WO2014107523A2 - Dérivés de polyamide tolérant le chlore pour préparer des membranes d'osmose inverse résistant à l'encrassement biologique et membranes les utilisant - Google Patents
Dérivés de polyamide tolérant le chlore pour préparer des membranes d'osmose inverse résistant à l'encrassement biologique et membranes les utilisant Download PDFInfo
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- WO2014107523A2 WO2014107523A2 PCT/US2014/010091 US2014010091W WO2014107523A2 WO 2014107523 A2 WO2014107523 A2 WO 2014107523A2 US 2014010091 W US2014010091 W US 2014010091W WO 2014107523 A2 WO2014107523 A2 WO 2014107523A2
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- Prior art keywords
- alkyl
- hydroxyl
- hydrogen
- amino
- thio
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Links
- 239000012528 membrane Substances 0.000 title claims abstract description 179
- 238000001223 reverse osmosis Methods 0.000 title claims description 24
- 229920002647 polyamide Polymers 0.000 title description 24
- 239000004952 Polyamide Substances 0.000 title description 20
- 239000010409 thin film Substances 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 46
- 229920000768 polyamine Polymers 0.000 claims abstract description 23
- 150000001266 acyl halides Chemical class 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 154
- -1 amino, hydroxyl Chemical group 0.000 claims description 127
- 229910052739 hydrogen Inorganic materials 0.000 claims description 121
- 239000001257 hydrogen Substances 0.000 claims description 121
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 100
- 239000010408 film Substances 0.000 claims description 67
- 150000002431 hydrogen Chemical group 0.000 claims description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 125000003342 alkenyl group Chemical group 0.000 claims description 38
- 125000000304 alkynyl group Chemical group 0.000 claims description 38
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 28
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000460 chlorine Substances 0.000 claims description 20
- 229910052801 chlorine Inorganic materials 0.000 claims description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 19
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 229920002492 poly(sulfone) Polymers 0.000 claims description 12
- 238000009736 wetting Methods 0.000 claims description 11
- 238000004132 cross linking Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000004695 Polyether sulfone Substances 0.000 claims description 5
- 229920006393 polyether sulfone Polymers 0.000 claims description 5
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920000767 polyaniline Polymers 0.000 claims description 2
- 125000001475 halogen functional group Chemical group 0.000 claims 24
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 abstract description 4
- 125000005843 halogen group Chemical group 0.000 description 76
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- 239000007788 liquid Substances 0.000 description 18
- 229920000642 polymer Polymers 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 13
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 12
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- 239000000463 material Substances 0.000 description 11
- 125000003118 aryl group Chemical group 0.000 description 10
- 230000035699 permeability Effects 0.000 description 9
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical group ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 8
- 239000002131 composite material Substances 0.000 description 8
- 125000000753 cycloalkyl group Chemical group 0.000 description 8
- 125000000392 cycloalkenyl group Chemical group 0.000 description 7
- 125000001072 heteroaryl group Chemical group 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000001728 nano-filtration Methods 0.000 description 6
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 6
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
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- 238000012695 Interfacial polymerization Methods 0.000 description 3
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- 238000003688 Orton rearrangement reaction Methods 0.000 description 3
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- 0 C*(C1C(*)(C*)*1*C(*)(*)*C(C)(C)*O)C(*)(*)*(C)C(*)(*)*C(*)(*)N* Chemical compound C*(C1C(*)(C*)*1*C(*)(*)*C(C)(C)*O)C(*)(*)*(C)C(*)(*)*C(*)(*)N* 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
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- 239000004721 Polyphenylene oxide 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
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 125000005233 alkylalcohol group Chemical group 0.000 description 2
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- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
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- 239000012530 fluid Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- PKWIYNIDEDLDCJ-UHFFFAOYSA-N guanazole Chemical compound NC1=NNC(N)=N1 PKWIYNIDEDLDCJ-UHFFFAOYSA-N 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
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- 125000000547 substituted alkyl group Chemical group 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
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- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
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- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 description 1
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 description 1
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- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000000305 Fourier transform infrared microscopy Methods 0.000 description 1
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
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- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- SBOJXQVPLKSXOG-UHFFFAOYSA-N o-amino-hydroxylamine Chemical compound NON SBOJXQVPLKSXOG-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 150000003511 tertiary amides Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/30—Chemical resistance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Definitions
- FIG. 3 show representative data pertaining to the surface topography of as-cast MPD-TMC (3A) and DAP-TMC membranes (3B).
- the terms “optional” or “optionally” means that the subsequently described event or circumstance may or may not occur, and that the description includes instances where said event or circumstance occurs and instances where it does not.
- the terms “effective amount” and “amount effective” refer to an amount that is sufficient to achieve the desired result or to have an effect on an undesired condition.
- oligomer refers to a relatively low molecular weight polymer in which the number of repeating units is between two and ten, for example, from two to eight, from two to six, or form two to four.
- a collection of oligomers can have an average number of repeating units of from about two to about ten, for example, from about two to about eight, from about two to about six, or form about two to about four.
- alkenyl is a hydrocarbon group of 2 to 24 carbon atoms with a structural formula containing at least one carbon-carbon double bond.
