JP5239228B2 - 複合半透膜の製造方法 - Google Patents
複合半透膜の製造方法 Download PDFInfo
- Publication number
- JP5239228B2 JP5239228B2 JP2007173755A JP2007173755A JP5239228B2 JP 5239228 B2 JP5239228 B2 JP 5239228B2 JP 2007173755 A JP2007173755 A JP 2007173755A JP 2007173755 A JP2007173755 A JP 2007173755A JP 5239228 B2 JP5239228 B2 JP 5239228B2
- Authority
- JP
- Japan
- Prior art keywords
- composite semipermeable
- semipermeable membrane
- water
- membrane
- boron
- 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 129
- 239000002131 composite material Substances 0.000 title claims description 83
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 58
- 229910052796 boron Inorganic materials 0.000 claims description 58
- 230000035699 permeability Effects 0.000 claims description 49
- 238000000926 separation method Methods 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 21
- 150000004820 halides Chemical class 0.000 claims description 21
- 239000002346 layers by function Substances 0.000 claims description 16
- -1 amine compound Chemical class 0.000 claims description 15
- 239000012298 atmosphere Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000012696 Interfacial polycondensation Methods 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 12
- 239000013535 sea water Substances 0.000 description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 9
- 239000000460 chlorine Substances 0.000 description 9
- 229910052801 chlorine Inorganic materials 0.000 description 9
- 239000004744 fabric Substances 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229920002492 poly(sulfone) Polymers 0.000 description 6
- 239000005708 Sodium hypochlorite Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- 238000010612 desalination reaction Methods 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 238000010335 hydrothermal treatment Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 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 3
- 150000001875 compounds Chemical class 0.000 description 3
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- RPHKINMPYFJSCF-UHFFFAOYSA-N benzene-1,3,5-triamine Chemical compound NC1=CC(N)=CC(N)=C1 RPHKINMPYFJSCF-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229940018564 m-phenylenediamine Drugs 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- IREVRWRNACELSM-UHFFFAOYSA-J ruthenium(4+);tetrachloride Chemical compound Cl[Ru](Cl)(Cl)Cl IREVRWRNACELSM-UHFFFAOYSA-J 0.000 description 2
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- VTDIWMPYBAVEDY-UHFFFAOYSA-N 1-propylpiperidine Chemical compound CCCN1CCCCC1 VTDIWMPYBAVEDY-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- UENRXLSRMCSUSN-UHFFFAOYSA-N 3,5-diaminobenzoic acid Chemical compound NC1=CC(N)=CC(C(O)=O)=C1 UENRXLSRMCSUSN-UHFFFAOYSA-N 0.000 description 1
- HSSYVKMJJLDTKZ-UHFFFAOYSA-N 3-phenylphthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O HSSYVKMJJLDTKZ-UHFFFAOYSA-N 0.000 description 1
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical group ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- GKXVJHDEWHKBFH-UHFFFAOYSA-N [2-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC=C1CN GKXVJHDEWHKBFH-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- PWAXUOGZOSVGBO-UHFFFAOYSA-N adipoyl chloride Chemical compound ClC(=O)CCCCC(Cl)=O PWAXUOGZOSVGBO-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 1
- RUOKPLVTMFHRJE-UHFFFAOYSA-N benzene-1,2,3-triamine Chemical compound NC1=CC=CC(N)=C1N RUOKPLVTMFHRJE-UHFFFAOYSA-N 0.000 description 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- VDQQXEISLMTGAB-UHFFFAOYSA-N chloramine T Chemical compound [Na+].CC1=CC=C(S(=O)(=O)[N-]Cl)C=C1 VDQQXEISLMTGAB-UHFFFAOYSA-N 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 150000007973 cyanuric acids Chemical class 0.000 description 1
- AKXTUELRIVKQSN-UHFFFAOYSA-N cyclobutane-1,2,3-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)C1C(Cl)=O AKXTUELRIVKQSN-UHFFFAOYSA-N 0.000 description 1
- MLCGVCXKDYTMRG-UHFFFAOYSA-N cyclohexane-1,1-dicarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCCCC1 MLCGVCXKDYTMRG-UHFFFAOYSA-N 0.000 description 1
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 description 1
- HIZMBMVNMBMUEE-UHFFFAOYSA-N cyclohexane-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)CC(C(Cl)=O)C1 HIZMBMVNMBMUEE-UHFFFAOYSA-N 0.000 description 1
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 description 1
- WMPOZLHMGVKUEJ-UHFFFAOYSA-N decanedioyl dichloride Chemical compound ClC(=O)CCCCCCCCC(Cl)=O WMPOZLHMGVKUEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WUQGUKHJXFDUQF-UHFFFAOYSA-N naphthalene-1,2-dicarbonyl chloride Chemical compound C1=CC=CC2=C(C(Cl)=O)C(C(=O)Cl)=CC=C21 WUQGUKHJXFDUQF-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- LSHSZIMRIAJWRM-UHFFFAOYSA-N oxolane-2,3-dicarbonyl chloride Chemical compound ClC(=O)C1CCOC1C(Cl)=O LSHSZIMRIAJWRM-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- GHAIYFTVRRTBNG-UHFFFAOYSA-N piperazin-1-ylmethanamine Chemical compound NCN1CCNCC1 GHAIYFTVRRTBNG-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007173755A JP5239228B2 (ja) | 2007-07-02 | 2007-07-02 | 複合半透膜の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007173755A JP5239228B2 (ja) | 2007-07-02 | 2007-07-02 | 複合半透膜の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009011891A JP2009011891A (ja) | 2009-01-22 |
| JP2009011891A5 JP2009011891A5 (enExample) | 2010-06-24 |
| JP5239228B2 true JP5239228B2 (ja) | 2013-07-17 |
Family
ID=40353461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007173755A Expired - Fee Related JP5239228B2 (ja) | 2007-07-02 | 2007-07-02 | 複合半透膜の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5239228B2 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014213262A (ja) * | 2013-04-25 | 2014-11-17 | 栗田工業株式会社 | 正浸透膜 |
| JP6305729B2 (ja) * | 2013-11-05 | 2018-04-04 | 日東電工株式会社 | 複合半透膜 |
| KR102054544B1 (ko) * | 2016-02-02 | 2019-12-10 | 주식회사 엘지화학 | 수처리 분리막의 제조방법 및 이에 의하여 제조된 수처리 분리막 및 수처리 분리막을 포함하는 수처리 모듈 |
| JP6415509B2 (ja) * | 2016-10-04 | 2018-10-31 | 野村マイクロ・サイエンス株式会社 | 逆浸透膜の再生方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07114941B2 (ja) * | 1987-05-20 | 1995-12-13 | 東レ株式会社 | 半透性複合膜の製造方法 |
| JPH04187226A (ja) * | 1990-11-20 | 1992-07-03 | Toray Ind Inc | ポリアミド中空糸膜およびその製造方法 |
| JPH1119493A (ja) * | 1997-07-03 | 1999-01-26 | Nitto Denko Corp | 逆浸透膜モジュ−ル及び海水の処理方法 |
| JP2006187719A (ja) * | 2005-01-06 | 2006-07-20 | Toray Ind Inc | 淡水製造装置の運転方法および淡水製造装置 |
-
2007
- 2007-07-02 JP JP2007173755A patent/JP5239228B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009011891A (ja) | 2009-01-22 |
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