KR100910899B1 - 내산화성 복합체 역삼투막 - Google Patents
내산화성 복합체 역삼투막 Download PDFInfo
- Publication number
- KR100910899B1 KR100910899B1 KR1020070086147A KR20070086147A KR100910899B1 KR 100910899 B1 KR100910899 B1 KR 100910899B1 KR 1020070086147 A KR1020070086147 A KR 1020070086147A KR 20070086147 A KR20070086147 A KR 20070086147A KR 100910899 B1 KR100910899 B1 KR 100910899B1
- Authority
- KR
- South Korea
- Prior art keywords
- reverse osmosis
- osmosis membrane
- persulfate
- polyvalent
- polyamide layer
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 103
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title abstract description 16
- 230000003647 oxidation Effects 0.000 title abstract description 12
- 238000007254 oxidation reaction Methods 0.000 title abstract description 12
- 239000004952 Polyamide Substances 0.000 claims abstract description 44
- 229920002647 polyamide Polymers 0.000 claims abstract description 44
- 239000007864 aqueous solution Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims description 46
- 150000004820 halides Chemical class 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 32
- 150000001412 amines Chemical class 0.000 claims description 24
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 20
- -1 alkali metal persulfate Chemical class 0.000 claims description 18
- 239000000376 reactant Substances 0.000 claims description 18
- 125000003106 haloaryl group Chemical group 0.000 claims description 13
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 13
- DXWYUSQVAQEXFJ-UHFFFAOYSA-N 5-iodobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC(I)=CC(C(Cl)=O)=C1 DXWYUSQVAQEXFJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910001869 inorganic persulfate Inorganic materials 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- MMGMYZMTUVIVSU-UHFFFAOYSA-N 5-bromobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC(Br)=CC(C(Cl)=O)=C1 MMGMYZMTUVIVSU-UHFFFAOYSA-N 0.000 claims description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- YBWPZGHOUMGWCJ-UHFFFAOYSA-N 2-iodobenzene-1,4-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C(I)=C1 YBWPZGHOUMGWCJ-UHFFFAOYSA-N 0.000 claims description 3
- ZGKHHCNVAMHURP-UHFFFAOYSA-N 2-bromobenzene-1,4-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C(Br)=C1 ZGKHHCNVAMHURP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 claims description 2
- 125000005059 halophenyl group Chemical group 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 17
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 abstract description 12
- 238000009472 formulation Methods 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 238000011282 treatment Methods 0.000 description 20
- 230000007717 exclusion Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 10
- 229940018564 m-phenylenediamine Drugs 0.000 description 10
- 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 9
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 8
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 8
- 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 7
- 125000003118 aryl group Chemical group 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 4
- 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 4
- 239000000463 material Substances 0.000 description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
- AOWMSTMUXLBQIC-UHFFFAOYSA-N 4-iodobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(I)C(C(Cl)=O)=C1 AOWMSTMUXLBQIC-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920002492 poly(sulfone) Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 3
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 2