- the alkenyl group can be unsubstituted or substituted with one or more groups including, but not limited to, alkyl, cycloalkyl, alkoxy, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, aryl, heteroaryl, aldehyde, amino, carboxylic acid, ester, ether, halide, hydroxy, ketone, azide, nitro, silyl, sulfo-oxo, or thiol, as described herein.
- Non-limiting examples of alkenyls include C2-18 alkenyl, C2-12 alkenyl, C2-8 alkenyl, C2-6 alkenyl, and C2-3 alkenyl.
- the invention relates to chlorine-tolerant membranes comprising: a) a porous support membrane; b) a thin film layered on a surface of the support membrane, wherein the film is produced by the reaction of (i) a polyfunctional acyl halide with (ii) a polyamine having the structure:
- the disclosed chlorine-tolerant polymer membranes allow the chlorination and re- chlorination steps of liquid purification to be eliminated, significantly reducing the complexities of these processes and improving the longevity of the membranes. The resulting process reduces the cost of producing pure water for commercial, agricultural, livestock, and human consumption applications. [0052] It is understood that the disclosed compositions, mixtures, and membranes can be employed in connection with the disclosed methods and uses.
- p is an integer from 0-6.
- p can be 0.
- p can be 1.
- p can be 2, 3, 4, 5, or 6.
- AC3 ⁇ 4 2 ⁇ ( ⁇ + ⁇ -V ⁇ ) + 2 ⁇ ( ⁇ ⁇
- polyfunctional amine and acyl halide can be applied to the porous support from a solution, they can alternatively be applied by other means such as by vapor deposition, or heat.
- nanoparticles in particular silver-exchanged Zeolite A nanoparticles, disposed within the nanocomposite membranes, less frequent chemical cleanings and lower operating pressures are typically required, thereby offering additional savings to owners and operators of these processes.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Selon un aspect, l'invention concerne des membranes tolérant le chlore et des procédés s'y rapportant, la membrane comprenant un film mince obtenu par réaction d'un halogénure d'acyle polyfonctionnel et d'une polyamine. Le présent abrégé est proposé à titre d'outil d'exploration à des fins de recherche dans cette technique particulière et n'est pas destiné à limiter la présente invention.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361748431P | 2013-01-02 | 2013-01-02 | |
US61/748,431 | 2013-01-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014107523A2 true WO2014107523A2 (fr) | 2014-07-10 |
WO2014107523A3 WO2014107523A3 (fr) | 2014-10-23 |
Family
ID=51062548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2014/010091 WO2014107523A2 (fr) | 2013-01-02 | 2014-01-02 | Dérivés de polyamide tolérant le chlore pour préparer des membranes d'osmose inverse résistant à l'encrassement biologique et membranes les utilisant |
Country Status (1)
Country | Link |
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WO (1) | WO2014107523A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108348870A (zh) * | 2016-05-18 | 2018-07-31 | 株式会社Lg化学 | 用于制造水处理分离件的方法、使用其制造的水处理分离件以及包括水处理分离件的水处理模块 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4911844A (en) * | 1980-09-16 | 1990-03-27 | Aligena Ag | Modified polyvinylalcohol containing semipermeable composite membranes, process for their manufacture and their use |
US5152901A (en) * | 1990-09-14 | 1992-10-06 | Ionics, Incorporated | Polyamine-polyamide composite nanofiltration membrane for water softening |
US6177011B1 (en) * | 1996-03-18 | 2001-01-23 | Nitto Denko Corporation | Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same |
US7537697B2 (en) * | 2006-02-01 | 2009-05-26 | Woongjin Chemical Co., Ltd. | Selective membrane having a high fouling resistance |
-
2014
- 2014-01-02 WO PCT/US2014/010091 patent/WO2014107523A2/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4911844A (en) * | 1980-09-16 | 1990-03-27 | Aligena Ag | Modified polyvinylalcohol containing semipermeable composite membranes, process for their manufacture and their use |
US5152901A (en) * | 1990-09-14 | 1992-10-06 | Ionics, Incorporated | Polyamine-polyamide composite nanofiltration membrane for water softening |
US6177011B1 (en) * | 1996-03-18 | 2001-01-23 | Nitto Denko Corporation | Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same |
US7537697B2 (en) * | 2006-02-01 | 2009-05-26 | Woongjin Chemical Co., Ltd. | Selective membrane having a high fouling resistance |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108348870A (zh) * | 2016-05-18 | 2018-07-31 | 株式会社Lg化学 | 用于制造水处理分离件的方法、使用其制造的水处理分离件以及包括水处理分离件的水处理模块 |
EP3369475A4 (fr) * | 2016-05-18 | 2019-01-02 | LG Chem, Ltd. | Procédé de fabrication d'un séparateur de traitement d'eau, séparateur de traitement d'eau fabriqué au moyen de celui-ci, et module de traitement d'eau comprenant un séparateur de traitement d'eau |
US10688449B2 (en) | 2016-05-18 | 2020-06-23 | Lg Chem, Ltd. | Method for manufacturing water treatment separator, water treatment separator manufactured using same, and water treatment module comprising water treatment separator |
CN108348870B (zh) * | 2016-05-18 | 2020-12-01 | 株式会社Lg化学 | 水处理分离件的制造方法、使用其制造的水处理分离件及包括水处理分离件的水处理模块 |
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WO2014107523A3 (fr) | 2014-10-23 |
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