KR100984537B1 - 여과막 및 그 제조방법 - Google Patents
여과막 및 그 제조방법 Download PDFInfo
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- KR100984537B1 KR100984537B1 KR1020090036660A KR20090036660A KR100984537B1 KR 100984537 B1 KR100984537 B1 KR 100984537B1 KR 1020090036660 A KR1020090036660 A KR 1020090036660A KR 20090036660 A KR20090036660 A KR 20090036660A KR 100984537 B1 KR100984537 B1 KR 100984537B1
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- Prior art keywords
- hydrophobic
- particles
- polymer
- hydrophilic
- membrane
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- Expired - Fee Related
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- 239000012528 membrane Substances 0.000 title claims abstract description 70
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 17
- 239000002245 particle Substances 0.000 claims abstract description 162
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 98
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 229920001600 hydrophobic polymer Polymers 0.000 claims abstract description 36
- 239000000243 solution Substances 0.000 claims abstract description 22
- 229920006254 polymer film Polymers 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 11
- 238000009987 spinning Methods 0.000 claims abstract description 8
- 239000012670 alkaline solution Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- 239000002033 PVDF binder Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 5
- 239000004695 Polyether sulfone Substances 0.000 claims description 4
- 229920002492 poly(sulfone) Polymers 0.000 claims description 4
- 229920006393 polyether sulfone Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920005597 polymer membrane Polymers 0.000 abstract description 29
- 229920000642 polymer Polymers 0.000 abstract description 27
- 239000011159 matrix material Substances 0.000 abstract description 19
- 229910010413 TiO 2 Inorganic materials 0.000 description 25
- 239000002904 solvent Substances 0.000 description 24
- 229910004298 SiO 2 Inorganic materials 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000011148 porous material Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 11
- 239000012510 hollow fiber Substances 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000001087 glyceryl triacetate Substances 0.000 description 7
- 235000013773 glyceryl triacetate Nutrition 0.000 description 7
- 229960002622 triacetin Drugs 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 244000005700 microbiome Species 0.000 description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 238000005191 phase separation Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000000638 solvent extraction Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- JRAUYAFQKVIHQW-UHFFFAOYSA-N 3,4-dimethylidenepyrrolidin-2-one Chemical compound C=C1C(C(NC1)=O)=C JRAUYAFQKVIHQW-UHFFFAOYSA-N 0.000 description 1
- JHUUPUMBZGWODW-UHFFFAOYSA-N 3,6-dihydro-1,2-dioxine Chemical compound C1OOCC=C1 JHUUPUMBZGWODW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920002451 polyvinyl alcohol 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
