid hydrocarbons. The polymerization process comprises returning the fourth primary stream and the fifth primary stream independently in a primary returning step to a location upstream of the polymerization reactor.
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公开(公告)号：WO2020178010A1
公开(公告)日：2020-09-10
申请号：PCT/EP2020/054057
申请日：2020-02-17
Applicant: BOREALIS AG
Inventor： AL-HAJ ALI, Mohammad , AJELLAL, Noureddine , SATTAR, Mubashar , SLEIJSTER, Henry
IPC: C08F2/01 , C08F2/06 , C08F210/16
Abstract: The disclosure relates to a polymerization process, comprising providing a monomer stream, the monomer stream comprising an alpha-olefin monomer; providing a comonomer stream, the comonomer stream comprising at least one alpha-olefin comonomer; providing a hydrocarbon solvent stream, the hydrocarbon solvent stream comprising a hydrocarbon solvent capable of dissolving the alpha-olefin monomer and the alpha-olefin comonomer in polymerization conditions; providing an activated catalyst stream, the activated catalyst stream comprising activated polymerization catalyst; passing the monomer stream having a temperature in the range of greater than -30 °C to less than 10 °C into a polymerization reactor; passing the comonomer stream having a temperature in the range of greater than -30 °C to less than 10 °C into the polymerization reactor; passing the hydrocarbon solvent stream having a temperature in the range of greater than -30 °C to less than 10 °C into the polymerization reactor; passing the activated catalyst stream into the polymerization reactor; contacting the monomer stream, the comonomer stream, the hydrocarbon solvent stream and the activated catalyst stream in a polymerization reactor to form a reaction mixture comprising an alpha-olefin polymer; withdrawing a first product stream from the polymerization reactor, the first product stream comprising hydrocarbon solvent and alpha-olefin polymer dissolved in the hydrocarbon solvent; and a separation step for separating a second product stream and a third product stream from the first product stream, wherein the second product stream comprises majority of the alpha-olefin polymer present in the first product stream.
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