WO2013183969A1 - 표면 처리된 제올라이트를 포함하는 고투과 유량 역삼투막 및 이를 제조하는 방법 - Google Patents
표면 처리된 제올라이트를 포함하는 고투과 유량 역삼투막 및 이를 제조하는 방법 Download PDFInfo
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- WO2013183969A1 WO2013183969A1 PCT/KR2013/005052 KR2013005052W WO2013183969A1 WO 2013183969 A1 WO2013183969 A1 WO 2013183969A1 KR 2013005052 W KR2013005052 W KR 2013005052W WO 2013183969 A1 WO2013183969 A1 WO 2013183969A1
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- WO
- WIPO (PCT)
- Prior art keywords
- zeolite
- reverse osmosis
- treated
- osmosis membrane
- group
- Prior art date
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 239000010457 zeolite Substances 0.000 title claims abstract description 136
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 135
- 239000012528 membrane Substances 0.000 title claims abstract description 54
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000004907 flux Effects 0.000 title 1
- 229920002647 polyamide Polymers 0.000 claims abstract description 34
- 239000004952 Polyamide Substances 0.000 claims abstract description 32
- 125000003277 amino group Chemical group 0.000 claims abstract description 26
- 125000000524 functional group Chemical group 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims description 32
- -1 halide compound Chemical class 0.000 claims description 20
- 150000001412 amines Chemical class 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910000077 silane Inorganic materials 0.000 claims description 8
- 239000012013 faujasite Substances 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 description 40
- 239000000243 solution Substances 0.000 description 34
- 150000003839 salts Chemical class 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000012466 permeate Substances 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 229910021641 deionized water Inorganic materials 0.000 description 11
- 239000011148 porous material Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000012695 Interfacial polymerization Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 150000002366 halogen compounds Chemical class 0.000 description 6
- 238000001027 hydrothermal synthesis Methods 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 229920002492 poly(sulfone) Polymers 0.000 description 5
- 239000002861 polymer material Substances 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- GZGREZWGCWVAEE-UHFFFAOYSA-N chloro-dimethyl-octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[Si](C)(C)Cl GZGREZWGCWVAEE-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 4
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- ZWUBBMDHSZDNTA-UHFFFAOYSA-N 4-Chloro-meta-phenylenediamine Chemical compound NC1=CC=C(Cl)C(N)=C1 ZWUBBMDHSZDNTA-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000001266 acyl halides Chemical class 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229940018564 m-phenylenediamine Drugs 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- MGLZGLAFFOMWPB-UHFFFAOYSA-N 2-chloro-1,4-phenylenediamine Chemical compound NC1=CC=C(N)C(Cl)=C1 MGLZGLAFFOMWPB-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- XWPNRKVJDCUURK-UHFFFAOYSA-N NCCCC[Si](OCC)(OCC)OCC.C(C)O[SiH3] Chemical compound NCCCC[Si](OCC)(OCC)OCC.C(C)O[SiH3] XWPNRKVJDCUURK-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000005237 alkyleneamino group Chemical group 0.000 description 1
- VRAIHTAYLFXSJJ-UHFFFAOYSA-N alumane Chemical compound [AlH3].[AlH3] VRAIHTAYLFXSJJ-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000006294 amino alkylene group Chemical group 0.000 description 1
- 125000004103 aminoalkyl group Chemical group 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- JSYBAZQQYCNZJE-UHFFFAOYSA-N benzene-1,2,4-triamine Chemical compound NC1=CC=C(N)C(N)=C1 JSYBAZQQYCNZJE-UHFFFAOYSA-N 0.000 description 1
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003461 sulfonyl halides Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
- B01D67/00793—Dispersing a component, e.g. as particles or powder, in another component
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1214—Chemically bonded layers, e.g. cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/148—Organic/inorganic mixed matrix membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/028—Molecular sieves
- B01D71/0281—Zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/14—Type A
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/20—Faujasite type, e.g. type X or Y
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/36—Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
- C01B39/38—Type ZSM-5
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/12—Adsorbents being present on the surface of the membranes or in the pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/028—Molecular sieves
Definitions
- the present invention relates to a high permeate flow rate reverse osmosis membrane comprising a surface treated zeolite and a method for producing the same.
- Separation membranes are classified into microfiltration (MF), ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO) according to pore size.
- the reverse osmosis membrane is a kind of semi-permeable membrane, when pressing in one direction of the aqueous solution in which the salt is dissolved, by using the principle that the separation of the solution and the solute occurs in a certain direction, to remove salts such as brackish water and sea water By removing, a large amount of industrial water, agricultural water, domestic water, and the like have been used for desalination with relatively low salt water.
