Additives for salt rejection enhancement of a membrane
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-069/12
B01D-071/56
B01D-069/02
B01D-063/10
B01D-061/02
B01D-061/00
출원번호
US-0841223
(2015-08-31)
등록번호
US-9861940
(2018-01-09)
발명자
/ 주소
Koehler, Jeff
Foster, Alexis
Song, Keunwon
Lee, Youngju
Shin, Chongkyu
출원인 / 주소
LG BABOH2O, INC.
대리인 / 주소
Dentons US LLP
인용정보
피인용 횟수 :
0인용 특허 :
182
초록▼
Provided is an interfacial polymerization process for preparation of a thin film composite membrane, which can be used for nanofiltration, forward osmosis, or reverse osmosis, particularly for use with brackish water or seawater. The process includes contacting a porous support membrane with an aque
Provided is an interfacial polymerization process for preparation of a thin film composite membrane, which can be used for nanofiltration, forward osmosis, or reverse osmosis, particularly for use with brackish water or seawater. The process includes contacting a porous support membrane with an aqueous phase containing a polyamine to form a coated support membrane, and applying an organic phase containing a polyfunctional acyl halide to the coated support membrane to interfacially polymerize the polyamine and the polyfunctional acyl halide to form a discrimination layer of a thin film composite membrane, where during formation of the membrane, the polyfunctional acyl halide is purified in situ by removal of hydrolyzed acyl halide through addition of a salt rejection-enhancing additive that includes a biguanide compound, dicarbonate compound, pentathiodicarbonate compound, or salt thereof. Also provided are the membranes prepared by the methods and reverse osmosis modules containing the membranes.
대표청구항▼
1. A process for preparing a thin film composite membrane, comprising: providing an aqueous phase comprising a polyamine and an organic phase comprising a polyfunctional acyl halide;introducing a salt rejection-enhancing additive in the aqueous phase, the salt rejection-enhancing additive able to fo
1. A process for preparing a thin film composite membrane, comprising: providing an aqueous phase comprising a polyamine and an organic phase comprising a polyfunctional acyl halide;introducing a salt rejection-enhancing additive in the aqueous phase, the salt rejection-enhancing additive able to form a complex with hydrolyzed polyfunctional acyl halide;applying the aqueous phase to a surface of a porous support membrane to form a coated support membrane;applying the organic phase to the coated support membrane to allow interfacial polymerization between the aqueous phase and organic phase, wherein hydrolyzed and non-hydrolyzed polyfunctional acyl halide are present during interfacial polymerization;forming a complex between the salt rejection-enhancing additive and the hydrolyzed polyfunctional acyl halide and interfacially polymerizing the polyamine and the non-hydrolyzed acyl halide to produce a discrimination layer of a thin film composite membrane comprising the porous support membrane and the discrimination layer, wherein the thin film composite membrane exhibits a salt rejection that is greater than the salt rejection of a thin film composite membrane prepared in the absence of the salt rejection-enhancing additive or a permeability coefficient (B-value) that is less than the permeability coefficient of a thin film composite membrane prepared in the absence of the salt rejection-enhancing additive,wherein the salt rejection-enhancing additive has the formula: or a salt thereof, wherein: n is a number between 10 and 15; andX is an alkyl chain having between 4 and 8 carbons; andwherein the aqueous phase or the organic phase or both comprises a phosphoramide as an additive. 2. The process of claim 1, wherein during the interfacial polymerization, the salt rejection-enhancing additive complexes with all hydrolyzed polyfunctional acyl halide present in the organic phase applied to the coated support membrane. 3. The process of claim 1, wherein X is an alkyl chain having 6 carbons and is —(CH2)6—. 4. The process of claim 1, wherein the concentration of salt rejection-enhancing additive in the aqueous phase is from about 0.001% to 1% based on the weight of the aqueous phase. 5. The process of claim 1, wherein the polyfunctional acyl halide is selected from among trimesoyl chloride, trimellitic acid chloride, isophthaloyl chloride, and terephthaloyl chloride. 6. The process of claim 1, wherein the amount of polyfunctional acyl halide in the organic phase is from about 0.01% to about 2%, based on the weight of the organic phase. 7. The process of claim 1, wherein the hydrolyzed polyfunctional acyl halide is mono-hydrolyzed or di-hydrolyzed. 8. The process of claim 1, wherein the polyamine is selected from among diaminobenzene, triaminobenzene, m-phenylenediamine, p-phenylenediamine, 1,3,5-diaminobenzoic acid, 2,4-diaminotoluene, 2,4-diaminoanisole, xylylenediamine, ethylenediamine, propylenediamine, piperazine, and tris(2-diaminoethyl)amine. 9. The process of claim 1, wherein the amount of polyamine in the aqueous phase is from about 0.1% to about 10%, based on the weight of the aqueous phase. 10. The process of claim 1, further comprising adding a processing aid selected from among a surfactant, a co-solvent, a drying agent, a catalyst, or any combination thereof to the aqueous phase or organic phase or both prior to applying the aqueous phase or organic phase to the porous support membrane. 11. The process of claim 10, wherein the surfactant is selected from among sodium lauryl sulfate (SLS), an alkyl poly(ethylene oxide), an octylphenol ethoxylate, an ethoxylated nonylphenol, and combinations thereof. 12. The process of claim 10, wherein the drying agent is selected from among a hydrocarbon or an ether, glycerin, citric acid, glycols, glucose, sucrose, triethylammonium camphorsulfonate, triethylammonium benzenesulfonate, triethylammonium toluenesulfonate, triethylammonium methane sulfonate, ammonium camphor sulfonate, and ammonium benzene sulfonate. 13. The process of claim 1, wherein the thin film composite membrane is a reverse osmosis membrane. 14. A thin film composite membrane prepared according to the process of claim 1. 15. The reverse osmosis membrane of claim 14, wherein: the membrane exhibits a total solids rejection of between 99.8% and 99.99%, when the membrane is exposed to deionized water containing 32,000 ppm NaCl at a temperature of 25° C. and a pressure of 800 psi; orthe membrane exhibits a permeability coefficient (B-value) of less than 3×10 8, when the membrane is exposed to deionized water containing 32,000 ppm NaCl at a temperature of 25° C. and a pressure of 800 psi.
