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    RECOVERY OF HYDROCARBONS FROM A HYDROCARBON RECYCLE
    4.
    发明授权
    RECOVERY OF HYDROCARBONS FROM A HYDROCARBON RECYCLE 有权

    公开(公告)号：EP3237106B1

    公开(公告)日：2018-09-12

    申请号：EP15817343.5

    申请日：2015-12-22

    申请人： SABIC Global Technologies B.V.

    发明人： SETLHAKU, Mpho, Prudence

    IPC分类号： B01J8/18 ,  C08F2/04 ,  C08F2/06 ,  C08F2/12 ,  C08F2/18 ,  C08F2/34

    CPC分类号： C08F2/34 ,  C08F2/04 ,  C08F2/06 ,  C08F2/12 ,  C08F2/18 ,  C08F4/022 ,  C08F4/61927 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08J11/02 ,  Y02P20/582

    摘要： The invention relates to a process for the polymerization of olefins comprising the comprising the steps of a. Polymerizing olefins in a reaction mixture comprising monomers, diluent, processing aids to prepare a product stream comprising polyolefins, monomers and diluent; b. Removing the polyolefins from the product stream to obtain a purge stream; c. Removing gaseous components from the purge stream to obtain a liquid fraction; d. Treating the liquid fraction with at least one ionic liquid to obtain a fraction containing unsaturated hydrocarbons; e. Recycling the fraction containing unsaturated hydrocarbons to the reaction mixture, optionally after purification of said fraction containing unsaturated hydrocarbons. The invention also relates to an olefin polymerization system comprising a polymerization reactor, a purge vessel, a vent gas recovery and an ionic liquid separator for separating liquid alkenes from liquid alkanes, wherein the liquid alkenes which are separated from the alkanes in the ionic liquid separator can be recycled to the polymerization reactor.

    METHOD FOR RECOVERING ETHYLENE AND VINYL-BASED COMONOMER
    5.
    发明公开
    METHOD FOR RECOVERING ETHYLENE AND VINYL-BASED COMONOMER 审中-公开
    回收乙烯和乙烯基共聚物的方法

    公开(公告)号：EP3321292A1

    公开(公告)日：2018-05-16

    申请号：EP17823008.2

    申请日：2017-08-23

    申请人： LG Chem, Ltd.

    发明人： SHIN, Dae Young ,  JOO, Eun Jung ,  SHIN, Joon Ho ,  HEO, Chang Hoe ,  JANG, Sung Keun

    IPC分类号： C08F6/00 ,  C08F210/02 ,  C08F2/00 ,  C08J11/02

    CPC分类号： C08F6/001 ,  C08J11/02 ,  C08L23/0815 ,  C08L23/0853

    摘要： The present invention relates to a method for recovering ethylene and a vinyl-comonomer that is capable of improving the rate of recovery of unreacted monomers remaining after polymerization of ethylene and a vinyl-based comonomer and increasing process efficiency through the reduction of costs.
    Specifically, the method for recovering ethylene and a vinyl-comonomer includes: a step of polymerizing ethylene and a vinyl-based comonomer at a pressure of 1500 bar or more; a step of depressurizing the product obtained in the polymerization step including an ethylene-vinyl-based comonomer polymer, ethylene, and a vinyl-based comonomer to 0.1 bar to 5 bar; a step of adding ethylene to the product obtained in the polymerization step under the pressure of 0.1 bar to 5 bar; and a step of separating ethylene and a vinyl-based comonomer from the product obtained in the polymerization step to which the ethylene is added.

    摘要翻译： 本发明涉及乙烯和乙烯基共聚单体的回收方法，其能够提高乙烯和乙烯基共聚单体聚合后剩余的未反应单体的回收率，并通过降低成本来提高工艺效率。 具体而言，回收乙烯和乙烯基共聚单体的方法包括：在1500巴或更高的压力下聚合乙烯和乙烯基共聚单体的步骤; 将包括乙烯 - 乙烯基共聚单体聚合物，乙烯和乙烯基共聚单体的聚合步骤中获得的产物减压至0.1巴至5巴; 在0.1巴至5巴的压力下向聚合步骤中获得的产物中加入乙烯的步骤; 以及从添加了乙烯的聚合工序中得到的产物中分离乙烯和乙烯基系共聚单体的工序。

    RECOVERY OF HYDROCARBONS FROM A HYDROCARBON RECYCLE
    6.
    发明公开
    RECOVERY OF HYDROCARBONS FROM A HYDROCARBON RECYCLE 审中-公开
    从碳氢化合物回收中回收烃

    公开(公告)号：EP3237106A1

    公开(公告)日：2017-11-01

    申请号：EP15817343.5

    申请日：2015-12-22

    申请人： SABIC Global Technologies B.V.

