Mixed Matrix Membranes Containing Ion-Exchanged Molecular Sieves
    1.
    发明申请
    Mixed Matrix Membranes Containing Ion-Exchanged Molecular Sieves 审中-公开
    含离子交换分子筛的混合基质膜

    公开(公告)号:US20100018926A1

    公开(公告)日:2010-01-28

    申请号:US12145559

    申请日:2008-06-25

    摘要: The present invention discloses mixed matrix membranes (MMMs) comprising ion-exchanged molecular sieves such as UZM-5 zeolite ion-exchanged with Li+ cation (Li-UZM-5) and a continuous polymer matrix and methods for making and using these membranes. These MMMs, comprising ion-exchanged molecular sieves, in the form of symmetric dense films, asymmetric flat sheets, asymmetric hollow fibers, or thin-film composites, have exhibited simultaneously increased selectivity and permeability (or permeance) over polymer-only membranes and the mixed matrix membranes made from molecular sieves that have not been ion exchanged for gas separations. These MMMs are suitable for a variety of liquid, gas, and vapor separations such as desalination of water by reverse osmosis, deep desulfurization of gasoline and diesel fuels, ethanol/water separations, pervaporation dehydration of aqueous/organic mixtures, CO2/CH4, CO2/N2, H2/CH4, O2/N2, olefin/paraffin, iso/normal paraffins separations, and other light gas mixture separations.

    摘要翻译: 本发明公开了包含离子交换分子筛(例如与Li +阳离子(Li-UZM-5)离子交换的UZM-5沸石)和连续聚合物基质的混合基质膜(MMM)以及制造和使用这些膜的方法。 这些包含离子交换分子筛,以对称致密膜,不对称平板,不对称中空纤维或薄膜复合材料形式的MMM已经显示出与聚合物膜相比增加的选择性和渗透性(或渗透性),并且 由分子筛制成的未经离子交换进行气体分离的混合基质膜。 这些MMM适用于各种液体,气体和蒸汽分离,如通过反渗透脱水,汽油和柴油燃料的深度脱硫,乙醇/水分离,水/有机混合物的渗透蒸发脱水,CO 2 / CH 4,CO 2 / N2,H2 / CH4,O2 / N2,烯烃/石蜡,异/正链烷烃分离和其他轻质气体混合物分离。

    Microporous UZM-5 inorganic zeolite membranes for gas, vapor, and liquid separations
    2.
    发明授权
    Microporous UZM-5 inorganic zeolite membranes for gas, vapor, and liquid separations 失效
    用于气体,蒸汽和液体分离的微孔UZM-5无机沸石膜

    公开(公告)号:US08540800B2

    公开(公告)日:2013-09-24

    申请号:US13052720

    申请日:2011-03-21

    IPC分类号: B01D53/22 B01D71/02

    摘要: The present invention discloses microporous UZM-5 zeolite membranes, methods for making the same, and methods of separating gases, vapors, and liquids using the same. The small-pore microporous UZM-5 zeolite membrane is prepared by two different methods, including in-situ crystallization of one or more layers of UZM-5 zeolite crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of UZM-5 zeolite crystals on a seed layer of UZM-5 zeolite crystals supported on a porous membrane support. The membranes in the form of disks, tubes, or hollow fibers have superior thermal and chemical stability, good erosion resistance, high CO2 plasticization resistance, and significantly improved selectivity over polymer membranes for gas, vapor, and liquid separations.