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
비고 | 친수성 입자(12) | 소수성 입자(14) |
구현예 1 | TiO2 | SiO2 |
구현예 2 | SiO2 | TiO2 |
구현예 3 | TiO2 | SiO2 + Al2O3 |
구현예 4 | SiO2 | TiO2 + Al2O3 |
구현예 5 | SiO2 + Al2O3 | TiO2 |
구현예 6 | TiO2 + Al2O3 | SiO2 |
구현예 7 | TiO2 | Al2O3 |
비 고 | 친수성 입자 | 소수성 입자 | 인장 강도 (kgf/㎠) |
실시예 1 | TiO2 | SiO2 | 0.40 |
실시예 2 | SiO2 | TiO2 | 0.42 |
비교예 1 | TiO2 | - | 0.31 |
비교예 2 | - | SiO2 | 0.51 |
시간(일) | 실시예 1 (psi) |
실시예 2 (psi) |
비교예 1 (psi) |
비교예 2 (psi) |
1 | 0.55 | 0.52 | 0.40 | 0.70 |
2 | 0.69 | 0.65 | 0.45 | 0.80 |
3 | 0.79 | 0.78 | 0.50 | 1.00 |
4 | 0.95 | 1.09 | 0.60 | 2.00 |
5 | 1.10 | 1.29 | 0.74 | 3.50 |
6 | 1.57 | 1.65 | 0.70 | 4.00 |
7 | 1.74 | 1.89 | 0.20 | 5.20 |
Claims (9)
- 삭제
- 삭제
- 삭제
- 삭제
- 소수성 고분자와 소수성 입자를 포함하는 제1혼합물을 제조하는 제1단계;상기 제1혼합물과 친수성 입자를 포함하는 제2혼합물을 제조하는 제2단계;상기 제2혼합물을 방사 또는 지지체에 도포하여 고분자막을 제조하는 제3단계; 및상기 고분자막을 알칼리 용액 또는 산 용액에 침적하여 표면에 노출된 소수성 입자를 제거하는 제4단계를 포함하고,상기 친수성 입자와 소수성 입자는 서로 다른 화합물을 사용하고,상기 제1단계는, 소수성 고분자 100 중량부에 대하여 소수성 입자가 1.0 ~ 40.0 중량부로 포함되도록 혼합하고,상기 친수성 입자는 산화티타늄, 산화규소 및 산화알루미늄으로 이루어진 군중에서 선택된 하나 이상을 사용하고,상기 소수성 입자는 산화티타늄 및 산화알루미늄으로 이루어진 군중에서 선택된 하나 이상을 사용하는 것을 특징으로 하는 여과막의 제조방법.
- 삭제
- 제5항에 있어서,상기 제2단계는, 소수성 고분자 100중량부에 대하여 친수성 입자가 0.01 ~ 10.0 중량부로 포함되도록 혼합하는 것을 특징으로 하는 여과막의 제조방법.
- 제5항에 있어서,상기 소수성 고분자는 폴리비닐리덴플루오라이드, 폴리설폰, 폴리에테르설폰, 폴리올레핀 및 폴리테트라플루오로에틸렌으로 이루어진 군중에서 선택된 하나 이상인 것을 특징으로 하는 여과막의 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090036660A KR100984537B1 (ko) | 2009-04-27 | 2009-04-27 | 여과막 및 그 제조방법 |
Applications Claiming Priority (1)
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KR1020090036660A KR100984537B1 (ko) | 2009-04-27 | 2009-04-27 | 여과막 및 그 제조방법 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020100078971A Division KR20100118093A (ko) | 2010-08-16 | 2010-08-16 | 여과막 및 그 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100984537B1 true KR100984537B1 (ko) | 2010-10-01 |
Family
ID=43134841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020090036660A Expired - Fee Related KR100984537B1 (ko) | 2009-04-27 | 2009-04-27 | 여과막 및 그 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100984537B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09253463A (ja) * | 1996-03-22 | 1997-09-30 | Nok Corp | ポリスルホン系限外濾過膜の製造方法 |
KR20030001474A (ko) * | 2001-03-06 | 2003-01-06 | 아사히 가세이 가부시키가이샤 | 중공사막의 제조 방법 |
KR20080083624A (ko) * | 2006-01-13 | 2008-09-18 | 엔비씨 가부시키가이샤 | 방오성을 갖는 복합부재 |
KR20090010122A (ko) * | 2006-05-12 | 2009-01-28 | 다우 글로벌 테크놀로지스 인크. | 개질된 막 |
-
2009
- 2009-04-27 KR KR1020090036660A patent/KR100984537B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09253463A (ja) * | 1996-03-22 | 1997-09-30 | Nok Corp | ポリスルホン系限外濾過膜の製造方法 |
KR20030001474A (ko) * | 2001-03-06 | 2003-01-06 | 아사히 가세이 가부시키가이샤 | 중공사막의 제조 방법 |
KR20080083624A (ko) * | 2006-01-13 | 2008-09-18 | 엔비씨 가부시키가이샤 | 방오성을 갖는 복합부재 |
KR20090010122A (ko) * | 2006-05-12 | 2009-01-28 | 다우 글로벌 테크놀로지스 인크. | 개질된 막 |
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