KR100666483B1 - 고염제거율의 폴리아미드계 역삼투 분리막의 제조방법 - Google Patents
고염제거율의 폴리아미드계 역삼투 분리막의 제조방법 Download PDFInfo
- Publication number
- KR100666483B1 KR100666483B1 KR1020040104230A KR20040104230A KR100666483B1 KR 100666483 B1 KR100666483 B1 KR 100666483B1 KR 1020040104230 A KR1020040104230 A KR 1020040104230A KR 20040104230 A KR20040104230 A KR 20040104230A KR 100666483 B1 KR100666483 B1 KR 100666483B1
- Authority
- KR
- South Korea
- Prior art keywords
- reverse osmosis
- support
- osmosis membrane
- polyamide
- polyfunctional
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 39
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 25
- 229920002647 polyamide Polymers 0.000 title claims abstract description 23
- 150000003839 salts Chemical class 0.000 title claims abstract description 21
- 239000004952 Polyamide Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 150000001412 amines Chemical class 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000012153 distilled water Substances 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000012695 Interfacial polymerization Methods 0.000 claims abstract description 6
- -1 halide compound Chemical class 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims abstract description 5
- 238000007654 immersion Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims 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 claims description 3
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- 238000010612 desalination reaction Methods 0.000 description 6
- 229920002492 poly(sulfone) Polymers 0.000 description 6
- 239000013535 sea water Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 150000001266 acyl halides Chemical class 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- CCRKYXVCFWPPRY-UHFFFAOYSA-N cyclohex-2-ene-1,1-diamine Chemical class NC1(N)CCCC=C1 CCRKYXVCFWPPRY-UHFFFAOYSA-N 0.000 description 1
- VDJXRKPDNWWCHK-UHFFFAOYSA-N cyclohexane-1,2,3,4-tetracarbonyl chloride Chemical compound ClC(=O)C1CCC(C(Cl)=O)C(C(Cl)=O)C1C(Cl)=O VDJXRKPDNWWCHK-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
- 238000001035 drying Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 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
- 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
- B01D69/105—Support pretreatment
-
- 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
-
- 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
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/46—Impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/48—Influencing the pH
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (5)
- 미세다공성 지지체에 다관능성아민 용액을 침지한 후 표면에 잔존하는 과량의 아민용액을 제거하고 지방족 탄화수소를 용매로 하는 다관능성 산할로겐화합물 용액하에서 계면중합시켜 얻어지는 가교 폴리아미드계 역삼투 분리막의 제조시, 다관능성아민 용액을 지지층에 도포하기 전 일정한 pH를 유지하는 염기에 지지체를 침지 후 순수로 수세하는 공정을 추가하는 것을 특징으로 하는, 고염제거율의 폴리아미드계 역삼투 분리막 제조방법.
- 제 1항에 있어서, 상기 지지체는 수산화나트륨 0.01~2중량% 함유된 증류수에 10분~48시간 침지 후 순수로 1~30분 수세하는 것을 특징으로 하는, 고염제거율의 폴리아미드계 역삼투 분리막 제조방법.
- 제 1항에 또는 2항에 있어서, 지지체를 침지 시키는 염기가 함유된 증류수의 pH는 6이상 일정하게 유지하는 것을 특징으로 하는 고염제거율의 폴리아미드계 역삼투 분리막 제조방법.
- 제 1항에 있어서, 상기 다관능성아민 용액은 메타페닐렌디아민, 파라페닐렌디아민, 피페라진을 1~10중량% 함유한 수용액이며 지지체에 1~10분간 침지하는 것을 특징으로 하는 고염제거율의 폴리아미드계 역삼투 분리막 제조방법.
- 제 1항에 있어서, 상기 다관능성 산할로겐화합물 용액은 이소프탈로일클로라이드, 트리메조일클로라이드 및 테레프탈로일클로라이드 중에서 선택하여 사용하거나 혼합하여 지방족 탄화수소 용매에 0.01~1중량% 용해하여 지지체에 도포된 다관능성아민과 계면중합 시키는 것을 특징으로 하는 고염제거율 폴리아미드계 역삼투 분리막 제조방법.
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KR1020040104230A KR100666483B1 (ko) | 2004-12-10 | 2004-12-10 | 고염제거율의 폴리아미드계 역삼투 분리막의 제조방법 |
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KR1020040104230A KR100666483B1 (ko) | 2004-12-10 | 2004-12-10 | 고염제거율의 폴리아미드계 역삼투 분리막의 제조방법 |
Publications (2)
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KR20060065810A KR20060065810A (ko) | 2006-06-14 |
KR100666483B1 true KR100666483B1 (ko) | 2007-01-09 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101143935B1 (ko) * | 2009-08-21 | 2012-05-09 | 주식회사 효성 | 역삼투막의 제조방법 및 그로부터 제조되는 고내구성 역삼투막 |
WO2018048269A1 (ko) * | 2016-09-12 | 2018-03-15 | 에스케이이노베이션 주식회사 | 역삼투막 및 이의 제조방법 |
CN109200824A (zh) * | 2018-10-23 | 2019-01-15 | 浙江工业大学 | 一种初生态原位修饰反渗透膜的制备方法 |
KR20190048996A (ko) * | 2017-11-01 | 2019-05-09 | 주식회사 엘지화학 | 수처리 모듈의 제조방법 및 이에 의하여 제조된 수처리 모듈 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5950914B2 (ja) * | 2010-09-06 | 2016-07-13 | エルジー・ケム・リミテッド | セパレータ、その製造方法、及びそれを備える電気化学素子 |
CN115072904B (zh) * | 2022-07-14 | 2023-10-27 | 重庆海通环保科技有限公司 | 对处理液分级分性反渗透处理的反渗透膜体 |
CN115337800B (zh) * | 2022-09-21 | 2024-05-03 | 万华化学集团股份有限公司 | 一种高脱盐抗氧化聚酰胺反渗透膜、其制备方法及其应用 |
-
2004
- 2004-12-10 KR KR1020040104230A patent/KR100666483B1/ko active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101143935B1 (ko) * | 2009-08-21 | 2012-05-09 | 주식회사 효성 | 역삼투막의 제조방법 및 그로부터 제조되는 고내구성 역삼투막 |
WO2018048269A1 (ko) * | 2016-09-12 | 2018-03-15 | 에스케이이노베이션 주식회사 | 역삼투막 및 이의 제조방법 |
KR20190048996A (ko) * | 2017-11-01 | 2019-05-09 | 주식회사 엘지화학 | 수처리 모듈의 제조방법 및 이에 의하여 제조된 수처리 모듈 |
KR102157929B1 (ko) * | 2017-11-01 | 2020-09-18 | 주식회사 엘지화학 | 수처리 모듈의 제조방법 및 이에 의하여 제조된 수처리 모듈 |
CN109200824A (zh) * | 2018-10-23 | 2019-01-15 | 浙江工业大学 | 一种初生态原位修饰反渗透膜的制备方法 |
Also Published As
Publication number | Publication date |
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KR20060065810A (ko) | 2006-06-14 |
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