    摘要翻译: 本发明公开了微孔UZM-5沸石膜,其制造方法,以及使用其分离气体,蒸汽和液体的方法。 小孔微孔UZM-5沸石膜通过两种不同的方法制备,包括在多孔膜载体上的一层或多层UZM-5沸石晶体的原位结晶,以及通过原位结晶的接种方法 在支撑在多孔膜载体上的UZM-5沸石晶种的种子层上连续的第二层UZM-5沸石晶体。 圆盘,管或中空纤维形式的膜具有优异的热稳定性和化学稳定性,良好的抗侵蚀性,高的二氧化碳抗塑化性,并且对于气体,蒸汽和液体分离,在聚合物膜上显着提高了选择性。

    MICROPOROUS UZM-5 INORGANIC ZEOLITE MEMBRANES FOR GAS, VAPOR, AND LIQUID SEPARATIONS
    3.
    发明申请
    MICROPOROUS UZM-5 INORGANIC ZEOLITE MEMBRANES FOR GAS, VAPOR, AND LIQUID SEPARATIONS 失效
    用于气体,蒸气和液体分离的微波UZM-5无机沸石膜

    公开(公告)号:US20120240763A1

    公开(公告)日:2012-09-27

    申请号:US13052720

    申请日:2011-03-21

    IPC分类号: B01D53/22 B01J20/32

    摘要: The present invention discloses microporous UZM-5 zeolite membranes, methods for making the same, and methods of separating gases, vapors, and liquids using the same. The small-pore microporous UZM-5 zeolite membrane is prepared by two different methods, including in-situ crystallization of one or more layers of UZM-5 zeolite crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of UZM-5 zeolite crystals on a seed layer of UZM-5 zeolite crystals supported on a porous membrane support. The membranes in the form of disks, tubes, or hollow fibers have superior thermal and chemical stability, good erosion resistance, high CO2 plasticization resistance, and significantly improved selectivity over polymer membranes for gas, vapor, and liquid separations.

    摘要翻译: 本发明公开了微孔UZM-5沸石膜,其制造方法,以及使用其分离气体,蒸汽和液体的方法。 小孔微孔UZM-5沸石膜通过两种不同的方法制备,包括在多孔膜载体上的一层或多层UZM-5沸石晶体的原位结晶,以及通过原位结晶的接种方法 在支撑在多孔膜载体上的UZM-5沸石晶种的种子层上连续的第二层UZM-5沸石晶体。 圆盘,管或中空纤维形式的膜具有优异的热稳定性和化学稳定性,良好的抗侵蚀性,高的二氧化碳抗塑化性,并且对于气体,蒸汽和液体分离,在聚合物膜上显着提高了选择性。

    Method for Making High Performance Mixed Matrix Membranes
    4.
    发明申请
    Method for Making High Performance Mixed Matrix Membranes 审中-公开
    制备高性能混合基质膜的方法

    公开(公告)号:US20090149565A1

    公开(公告)日:2009-06-11

    申请号:US11954013

    申请日:2007-12-11

    摘要: The present invention discloses method for making defect-free high performance mixed matrix membranes (MMMs) containing a continuous polymer matrix and dispersed molecular sieves such as AlPO-14 or UZM-5. These MMMs can be used for separations. The novel method for making defect-free high performance MMMs comprises: post treating the MMM at a temperature ≧150° C. This new method results in a MMM with either no macrovoids or voids of less than 5 angstroms at the interface of the continuous polymer matrix and the molecular sieves. The MMMs are in the form of symmetric dense film, thin-film composite (TFC), asymmetric flat sheet or asymmetric hollow fiber. These MMMs have good flexibility and high mechanical strength, and exhibit high carbon dioxide/methane (CO2/CH4) selectivity and high CO2 permeance for CO2/CH4 separation. The MMMs are suitable for a variety of liquid, gas, and vapor separations.

    摘要翻译: 本发明公开了制备含有连续聚合物基质和分散分子筛如AlPO-14或UZM-5的无缺陷高性能混合基质膜(MMM)的方法。 这些MMM可用于分离。 用于制造无缺陷的高性能MMM的新方法包括:在> = 150℃的温度下对MMM进行后处理。该新方法导致MMM在连续的界面处没有大孔或小于5埃的空隙 聚合物基质和分子筛。 MMM是对称致密膜,薄膜复合材料(TFC),不对称平板或不对称中空纤维的形式。 这些MMM具有良好的柔韧性和高的机械强度,并且对于CO 2 / CH 4分离显示出高二氧化碳/甲烷(CO 2 / CH 4)选择性和高CO 2渗透性。 MMM适用于各种液体,气体和蒸气分离。