- UIZQXRXURRIARN-UHFFFAOYSA-N 2-iodobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1I UIZQXRXURRIARN-UHFFFAOYSA-N 0.000 description 2
- MSEOVNVYIVMELF-UHFFFAOYSA-N 4-bromobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(Br)C(C(Cl)=O)=C1 MSEOVNVYIVMELF-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001410 inorganic ion Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000008057 potassium phosphate buffer Substances 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- XBTRYWRVOBZSGM-UHFFFAOYSA-N (4-methylphenyl)methanediamine Chemical compound CC1=CC=C(C(N)N)C=C1 XBTRYWRVOBZSGM-UHFFFAOYSA-N 0.000 description 1
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- UGCSPKPEHQEOSR-UHFFFAOYSA-N 1,1,2,2-tetrachloro-1,2-difluoroethane Chemical compound FC(Cl)(Cl)C(F)(Cl)Cl UGCSPKPEHQEOSR-UHFFFAOYSA-N 0.000 description 1
- BAHPQISAXRFLCL-UHFFFAOYSA-N 2,4-Diaminoanisole Chemical compound COC1=CC=C(N)C=C1N BAHPQISAXRFLCL-UHFFFAOYSA-N 0.000 description 1
- VPMMJSPGZSFEAH-UHFFFAOYSA-N 2,4-diaminophenol;hydrochloride Chemical compound [Cl-].NC1=CC=C(O)C([NH3+])=C1 VPMMJSPGZSFEAH-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- NSMWYRLQHIXVAP-UHFFFAOYSA-N 2,5-dimethylpiperazine Chemical compound CC1CNC(C)CN1 NSMWYRLQHIXVAP-UHFFFAOYSA-N 0.000 description 1
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- NKPPDVQKCGMJCP-UHFFFAOYSA-N 2-bromobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1Br NKPPDVQKCGMJCP-UHFFFAOYSA-N 0.000 description 1
- LUZKKRPROWYBLR-UHFFFAOYSA-N 2-iodoterephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(I)=C1 LUZKKRPROWYBLR-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
- GNIZQCLFRCBEGE-UHFFFAOYSA-N 3-phenylbenzene-1,2-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(Cl)=O GNIZQCLFRCBEGE-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 238000012695 Interfacial polymerization Methods 0.000 description 1
- MZDJLQWVCDOIOY-UHFFFAOYSA-N O=C(C1=CC=CC=C1C(Cl)=O)Cl.SCl Chemical compound O=C(C1=CC=CC=C1C(Cl)=O)Cl.SCl MZDJLQWVCDOIOY-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- YARQLHBOIGUVQM-UHFFFAOYSA-N benzene-1,2,3-trisulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC(S(Cl)(=O)=O)=C1S(Cl)(=O)=O YARQLHBOIGUVQM-UHFFFAOYSA-N 0.000 description 1
- YBGQXNZTVFEKEN-UHFFFAOYSA-N benzene-1,2-disulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1S(Cl)(=O)=O YBGQXNZTVFEKEN-UHFFFAOYSA-N 0.000 description 1
- RPHKINMPYFJSCF-UHFFFAOYSA-N benzene-1,3,5-triamine Chemical compound NC1=CC(N)=CC(N)=C1 RPHKINMPYFJSCF-UHFFFAOYSA-N 0.000 description 1
- BZFATHSFIGBGOT-UHFFFAOYSA-N butane-1,1,1-tricarbonyl chloride Chemical compound CCCC(C(Cl)=O)(C(Cl)=O)C(Cl)=O BZFATHSFIGBGOT-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- XWALRFDLDRDCJG-UHFFFAOYSA-N cyclobutane-1,1,2,2-tetracarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCC1(C(Cl)=O)C(Cl)=O XWALRFDLDRDCJG-UHFFFAOYSA-N 0.000 description 1
- LXLCHRQXLFIZNP-UHFFFAOYSA-N cyclobutane-1,1-dicarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCC1 LXLCHRQXLFIZNP-UHFFFAOYSA-N 0.000 description 1
- PBWUKDMYLKXAIP-UHFFFAOYSA-N cyclohexane-1,1,2-tricarbonyl chloride Chemical compound ClC(=O)C1CCCCC1(C(Cl)=O)C(Cl)=O PBWUKDMYLKXAIP-UHFFFAOYSA-N 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical group NC1(N)CCCCC1 YMHQVDAATAEZLO-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
- GEQHKFFSPGPGLN-UHFFFAOYSA-N cyclohexane-1,3-diamine Chemical compound NC1CCCC(N)C1 GEQHKFFSPGPGLN-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
- DCXMNNZFVFSGJX-UHFFFAOYSA-N cyclopentane-1,1,2,2-tetracarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCCC1(C(Cl)=O)C(Cl)=O DCXMNNZFVFSGJX-UHFFFAOYSA-N 0.000 description 1