- the anti-saline desalination process and the seawater desalination process using the reverse osmosis membrane when passing the reverse osmosis membrane by pressing an aqueous solution in which salt or ions are dissolved, the salt or ions in the aqueous solution does not pass through the membrane
- Filtered and purified water refers to the process of passing through the membrane.
- the salt removal ability is excellent, and a characteristic that a large amount of purified water can pass through the membrane even at a relatively low pressure, That is, it must have characteristics of high permeate flow rate.
- Korean Patent Registration No. 0477590 (published Oct. 5, 2000) relates to a method for producing a high flow rate reverse osmosis membrane, and is coated with one or two or more aqueous water-soluble polyfunctional amine aqueous solutions on a support layer, and then removes the excess solution.
- a high flow rate reverse osmosis membrane is prepared by contacting the support layer with an organic solvent in which an amine-reactive compound such as halide and phosphinyl alkyl chloride are dissolved together, thereby causing the interfacial polymerization to occur on the surface of the support layer.
- a method is disclosed.
- the prior art is that the phosphinyl alkyl chloride is added during the interfacial polymerization reaction to form a polyamide active layer, the phosphinyl alkyl chloride participates in the interfacial polymerization reaction to densify the fine surface structure while having fluidity and integrity Play a role.
- the prior art has the advantage of increasing the permeate flow rate, but there is a problem that the salt removal rate is not maintained at a certain level and the deviation is severe.
- Korean Unexamined Patent Publication No. 1996-0013437 (published on May 22, 1996) relates to a method for producing reverse osmosis module housings provided with antibacterial properties, and includes a porous support laminated on a polyester nonwoven fabric and a polyfunctional amine on the surface thereof.
- the reverse osmosis module housing is excellent in antibacterial to improve the ability to remove bacteria by assembling in a modular housing manufactured by kneading.
- this is a module element formed by winding a composite semi-permeable membrane in a spiral wound form in a module housing including zeolite, and is intended to improve antimicrobial properties, but has no effect on improving the permeate flow rate and salt removal rate of the polyamide-based active layer.
- the complex structure has a limitation in applying to various fields.
- the applicant of the present invention has invented the present invention as a result of repeated studies.
- the present invention is to provide a method for producing a reverse osmosis membrane with improved permeate flow rate and salt removal rate and a reverse osmosis membrane using the same.
- the present invention provides a reverse osmosis membrane comprising a polyamide active layer formed on a porous support and a zeolite surface-treated with a compound having at least one functional group selected from the group consisting of amino groups and glycidyl groups.
- the compound may be a silane compound having one or more functional groups selected from the group consisting of amino groups and glycidyl groups.
- the surface-treated zeolite is a zeolite surface-treated with a compound having an amino group, and the amino group may form a chemical bond with the polyamide active layer.
- the zeolite may have a Zeolite Socony Mobil-five (MFI) type, a Zeolite A (LTA) type, or a Faujasite (FAU) type structure.
- MFI Zeolite Socony Mobil-five
- LTA Zeolite A
- FAU Faujasite
- the difference between the maximum particle diameter and the minimum particle diameter of the surface-treated zeolite may be 10 to 200 nm.
- the average particle diameter of the surface-treated zeolite may be 50 to 200 nm.
- the present invention also provides a reverse osmosis membrane comprising forming a porous support and interfacially polymerizing a polyfunctional amine solution and a polyfunctional acid halide compound solution including a zeolite surface-treated on the porous support to form a polyamide active layer. It provides a manufacturing method.
- the surface treated zeolite may be included in an amount of 0.001% to 1% by weight based on 100% by weight of the multifunctional amine solution.
- the reverse osmosis membrane with improved permeate flow rate while maintaining the salt removal rate is above a certain level Can be prepared.
- a reverse osmosis membrane comprising a polyamide active layer comprising a surface-treated zeolite.
- Figure 2 is a photograph of the surface-treated zeolite (IV) prepared according to Preparation Example 5 of the present invention observed with a scanning electron microscope (Scanning Electron Microscope, SEM).
- FIG. 1 shows one embodiment of the reverse osmosis membrane of the present invention.
- the reverse osmosis membrane of the present invention is surface treated with a compound formed on the porous support 10 and the porous support 10 and having one or more functional groups selected from the group consisting of amino groups and glycidyl groups.
- a polyamide active layer 20 comprising the zeolite.
- the porous support 10 may be a polymer material layer 14 is formed on the nonwoven fabric 12, the nonwoven material, for example, polyester, polycarbonate, microporous polypropylene, polyphenylene Ether, polydivided vinylidene and the like may be used, but are not necessarily limited thereto.