    Molecular Sieve/Polymer Mixed Matrix Membranes
    5.
    发明申请
    Molecular Sieve/Polymer Mixed Matrix Membranes 审中-公开
    分子筛/聚合物混合基质膜

    公开(公告)号:US20090155464A1

    公开(公告)日:2009-06-18

    申请号:US11954447

    申请日:2007-12-12

    IPC分类号: B05D5/00

    摘要: The present invention discloses an approach for making mixed matrix membranes (MMMs) and methods for using these membranes. These MMMs contain a continuous polymer matrix and dispersed microporous molecular sieve particles. In particular, the present invention is directed to make asymmetric thin-film composite MMMs by coating a thin layer of molecular sieve/polymer mixed matrix solution on top of a porous support substrate followed by controlling the formation of a thin dense selective mixed matrix layer equal or larger in thickness than any of said molecular sieve particles. The MMMs of the present invention are suitable for a variety of liquid, gas, and vapor separations. The MMMs of the present invention have at least 20% increase in selectivity for these separations compared to the polymer membranes prepared from their corresponding continuous polymer matrices.

    摘要翻译: 本发明公开了一种制备混合基质膜(MMM)的方法和使用这些膜的方法。 这些MMM含有连续的聚合物基质和分散的微孔分子筛颗粒。 特别地,本发明涉及通过在多孔载体基材的顶部涂覆分子筛/聚合物混合基质溶液的薄层,然后控制薄的致密选择性混合基质层的形成而形成不对称的薄膜复合MMM 或大于任何所述分子筛颗粒的厚度。 本发明的MMM适用于各种液体,气体和蒸气分离。 与从其相应的连续聚合物基质制备的聚合物膜相比,本发明的MMM对这些分离的选择性增加至少20%。

    Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix Membranes
    6.
    发明申请
    Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix Membranes 审中-公开
    聚合物官能化分子筛/聚合物混合基质膜

    公开(公告)号:US20090126566A1

    公开(公告)日:2009-05-21

    申请号:US11940549

    申请日:2007-11-15

    IPC分类号: B01D53/22

    摘要: The invention discloses the use of polymer functionalized molecular sieve/polymer mixed matrix membranes (MMMs) with either no macrovoids or voids of less than several Angstroms at the interface of the polymer matrix and the molecular sieves by incorporating polyethersulfone (PES) or cellulose triacetate (CTA) functionalized molecular sieves into a continuous polyimide or cellulose acetate (CA) polymer matrix. The MMMs, particularly PES functionalized AlPO-14/polyimide MMMs and CTA functionalized AlPO-14/CA MMMs, in the form of symmetric dense film, asymmetric flat sheet membrane, or asymmetric hollow fiber have good flexibility and high mechanical strength, and exhibit significantly enhanced selectivity and/or permeability over the polymer membranes made from the corresponding continuous polymer matrices for carbon dioxide/methane (CO2/CH4), hydrogen/methane (H2/CH4), propylene/propane separations and a variety of liquid, gas, and vapor separations.

    摘要翻译: 本发明公开了聚合物官能化分子筛/聚合物混合基质膜(MMM)在聚合物基体和分子筛的界面处没有大孔或小于几埃的空隙,通过引入聚醚砜(PES)或三乙酸纤维素 CTA)官能化分子筛成连续聚酰亚胺或乙酸纤维素(CA)聚合物基质。 对称致密膜,不对称平片膜或不对称中空纤维形式的MMMs,特别是PES官能化AlPO-14 /聚酰亚胺MMM和CTA官能化AlPO-14 / CA MMMs具有良好的柔韧性和高机械强度,并显示出显着的 由相应的二氧化碳/甲烷(CO 2 / CH 4),氢/甲烷(H 2 / CH 4),丙烯/丙烷分离和各种液体,气体和/或气体的连续聚合物基质制成的聚合物膜的选择性和/ 蒸气分离。

