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公开(公告)号：US20180326398A1
公开(公告)日：2018-11-15
申请号：US15971408
申请日：2018-05-04
Applicant: GEORGIA TECH RESEARCH CORPORATION , PHILLIPS 66 COMPANY
Inventor： Sankar Nair , Jeffrey H. Drese , Kiwon Eum , Ryan P. Lively , Ali Rownaghi , Yash Tamhankar , Shaowei Yang
CPC classification number: B01J20/226 , B01D69/147 , B01J20/08 , B01J29/04 , B01J2229/183 , B01J2229/34
Abstract: Embodiments of the present disclosure provide apparatuses, methods and systems for scalable fabrication of thin, nanoporous membranes useful in industrial applications. One embodiment of the present disclosure provides a molecular separation device configured to efficiently separate molecular species. In this particular embodiment, porous hollow fibers form a supporting scaffold for synthesis of a molecular organic framework (MOF) membrane. The MOF membrane may be synthesized on the inner or outer porous hollow fiber surface as well as within the porous fiber wall. Embodiments of the present disclosure provide a variety of methods for producing the aforementioned molecular separation devices as well as methods for producing MOF membranes.
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2.发明申请公开(公告)号：US20150114906A1
公开(公告)日：2015-04-30
申请号：US14515613
申请日：2014-10-16
Applicant: Phillips 66 Company , Georgia Tech Research Corporation
Inventor： Sankar Nair , Hyung-Ju Kim , William J. Koros , Kwang-Suk Jang , Justin R. Johnson , Christopher W. Jones , Joe D. Allison , Jeffrey H. Drese
CPC classification number: B01D71/027 , B01D67/0044 , B01D67/0069 , B01D67/0079 , B01D67/0093 , B01D69/02 , B01D69/08 , B01D2323/14
Abstract: Described is a liquid separation device comprising a porous support structure further comprising polymeric hollow fibers; an inorganic mesoporous silica membrane disposed on the porous support structure, wherein the inorganic mesoporous silica membrane is free of defects; and wherein the inorganic mesoporous silica membrane has a network of interconnected three-dimensional pores that interconnect with the porous support structure; and wherein the inorganic mesoporous silica membrane is a silylated mesoporous membrane. Also described are methods for making and using the liquid separation device.
Abstract translation: 描述了一种液体分离装置，其包括进一步包含聚合物中空纤维的多孔支撑结构; 设置在所述多孔支撑结构上的无机介孔二氧化硅膜，其中所述无机介孔二氧化硅膜没有缺陷; 并且其中所述无机介孔二氧化硅膜具有与所述多孔支撑结构互连的互连的三维孔的网络; 并且其中所述无机介孔二氧化硅膜是甲硅烷基化介孔膜。 还描述了制造和使用液体分离装置的方法。
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公开(公告)号：US12226739B2
公开(公告)日：2025-02-18
申请号：US16803291
申请日：2020-02-27
Applicant: Phillips 66 Company , Georgia Tech Research Corporation
Inventor： Kiwon Eum , Shaowei Yang , Byunghyun Min , Chen Ma , Jeffrey H. Drese , Yash Tamhankar , Ryan P. Lively , Sankar Nair
Abstract: A method of forming a molecular separation device is provided. The method comprises growing or depositing a silica MFI zeolite coating on a ceramic support. The method further comprises growing a ZIF-8 coating on the silica MFI zeolite coating. Growing the ZIF-8 coating on the silica MFI zeolite comprises applying a first reactant fluid including a metal salt and a second reactant fluid including an imidazole reactant to the silica MFI zeolite coating. Growing the ZIF-8 coating on the silica MFI zeolite further comprises reacting the first and second reactant fluid with the silica MFI zeolite coating to produce the ZIF-8 coating. In certain implementations, at least a portion of the ZIF-8 coating is interspersed with a portion of the silica MFI coating. A molecular separation device including the ZIF-8 coating and the silica MFI zeolite is also disclosed.