- the nonwoven material for example, polyester, polycarbonate, microporous polypropylene, polyphenylene Ether, polydivided vinylidene and the like may be used, but are not necessarily limited thereto.
- polymer material examples include polysulfone, polyethersulfone, polyethylene oxide, polyimide, polyamide, polyetherimide, polyether ether ketone, polyacrylonitrile, polymethyl methacrylate, polyethylene, poly Any one selected from the group consisting of propylene, polymethylpentene, polymethylchloride and polyvinylidene fluoride can be used.
- the porous support 10 may have a thickness of about 100 ⁇ m to about 200 ⁇ m, about 120 ⁇ m to about 170 ⁇ m, and about 140 ⁇ m to about 150 ⁇ m. If the thickness of the porous support 10 is thinner than 100 ⁇ m, the reverse osmosis membrane is likely to be damaged because the pressure applied during the operation of the water treatment reverse osmosis membrane is high. This is because when the water exits, the passageway of the water is long, so the performance of the separator is likely to be deteriorated.
- the porous support 10 has a microporous structure, and has a pore size through which water can sufficiently permeate, and can be used without particular limitation as long as it can serve as a support for forming a polyamide active layer.
- the pore size of (10) may be 1 to 500 nm, or preferably 10 to 70 nm. This is because when the pore size of the porous support 10 is outside the numerical range, the polyamide active layer 20 is permeated between the pore diameters of the porous support 10, so that it is difficult to form a smooth membrane or the permeate flow rate may be reduced. .
- the pore size means the size of the hole.
- the polyamide active layer 20 is formed on the porous support 10, to perform a function of excluding salt, in the present invention, the polyamide active layer 20 includes a surface treated zeolite It is characterized by that.
- zeolites can be synthesized using hydrothermal synthesis.
- the basic unit constituting the zeolite is TO 4 , wherein T is, but is not limited to one, may be one or more selected from the group consisting of silicon element (Si), aluminum (aluminium) and titanium (Titanium). have.
- the present invention is characterized in that the zeolite is used by surface treatment with a compound having at least one functional group selected from the group consisting of amino groups and glycidyl groups.
- Zeolite may be uniformly included in the amide active layer 20.
- the amino group may be a substituted or unsubstituted amino group, for example, may be an unsubstituted amino group, amino alkyl group, alkyl amino group, amino alkylene group, or alkylene amino group.
- the glycidyl group may be a substituted or unsubstituted glycidyl group.
- the amino group on the surface of the zeolite participates in an interfacial polymerization reaction to form the polyamide active layer 20. That is, the amino group on the zeolite surface reacts with the polyfunctional acid halogen compound, and the amino group on the zeolite surface forms a chemical bond with the polyamide active layer 20.
- the adhesion between the polyamide active layer 20 and the zeolite is better, the zeolite does not cause defects in the polyamide active layer 20, and the zeolite may be uniformly included in the polyamide active layer 20.
- the surface treatment of the zeolite means that a bond such as a hydrogen bond, an ionic bond or a covalent bond is formed between at least one functional group selected from the group consisting of an amino group and a glycidyl group and a functional group on the zeolite surface. do.
- the surface-treated zeolite may be surface-treated with a silane compound having one or more functional groups selected from the group consisting of amino groups and glycidyl groups.
- the silane compound has an advantage that it is harmless to the human body.
- a bond may be stably formed between the silane compound and the functional group of the zeolite surface.
- the silane compound having at least one functional group selected from the group consisting of the amino group and the glycidyl group may be primary amine silanes, secondary amine silanes and / or tertiary amine silanes.
- the silane-based compound is not limited thereto, for example, 3-aminopropyltriethoxysilane, 3-aminopropyltrimethoxysilane, 4-aminobutyltri It may be at least one selected from the group consisting of ethoxysilane (4-aminobutyltriethoxysilane) and glycidoxypropyltrimethoxysilane.
- the zeolite may be classified into a Zeolite Socony Mobil-five (MFI) type, a Zeolite A (LTA) type, or a Faujasite (FAU) type depending on how the units constituting the zeolite are connected.
- MFI Zeolite Socony Mobil-five
- LTA Zeolite A
- FAU Faujasite
- the surface-treated zeolite of the present invention may have a pore of about 1.5 ⁇ to 3.5 ⁇ radius.
- the pore size is the size of hydrated Na + (hydrated ion radius is 4.2 kW) and Cl ⁇ (hydrated ion radius is 3.9 kW) ions. Since it is smaller, the removal efficiency of the Na + and Cl ⁇ ions can be increased.
- the zeolite has regular pores.