- JREFGECMMPJUHM-UHFFFAOYSA-N cyclopentane-1,1,2-tricarbonyl chloride Chemical compound ClC(=O)C1CCCC1(C(Cl)=O)C(Cl)=O JREFGECMMPJUHM-UHFFFAOYSA-N 0.000 description 1
- YYLFLXVROAGUFH-UHFFFAOYSA-N cyclopentane-1,1-dicarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCCC1 YYLFLXVROAGUFH-UHFFFAOYSA-N 0.000 description 1
- CRMQURWQJQPUMY-UHFFFAOYSA-N cyclopropane-1,1,2-tricarbonyl chloride Chemical compound ClC(=O)C1CC1(C(Cl)=O)C(Cl)=O CRMQURWQJQPUMY-UHFFFAOYSA-N 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 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
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003204 osmotic 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
- MTAAPVANJNSBGV-UHFFFAOYSA-N pentane-1,1,1-tricarbonyl chloride Chemical compound CCCCC(C(Cl)=O)(C(Cl)=O)C(Cl)=O MTAAPVANJNSBGV-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- VLRIRAGKJXODNO-UHFFFAOYSA-N propane-1,1,1-tricarbonyl chloride Chemical compound CCC(C(Cl)=O)(C(Cl)=O)C(Cl)=O VLRIRAGKJXODNO-UHFFFAOYSA-N 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003335 secondary amines Chemical group 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003461 sulfonyl halides Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical compound NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/28—Degradation or stability over time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/30—Chemical resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
항목 | 비교예 1 | 실시예 1 | 실시예 2 |
포타슘 퍼설페이트로 처리한 시간(min) | - | 10 | 30 |
초기 염 배제(%) | 99.3 | 99.3 | 99.2 |
초기 물 흐름(GFD) | 24.8 | 22.4 | 23.3 |
NaClO로 처리 후 | |||
염 배제(%) | 5.8 | 86.9 | 98.8 |
물 흐름(GFD) | 562 | 43.2 | 28.7 |
항목 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | 실시예 7 | 실시예 8 |
산 클로라이드의 전체 농도 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
산 클로라이 내의 TMC의 상대 농도(%) | 0 | 80 | 70 | 50 | 40 | 30 |
5-이오도-이소프탈로일 클로라이드의 상대농도(%) | 100 | 20 | 30 | 50 | 60 | 70 |
초기 염 배제(%) | 98.9 | 99.1 | 99.3 | 99.3 | 99.2 | 99.1 |
초기 물 흐름(GFD) | 22.5 | 23.2 | 23.5 | 22.8 | 23.1 | 22.9 |
NaClO 처리 후 | ||||||
염 배제(%) | 86.3 | 89.5 | 90.4 | 93.8 | 92.2 | 90.8 |
물 흐름(GFD) | 61.2 | 44.3 | 40.1 | 32.7 | 36.5 | 32.8 |
항목 | 실시예 9 | 실시예 10 | 실시예 11 |
초기 염 배제(%) | 99.2 | 99.0 | 98.3 |
초기 물 흐름(GFD) | 23.5 | 21.6 | 28.8 |
NaClO로 처리 후 | |||
염 배제(%) | 92..8 | 91.6 | 95.6 |
물 흐름(GFD) | 35.4 | 38.4 | 48.3 |
항목 | 실시예 12 | 실시예 13 | 실시예 14 | 실시예 15 | 실시예 16 | 실시예 17 |
산 클로라이드의 전체 농도 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
산 클로라이드 내의 TMC의 상대 농도(%) | 0 | 80 | 70 | 50 | 40 | 30 |
5-이오도-이소프탈로일 클로라이드의 상대농도(%) | 100 | 20 | 30 | 50 | 60 | 70 |
초기 염 배제(%) | 98.6 | 99.3 | 99.3 | 99.2 | 99.1 | 99.0 |
초기 물 흐름(GFD) | 20.5 | 24 | 23.5 | 23.3 | 22.1 | 21.5 |
NaClO 처리 후 | ||||||
염 배제(%) | 97.3 | 98.1 | 98.4 | 98.8 | 98.6 | 98.1 |
물 흐름(GFD) | 41.2 | 34.3 | 32.1 | 28.7 | 28.2 | 28.8 |
항목 | 실시예 18 | 실시예 19 | 실시예 20 |
초기 염 배제(%) | 99.1 | 98.7 | 98.9 |
초기 물 흐름(GFD) | 25.3 | 22.8 | 26.8 |
NaClO로 처리 후 | |||
염 배제(%) | 98.5 | 97.0 | 96.1 |
물 흐름(GFD) | 33.4 | 34.4 | 44.9 |
항목 | 실시예 21 | 실시예 22 | 실시예 23 | 실시예 24 | 실시예 25 |
포타슘 퍼설페이트로 처리한 시간(min) | 10 | 20 | 40 | 80 | 120 |
초기 염 배제(%) | 99.2 | 99.1 | 99.2 | 99.0 | 99.0 |
초기 물 흐름(GFD) | 21.8 | 23.7 | 24.3 | 24.1 | 25.5 |
NaClO로 처리 후 | |||||
염 배제(%) | 98.6 | 98.4 | 98.7 | 98.3 | 98.2 |
물 흐름(GFD) | 28.3 | 30.1 | 29.7 | 32.4 | 35.8 |
항목 | 실시예 26 | 실시예 27 | 실시예 28 | 실시예 29 | 실시예 30 | 실시예 31 |
용액 내의 포타슘 퍼설페이트 농도(%) | 0.5 | 1.5 | 3.0 | 5.0 | 8.0 | 10.0 |
초기 염 배제(%) | 98.8 | 98.9 | 99.1 | 99.2 | 99.0 | 99.0 |
초기 물 흐름(GFD) | 21.1 | 23.8 | 24.7 | 25.3 | 25.8 | 25.5 |
NaClO로 처리 후 | ||||||
염 배제(%) | 98.5 | 98.4 | 98.6 | 98.3 | 98.2 | 98.0 |
물 흐름(GFD) | 30.8 | 32.3 | 30.5 | 32.7 | 32.9 | 36.3 |
Claims (23)
- 삭제
- a)다공성 지지체; 및b)상기 지지체 상에 형성된 폴리아미드층;을 포함하며, 상기 폴리아미드층은 퍼설페이트에 의해 개질된 역삼투막.