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公开(公告)号：US20210268446A1
公开(公告)日：2021-09-02
申请号：US16803291
申请日：2020-02-27
Applicant: Phillips 66 Company , Georgia Tech Research Corporation
Inventor： Kiwon Eum , Shaowei Yang , Byunghyun Min , Chen Ma , Jeffrey H. Drese , Yash Tamhankar , Ryan P. Lively , Sankar Nair
Abstract: A method of forming a molecular separation device is provided. The method comprises growing or depositing a silica MFI zeolite coating on a ceramic support. The method further comprises growing a ZIF-8 coating on the silica MFI zeolite coating. Growing the ZIF-8 coating on the silica MFI zeolite comprises applying a first reactant fluid including a metal salt and a second reactant fluid including an imidazole reactant to the silica MFI zeolite coating. Growing the ZIF-8 coating on the silica MFI zeolite further comprises reacting the first and second reactant fluid with the silica MFI zeolite coating to produce the ZIF-8 coating. In certain implementations, at least a portion of the ZIF-8 coating is interspersed with a portion of the silica MFI coating. A molecular separation device including the ZIF-8 coating and the silica MFI zeolite is also disclosed.
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5.发明申请ZIF-8-90 METAL ORGANIC FRAMEWORK (MOF) MEMBRANES FOR n-BUTANE/i-BUTANE SEPARATIONS 审中-公开ZF-8-90金属有机骨架（MOF）用于正丁醇/非丁醇分离的膜公开(公告)号：US20160130199A1
公开(公告)日：2016-05-12
申请号：US14926395
申请日：2015-10-29
Applicant: Phillips 66 Company , Georgia Tech Research Corporation
Inventor： Sankar Nair , Kiwon Eum , Fereshteh Rashidi , Christopher W. Jones , Jeffrey H. Drese
CPC classification number: C07C7/144 , B01D69/148 , C07F3/06 , C07F15/065
Abstract: A method for forming a hybrid zeolitic imidazolate framework (ZIF) comprises the formation steps of: preparing a first solution comprising: a 2-methylimidazolate or a functionalized derivative thereof; and a carboxaldehyde-2-imidazolate or a functionalized derivative thereof; preparing a second solution comprising a metal ion; and combining the first solution and the second solution to form the hybrid ZIF, wherein a first fraction of 2-methylimidazolate or a functionalized derivative thereof in the hybrid ZIF is from about 5 to about 95 or any value there between and a second fraction carboxaldehyde-2-imidazolate or a functionalized derivative thereof in the hybrid ZIF is 100—the first fraction is disclosed. A metal-organic framework (MOF) comprising the hybrid ZIF and a molecular sieve device comprising the hybrid ZIF are also disclosed.
Abstract translation: 形成杂合沸石咪唑酸酯骨架（ZIF）的方法包括以下步骤：制备包含2-甲基咪唑酸酯或其官能化衍生物的第一溶液; 和羧甲基-2-咪唑酸酯或其官能化衍生物; 制备包含金属离子的第二溶液; 以及将所述第一溶液和所述第二溶液组合以形成所述杂化ZIF，其中所述杂化ZIF中的2-甲基咪唑酸盐或其官能化衍生物的第一级分为约5至约95或其间的任何值和第二级分甲醛 - 混合ZIF中的2-咪唑啉或其官能化衍生物为100-公开了第一级分。 还公开了包含杂化ZIF的金属 - 有机骨架（MOF）和包含混合ZIF的分子筛装置。
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Patent Agency Ranking
公开(公告)号：US11097226B2
公开(公告)日：2021-08-24
申请号：US15688231
申请日：2017-08-28
Applicant: GEORGIA TECH RESEARCH CORPORATION
Inventor： Sankar Nair , Christopher W. Jones , Fereshteh Rashidi , Ali Asghar Rownaghi
Abstract: Systems, devices and methods for molecular separation including a molecular separation device comprising at least a polycrystalline metal-organic framework (MOF) and a nanocrystalline, zeolite MFI, wherein the MOF forms a polycrystalline membrane with zeolite MFI nanoparticles dispersed therein, and the MOF membrane matrix contacting and surrounding the zeolite MFI nanoparticles form a permselective nanoporous structure.
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公开(公告)号：US20180071684A1
公开(公告)日：2018-03-15
申请号：US15702536
申请日：2017-09-12
Applicant: Georgia Tech Research Corporation
Inventor： Sankar Nair , Nikita Kevlich , Fereshteh Rashidi , Meisha Shofner , Scott Sinquefield , Zhongzhen Wang, VIII
CPC classification number: B01D61/022 , B01D61/025 , B01D61/027 , B01D63/06 , B01D63/10 , B01D69/02 , B01D69/10 , B01D71/024 , B01D71/68 , B01D2325/04 , B01D2325/22 , D21C11/00 , D21C11/0042
Abstract: The disclosed technology includes a membrane-based device configured to concentrate black liquor, which results from papermaking. Certain embodiments may comprise a nanofiltration membrane configured to remove lignin from black liquor, and the nanofiltration membrane may include a first macroporous polymer substrate and a first graphene oxide membrane covering the first macroporous polymer substrate. Some embodiments may comprise a reverse osmosis membrane, which may include a second macroporous polymer substrate and a second graphene oxide membrane covering the second macroporous polymer substrate.