- the average particle diameter of the surface-treated zeolite may be 50 to 200 nm. Alternatively, the average particle diameter of the surface-treated zeolite may be 70 to 160 nm. If the average particle diameter of the zeolite is less than 50 nm, it may be difficult to uniformly synthesize the zeolite. In addition, when the average particle diameter of the zeolite exceeds 200 nm, surface defects may occur in the zeolite.
- the difference between the maximum particle diameter and the minimum particle diameter of the surface-treated zeolite may be 10 to 200 nm.
- the difference between the maximum particle diameter and the minimum particle diameter of the surface-treated zeolite may be 20 to 120 nm, or 100 to 150 nm. Even when the numerical range is satisfied, while the salt removal rate is maintained equal or more in the error range, the performance of the permeate flow rate can be improved.
- the polyamide active layer 20 of the present invention may be formed by interfacial polymerization of a polyfunctional amine solution containing the surface-treated zeolite and a polyfunctional acid halide compound solution.
- hydrophilic functional groups such as amino groups and / or glycidyl groups are present on the zeolite surface, dispersion can be well performed in an aqueous polyfunctional amine solution, and the hydrophilic functional groups react with the polyfunctional acid halogen compounds to form zeolite particles. Can be evenly distributed in the polyamide active layer 20.
- the thickness of the polyamide active layer 20 may be about several hundred nanometers, for example, 150 to 200 nm.
- the virtual pores of the polyamide active layer 20 may be 1 to 10 kPa, 2 to 5 kPa, or 2 to 3 kPa.
- the method for producing a reverse osmosis membrane of the present invention comprises the steps of forming a porous support and a multifunctional amine comprising a zeolite surface-treated with a compound having at least one functional group selected from the group consisting of amino groups and glycidyl groups on the porous support. Interfacially polymerizing the solution and the polyfunctional acid halogen compound solution to form a polyamide active layer.
- the forming of the porous support may be performed, for example, by forming a polymer material layer on a nonwoven fabric, wherein the formation of the polymer material layer is well known in the art, for example, , Casting, coating, dipping and the like can be carried out. At this time, the thickness and pore size of the nonwoven material, the material of the polymer and the porous support are the same as described above, so a detailed description thereof will be omitted.
- the forming of the polyamide active layer may include, for example, contacting the porous support with a polyfunctional amine solution including the surface-treated zeolite, and a polyfunctional acid halogen compound on the polyfunctional amine solution. And contacting the solution, wherein the polyfunctional amine compound and the polyfunctional acid halogen compound are interfacially polymerized to form a polyamide active layer.
- the polyfunctional amine solution is not limited thereto, but for example, m-phenylenediamine, p-phenylenediamine, 1,3,6-benzenetriamine, 4-chloro-1,3-phenylene Diamine, 6-chloro-1,3-phenylenediamine, 3-chloro-1,4-phenylenediamine, or mixtures thereof.
- the said polyfunctional amine solution makes water a solvent.
- the surface treated zeolite may be included in an amount of 0.001% by weight to 1% by weight based on the total weight of the multifunctional amine solution.
- the surface-treated zeolite may be included in an amount of 0.01 wt% to 0.1 wt% with respect to the total weight of the multifunctional amine solution.
- the surface-treated zeolite may not be effectively dispersed, thereby inducing defects in the reverse osmosis membrane active layer, and thus reducing salt removal rate. can do.
- when added to less than 0.001% by weight relative to 100% by weight of the multifunctional amine solution may be no difference from the reverse osmosis membrane without the zeolite added in an amount insufficient to contribute effectively to the improved performance.
- the polyfunctional acid halide compound solution is prepared by dissolving at least one reactant selected from the group consisting of polyfunctional acyl halides, polyfunctional sulfonyl halides, and polyfunctional isocyanates in an organic solvent.
- the polyfunctional acyl halides usable in the present invention may be one or more selected from the group consisting of trimezoyl chloride (TMC), isophthaloyl chloride (IPC) and terephthaloyl chloride (TPC).
- the organic solvent may be, but is not limited to, an aliphatic hydrocarbon solvent such as halogenated hydrocarbons such as freons and n-alkane having 8 to 12 carbon atoms, and for example, a hydrophobic liquid which is not mixed with water may be used.
- an aliphatic hydrocarbon solvent such as halogenated hydrocarbons such as freons and n-alkane having 8 to 12 carbon atoms
- a hydrophobic liquid which is not mixed with water may be used.
- hexane, cyclohexane, heptane organic solvents may be used, and Isol-C (Exxon), which is a mixture of alkanes having 8 to 12 carbon atoms, and Isol. -G (Exxon) can be used.
- the contact may be carried out by contact methods of solutions well known in the art, for example, dipping, coating, spraying, etc., is not particularly limited.
