SG188619A1 - Thin film composite membranes for forward osmosis, and their preparation methods - Google Patents
Thin film composite membranes for forward osmosis, and their preparation methods Download PDFInfo
- Publication number
- SG188619A1 SG188619A1 SG2013020771A SG2013020771A SG188619A1 SG 188619 A1 SG188619 A1 SG 188619A1 SG 2013020771 A SG2013020771 A SG 2013020771A SG 2013020771 A SG2013020771 A SG 2013020771A SG 188619 A1 SG188619 A1 SG 188619A1
- Authority
- SG
- Singapore
- Prior art keywords
- membrane
- forward osmosis
- support layer
- layer
- thin film
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 194
- 238000009292 forward osmosis Methods 0.000 title claims abstract description 73
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 239000010409 thin film Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000004952 Polyamide Substances 0.000 claims abstract description 31
- 229920002647 polyamide Polymers 0.000 claims abstract description 31
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 21
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 20
- 239000012510 hollow fiber Substances 0.000 claims abstract description 18
- 239000004760 aramid Substances 0.000 claims abstract description 14
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 12
- 238000012695 Interfacial polymerization Methods 0.000 claims abstract description 11
- 230000036571 hydration Effects 0.000 claims abstract description 10
- 238000006703 hydration reaction Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 8
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002041 carbon nanotube Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 9
- 229960003638 dopamine Drugs 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- -1 poly(vinylidene fluoride) Polymers 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000013270 controlled release Methods 0.000 claims description 5
- 239000002440 industrial waste Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 239000002033 PVDF binder Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 38
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- 230000004907 flux Effects 0.000 description 16
- 239000002904 solvent Substances 0.000 description 14
- 238000013459 approach Methods 0.000 description 13
- 229920000784 Nomex Polymers 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000004763 nomex Substances 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 229920001477 hydrophilic polymer Polymers 0.000 description 7
- 235000008935 nutritious Nutrition 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 235000013361 beverage Nutrition 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000012527 feed solution Substances 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 241000243142 Porifera Species 0.000 description 4
- 150000001263 acyl chlorides Chemical class 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000003204 osmotic effect Effects 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229920000271 Kevlar® Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-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
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 235000008504 concentrate Nutrition 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229920001427 mPEG Polymers 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000614 phase inversion technique Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- 230000002522 swelling effect Effects 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- SXGMVGOVILIERA-UHFFFAOYSA-N (2R,3S)-2,3-diaminobutanoic acid Natural products CC(N)C(N)C(O)=O SXGMVGOVILIERA-UHFFFAOYSA-N 0.000 description 1
- CMXIILNXYHCYPP-UHFFFAOYSA-N 1-(2-methoxyethoxy)propan-2-amine Chemical compound COCCOCC(C)N CMXIILNXYHCYPP-UHFFFAOYSA-N 0.000 description 1
- WTFAGPBUAGFMQX-UHFFFAOYSA-N 1-[2-[2-(2-aminopropoxy)propoxy]propoxy]propan-2-amine Chemical compound CC(N)COCC(C)OCC(C)OCC(C)N WTFAGPBUAGFMQX-UHFFFAOYSA-N 0.000 description 1
- KKTUQAYCCLMNOA-UHFFFAOYSA-N 2,3-diaminobenzoic acid Chemical compound NC1=CC=CC(C(O)=O)=C1N KKTUQAYCCLMNOA-UHFFFAOYSA-N 0.000 description 1
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- VXPZSDUXKPVHJC-UHFFFAOYSA-N benzene-1,2,3-tricarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1C(Cl)=O VXPZSDUXKPVHJC-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
- 239000002551 biofuel Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 235000021579 juice concentrates Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- YPJJABHAGGFGAM-UHFFFAOYSA-M lithium;n,n-dimethylacetamide;chloride Chemical compound [Li+].[Cl-].CN(C)C(C)=O YPJJABHAGGFGAM-UHFFFAOYSA-M 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 230000008384 membrane barrier Effects 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229950004354 phosphorylcholine Drugs 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 235000011496 sports drink Nutrition 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D61/002—Forward osmosis or direct osmosis
-
- 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
- B01D67/00791—Different components in separate layers
-
- 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
-
- 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
- B01D69/06—Flat membranes
-
- 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
- B01D69/08—Hollow fibre membranes
-
- 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
- B01D69/105—Support pretreatment
-
- 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
-
- 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
- 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
-
- 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
- B01D71/021—Carbon
- B01D71/0212—Carbon nanotubes
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
- B01D71/441—Polyvinylpyrrolidone
-
- 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
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/38—Graft polymerization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/40—Details relating to membrane preparation in-situ membrane formation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40430210P | 2010-09-30 | 2010-09-30 | |
| US201161465871P | 2011-03-25 | 2011-03-25 | |
| PCT/US2011/001701 WO2012047282A2 (en) | 2010-09-30 | 2011-09-30 | Thin film composite membranes for forward osmosis, and their preparation methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG188619A1 true SG188619A1 (en) | 2013-04-30 |
Family
ID=45888894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2013020771A SG188619A1 (en) | 2010-09-30 | 2011-09-30 | Thin film composite membranes for forward osmosis, and their preparation methods |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8920654B2 (OSRAM) |
| EP (1) | EP2621615B1 (OSRAM) |
| JP (2) | JP6276590B2 (OSRAM) |
| KR (1) | KR101892108B1 (OSRAM) |
| CN (1) | CN103140278B (OSRAM) |
| AU (1) | AU2011312881B2 (OSRAM) |
| DK (1) | DK2621615T3 (OSRAM) |
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2011
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- 2011-09-30 US US13/200,780 patent/US8920654B2/en active Active
- 2011-09-30 EP EP11831039.0A patent/EP2621615B1/en active Active
- 2011-09-30 KR KR1020137011268A patent/KR101892108B1/ko active Active
- 2011-09-30 SG SG2013020771A patent/SG188619A1/en unknown
- 2011-09-30 JP JP2013531565A patent/JP6276590B2/ja active Active
- 2011-09-30 AU AU2011312881A patent/AU2011312881B2/en active Active
- 2011-09-30 DK DK11831039.0T patent/DK2621615T3/da active
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|---|---|
| WO2012047282A3 (en) | 2012-06-21 |
| CN103140278B (zh) | 2015-06-10 |
| JP2017039130A (ja) | 2017-02-23 |
| US20120080378A1 (en) | 2012-04-05 |
| WO2012047282A2 (en) | 2012-04-12 |
| DK2621615T3 (da) | 2020-09-28 |
| CN103140278A (zh) | 2013-06-05 |
| AU2011312881A1 (en) | 2013-04-11 |
| EP2621615A4 (en) | 2015-06-17 |
| IL225462B (en) | 2019-01-31 |
| US8920654B2 (en) | 2014-12-30 |
| JP2013545593A (ja) | 2013-12-26 |
| EP2621615A2 (en) | 2013-08-07 |
| IL225462A0 (en) | 2013-06-27 |
| AU2011312881B2 (en) | 2015-07-16 |
| KR20140040065A (ko) | 2014-04-02 |
| EP2621615B1 (en) | 2020-07-15 |
| KR101892108B1 (ko) | 2018-08-27 |
| JP6276590B2 (ja) | 2018-02-07 |
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