- 제2항에 있어서,상기 퍼설페이트는 무기 퍼설페이트인 것을 특징으로 하는 역삼투막.
- 제3항에 있어서,상기 무기 퍼설페이트는 알칼리 금속 퍼설페이트 및 암모늄 퍼설페이트로부터 선택되는 것을 특징으로 하는 역삼투막.
- 제3항에 있어서,상기 무기 퍼설페이트는 0.5 ~ 10 중량% 포타슘 퍼설페이트 수성 용액의 형태 내에 존재하는 것을 특징으로 하는 역삼투막.
- 제5항에 있어서,상기 무기 퍼설페이트는 0.5~3중량% 수성 용액의 형태 내에 존재하는 것을 특징으로 하는 역삼투막.
- 제2항 내지 제6항 중 어느 한 항에 있어서,상기 폴리아미드층은 다가 할로아릴산 할라이드를 포함하는 다가 산 할라이드 반응물과 다가 아민의 반응에 의해 형성되는 것을 특징으로 하는 역삼투막.
- 제7항에 있어서,상기 다가 할로아릴산 할라이드는 다가 할로페닐산 클로라이드인 것을 특징으로 하는 역삼투막.
- 제8항에 있어서,상기 다가 할로페닐산 클로라이드는 5-이오도-이소프탈로일 클로라이드, 2-이오도-테레프탈로일 클로라이드, 5-브로모-이소프탈로일 클로라이드, 2-브로모-테레프탈로일 클로라이드 및 이들의 혼합물로 이루어진 군에서 선택되는 것을 특징으로 하는 역삼투막.
- 제7항에 있어서,상기 다가 할로아릴산 할라이드는 20 ~ 70 중량%의 다가 산 할라이드 반응물인 것을 특징으로 하는 역삼투막.
- 삭제
- 삭제
- 삭제
- i)다공성 지지체를 준비하는 단계;ii)상기 지지체 상에 폴리아미드층을 형성하는 단계; 및iii)퍼설페이트로 상기 폴리아미드층을 개질하는 단계;를 포함하는 역삼투막의 제조방법.
- 제14항에 있어서,상기 퍼설페이트는 무기 퍼설페이트인 것을 특징으로 하는 역삼투막의 제조방법.
- 제14항 또는 제15항에 있어서,상기 개질은 10 ~ 120분 동안 수행되는 것을 특징으로 하는 역삼투막의 제조방법.
- i)다공성 지지체를 준비하는 단계;ii)다가 할로아릴산 할라이드를 포함하는 다가 산 할라이드 반응물과 다가 아민의 반응에 의해 상기 지지체 상에 폴리아미드층을 형성하는 단계; 및iii) 퍼설페이트로 상기 폴리아미드층을 개질하는 단계;를 포함하는 역삼투막의 제조방법.
- 제17항에 있어서,상기 다가 할로아릴산 할라이드는 다가 할로페닐산 클로라이드인 것을 특징으로 하는 역삼투막의 제조방법.
- 삭제
- 제17항에 있어서,상기 퍼설페이트는 무기 퍼설페이트인 것을 특징으로 하는 역삼투막의 제조방법.