- the production method of the present invention may further include the step of removing the excess solution, if necessary, after the contacting step of the polyfunctional amine solution and / or the contacting step of the polyfunctional acid halogen solution.
- a drying step may be further included as necessary after the step of removing the excess solution.
- the production method of the present invention may further include a washing step and / or a drying step after the polyamide active layer forming step, wherein the washing liquid is preferably water.
- the washing time is not particularly limited, but is carried out for more than 12 hours to 1 day.
- the drying step is not particularly limited, but is preferably carried out for 1 hour or less.
- polysulfone solid 18 wt% polysulfone solid was added to a solution of N, N-dimethylformamide (hereinafter referred to as DMF), dissolved at 80 to 85 ° C. for at least 12 hours, and then homogenized.
- DMF N, N-dimethylformamide
- the polysulfone prepared above is cast to 45 to 50 ⁇ m on a 95 to 100 ⁇ m nonwoven fabric made of polyester, and then immersed in water. Thereby, the porous support containing a polysulfone layer can be obtained.
- TPAOH tetrapropylammonium hydroxide
- DIW deionized water
- zeolite (I) After cooling the autoclave at room temperature, the resulting MFI zeolite was washed several times with DIW using a centrifuge, dried at 70 ° C., and calcined at 550 ° C. for 5 hours to prepare zeolite (I).
- the zeolite (I) prepared by the above method had an average particle diameter of 90 nm, a minimum particle size of 80 nm, and a maximum particle diameter of 100 nm. In this case, a scanning electron microscope (SEM) was used for particle size measurement.
- SEM scanning electron microscope
- 0.34 g aluminum isopropoxide was further added to 30.6 g TPAOH and 11.7 g DIW mixed solution, followed by stirring for 1 hour. 17 g TEOS was further added thereto, stirred for 3 days, and then the stirred mixed solution was placed in an autoclave and subjected to hydrothermal reaction at 90 ° C. for 24 hours. After cooling the autoclave at room temperature, the resulting MFI zeolite was washed several times with DIW using a centrifuge, and the remaining solution, which had not precipitated, was placed in the autoclave and subjected to hydrothermal reaction once again at 180 ° C. for 7 hours.
- zeolite (II) After cooling the autoclave at room temperature, the resulting MFI zeolite was washed several times with DIW using a centrifuge, dried at 70 ° C., and calcined at 550 ° C. for 5 hours to prepare zeolite (II).
- Zeolite (II) prepared by the above method had an average particle diameter of 150 nm, a minimum particle diameter of 80 nm, and a maximum particle diameter of 200 nm. In this case, a scanning electron microscope (SEM) was used for particle size measurement.
- SEM scanning electron microscope
- 0.34 g aluminum isopropoxide was further added to 30.6 g TPAOH and 11.7 g DIW mixed solution, followed by stirring for 1 hour. 17 g TEOS was added thereto and stirred for 3 days, and then the stirred mixed solution was placed in an autoclave and subjected to hydrothermal reaction at 90 ° C. for 24 hours. After cooling the autoclave at room temperature, the resulting MFI zeolite was washed several times with DIW using a centrifuge, and the remaining solution, which had not precipitated, was placed in the autoclave and subjected to hydrothermal reaction once again at 120 ° C. for 24 hours.
- zeolite (III) After cooling the autoclave at room temperature, the resulting MFI zeolite was washed several times with DIW using a centrifuge, dried at 70 ° C., and calcined at 550 ° C. for 5 hours to prepare zeolite (III).
- Zeolite (III) prepared by the above method had an average particle diameter of 80 nm, a minimum particle diameter of 50 nm, and a maximum particle diameter of 100 nm. In this case, a scanning electron microscope (SEM) was used for particle size measurement.
- SEM scanning electron microscope
- zeolite (I) 500 ml ethanol (EtOH), 40 ml DIW, 20 ml ammonium hydroxide (NH 4 OH) was added and stirred, and 0.5 g of zeolite (I) prepared in Preparation Example 2 was added thereto and stirred. 5ml 3-aminopropyl triethoxysilane was added to the stirred solution, stirred for 30 minutes, sealed, and left to stand in an oven at 80 ° C. for 4 hours. The zeolite was separated using a centrifuge to treat the surface. Zeolite (IV) was obtained.
- the zeolite (V) surface-treated in the same manner as in Preparation Example 5 was obtained except that the zeolite (II) prepared in Preparation Example 3 was used instead of the zeolite (I) prepared in Preparation Example 2.
- a zeolite (VI) surface-treated in the same manner as in Preparation Example 5 was obtained except that the zeolite (III) prepared in Preparation Example 4 was used instead of the zeolite (I) prepared in Preparation Example 2.