    High Performance Mixed Matrix Membranes Incorporating at Least Two Kinds of Molecular Sieves
    7.
    发明申请
    High Performance Mixed Matrix Membranes Incorporating at Least Two Kinds of Molecular Sieves 有权
    高性能混合基质膜并入至少两种分子筛

    公开(公告)号:US20090120875A1

    公开(公告)日:2009-05-14

    申请号:US11936951

    申请日:2007-11-08

    IPC分类号: B01D39/16 B01D53/22 B01D61/00

    摘要: The present invention discloses a new type of high performance mixed matrix membranes (MMMs) and methods for making and using the same. The MMMs comprise a continuous polymer matrix and at least two types of molecular sieves dispersed therein. The continuous polymer matrix in the MMM contains at least one type of polymer. The MMM in the form of a dense film, asymmetric flat sheet membrane or otherwise prepared exhibits simultaneously improved selectivity and permeability for gas separations compared to polymer membranes made from a continuous polymer matrix without any molecular sieves or with only one type of molecular sieve. MMMs of the present invention are suitable for a wide range of gas, vapor, and liquid separations such as alcohol/water, CO2/CH4, H2/CH4, O2/N2, CO2/N2, olefin/paraffin, iso/normal paraffins, and other light gases separations.

    摘要翻译: 本发明公开了一种新型的高性能混合基质膜(MMM)及其制造和使用方法。 MMM包括分散在其中的连续聚合物基质和至少两种分子筛。 MMM中的连续聚合物基质含有至少一种类型的聚合物。 与由没有任何分子筛或只有一种分子筛的连续聚合物基质制成的聚合物膜相比,致密膜,不对称平片膜或其它方式形成的MMM与气体分离同时改善了选择性和渗透性。 本发明的MMM适用于各种气体,蒸汽和液体分离,例如醇/水,CO 2 / CH 4,H 2 / CH 4,O 2 / N 2,CO 2 / N 2,烯烃/石蜡,异/正链烷烃, 和其他轻质气体分离。

    Method of Making High Performance Mixed Matrix Membranes Using Suspensions Containing Polymers and Polymer Stabilized Molecular Sieves
    8.
    发明申请
    Method of Making High Performance Mixed Matrix Membranes Using Suspensions Containing Polymers and Polymer Stabilized Molecular Sieves 有权
    使用含有聚合物和聚合物稳定分子筛的悬浮液制备高性能混合基质膜的方法

    公开(公告)号:US20080141863A1

    公开(公告)日:2008-06-19

    申请号:US11612366

    申请日:2006-12-18

    摘要: The present invention discloses a novel method of making high performance mixed matrix membranes (MMMs) using stabilized concentrated suspensions of solvents, uniformly dispersed polymer stabilized molecular sieves, and at least two different types of polymers as the continuous blend polymer matrix. MMMs as dense films or asymmetric flat sheet or hollow fiber membranes fabricated by the method described in the current invention exhibit significantly enhanced permeation performance for separations over the polymer membranes made from the continuous blend polymer matrix. MMMs of the present invention are suitable for a wide range of gas, vapor, and liquid separations such as alcohol/water, CO2/CH4, H2/CH4, O2/N2, CO2/N2, olefin/paraffin, iso/normal paraffins, and other light gases separations.

    摘要翻译: 本发明公开了使用稳定的溶剂浓缩悬浮液,均匀分散的聚合物稳定化分子筛和至少两种不同类型的聚合物作为连续共混聚合物基质制备高性能混合基质膜(MMM)的新方法。 通过本发明所述方法制造的致密膜或非对称平板或中空纤维膜的MMM显示出从由连续共混聚合物基质制成的聚合物膜上的分离显着增强的渗透性能。 本发明的MMM适用于各种气体,蒸汽和液体分离,例如醇/水,CO 2 / CH 4,H 2 CH 2,N 2,N 2,CO 2,N 2,N 2, 烯烃/石蜡,异/正链烷烃和其它轻质气体分离。

