Process and installation for the oligomerization of olefins that use a membrane separation
    1.
    发明授权
    Process and installation for the oligomerization of olefins that use a membrane separation 有权
    使用膜分离的烯烃低聚的工艺和安装

    公开(公告)号:US07411105B2

    公开(公告)日:2008-08-12

    申请号:US11639307

    申请日:2006-12-15

    IPC分类号: C07C2/02 C07C7/00 C07C7/144

    摘要: This invention relates to a process for the oligomerization of olefins that have 2 to 6 carbon atoms comprising at least: a) One reaction stage in which a first effluent that comprises oligomers, paraffins and olefins that have not reacted is recovered, b) A separation stage that makes it possible to separate a portion of the oligomers that are contained in the effluent from a mixture that comprises oligomers, paraffins and the olefins that have not reacted, c) A recycling of a portion of said mixture in the reaction stage, and d) A stage for membrane separation of another portion of said mixture so as to draw off a permeate that comprises at least 70% by weight of olefins and a retentate that comprises paraffins and oligomers, e) A stage for recovery of oligomers on the retentate.

    摘要翻译: 本发明涉及至少包含2至6个碳原子的烯烃低聚方法:a)回收包含未反应的低聚物,链烷烃和烯烃的第一流出物的一个反应阶段,b)分离 使得可能从包含低聚物,链烷烃和未反应的烯烃的混合物中分离出流出物中所含的一部分低聚物的阶段,c)在反应阶段中回收一部分所述混合物,以及 d)用于膜分离所述混合物的另一部分的阶段,以便排出包含至少70重量%的烯烃和包含链烷烃和低聚物的滞留物的渗透物,e)用于回收滞留物上的低聚物的阶段 。

    Method of producing alkyl esters from vegetable or animal oil and an aliphatic monoalcohol using membrane separation
    2.
    发明授权
    Method of producing alkyl esters from vegetable or animal oil and an aliphatic monoalcohol using membrane separation 失效
    使用膜分离从植物油或动物油和脂肪族一元醇生产烷基酯的方法

    公开(公告)号:US08466304B2

    公开(公告)日:2013-06-18

    申请号:US12644126

    申请日:2009-12-22

    IPC分类号: C11C3/00 C10L1/18

    摘要: The present invention describes a method of producing fatty acid alkyl esters and glycerin implementing a set of transesterification reactions between a vegetable or animal oil and an aliphatic monoalcohol in the presence of a heterogeneous solid catalyst so as to obtain an effluent comprising at least alkyl esters, free glycerol, bonded glycerol and alcohol, wherein at least one stage of separation of at least a portion of the effluent is carried out in order to separate the ester produced and the bonded glycerol, said separation occurring through a membrane.

    摘要翻译: 本发明描述了一种生产脂肪酸烷基酯和甘油的方法,其在非均相固体催化剂存在下实施植物油或动物油与脂族一元醇之间的一系列酯交换反应,以获得至少包含烷基酯, 游离甘油,结合甘油和醇,其中进行至少一部分流出物的至少一个阶段的分离以分离所生产的酯和结合的甘油,所述分离通过膜发生。

    Process for the selective desulphurization of olefinic gasolines, comprising a hydrogen purification step
    5.
    发明申请
    Process for the selective desulphurization of olefinic gasolines, comprising a hydrogen purification step 审中-公开
    包括氢气净化步骤的烯烃汽油的选择性脱硫方法

    公开(公告)号:US20060076271A1

    公开(公告)日:2006-04-13

    申请号:US11236792

    申请日:2005-09-28

    IPC分类号: C10G45/02

    摘要: The invention concerns a process for selective hydrodesulphurization of an olefinic gasoline, in which makeup hydrogen and/or the overall feed at the inlet to the catalytic reactor has a CO content of less than 50 ppmv of even less, but a COx(═CO+½CO2) content of more than 120 ppmv. The invention allows diversification as regards the sources of makeup hydrogen and/or can simplify the purification treatment for said hydrogen, and/or can reduce the purge of hydrogen from the hydrodesulphurization unit.