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8.发明申请HIGH EFFICIENCY, HIGH PERFORMANCE METAL-ORGANIC FRAMEWORK (MOF) MEMBRANES IN HOLLOW FIBERS AND TUBULAR MODULES 有权高效率，高性能金属有机框架（MOF）膜在中空纤维和管状模块公开(公告)号：US20160184798A1
公开(公告)日：2016-06-30
申请号：US15061964
申请日：2016-03-04
Applicant: Georgia Tech Research Corporation
Inventor： Sankar Nair , Kiwon Eum , Christopher W. Jones , Ali Rownaghi
CPC classification number: C07C7/144 , B01D63/063 , B01D67/0051 , B01D69/08 , Y02P20/582 , Y10T29/49345
Abstract: A reactor cell for measuring gas and liquid permeation is disclosed. A hollow fiber is supported by and sealed into a first hole and a second hole of the reactor module. The first and second ends of the hollow fiber are sealed with a sealing solution. Methods for making and using the reactor cell are also disclosed. As made and used, the reactor cell further comprises a molecular sieving membrane that is uniform and free of defects grown on an inner bore surface of the hollow fiber.
Abstract translation: 公开了一种用于测量气体和液体渗透的反应池。 中空纤维由反应器模块的第一孔和第二孔支撑并密封。 中空纤维的第一和第二端用密封溶液密封。 还公开了制造和使用反应器电池的方法。 制造和使用时，反应器电池还包括均匀且没有生长在中空纤维的内孔表面上的缺陷的分子筛膜。
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公开(公告)号：US20150087852A1
公开(公告)日：2015-03-26
申请号：US14482552
申请日：2014-09-10
Applicant: Georgia Tech Research Corporation
Inventor： Sankar Nair , Dun-Yen Kang , Nicholas A. Brunelli , Christopher W. Jones
CPC classification number: B82Y10/00 , C07F7/0838 , C07F7/1804
Abstract: Described are single-walled metal oxide nanotubes having a plurality of organic functional units or moieties bonded generally in a covalent manner to the inner wall of the single-walled nanotubes. Functionalization of the single-walled metal oxide nanotubes is performed in a single-step during synthesis of the nanotubes. The organic functional units are found dispersed throughout the length of the inner wall and not sterically hindered or contained at only the mouth or ends of the single-walled metal oxide nanotubes.
Abstract translation: 描述了具有多个有机功能单元或部分通常以共价方式结合到单壁纳米管的内壁的单壁金属氧化物纳米管。 单壁金属氧化物纳米管的官能化在纳米管的合成过程中进行一步。 发现有机功能单元分散在内壁的整个长度上，而不是空间位阻或仅包含在单壁金属氧化物纳米管的口或端。
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10.发明授权公开(公告)号：US11964242B2
公开(公告)日：2024-04-23
申请号：US17602490
申请日：2020-04-09
Applicant: Georgia Tech Research Corporation
Inventor： Sankar Nair , Shaowei Yang , Christopher W. Jones , Byunghyun Min
CPC classification number: B01D71/028 , B01D53/228 , B01D69/12 , B01D2257/504 , B01D2257/702 , B01D2323/08 , B01D2323/10 , B01D2325/02 , B01D2325/04 , B01D2325/20
Abstract: Disclosed are methods of manufacturing a zeolite membrane, comprising: providing at least one porous substrate; and coating the at least one porous substrate with a membrane. In some embodiments, the method further comprises hydrothermally treating the membrane with a first hydrothermal treatment step with tetrapropylammonium fluoride (TPAF) and a second hydrothermal treatment step with tetraethylammonium hydroxide (TEAOH). In some embodiments, coating the substrate with a membrane comprises surrounding at least a portion of the at least one porous substrate with a precursor gel, the gel comprising a gel phase and a plurality of CHA or MFI crystals; heating the at least one porous substrate and the precursor gel; washing the at least one porous substrate; drying the at least one porous substrate; and calcining the at least one porous substrate.
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