    Microporous aluminophosphate molecular sieve membranes for highly selective separations
    9.
    发明授权
    Microporous aluminophosphate molecular sieve membranes for highly selective separations 有权
    用于高选择性分离的微孔磷酸铝分子筛膜

    公开(公告)号:US08262779B2

    公开(公告)日:2012-09-11

    申请号:US12857308

    申请日:2010-08-16

    IPC分类号: B01D53/22 B01D71/02

    摘要: The present invention discloses microporous aluminophosphate (AlPO4) molecular sieve membranes and methods for making and using the same. The microporous AlPO4 molecular sieve membranes, particularly small pore microporous AlPO-14 and AlPO-18 molecular sieve membranes, are prepared by three different methods, including in-situ crystallization of a layer of AlPO4 molecular sieve crystals on a porous membrane support, coating a layer of polymer-bound AlPO4 molecular sieve crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of AlPO4 molecular sieve crystals on a seed layer of AlPO4 molecular sieve crystals supported on a porous membrane support. The microporous AlPO4 molecular sieve membranes have superior thermal and chemical stability, good erosion resistance, high CO2 plasticization resistance, and significantly improved selectivity over polymer membranes for gas and liquid separations, including carbon dioxide/methane (CO2/CH4), carbon dioxide/nitrogen (CO2/N2), and hydrogen/methane (H2/CH4) separations.

    摘要翻译: 本发明公开了微孔磷酸铝(AlPO4)分子筛膜及其制造和使用方法。 微孔AlPO 4分子筛膜,特别是小孔微孔AlPO-14和AlPO-18分子筛膜通过三种不同的方法制备,包括在多孔膜载体上原位结晶一层AlPO 4分子筛晶体, 多孔膜载体上的聚合物结合的AlPO 4分子筛晶体层,以及通过在多孔膜载体上负载的AlPO 4分子筛晶体的种子层上原位结晶连续的第二层AlPO 4分子筛晶体的接种方法。 微孔AlPO4分子筛膜具有优异的耐热和化学稳定性,良好的耐侵蚀性,高的二氧化碳增塑性,并且对于气体和液体分离,包括二氧化碳/甲烷(CO2 / CH4),二氧化碳/氮气 (CO2 / N2)和氢/甲烷(H2 / CH4)分离。

    Molecular sieve/polymer asymmetric flat sheet mixed matrix membranes
    10.
    发明授权
    Molecular sieve/polymer asymmetric flat sheet mixed matrix membranes 有权
    分子筛/聚合物不对称平板混合基质膜

    公开(公告)号:US08226862B2

    公开(公告)日:2012-07-24

    申请号:US11954454

    申请日:2007-12-12

    IPC分类号: B29D7/00

    摘要: The present invention discloses an approach for making mixed matrix membranes (MMMs) and methods for using these membranes. These MMMs contain a continuous polymer matrix and dispersed microporous molecular sieve particles. This invention also pertains to control of the thickness of the thin dense selective mixed matrix membrane layer that is equal to or greater than the particle size of the largest molecular sieve particles for making large scale asymmetric MMMs. In particular, the invention is directed to making asymmetric flat sheet MMM by a phase inversion technique. The MMMs of the present invention exhibit at least 20% increase in selectivity compared to the polymer membranes prepared from their corresponding continuous polymer matrices. The MMMs of the present invention are suitable for a variety of liquid, gas, and vapor separations.

    摘要翻译: 本发明公开了一种制备混合基质膜(MMM)的方法和使用这些膜的方法。 这些MMM含有连续的聚合物基质和分散的微孔分子筛颗粒。 本发明还涉及等于或大于用于制造大规模不对称MMM的最大分子筛颗粒的粒度的薄致密选择性混合基质膜层的厚度的控制。 特别地,本发明涉及通过相位反转技术制造不对称平板MMM。 与由其相应的连续聚合物基质制备的聚合物膜相比,本发明的MMM显示出至少20%的选择性增加。 本发明的MMM适用于各种液体,气体和蒸气分离。