    发明人： SETLHAKU, Mpho,Prudence

    IPC分类号： B01J8/18 ,  C08F2/04 ,  C08F2/06 ,  C08F2/12 ,  C08F2/18 ,  C08F2/34

    CPC分类号： C08F2/34 ,  C08F2/04 ,  C08F2/06 ,  C08F2/12 ,  C08F2/18 ,  C08F4/022 ,  C08F4/61927 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08J11/02 ,  Y02P20/582

    摘要： The invention relates to a process for the polymerization of olefins comprising the comprising the steps of a. Polymerizing olefins in a reaction mixture comprising monomers, diluent, processing as aids to prepare a product stream comprising polyolefins, monomers and diluent; b. Removing the polyolefins from the product stream to obtain a purge stream; c. Removing gaseous components from the purge stream to obtain a liquid fraction; d. Treating the liquid fraction with at least one ionic liquid to obtain a fraction containing unsaturated hydrocarbons; e. Recycling the fraction containing unsaturated hydrocarbons to the reaction mixture, optionally after purification of said fraction containing unsaturated hydrocarbons. The invention also relates to an olefin polymerization system comprising a polymerization reactor, a purge vessel, a vent gas recovery and an ionic liquid separator for separating liquid alkenes from liquid alkanes, wherein the liquid alkenes which are separated from the alkanes in the ionic liquid separator can be recycled to the polymerization reactor.

    摘要翻译： 本发明涉及一种烯烃聚合方法，包括以下步骤：a。 在包含单体，稀释剂，加工助剂的反应混合物中聚合烯烃以制备包含聚烯烃，单体和稀释剂的产物流; 湾 从产物流中除去聚烯烃以获得清洗流; C。 从清洗流中除去气体组分以获得液体部分; d。 用至少一种离子液体处理液体部分以获得含有不饱和烃的部分; 即 任选地在纯化所述含有不饱和烃的馏分之后，将含有不饱和烃的馏分循环到反应混合物中。 本发明还涉及一种烯烃聚合体系，其包含聚合反应器，吹扫容器，排气回收器和用于从液体烷烃中分离液体烯烃的离子液体分离器，其中在离子液体分离器中与烷烃分离的液体烯烃 可以循环到聚合反应器中。

    PROCESS FOR SEPARATING COMPONENTS OF A POLYMER-MONOMER MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS
    8.
    发明公开
    PROCESS FOR SEPARATING COMPONENTS OF A POLYMER-MONOMER MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS 有权
    用于分离由乙烯基不饱和单体的高压聚合获得的聚合物 - 单体混合物的组分的方法

    公开(公告)号：EP3186288A1

    公开(公告)日：2017-07-05

    申请号：EP15797909.7

    申请日：2015-11-12

    申请人： Basell Polyolefine GmbH

    发明人： LITTMANN, Dieter ,  GROOS, Georg ,  FINETTE, Andre-Armand ,  DEUERLING, Michael ,  WOLFRAM, Sven ,  MOHRBUTTER, Juergen ,  KHAYRULLIN, Danir ,  FIBLA, Claudio ,  WOLF, Christoph

    IPC分类号： C08F2/00 ,  C08F2/01 ,  C08F6/00

    CPC分类号： B01J4/002 ,  B01J2219/185 ,  B01J2219/1943 ,  B01J2219/1946 ,  C08F2/004 ,  C08F2/01 ,  C08F6/001 ,  C08J11/02 ,  Y02P20/582

    摘要： A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C. to 300° C. in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer-monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided.

    摘要翻译： 提供了一种在分离容器中在0.12MPa至0.6MPa的压力和120℃至300℃的温度下分离聚合物 - 单体混合物的聚合物和气体组分的方法。 分离容器具有长径比L / D为0.6-10的垂直排列的圆柱形状和能够将聚合物 - 单体混合物引入分离容器的入口管，入口管从顶部垂直延伸 分离容器进入分离容器。 此外，在自由基聚合引发剂的存在下，在100℃至350℃的温度和10MPa至500MPa的压力下由烯属不饱和单体制备乙烯均聚物或共聚物的方法包括这样的方法 提供了用于分离聚合物 - 单体混合物的方法。