JP5228474B2 - 細胞浮遊液濾過用多孔質膜 - Google Patents
細胞浮遊液濾過用多孔質膜 Download PDFInfo
- Publication number
- JP5228474B2 JP5228474B2 JP2007329654A JP2007329654A JP5228474B2 JP 5228474 B2 JP5228474 B2 JP 5228474B2 JP 2007329654 A JP2007329654 A JP 2007329654A JP 2007329654 A JP2007329654 A JP 2007329654A JP 5228474 B2 JP5228474 B2 JP 5228474B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- membrane
- cell suspension
- porous membrane
- porous
- 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 - Fee Related
Links
- 239000012528 membrane Substances 0.000 title claims description 98
- 238000001914 filtration Methods 0.000 title claims description 27
- 239000006285 cell suspension Substances 0.000 title claims description 21
- 239000011347 resin Substances 0.000 claims description 81
- 229920005989 resin Polymers 0.000 claims description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000011148 porous material Substances 0.000 claims description 24
- 125000000129 anionic group Chemical group 0.000 claims description 20
- 239000002033 PVDF binder Substances 0.000 claims description 17
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 17
- 230000035699 permeability Effects 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 13
- -1 ethylene unsaturated sulfonic acid Chemical class 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 11
- 230000003746 surface roughness Effects 0.000 claims description 9
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 18
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- 244000005700 microbiome Species 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 210000004748 cultured cell Anatomy 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920001519 homopolymer Polymers 0.000 description 5
- 229920000193 polymethacrylate Polymers 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 238000005374 membrane filtration Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 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 2
- 210000004102 animal cell Anatomy 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 150000007530 organic bases Chemical class 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- OVQLKUACUJJQGA-UHFFFAOYSA-N (2-ethenylphenyl)phosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1C=C OVQLKUACUJJQGA-UHFFFAOYSA-N 0.000 description 1
- NIONDZDPPYHYKY-SNAWJCMRSA-N (2E)-hexenoic acid Chemical compound CCC\C=C\C(O)=O NIONDZDPPYHYKY-SNAWJCMRSA-N 0.000 description 1
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 description 1
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- CHDVXKLFZBWKEN-UHFFFAOYSA-N C=C.F.F.F.Cl Chemical compound C=C.F.F.F.Cl CHDVXKLFZBWKEN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000012533 medium component Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- MNCGMVDMOKPCSQ-UHFFFAOYSA-M sodium;2-phenylethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=CC1=CC=CC=C1 MNCGMVDMOKPCSQ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007329654A JP5228474B2 (ja) | 2007-02-22 | 2007-12-21 | 細胞浮遊液濾過用多孔質膜 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007042078 | 2007-02-22 | ||
| JP2007042078 | 2007-02-22 | ||
| JP2007329654A JP5228474B2 (ja) | 2007-02-22 | 2007-12-21 | 細胞浮遊液濾過用多孔質膜 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008229612A JP2008229612A (ja) | 2008-10-02 |
| JP2008229612A5 JP2008229612A5 (enExample) | 2011-02-10 |
| JP5228474B2 true JP5228474B2 (ja) | 2013-07-03 |
Family
ID=39903036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007329654A Expired - Fee Related JP5228474B2 (ja) | 2007-02-22 | 2007-12-21 | 細胞浮遊液濾過用多孔質膜 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5228474B2 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5163152B2 (ja) * | 2007-02-22 | 2013-03-13 | 東レ株式会社 | 廃水処理方法 |
| JP5646346B2 (ja) | 2008-12-25 | 2014-12-24 | 株式会社クラレ | フィルター用濾材及びフィルターカートリッジ |
| US9603356B2 (en) | 2011-10-24 | 2017-03-28 | Kaneka Corporation | Method for producing cell concentrate |
| US10006842B2 (en) | 2012-08-30 | 2018-06-26 | Kaneka Corporation | Method for producing cell concentrate |
| US11033864B2 (en) | 2015-05-27 | 2021-06-15 | Mitsubishi Chemical Corporation | Porous membrane |
| JP6616593B2 (ja) * | 2015-06-10 | 2019-12-04 | オルガノ株式会社 | 膜の洗浄方法 |
| CN107922664A (zh) | 2015-09-04 | 2018-04-17 | 东京应化工业株式会社 | 多孔膜及其制造方法 |
| WO2020008820A1 (ja) * | 2018-07-05 | 2020-01-09 | 帝人株式会社 | 親水性複合膜、親水性多孔膜及び親水性樹脂組成物 |
| JP7444623B2 (ja) * | 2020-01-30 | 2024-03-06 | 東洋クロス株式会社 | 多孔質フィルター、およびその製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774132A (en) * | 1986-05-01 | 1988-09-27 | Pall Corporation | Polyvinylidene difluoride structure |
