KR19990070132A - 폴리아미드계 역삼투 분리막의 후처리 공정 - Google Patents
폴리아미드계 역삼투 분리막의 후처리 공정 Download PDFInfo
- Publication number
- KR19990070132A KR19990070132A KR1019980004801A KR19980004801A KR19990070132A KR 19990070132 A KR19990070132 A KR 19990070132A KR 1019980004801 A KR1019980004801 A KR 1019980004801A KR 19980004801 A KR19980004801 A KR 19980004801A KR 19990070132 A KR19990070132 A KR 19990070132A
- Authority
- KR
- South Korea
- Prior art keywords
- reverse osmosis
- membrane
- post
- treatment process
- polyamide
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title claims abstract description 14
- 229920002647 polyamide Polymers 0.000 title claims abstract description 13
- 239000004952 Polyamide Substances 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 150000001412 amines Chemical class 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 13
- 229920002492 poly(sulfone) Polymers 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 6
- -1 halide compound Chemical class 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- SDVHRXOTTYYKRY-UHFFFAOYSA-J tetrasodium;dioxido-oxo-phosphonato-$l^{5}-phosphane Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)P([O-])([O-])=O SDVHRXOTTYYKRY-UHFFFAOYSA-J 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 18
- 239000000178 monomer Substances 0.000 abstract description 16
- 238000012695 Interfacial polymerization Methods 0.000 abstract description 9
- 150000001266 acyl halides Chemical class 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000008213 purified water Substances 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 6
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 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 3
- 229920002678 cellulose Polymers 0.000 description 3
- 235000010980 cellulose Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- RXYPXQSKLGGKOL-UHFFFAOYSA-N 1,4-dimethylpiperazine Chemical compound CN1CCN(C)CC1 RXYPXQSKLGGKOL-UHFFFAOYSA-N 0.000 description 2
- 229920001747 Cellulose diacetate Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- MWOMBZUDFHVUTB-UHFFFAOYSA-N ClC(C(F)(F)Cl)(F)Cl.ClC(C(F)(F)Cl)(F)Cl Chemical group ClC(C(F)(F)Cl)(F)Cl.ClC(C(F)(F)Cl)(F)Cl MWOMBZUDFHVUTB-UHFFFAOYSA-N 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 150000001263 acyl chlorides Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 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
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- OKBPCTLSPGDQBO-UHFFFAOYSA-L disodium;dichloride Chemical compound [Na+].[Na+].[Cl-].[Cl-] OKBPCTLSPGDQBO-UHFFFAOYSA-L 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000008096 xylene Substances 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
- B01D69/1071—Woven, non-woven or net mesh
-
- 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
- B01D69/1213—Laminated layers
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/10—Specific pressure applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/50—Control of the membrane preparation process
Abstract
Description
정수량(gfd) | 염배제율(%) | |
실시예 1 | 26 | 99.0 |
비교예 1 | 20 | 98.9 |
Claims (1)
- 미세다공 폴리술폰이 코팅된 부직포 기질 표면에 다관능성아민 수용액 혼합물을 침지시키고, 다시 이것을 꺼내어 표면의 물층을 제거한 후 다관능성 산할로겐화합물 용액하에서 계면중합시켜 얻은 폴리아미드계 역삼투 복합막을 제조한 후 후처리 공정을 실시함에 있어서, 후처리 공정으로 막 및 모듈을 장착하여 0∼10psig의 압력, 회수율 0∼5%의 조건에서 이온을 제거한 순수로 5∼60분 세정시킨 후 이어서 50∼350psig의 압력, 회수율 5∼60%의 조건에서 이온을 제거한 순수로 1시간 이상 세정시킨 다음 최종적으로 50∼300psig의 압력, 회수율 5∼75%, 소디움하이포클로라이드가 잔류 염소량 기준으로 5∼100ppm을 함유한 수용액으로 1∼30분 처리시키는 것을 특징으로 하는 폴리아미드계 역삼투 분리막의 후처리 공정.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980004801A KR100460011B1 (ko) | 1998-02-17 | 1998-02-17 | 폴리아미드계 역삼투 분리막의 후처리 공정 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980004801A KR100460011B1 (ko) | 1998-02-17 | 1998-02-17 | 폴리아미드계 역삼투 분리막의 후처리 공정 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990070132A true KR19990070132A (ko) | 1999-09-15 |
KR100460011B1 KR100460011B1 (ko) | 2005-04-06 |
Family
ID=37301882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980004801A KR100460011B1 (ko) | 1998-02-17 | 1998-02-17 | 폴리아미드계 역삼투 분리막의 후처리 공정 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100460011B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013180517A1 (ko) | 2012-05-31 | 2013-12-05 | 주식회사 엘지화학 | 카보디이미드계 화합물을 포함하는 고투과 역삼투막 및 이를 제조하는 방법 |
KR20170136388A (ko) * | 2016-06-01 | 2017-12-11 | 서울대학교산학협력단 | 이온선택성이 향상된 내산성 복합분리막 및 그의 제조방법 |
US11517861B2 (en) | 2018-07-09 | 2022-12-06 | Lg Chem, Ltd. | Water treatment separation membrane, water treatment module comprising same, and manufacturing method therefor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277344A (en) * | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
JPS62254804A (ja) * | 1986-04-28 | 1987-11-06 | Kyocera Corp | 逆浸透淡水化装置のフラツシング方式 |
JPS6354905A (ja) * | 1986-08-25 | 1988-03-09 | Toray Ind Inc | 半透性複合膜の製造方法 |
US4927540A (en) * | 1986-09-04 | 1990-05-22 | The Dow Chemical Company | Ionic complex for enhancing performance of water treatment membranes |
US4938872A (en) * | 1989-06-07 | 1990-07-03 | E. I. Du Pont De Nemours And Company | Treatment for reverse osmosis membranes |
-
1998
- 1998-02-17 KR KR1019980004801A patent/KR100460011B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013180517A1 (ko) | 2012-05-31 | 2013-12-05 | 주식회사 엘지화학 | 카보디이미드계 화합물을 포함하는 고투과 역삼투막 및 이를 제조하는 방법 |
KR20170136388A (ko) * | 2016-06-01 | 2017-12-11 | 서울대학교산학협력단 | 이온선택성이 향상된 내산성 복합분리막 및 그의 제조방법 |
US11517861B2 (en) | 2018-07-09 | 2022-12-06 | Lg Chem, Ltd. | Water treatment separation membrane, water treatment module comprising same, and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
KR100460011B1 (ko) | 2005-04-06 |
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