Harris James E. (Piscataway NJ) Berger Abe (Summit NJ) Chopdekar Vilas M. (Edison NJ) Matzner Markus (Edison NJ) Spanswick James (Wheaton IL), Amide and/or imide containing polymers and monomers for the preparation thereof.
Costa Lawrence C. (Mansfield MA), Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membran.
Linder Charles (Rehovot ILX) Nemas Mara (Neve Monoson ILX) Perry Mordechai (Petach-Tikva ILX) Kotraro Reuven (Rishon-Letzion ILX), Composite membranes useful for the separation of organic compounds of low molecular weight from aqueous inorganic salts.
Hachisuka Hisao,JPX ; Ikeda Kenichi,JPX, Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same.
Mutsuo Murakami JP; Yasushi Tateishi JP; Yoshinari Fusaoka JP, Composite semipermeable membrane, processfor producing the same, and method of purifying water with the same.
Koros, William J.; Wallace, David; Wind, John D.; Miller, Stephen J.; Staudt-Bickel, Claudia; Vu, De Q., Crosslinked and crosslinkable hollow fiber mixed matrix membrane and method of making same.
Balogh Lajos ; deLeuze-Jallouli Agnes M. ; Dvornic Petar R. ; Owen Michael J. ; Perz Susan Victoria ; Spindler Ralph, Dendrimer-based nanoscopic sponges and metal composites.
Sandstrom Eric L. (Kensington NH) Prokop Alfred (North Andover MA) Young ; II William H. (East Kingston NH) D\Urso Anthony M. (Bradford MA), Filter element and spiral-wound membrane cartridge containing same.
Kurihara Masaru (Ohtsu JPX) Uemura Tadahiro (Kyoto JPX) Okada Kiyoshi (Kusatsu JPX), High performance semipermeable composite membrane and process for producing the same.
Hirose Masahiko,JPX ; Ito Hiroki,JPX ; Ohara Tomomi,JPX, Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same.
Hirose Masahiko (Shiga JPX) Ito Hiroki (Shiga JPX) Maeda Masatoshi (Osaka JPX) Tanaka Kazuo (Shiga JPX), Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same.
Van Rijn Cornelis J. M. (Gerard Doustraat 10 NL-1072 VP Amsterdam NLX), Inorganic membrane for microfiltration, and a process for production of such an inorganic membrane.
Glugla Paul G. (Midland MI) Rickle Gregory K. (Midland MI) Smith Bethanne L. (Freeland MI) Bales Stephen E. (Midland MI), Interfacially polymerized polyester films.
Miller Jay Fingeret (Charleston WV) Bryant David Robert (South Charleston WV) Hoy Kenneth Look (Saint Albans WV) Kinkade Nancy Ellen (Charleston WV) Zanapalidou Rachel Hilda (Winchester MA), Membrane separation process.
Yaeli Joseph (8 Rachel St. 34401 Haifa ILX), Method and apparatus for processing liquid solutions of suspensions particularly useful in the desalination of saline wa.
Ulbricht, Mathias; Sergeyeva, Tatinna; Matuschewski, Heike; Schedler, Uwe; Piletsky, Sergey A., Method for producing template-textured materials with high binding specificity and selectivity and utilization of said materials.
Mahendran Mailvaganam,CAX ; Goodboy Kenneth Paul ; Bai Jinhua,CAX, Method of making a dope comprising hydrophilized PVDF and .alpha.-alumina, and a membrane made therefrom.
Wang, Hua; Lu, Su; Li, Hua; Rice, Steven Thomas; Suriano, Joseph Anthony; Zhang, Bing; Wang, Chen; Costa, Lawrence Charles; Harrold, Steven John; Olson, David Allen; Peng, Wenqing, Method of making composite membrane.
Degen Peter J. (Huntington NY) Harwood Colin F. (Glen Cove NY) Ronan John B. (Harrington Park NJ) Mei Jason (East Meadow NY), Method of preparing a support material for use with a filtration medium.