- the porous support prepared according to Preparation Example 1 was prepared with 2 wt% of m-Phenylenediamine (hereinafter referred to as MPD) and 0.01 wt% of surface-treated zeolite (IV) obtained by Preparation Example 5. It was immersed in the aqueous solution for 2 minutes. At this time, in order to disperse the zeolite (IV), the particles were used after undergoing sonication for 1 hour or more. Then, the excess aqueous solution on the porous support was removed using a 25 psi roller and dried at room temperature for 1 minute. Thereafter, the coated porous support was dissolved in 0.1 wt / vol% (wt / v%) in Isol C solvent (SKC Corp.).
- MPD m-Phenylenediamine
- IV surface-treated zeolite
- TMC polyfunctional acid halogen compound containing 1,3,5-benzenetricarbonyl trichloride
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 1 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.01 wt% of the surface-treated zeolite (V) obtained in Preparation Example 6 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.1 wt% of the surface-treated zeolite (V) obtained in Preparation Example 6 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 1 wt% of the surface-treated zeolite (V) obtained in Preparation Example 6 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.01 wt% of the surface-treated zeolite (VI) obtained in Preparation Example 7 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.1 wt% of the surface-treated zeolite (VI) obtained in Preparation Example 7 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 1% by weight of the surface-treated zeolite (VI) obtained in Preparation Example 7 was used instead of 0.01% by weight of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- a reverse osmosis membrane was prepared in the same manner as in Example 1 except that the zeolite was not added.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.1 wt% of zeolite (I) obtained in Preparation Example 2 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.1 wt% of zeolite (III) obtained in Preparation Example 4 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5.
- a reverse osmosis membrane was prepared in the same manner as in Example 1, except that 0.01 wt% of the surface-treated zeolite (VII) obtained in Preparation Example 8 was used instead of 0.01 wt% of the surface-treated zeolite (IV) obtained in Preparation Example 5. It was.
- the reverse osmosis membrane cell apparatus used for the membrane evaluation includes a flat permeate cell, a high pressure pump, a reservoir and a cooling device.
- the structure of the plate-shaped transmission cell is cross-flow, and the effective transmission area is 140 cm 2 .
- Example 1 98.34 36.61
- Example 2 98.99 42.03
- Example 3 97.83 51.75
- Example 4 97.46 48.81
- Example 5 97.59 42.91
- Example 6 99.70 39.97
- Example 7 98.06 39.13
- Example 8 98.01 40.59 Comparative Example 1 98.14 34.50 Comparative Example 2 97.80 35.77 Comparative Example 3 97.52 36.16 Comparative Example 4 93.97 49.84
- Comparative Example 4 in which the zeolite was surface treated with chlorodimethyl octadecylsilane, the initial salt removal rate was very low, about 93.97%, which was reduced by 5% compared to Example 1. This is because when a zeolite surface-treated with chlorodimethyl octadecylsilane is added in forming a polyamide active layer by interfacial polymerization, the linear structure of chlorodimethyl octadecylsilane causes defects at the interface. This is because the zeolite does not bond well with the polyamide active layer.
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Abstract
Description
구분 | 초기 염제거율 (%) | 초기 투과유량 (GFD) |
실시예 1 | 98.34 | 36.61 |
실시예 2 | 98.99 | 42.03 |
실시예 3 | 97.83 | 51.75 |
실시예 4 | 97.46 | 48.81 |
실시예 5 | 97.59 | 42.91 |
실시예 6 | 99.70 | 39.97 |
실시예 7 | 98.06 | 39.13 |
실시예 8 | 98.01 | 40.59 |
비교예 1 | 98.14 | 34.50 |
비교예 2 | 97.80 | 35.77 |
비교예 3 | 97.52 | 36.16 |
비교예 4 | 93.97 | 49.84 |
Claims (8)
- 다공성 지지체; 및상기 다공성 지지체 상에 형성되고, 아미노기 및 글리시딜기로 이루어진 군으로부터 선택되는 하나 이상의 작용기를 가지는 화합물로 표면 처리된 제올라이트를 포함하는 폴리아미드 활성층을 포함하는 역삼투막.
- 청구항 1에 있어서,상기 화합물은 아미노기 및 글리시딜기로 이루어진 군으로부터 선택되는 하나 이상의 작용기를 가지는 실란계 화합물인 역삼투막.
- 청구항 1에 있어서,상기 표면 처리된 제올라이트는 아미노기를 갖는 화합물로 표면 처리된 제올라이트이며, 상기 아미노기가 폴리아미드 활성층과 화학적 결합을 형성하는 역삼투막.