| DE3923128A1 (de) * | 1989-07-13 | 1991-01-24 | Akzo Gmbh | Flach- oder kapillarmembran auf der basis eines homogenen gemisches aus polyvinylidenfluorid und eines zweiten, durch chemische umsetzung hydrophilierbaren polymeren |
| JPH05301034A (ja) * | 1992-04-23 | 1993-11-16 | Sumitomo Electric Ind Ltd | 食品用精密濾過膜 |
| ATE400352T1 (de) * | 1996-08-26 | 2008-07-15 | Massachusetts Inst Technology | Herstellung von polymergegenständen mit hydrophiler oberfläche |
| JP2002066276A (ja) * | 2000-08-29 | 2002-03-05 | Asahi Kasei Corp | 有機汚染耐性膜 |
| JP4626319B2 (ja) * | 2005-01-28 | 2011-02-09 | 東レ株式会社 | 多孔質膜およびその製造方法、固液分離装置 |
| JP4600172B2 (ja) * | 2005-06-22 | 2010-12-15 | 東レ株式会社 | 多孔質膜、固液分離装置、およびそれらを用いた固液分離方法 |
-
2007
- 2007-12-21 JP JP2007329654A patent/JP5228474B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008229612A (ja) | 2008-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5228474B2 (ja) | 細胞浮遊液濾過用多孔質膜 | |
| Alsalhy et al. | A study of the effect of embedding ZnO-NPs on PVC membrane performance use in actual hospital wastewater treatment by membrane bioreactor | |
| Beygmohammdi et al. | Preparation and characterization of PVDF/PVP-GO membranes to be used in MBR system | |
| Ping Chu et al. | Membrane fouling in a membrane bioreactor (MBR): sludge cake formation and fouling characteristics | |
| Behboudi et al. | Enhancement of antifouling and antibacterial properties of PVC hollow fiber ultrafiltration membranes using pristine and modified silver nanoparticles | |
| Guo et al. | Cupric phosphate mineralized polymer membrane with superior cycle stability for oil/water emulsion separation | |
| Yu et al. | Surface modification of polypropylene microporous membranes to improve their antifouling property in MBR: NH3 plasma treatment | |
| Galiano et al. | A step forward to a more efficient wastewater treatment by membrane surface modification via polymerizable bicontinuous microemulsion | |
| Javadi et al. | PVDF membranes embedded with PVP functionalized nanodiamond for pharmaceutical wastewater treatment | |
| Yu et al. | Surface modification of polypropylene microporous membrane to improve its antifouling property in MBR: CO2 plasma treatment | |
| CN1236842C (zh) | 分离膜、分离膜元件、分离膜组件、污废水处理装置和分离膜的制造方法 | |
| JP5309250B2 (ja) | 高分子水処理膜及びその製造方法並びに水処理方法 | |
| CN110461454B (zh) | 多孔膜、膜组件、水处理装置及多孔膜的制造方法 | |
| JP4626319B2 (ja) | 多孔質膜およびその製造方法、固液分離装置 | |
| Kang et al. | Microstructure manipulation in PVDF/styrene-maleic anhydride copolymer composite membranes: Effects of miscibility on the phase separation | |
| Kim et al. | Electrospun nanofibrous PVDF–PMMA MF membrane in laboratory and pilot-scale study treating wastewater from Seoul Zoo | |
| JP2005111326A (ja) | 液体分離膜およびその使用方法 | |
| Nazemidashtarjandi et al. | Preparation and characterization of polycarbonate/thermoplastic polyurethane blend membranes for wastewater filtration | |
| JP4600172B2 (ja) | 多孔質膜、固液分離装置、およびそれらを用いた固液分離方法 | |
| AU2022282948A1 (en) | Separation membrane and method for producing same | |
| CN101500695A (zh) | 氟树脂聚合物分离膜及其制备方法 | |
| Wu et al. | Fabrication of Tween-20 coated PVDF membranes for wastewater treatment: optimization of preparation parameters, removal and membrane fouling control performance | |
| JP5163152B2 (ja) | 廃水処理方法 | |
| Etemadi et al. | Comparative study between aeration rate and membrane modification effects on antifouling properties of cellulose acetate membrane in membrane bioreactor systems | |
| Mallah et al. | Development of Antifouling Polyvinylidene Fluoride and Cellulose Acetate Nanocomposite Membranes for A Wastewater Treatment Using Membrane Bioreactor. Water 2025, 17, 1767. h ps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101220 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20101220 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20111012 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120124 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120323 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120918 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121119 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130219 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130304 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160329 Year of fee payment: 3 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 5228474 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
| LAPS | Cancellation because of no payment of annual fees |