    摘要翻译: 本发明涉及烯烃汽油的选择性加氢脱硫方法,其中补充氢气和/或催化反应器入口处的总进料的CO含量小于50ppmv,但CO 2 ( - CO + 1 / CO 2)含量大于120ppmv。 本发明允许关于补氢源的多样化和/或可以简化对所述氢的纯化处理和/或可以减少加氢脱硫单元中的氢气的吹扫。

    Process for producing fatty acid alkyl esters and glycerol of high-purity
    6.
    发明申请
    Process for producing fatty acid alkyl esters and glycerol of high-purity 失效
    制备高纯度脂肪酸烷基酯和甘油的方法

    公开(公告)号:US20060014974A1

    公开(公告)日:2006-01-19

    申请号:US11178605

    申请日:2005-07-12

    IPC分类号: C07C67/02

    摘要: In a process for producing fatty acid alkyl esters and glycerol comprising at least one reaction stage in which a charge comprising a vegetable and/or animal oil and an alcohol are brought into contact, in the presence of a heterogeneous catalyst, so as to obtain an effluent comprising at least alkyl esters, glycerol and alcohol, and at least one separation stage during which a separation is carried out of at least one portion of the effluent so as to separate an alcohol-rich effluent and an alkyl esters-rich effluent, at least one separation stage consists of a membrane separation using at least one alcohol-permeable membrane.

    摘要翻译: 在生产脂肪酸烷基酯和甘油的方法中,包括至少一个反应阶段,其中包含植物油和/或动物油和醇的电荷在多相催化剂的存在下接触,从而获得 流出物至少包含烷基酯,甘油和醇,以及至少一个分离阶段,在该分离阶段期间,至少一部分流出物进行分离,以便将富含醇的流出物和富含烷基酯的流出物分离在 至少一个分离阶段由使用至少一种醇可渗透膜的膜分离组成。

    Method of Producing Alkyl Esters from Vegetable or Animal Oil and an Aliphatic Monoalcohol Using Membrane Separation
    7.
    发明申请
    Method of Producing Alkyl Esters from Vegetable or Animal Oil and an Aliphatic Monoalcohol Using Membrane Separation 失效
    使用膜分离从植物油或动物油和脂肪族单醇生产烷基酯的方法

    公开(公告)号:US20100186290A1

    公开(公告)日:2010-07-29

    申请号:US12644126

    申请日:2009-12-22

    IPC分类号: C10L1/19 B01J8/00

    摘要: The present invention describes a method of producing fatty acid alkyl esters and glycerin implementing a set of transesterification reactions between a vegetable or animal oil and an aliphatic monoalcohol in the presence of a heterogeneous solid catalyst so as to obtain an effluent comprising at least alkyl esters, free glycerol, bonded glycerol and alcohol, wherein at least one stage of separation of at least a portion of the effluent is carried out in order to separate the ester produced and the bonded glycerol, said separation occurring through a membrane.The invention describes the facility in which said alkyl ester production method is implemented.

    摘要翻译: 本发明描述了一种生产脂肪酸烷基酯和甘油的方法,其在非均相固体催化剂存在下实施植物油或动物油与脂族一元醇之间的一系列酯交换反应,以获得至少包含烷基酯, 游离甘油,结合甘油和醇,其中进行至少一部分流出物的至少一个阶段的分离以分离所生产的酯和结合的甘油,所述分离通过膜发生。 本发明描述了实现所述烷基酯生产方法的设备。

    Process and installation for the oligomerization of olefins that use a membrane separation
    8.
    发明申请
    Process and installation for the oligomerization of olefins that use a membrane separation 有权
    使用膜分离的烯烃低聚的工艺和安装

    公开(公告)号:US20070088186A1

    公开(公告)日:2007-04-19

    申请号:US11639307

    申请日:2006-12-15

    IPC分类号: C07C2/02

    摘要: This invention relates to a process for the oligomerization of olefins that have 2 to 6 carbon atoms comprising at least: a) One reaction stage in which a first effluent that comprises oligomers, paraffins and olefins that have not reacted is recovered, b) A separation stage that makes it possible to separate a portion of the oligomers that are contained in the effluent from a mixture that comprises oligomers, paraffins and the olefins that have not reacted, c) A recycling of a portion of said mixture in the reaction stage, and d) A stage for membrane separation of another portion of said mixture so as to draw off a permeate that comprises at least 70% by weight of olefins and a retentate that comprises paraffins and oligomers, e) A stage for recovery of oligomers on the retentate.

