ES2364041T3 - Membranas de halar. - Google Patents
Membranas de halar. Download PDFInfo
- Publication number
- ES2364041T3 ES2364041T3 ES03739399T ES03739399T ES2364041T3 ES 2364041 T3 ES2364041 T3 ES 2364041T3 ES 03739399 T ES03739399 T ES 03739399T ES 03739399 T ES03739399 T ES 03739399T ES 2364041 T3 ES2364041 T3 ES 2364041T3
- Authority
- ES
- Spain
- Prior art keywords
- polymer
- membrane
- solvent
- halar
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 147
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims abstract description 129
- 239000002904 solvent Substances 0.000 claims abstract description 94
- 229920000642 polymer Polymers 0.000 claims abstract description 88
- 235000013773 glyceryl triacetate Nutrition 0.000 claims abstract description 65
- 229960002622 triacetin Drugs 0.000 claims abstract description 65
- 238000000576 coating method Methods 0.000 claims abstract description 55
- 239000011248 coating agent Substances 0.000 claims abstract description 54
- 229920001780 ECTFE Polymers 0.000 claims abstract description 43
- 239000012530 fluid Substances 0.000 claims abstract description 39
- 239000012510 hollow fiber Substances 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 19
- 238000001471 micro-filtration Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 98
- 238000000034 method Methods 0.000 claims description 55
- 239000011148 porous material Substances 0.000 claims description 51
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 43
- 239000000377 silicon dioxide Substances 0.000 claims description 43
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 238000002386 leaching Methods 0.000 claims description 25
- 238000010791 quenching Methods 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 17
- 239000012633 leachable Substances 0.000 claims description 14
- 239000003518 caustics Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 3
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 2
- 235000013769 triethyl citrate Nutrition 0.000 claims 2
- 239000012071 phase Substances 0.000 abstract description 24
- 238000005191 phase separation Methods 0.000 abstract description 9
- 239000007791 liquid phase Substances 0.000 abstract description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- 229940061631 citric acid acetate Drugs 0.000 abstract 1
- 125000004494 ethyl ester group Chemical group 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 80
- 230000035699 permeability Effects 0.000 description 33
- 239000000243 solution Substances 0.000 description 28
- -1 ethylenechlorofluoroethylene Chemical group 0.000 description 24
- 230000008569 process Effects 0.000 description 23
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 19
- 238000012360 testing method Methods 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 14
- 239000000126 substance Substances 0.000 description 11
- 230000002209 hydrophobic effect Effects 0.000 description 10
- 229910002012 Aerosil® Inorganic materials 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 241000700605 Viruses Species 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 238000004626 scanning electron microscopy Methods 0.000 description 7
- 229920002307 Dextran Polymers 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 125000003821 2-(trimethylsilyl)ethoxymethyl group Chemical group [H]C([H])([H])[Si](C([H])([H])[H])(C([H])([H])[H])C([H])([H])C(OC([H])([H])[*])([H])[H] 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XKEFYDZQGKAQCN-UHFFFAOYSA-N 1,3,5-trichlorobenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1 XKEFYDZQGKAQCN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920000604 Polyethylene Glycol 200 Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910002016 Aerosil® 200 Inorganic materials 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000010874 maintenance of protein location Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000001330 spinodal decomposition reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004383 yellowing 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
- B01D67/0081—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
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
-
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0018—Thermally induced processes [TIPS]
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/18—Pore-control agents or pore formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
- B01D2323/22—Specific non-solvents or non-solvent system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
- B01D2325/0232—Dense layer on both outer sides of the membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Dispersion Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPS0466 | 2002-02-12 | ||
| AUPS0466A AUPS046602A0 (en) | 2002-02-12 | 2002-02-12 | Halar membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2364041T3 true ES2364041T3 (es) | 2011-08-23 |
Family
ID=3834067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES03739399T Expired - Lifetime ES2364041T3 (es) | 2002-02-12 | 2003-02-12 | Membranas de halar. |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP1474222B1 (enExample) |
| JP (1) | JP4656839B2 (enExample) |
| KR (1) | KR100991596B1 (enExample) |
| CN (1) | CN100500272C (enExample) |
| AT (1) | ATE505260T1 (enExample) |
| AU (1) | AUPS046602A0 (enExample) |