Joosten Paul H. (Eindhoven NLX) Popma Theo J. A. (Eindhoven NLX) Nabben Hendrikus J. P. (Eindhoven NLX) Van Hal Henricus A. M. (Eindhoven NLX) Haisma Jan (Eindhoven NLX), Method of providing magnesium fluoride layers.
Degen Peter J. (Huntington NY) Martin Jerold (Plainview NY) Schriefer Judy (Commack NY) Shirley Brenda (Athens GA), Methods of concentrating ligands and active membranes used therefor.
Zsifkovits Wilhelm (Korneuburg ATX) Grning Burghard (Essen DEX) Kollmeier Hans-Joachim (Essen DEX) Schaefer Dietmar (Essen DEX) Weitemeyer Christian (Essen DEX), Microcapsule and micromatrix bodies and method for their formation.
Linder Charles (Rehovot ILX) Perry Mordechai (Petach Tikvah ILX) Kotraro Reuven (Rehovot ILX), Modified polyvinylalcohol containing semipermeable composite membranes, process for their manufacture and their use.
Fibiger Richard F. (Midland MI) Koo Ja-young (Plymouth MN) Forgach David J. (Midland MI) Petersen Robert J. (Minneapolis MN) Schmidt Donald L. (Midland MI) Wessling Ritchie A. (Midland MI) Stocker Th, Novel polyamide reverse osmosis membranes.
Fibiger Richard F. (Midland MI) Koo Ja-young (Plymouth MN) Forgach David J. (Midland MI) Petersen Robert J. (Minnesota MN) Schmidt Donald L. (Midland MI) Wessling Ritchie A. (Midland MI) Stocker Thom, Novel polyamide reverse osmosis membranes.
Herron John R. (Corvallis OR) Beaudry Edward G. (Corvallis OR) Jochums Carl E. (Corvallis OR) Medina Luis E. (Corvallis OR), Osmotic concentration apparatus and method for direct osmotic concentration of fruit juices.
Penth, Bernd; Hying, Christian; Hoerpel, Gerhard; Schmidt, Friedrich Georg, Permeable composite material, method for producing said composite material, and use of the same.
Stengaard Flemming F. (Nakskov DKX), Permeable, porous polymeric membrane with hydrophilic character methods for preparing said membranes and their use.
Stengaard Flemming F. (Nakskov DKX), Permeable, porous polymeric membrane with hydrophilic character, methods for preparing said membranes and their use.
Lonsdale Harold K. (Bend OR) Babcock Walter C. (Bend OR) Friensen Dwayne T. (Bend OR) Smith Kelly L. (Bend OR) Johnson Bruce M. (Bend OR) Wamser Carl C. (West Linn OR), Physicochemically functional ultrathin films by interfacial polymerization.
Aoyama Masatoshi,JPX ; Tsutsumi Kenichi,JPX ; Uchida Minoru,JPX, Polyester polymerization catalyst, a production method thereof, and a polyester production method using said catalyst.
Huis In\t Veld Marcel B. J. (Ae Enschede NLX) Uhlhorn Robert J. R. (Ae Enschede NLX) Lin Yve-Sheng (Ae Enschede NLX) Keizer Klaas (Ae Enschede NLX) Burggraaf Anthonie J. (Ae Enschede NLX), Porous inorganic composite semipermeable membrane and a method of preparation.
Kumar,Pandian Senthil; Kannan,Periasamy Selva; More,Arvind; Shingte,Rahul; Wadgaonkar,Prakash; Sastry,Murali, Process for the preparation of free standing membranes.
Kraus Menahem A. (Rehovot ILX) Frommer Moshe A. (Rehovot ILX) Nemas Mara (Neve Monoson ILX) Gutman Rodika (Kiryat Sharet ILX), Process for the removal of urea from aqueous solutions.
Emrick, Todd Shannon; Breitenkamp, Kurt; Revanur, Ravindra; Freeman, Benny D.; McCloskey, Bryan, Process of forming crosslinked copolymer film, crosslinked copolymer film formed thereby, and water purification membrane.
Linder Charles (Rehovot ILX) Aviv Gershon (Tel Aviv ILX) Perry Mordechai (Petach Tikvah ILX) Kotraro Reuven (Rehovot ILX), Semipermeable encapsulated membranes, process for their manufacture and their use.
Kulprathipanja Santi (Hoffman Estates IL) Neuzil Richard W. (Downers Grove IL) Li Norman N. (Arlington Heights IL), Separation of fluids by means of mixed matrix membranes.
McDermott ; Jr. Thomas C. (Lynn MA) Skelton Daniel F. (Billerica MA), Spiral filtration module with strengthened membrane leaves and method of constructing same.
Leiser,Robert Matthias; Plobner,Lutz; Yaroshevskaya,Elena Markovna; Zubov,Vitali Pavlovich; Kapustin,Dmitry Valerievich; Yagudaeva,Elena Jurievna, Use of a composite polymer-coated sorbent for separation, purification, desalting and concentration of biopolymers.
Cadotte John E. (Minnetonka MN) Batzel Daniel A. (Glenview IL) Stocker Thomas F. (San Diego CA 4), Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and na.
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