    摘要翻译: 本发明涉及至少包含2至6个碳原子的烯烃低聚方法:a)回收包含未反应的低聚物,链烷烃和烯烃的第一流出物的一个反应阶段,b)分离 使得可能从包含低聚物,链烷烃和未反应的烯烃的混合物中分离出流出物中所含的一部分低聚物的阶段,c)在反应阶段中回收一部分所述混合物,以及 d)用于膜分离所述混合物的另一部分的阶段,以便排出包含至少70重量%的烯烃和包含链烷烃和低聚物的滞留物的渗透物,e)用于回收滞留物上的低聚物的阶段 。

    Process and installation for separating compounds, including at least one n-paraffin, in a hydrocarbon feedstock
    9.
    发明申请
    Process and installation for separating compounds, including at least one n-paraffin, in a hydrocarbon feedstock 审中-公开
    用于在烃原料中分离化合物(包括至少一种正链烷烃)的方法和装置

    公开(公告)号:US20060281960A1

    公开(公告)日:2006-12-14

    申请号:US11444527

    申请日:2006-06-01

    IPC分类号: C07C7/144

    摘要: Process for separating one or more compound(s), including at least one n-paraffin, in a hydrocarbon feedstock, in which: A stream, or a portion of a stream of said feedstock, is passed successively and in any order into at least one distillation column and at least one membrane separation unit comprising a selective membrane with regard to at least one n-paraffin; and One or more stream(s) is (are) recovered from the column and the membrane separation unit, each of said streams being enriched respectively with one of said compounds, and at least one of said streams being enriched with at least one n-paraffin. Installation for the implementation of this process. The invention relates in particular to a process and an installation that allow the fractionation of a petroleum fraction that contains hydrocarbon molecules with close boiling points.

    摘要翻译: 在烃原料中分离一种或多种化合物(包括至少一种正链烷烃)的方法,其中:流或所述原料流的一部分以任意顺序依次通过至少 一个蒸馏塔和至少一个膜分离单元,其包含关于至少一种正链烷烃的选择性膜; 并且从所述塔和膜分离单元中回收一个或多个流,每个所述物流分别富含所述化合物之一,并且至少一个所述物流富含至少一个n- 石蜡。 安装执行此过程。 本发明特别涉及允许含有具有接近沸点的烃分子的石油馏分分馏的方法和装置。

    Gas processing method using a filtered glycol solution
    10.
    发明授权
    Gas processing method using a filtered glycol solution 失效
    使用过滤二醇溶液的气体处理方法

    公开(公告)号:US07267775B2

    公开(公告)日:2007-09-11

    申请号:US10901971

    申请日:2004-07-30

    摘要: The invention relates to a method and to a plant for processing a gas by means of a glycol solution wherein a feed comprising a gas, a glycol, water and salts is subjected to a first stage (5) of separating the gas from a liquid effluent and said liquid effluent is subjected to a dehydration stage (14) to recover a dehydrated liquid effluent, characterized in that the salts contained in the liquid effluent, dehydrated or not, are eliminated in a membrane separation stage (10) by means of a driving force generated by mechanical pressure difference on either side of a membrane of pore size ranging between 5 and 100 Angstrom. The invention also relates to the use of the method and of the plant for regeneration of a liquid compound of the glycol family used for hydrate formation prevention when using a natural gas.

    摘要翻译: 本发明涉及一种通过二醇溶液处理气体的方法和装置,其中包含气体,二醇,水和盐的进料经受第一阶段(5),其将气体与液体流出物分离 并且所述液体流出物经历脱水阶段(14)以回收脱水的液体流出物,其特征在于,通过驱动在膜分离阶段(10)中消除了在脱水或不脱水的液体流出物中包含的盐 机械压力差产生的力在膜尺寸范围在5至100埃之间的膜的两侧。 本发明还涉及在使用天然气时,该方法和植物用于再生用于预防水合物形成的二醇类的液体化合物的用途。