- 폴리아미드층을 퍼설페이트로 개질하는 단계를 포함하는, 폴리아미드층을 갖는 역삼투막의 성능 개선 방법.
- 제21항에 있어서,상기 퍼설페이트는 무기 퍼설페이트인 것을 특징으로 하는 역삼투막의 성능 개선 방법.
- 제21항 또는 제22항에 있어서,상기 개질은 10 ~ 120분 동안 수행되는 것을 특징으로 하는 역삼투막의 성능 개선 방법.
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK2313184T3 (da) | 2008-08-05 | 2013-01-21 | Polymers Crc Ltd | Funktionaliserede tynde film polyamidmembraner |
DE102009022513A1 (de) * | 2009-05-25 | 2010-12-02 | Qiagen Gmbh | Verfahren zum Schutz von Membranen |
CN102527253A (zh) * | 2012-01-11 | 2012-07-04 | 杭州天创环境科技股份有限公司 | 一种抑菌抗氧化复合反渗透膜 |
JP5923793B2 (ja) * | 2012-05-31 | 2016-05-25 | エルジー・ケム・リミテッド | カルボジイミド系化合物を含む高透過逆浸透膜及びこれを製造する方法 |
KR101430066B1 (ko) * | 2012-10-30 | 2014-08-14 | 경희대학교 산학협력단 | 라디컬 그라프팅법을 이용한 역삼투막의 표면개질 방법 |
CN103386263A (zh) * | 2013-08-06 | 2013-11-13 | 浙江理工大学 | 一种表面矿化的高亲水性复合反渗透膜 |
JP6305729B2 (ja) * | 2013-11-05 | 2018-04-04 | 日東電工株式会社 | 複合半透膜 |
US10384167B2 (en) | 2013-11-21 | 2019-08-20 | Oasys Water LLC | Systems and methods for improving performance of osmotically driven membrane systems |
CN105080368B (zh) * | 2014-04-25 | 2017-05-31 | 中国石油化工股份有限公司 | 一种反渗透膜及其制备方法 |
CN104437110B (zh) * | 2014-12-15 | 2016-09-28 | 湖南澳维环保科技有限公司 | 一种大通量聚酰胺复合膜 |
JP6456671B2 (ja) * | 2014-12-16 | 2019-01-23 | 日東電工株式会社 | 多孔性支持体、複合半透膜、及びスパイラル型分離膜エレメント |
KR101929698B1 (ko) | 2014-12-26 | 2018-12-14 | 도레이 카부시키가이샤 | 복합 반투막 |
WO2016130687A1 (en) * | 2015-02-10 | 2016-08-18 | Oasys Water, Inc. | Systems and methods for improving performance of osmotically driven membrane systems |
CN109589806B (zh) * | 2018-12-25 | 2021-06-11 | 合肥国轩精密涂布材料有限责任公司 | 一种超支化聚合物膜的制备方法 |
CN109647224A (zh) * | 2018-12-28 | 2019-04-19 | 南京理工大学 | 耐氯聚酰胺复合反渗透膜及其制备方法 |
CN110433667B (zh) * | 2019-09-02 | 2022-03-22 | 天津大学 | 抗污染抗结垢分离膜及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233434A (en) * | 1975-01-27 | 1980-11-11 | Ramot Plastics | Polyamide from aromatic phosphorus containing diamine |
KR20010031737A (ko) * | 1997-11-04 | 2001-04-16 | 그래햄 이. 테일러 | 성능을 개선시키기 위한 복합 폴리아미드 막의 처리방법 |
WO2006030411A1 (en) * | 2004-09-19 | 2006-03-23 | Ben Gurion University Of The Negev Research And Development Authority | A process for improving membranes |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047908A (en) * | 1973-05-30 | 1977-09-13 | Standard Oil Company | Gas separation membrane |
US4277344A (en) * | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
US4278548A (en) | 1979-08-20 | 1981-07-14 | E. I. Du Pont De Nemours And Company | Control of biological growth in reverse osmosis permeators |
GB8505870D0 (en) * | 1985-03-07 | 1985-04-11 | British Petroleum Co Plc | Treatment of boiler condensate |
US4765897A (en) * | 1986-04-28 | 1988-08-23 | The Dow Chemical Company | Polyamide membranes useful for water softening |
US5039421A (en) * | 1989-10-02 | 1991-08-13 | Aligena Ag | Solvent stable membranes |
US4938872A (en) * | 1989-06-07 | 1990-07-03 | E. I. Du Pont De Nemours And Company | Treatment for reverse osmosis membranes |