| CA (2) | CA2474625C (enExample) |
| DE (1) | DE60336707D1 (enExample) |
| ES (1) | ES2364041T3 (enExample) |
| MY (1) | MY135608A (enExample) |
| NZ (1) | NZ535133A (enExample) |
| WO (1) | WO2003068374A1 (enExample) |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ336455A (en) | 1996-12-20 | 2001-04-27 | Usf Filtration & Separations | A method for cleaning porous membranes using a gas bubble system |
| AUPR421501A0 (en) | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
| AUPR692401A0 (en) | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
| US7247238B2 (en) | 2002-02-12 | 2007-07-24 | Siemens Water Technologies Corp. | Poly(ethylene chlorotrifluoroethylene) membranes |
| AUPS300602A0 (en) | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
| KR101002466B1 (ko) | 2002-10-10 | 2010-12-17 | 지멘스 워터 테크놀로지스 코포레이션 | 역세척 방법 |
| AU2003903507A0 (en) | 2003-07-08 | 2003-07-24 | U. S. Filter Wastewater Group, Inc. | Membrane post-treatment |
| JP4611982B2 (ja) | 2003-08-29 | 2011-01-12 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 逆洗方法 |
| US20050142280A1 (en) * | 2003-10-20 | 2005-06-30 | Kim Kwon I. | System and method for synthesizing a polymer membrane |
| US8808540B2 (en) | 2003-11-14 | 2014-08-19 | Evoqua Water Technologies Llc | Module cleaning method |
| US8758621B2 (en) | 2004-03-26 | 2014-06-24 | Evoqua Water Technologies Llc | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
| AU2005259830C1 (en) * | 2004-07-02 | 2011-07-21 | Evoqua Water Technologies Llc | Gas transfer membrane |
| EP1773476A4 (en) * | 2004-07-02 | 2007-07-25 | Siemens Water Tech Corp | GAS TRANSFER MEMBRANE |
| CA2571502A1 (en) * | 2004-07-05 | 2006-01-12 | U.S. Filter Wastewater Group, Inc. | Hydrophilic membranes |
| US8790515B2 (en) | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
| WO2006029456A1 (en) | 2004-09-14 | 2006-03-23 | Siemens Water Technologies Corp. | Methods and apparatus for removing solids from a membrane module |
| NZ553771A (en) | 2004-09-15 | 2010-11-26 | Siemens Water Tech Corp | Continuously variable aeration of membrane filtration system and flow control device when used in such application |
| JP2006088114A (ja) * | 2004-09-27 | 2006-04-06 | Asahi Kasei Chemicals Corp | 親水性多孔膜 |
| EP1838422A4 (en) | 2004-12-24 | 2009-09-02 | Siemens Water Tech Corp | EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE |
| NZ555856A (en) | 2004-12-24 | 2010-03-26 | Siemens Water Tech Corp | Cleaning in membrane filtration systems |
| ITMI20050474A1 (it) | 2005-03-22 | 2006-09-23 | Solvay Solexis Spa | Polveri o manufatti aventi una idrofilicita'superficiale |
| CN101184548B (zh) | 2005-04-29 | 2011-10-05 | 西门子水技术公司 | 用于膜滤器的化学清洗剂 |
| SG140229A1 (en) | 2005-08-22 | 2008-03-28 | Siemens Water Tech Corp | An assembly for water filtration using a tube manifold to minimise backwash |
| CN101272845A (zh) * | 2005-09-27 | 2008-09-24 | 西门子水技术公司 | 用于清洁过滤膜的化学清洁剂和方法 |
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| US2732357A (en) * | 1949-11-25 | 1956-01-24 | Suspensions of polymeric chlorotri- | |
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| PL173020B1 (pl) * | 1992-11-16 | 1998-01-30 | Althin Medical Inc | Membrana półprzepuszczalna i sposób wytwarzania membrany półprzepuszczalnej |
| US6096213A (en) * | 1998-08-14 | 2000-08-01 | 3M Innovative Properties Company | Puncture-resistant polyolefin membranes |
| JP2001087636A (ja) * | 1999-09-21 | 2001-04-03 | Asahi Kasei Corp | ポリエチレン製中空糸状多孔膜の製法 |
| ITMI20010421A1 (it) * | 2001-03-01 | 2002-09-02 | Ausimont Spa | Membrane porose semipermeabili di fluoropolimeri semicristallini |
-
2002
- 2002-02-12 AU AUPS0466A patent/AUPS046602A0/en not_active Abandoned
-
2003
- 2003-02-11 MY MYPI20030454A patent/MY135608A/en unknown
- 2003-02-12 WO PCT/AU2003/000179 patent/WO2003068374A1/en not_active Ceased
- 2003-02-12 JP JP2003567552A patent/JP4656839B2/ja not_active Expired - Fee Related
- 2003-02-12 AT AT03739399T patent/ATE505260T1/de not_active IP Right Cessation
- 2003-02-12 ES ES03739399T patent/ES2364041T3/es not_active Expired - Lifetime
- 2003-02-12 CA CA2474625A patent/CA2474625C/en not_active Expired - Fee Related
- 2003-02-12 CA CA2733826A patent/CA2733826C/en not_active Expired - Fee Related
- 2003-02-12 NZ NZ535133A patent/NZ535133A/en not_active IP Right Cessation
- 2003-02-12 DE DE60336707T patent/DE60336707D1/de not_active Expired - Lifetime
- 2003-02-12 EP EP03739399A patent/EP1474222B1/en not_active Expired - Lifetime
- 2003-02-12 KR KR1020047012363A patent/KR100991596B1/ko not_active Expired - Fee Related
- 2003-02-12 CN CNB03805101XA patent/CN100500272C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| MY135608A (en) | 2008-05-30 |
| CA2733826C (en) | 2014-07-22 |
| EP1474222B1 (en) | 2011-04-13 |
| DE60336707D1 (de) | 2011-05-26 |
| CN1638851A (zh) | 2005-07-13 |
| WO2003068374A1 (en) | 2003-08-21 |
| AUPS046602A0 (en) | 2002-03-07 |
| EP1474222A4 (en) | 2005-02-16 |
| ATE505260T1 (de) | 2011-04-15 |
| EP1474222A1 (en) | 2004-11-10 |
| CA2474625C (en) | 2014-03-18 |
| JP2005516764A (ja) | 2005-06-09 |
| KR20040094683A (ko) | 2004-11-10 |
| JP4656839B2 (ja) | 2011-03-23 |
| CA2733826A1 (en) | 2003-08-21 |
| CA2474625A1 (en) | 2003-08-21 |
| KR100991596B1 (ko) | 2010-11-04 |
| NZ535133A (en) | 2006-06-30 |
| CN100500272C (zh) | 2009-06-17 |
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