- 청구항 1에 있어서,상기 제올라이트는 MFI(Zeolite Socony Mobil-five)형, LTA(Zeolite A)형, 또는 FAU(Faujasite)형 구조인 역삼투막.
- 청구항 1에 있어서,상기 표면 처리된 제올라이트의 최대입경과 최소입경의 차이가 10 내지 200nm인 역삼투막.
- 청구항 1에 있어서,상기 표면 처리된 제올라이트의 평균입경이 50 내지 200nm인 역삼투막.
- 다공성 지지체를 형성하는 단계; 및상기 다공성 지지체 상에, 아미노기 및 글리시딜기로 이루어진 군으로부터 선택되는 하나 이상의 작용기를 가지는 화합물로 표면 처리된 제올라이트를 포함하는 다관능성 아민 용액 및 다관능성 산할로겐 화합물 용액을 계면중합시켜 폴리아미드 활성층을 형성하는 단계를 포함하는 역삼투막 제조방법.
- 청구항 7에 있어서,상기 표면 처리된 제올라이트는 다관능성 아민 용액 100 중량%에 대하여 0.001 중량% 내지 1 중량%로 포함되는 것인 역삼투막 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US14/005,902 US9415351B2 (en) | 2012-06-08 | 2013-06-07 | High permeate flux reverse osmosis membrane including surface-treated zeolite and method of manufacturing the same |
EP13800894.1A EP2859939B1 (en) | 2012-06-08 | 2013-06-07 | Reverse osmosis membrane with high permeation flux comprising surface-treated zeolite, and method for preparing same |
CN201380002483.2A CN103906561A (zh) | 2012-06-08 | 2013-06-07 | 包含经表面处理过的沸石的高渗透通量反渗透膜及其制备方法 |
JP2014520153A JP2014521494A (ja) | 2012-06-08 | 2013-06-07 | 表面処理されたゼオライトを含む高透過流量逆浸透膜及びこれを製造する方法 |
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KR10-2012-0061812 | 2012-06-08 | ||
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KR1020130065379A KR20130138137A (ko) | 2012-06-08 | 2013-06-07 | 표면 처리된 제올라이트를 포함하는 고투과 유량 역삼투막 및 이를 제조하는 방법 |
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10934198B1 (en) * | 2014-02-08 | 2021-03-02 | Mansour S. Bader | Relative non-wettability of a purification membrane |
AU2016409504B2 (en) * | 2016-05-30 | 2022-06-23 | University Of The Witwatersrand, Johannesburg | Acid mine drainage treatment means |
CN110520468B (zh) * | 2017-04-10 | 2021-11-02 | 株式会社亚都玛科技 | 树脂组合物用填料、含填料的浆料组合物以及含填料的树脂组合物 |
US11613625B2 (en) | 2017-04-10 | 2023-03-28 | Admatechs Co., Ltd. | Filler for resinous composition, filler-containing slurry composition and filler-containing resinous composition |
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CN117180989B (zh) * | 2023-09-19 | 2024-04-05 | 广东诚刻新材料有限公司 | 一种有机无机杂化超滤膜及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050103992A (ko) * | 2004-04-27 | 2005-11-02 | 한국전력공사 | 실란-폴리아미드 복합막 및 그 제조방법 |
US20080237126A1 (en) * | 2006-10-27 | 2008-10-02 | Hoek Eric M V | Micro-and nanocomposite support structures for reverse osmosis thin film membranes |
KR20100083700A (ko) * | 2009-01-14 | 2010-07-22 | 경희대학교 산학협력단 | 내구성이 향상된 역삼투 분리막의 제조방법 |
WO2010123926A2 (en) * | 2009-04-24 | 2010-10-28 | Headwaters Technology Innovation, Llc | Zeolite membrane and methods of making and using same for water desalination |
KR20110011626A (ko) * | 2008-04-15 | 2011-02-08 | 나노에이치투오, 인코포레이티드. | 하이브리드 나노 입자 tfc 멤브레인 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960013437A (ko) | 1994-10-27 | 1996-05-22 | 박홍기 | 항균성이 부여된 역삼투 모듈하우징의 제조방법 |
DE19853971B4 (de) * | 1998-11-23 | 2011-06-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Anorganisch/organische Polysiloxanhybridpolymere und ihre Verwendung |
KR100477590B1 (ko) | 1999-03-09 | 2005-03-18 | 주식회사 새 한 | 고유량 역삼투막 제조방법 |
US7109140B2 (en) * | 2002-04-10 | 2006-09-19 | Virginia Tech Intellectual Properties, Inc. | Mixed matrix membranes |