US4960518A (en) * | 1989-12-13 | 1990-10-02 | The Filmtec Corporation | Treatment of composite polyamide membranes with compatible oxidants |
US4964998A (en) * | 1989-12-13 | 1990-10-23 | Filmtec Corporation | Use of treated composite polyamide membranes to separate concentrated solute |
US4983291A (en) | 1989-12-14 | 1991-01-08 | Allied-Signal Inc. | Dry high flux semipermeable membranes |
EP0473541A3 (en) * | 1990-08-17 | 1992-05-27 | Ciba-Geigy Ag | Process for enrichment or separation, copolyamide and copolyimidamide and their use |
JP3111539B2 (ja) * | 1991-10-02 | 2000-11-27 | 東レ株式会社 | 複合半透膜の製造方法 |
CN1058029C (zh) * | 1995-09-21 | 2000-11-01 | 中国科学院长春应用化学研究所 | 界面控制制备耐氯芳香聚酰胺反渗透复合膜方法 |
JP4472028B2 (ja) | 1997-07-02 | 2010-06-02 | 日東電工株式会社 | 複合逆浸透膜およびその製造方法 |
US6015495A (en) * | 1998-02-18 | 2000-01-18 | Saehan Industries Incorporation | Composite polyamide reverse osmosis membrane and method of producing the same |
JP2003080042A (ja) * | 2001-09-10 | 2003-03-18 | Nitto Denko Corp | 複合半透膜及びその製造方法 |
US7279097B2 (en) * | 2003-06-18 | 2007-10-09 | Toray Industries, Inc. | Composite semipermeable membrane, and production process thereof |
CN1569317A (zh) * | 2003-07-16 | 2005-01-26 | 国家海洋局杭州水处理技术研究开发中心 | 聚酰胺复合膜的溶剂改性方法 |
CN1263535C (zh) * | 2004-06-12 | 2006-07-12 | 国家海洋局杭州水处理技术研究开发中心 | 新型聚酰胺反渗透复合膜及其制备方法 |
CN100391583C (zh) * | 2004-11-18 | 2008-06-04 | 国家海洋局杭州水处理技术研究开发中心 | 高通量聚酰胺反渗透复合膜 |
US7479300B2 (en) | 2005-03-30 | 2009-01-20 | Woongjin Chemical Co., Ltd. | Composite polyamide reverse osmosis membrane and method of producing the same |
US20070015896A1 (en) * | 2005-07-13 | 2007-01-18 | Kiu-Seung Lee | Dihydroxy aramid polymers |
CN100395010C (zh) * | 2006-01-13 | 2008-06-18 | 凯膜过滤技术(上海)有限公司 | 聚酰胺反渗透膜及其制备方法 |
-
2006
- 2006-08-25 CN CNB2006100512005A patent/CN100478056C/zh active Active
-
2007
- 2007-08-21 EP EP07114714A patent/EP1894614A1/en not_active Ceased
- 2007-08-27 JP JP2007220441A patent/JP2008100214A/ja active Pending
- 2007-08-27 TW TW096131690A patent/TWI368536B/zh active
- 2007-08-27 WO PCT/CN2007/002576 patent/WO2008025259A1/en active Application Filing
- 2007-08-27 US US11/845,238 patent/US20080203013A1/en not_active Abandoned
- 2007-08-27 KR KR1020070086147A patent/KR100910899B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233434A (en) * | 1975-01-27 | 1980-11-11 | Ramot Plastics | Polyamide from aromatic phosphorus containing diamine |
KR20010031737A (ko) * | 1997-11-04 | 2001-04-16 | 그래햄 이. 테일러 | 성능을 개선시키기 위한 복합 폴리아미드 막의 처리방법 |
WO2006030411A1 (en) * | 2004-09-19 | 2006-03-23 | Ben Gurion University Of The Negev Research And Development Authority | A process for improving membranes |
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KR20080018854A (ko) | 2008-02-28 |
TWI368536B (en) | 2012-07-21 |
EP1894614A1 (en) | 2008-03-05 |
CN100478056C (zh) | 2009-04-15 |
US20080203013A1 (en) | 2008-08-28 |
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JP2008100214A (ja) | 2008-05-01 |
WO2008025259A1 (en) | 2008-03-06 |
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