RU2007137124A (ru) * | 2005-03-09 | 2009-04-20 | Дзе Риджентс Оф Дзе Юниверсити Оф Калифорния (Us) | Нанокомпозитные мембраны и способы их получения и применения |
JP4514721B2 (ja) * | 2006-02-09 | 2010-07-28 | 株式会社東芝 | 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気抵抗効果ヘッド、磁気記録再生装置及び磁気記憶装置 |
JP4932408B2 (ja) | 2006-09-25 | 2012-05-16 | 日本バイリーン株式会社 | 不織布及びそれを用いたエアフィルタ用濾材 |
GB0621816D0 (en) * | 2006-11-02 | 2006-12-13 | Westfaelische Wilhelms Uni Mun | Imaging of cells or viruses |
US20100224555A1 (en) | 2007-09-21 | 2010-09-09 | Hoek Eric M V | Nanocomposite membranes and methods of making and using same |
CN102089068A (zh) * | 2008-04-15 | 2011-06-08 | 纳米水公司 | 混杂的纳米粒子tfc膜 |
US8177978B2 (en) | 2008-04-15 | 2012-05-15 | Nanoh20, Inc. | Reverse osmosis membranes |
CN101318111B (zh) * | 2008-07-11 | 2012-07-25 | 清华大学 | 一种硅烷修饰沸石填充硅橡胶复合膜的制备方法 |
US8544658B2 (en) * | 2008-08-05 | 2013-10-01 | Polymers Crc Limited | Functionalized thin film polyamide membranes |
CN102361683A (zh) * | 2009-03-24 | 2012-02-22 | 三菱化学株式会社 | 沸石膜、分离膜和成分分离方法 |
CN102114392B (zh) | 2010-11-04 | 2013-04-24 | 浙江大学 | 一种含改性纳米沸石分子筛的反渗透复合膜的制备方法 |
EP2637773B1 (en) * | 2010-11-10 | 2019-10-30 | NanoH2O Inc. | Improved hybrid tfc ro membranes with non-metallic additives |
CN102228801B (zh) * | 2011-05-16 | 2014-03-12 | 何涛 | 高通量、高盐截留率的疏水改性蒸馏膜材料及其应用 |
JP5692885B2 (ja) * | 2011-12-08 | 2015-04-01 | エルジー・ケム・リミテッド | 銀ナノワイヤ層を含む逆浸透膜及びその製造方法 |
CN102430349A (zh) * | 2011-12-22 | 2012-05-02 | 中国海洋大学 | 一种反渗透复合膜及其制备方法 |
KR101466701B1 (ko) * | 2012-03-20 | 2014-11-28 | 고려대학교 산학협력단 | 다양한 나노 구조를 갖는 헤마타이트 산화철의 제조방법 |
US10456754B2 (en) * | 2014-08-08 | 2019-10-29 | University Of Southern California | High performance membranes for water reclamation using polymeric and nanomaterials |
-
2013
- 2013-06-07 KR KR1020130065379A patent/KR20130138137A/ko active Search and Examination
- 2013-06-07 EP EP13800894.1A patent/EP2859939B1/en active Active
- 2013-06-07 US US14/005,902 patent/US9415351B2/en active Active
- 2013-06-07 CN CN201380002483.2A patent/CN103906561A/zh active Pending
- 2013-06-07 WO PCT/KR2013/005052 patent/WO2013183969A1/ko active Application Filing
- 2013-06-07 JP JP2014520153A patent/JP2014521494A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050103992A (ko) * | 2004-04-27 | 2005-11-02 | 한국전력공사 | 실란-폴리아미드 복합막 및 그 제조방법 |
US20080237126A1 (en) * | 2006-10-27 | 2008-10-02 | Hoek Eric M V | Micro-and nanocomposite support structures for reverse osmosis thin film membranes |
KR20110011626A (ko) * | 2008-04-15 | 2011-02-08 | 나노에이치투오, 인코포레이티드. | 하이브리드 나노 입자 tfc 멤브레인 |
KR20100083700A (ko) * | 2009-01-14 | 2010-07-22 | 경희대학교 산학협력단 | 내구성이 향상된 역삼투 분리막의 제조방법 |
WO2010123926A2 (en) * | 2009-04-24 | 2010-10-28 | Headwaters Technology Innovation, Llc | Zeolite membrane and methods of making and using same for water desalination |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11192793B2 (en) | 2018-11-29 | 2021-12-07 | Johnson Matthey Public Limited Company | Method |
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US20150321151A1 (en) | 2015-11-12 |
EP2859939A1 (en) | 2015-04-15 |
JP2014521494A (ja) | 2014-08-28 |
CN103906561A (zh) | 2014-07-02 |
US9415351B2 (en) | 2016-08-16 |
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