KR920700748A - 유기성분을 함유한 유체로부터 투석증발에 의한 물의 분리용 복합막 - Google Patents
유기성분을 함유한 유체로부터 투석증발에 의한 물의 분리용 복합막Info
- Publication number
- KR920700748A KR920700748A KR1019910700809A KR910700809A KR920700748A KR 920700748 A KR920700748 A KR 920700748A KR 1019910700809 A KR1019910700809 A KR 1019910700809A KR 910700809 A KR910700809 A KR 910700809A KR 920700748 A KR920700748 A KR 920700748A
- Authority
- KR
- South Korea
- Prior art keywords
- composite membrane
- acid
- layer
- membrane according
- polyvinyl alcohol
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims 22
- 238000000926 separation method Methods 0.000 title claims 8
- 239000012530 fluid Substances 0.000 title claims 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims 6
- 238000000502 dialysis Methods 0.000 title claims 4
- 238000001704 evaporation Methods 0.000 title claims 4
- 230000008020 evaporation Effects 0.000 title claims 4
- 239000002131 composite material Substances 0.000 claims 19
- 239000000203 mixture Substances 0.000 claims 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 6
- 239000002253 acid Substances 0.000 claims 5
- 238000006243 chemical reaction Methods 0.000 claims 5
- -1 carbon halide Chemical class 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 229920002492 poly(sulfone) Polymers 0.000 claims 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- 229920000098 polyolefin Polymers 0.000 claims 3
- 230000003014 reinforcing effect Effects 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229920000742 Cotton Polymers 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 239000004697 Polyetherimide Substances 0.000 claims 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 claims 2
- 238000004132 cross linking Methods 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 2
- 239000011521 glass Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229920001601 polyetherimide Polymers 0.000 claims 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims 1
- 229920002284 Cellulose triacetate Polymers 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims 1
- 239000002033 PVDF binder Substances 0.000 claims 1
- 229920002614 Polyether block amide Polymers 0.000 claims 1
- 239000004695 Polyether sulfone Substances 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims 1
- 230000021736 acetylation Effects 0.000 claims 1
- 238000006640 acetylation reaction Methods 0.000 claims 1
- 238000010306 acid treatment Methods 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 150000003863 ammonium salts Chemical class 0.000 claims 1
- 239000004917 carbon fiber Substances 0.000 claims 1
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000032050 esterification Effects 0.000 claims 1
- 238000005886 esterification reaction Methods 0.000 claims 1
- 238000006266 etherification reaction Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 229920002239 polyacrylonitrile Polymers 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 229920006393 polyether sulfone Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 239000012808 vapor phase Substances 0.000 claims 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
-
- 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
- B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
-
- 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
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/362—Pervaporation
-
- 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
- B01D67/0083—Thermal after-treatment
-
- 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
-
- 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
- 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
- B01D69/1216—Three or more layers
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
-
- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/381—Polyvinylalcohol
-
- 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
- C02F1/448—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by pervaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/021—Pore shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02833—Pore size more than 10 and up to 100 nm
-
- 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)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (20)
- 증기상으로 폴리비닐 알코올 분리층에 작용하는 산처리에 의하여 폴리비닐 알코올 분리층을 후가교 반응시키는 것을 특징으로 하는 가교된 폴리비닐 알코올의 분리층으로 이루어지고, 투석증발에 의하여 유기성분을 함유한 유체혼합물로부터 물을 분리시키기 위한 복합막.
- 제1항에 있어서, 산이 염산, 아황산, 황산, 아질산, 질산, 초산 또는 그 혼합물 중에서 선택되는 것을 특징으로 하는 복합막.
- 제1항에 있어서 산이 산을 유리시키는 화합물에 의하여 그대로 얻어지는 것을 특징으로 하는 복합막.
- 제3항에 있어서, 산유리 화합물이 탄소 할라이드. 특히 α,ｗ- 디할로겐 알칸인 것을 특징을 하는복합막.
- 제3항에 있어서, 산유리 화합물이 염, 특히 암모늄염인 것을 특징으로 하는 복합막.
- 제1-5항 중 어느 한 항에 있어서, 100℃-230℃, 특히 130℃-180℃의 온도에서 후가교반응을 수행한 것을 특징으로 하는 복합막.
- 제1-6항중 어느 한 항에 있어서, 후가교반응을 산소부분 압력 1-100mbar, 특히 1-50mbar에서 산소 함유가스 존재하에 수행한 것을 특징으로 하는 복합막.
- 제1-7항 중 어느 한 항에 있어서, 후가교 반응시킨 폴리비닐 알코올층이 에테르화, 에스테르화 및 또는 아세틸화에 의한 예비 가교 반응에 의하여 얻어진 것을 특징으로 하는 복합막.
- 제1-8항 중 어느 한 항에 있어서, 분리층이 폴리아크릴로니트릴, 폴리술폰, 폴리에트르 술폰, 폴리에테르이미드, 폴리우레탄 또는 가수분해된 셀룰로스 아세테이트로 이루어진 다공성 받침층에 놓인 것을 특징으로 하는 복합막.
- 제9항에 있어서, 다공성 받침층이 평균 기공입도 5-100nm, 특히 10-50nm인 비대칭 기공구조로 이루어진 것을 특징으로 하는 복합막.
- 제9또는 10항에 있어서, 다공성 받침층이 폴리에스테르, 폴리에틸렌, 폴리프로필렌, PTFE, 면, 탄소, 유리 또는 금속섬유의 천 또는 플리스인 강화층에 놓은 것을 특징으로 하는 복합막.
- 제1-11항 중 어느한 항에 있어서, 분리층의 폴리비닐 알코올을 50-100% 특히 98-100%의 양으로 가수분해 시킨 것을 특징으로 하는 복합막.
- 제1-12항 중 어느 한 항에 있어서, 분리층의 폴리비닐 알코올이 분자량 20,000-200,000, 특히 100,000-150,000인 것을 특징으로 하는 복합막.
- 제1-8, 10,12및 13항 중 어느 한 항에 있어서, 막이 다공성 받침층과 아민 내성 물질의 강화층으로 이루어진 것을 특징으로 하는 복합막.
- 제14항에 있어서 다공성 받침층이 폴리술폰, 폴리에테르 술폰, 폴리에테르아미드, 폴리비닐리덴 플루오라이드, 가수분해된 셀룰로스 트리아 세테이트, 폴리페닐렌 술파이드 또는 부분적으로 플루오르화된 폴리올레핀의 공중합체로 이루어진 것을 특징으로 하는 복합막.
- 제14또는 15항에 있어서, 강화층이 면, 금속, 폴리올레핀, 플루오르화 폴리올레핀, 폴리술폰, 폴리에테르 이미드, 폴리페닐렌 술파이드 또는 탄소 섬유로 이루어진 매우 다공성인 유연성 천 또는 플리스이거나, 또는 강화층이 유리, 세라믹, 흑연 또는 금속의 다공성 구조인 것을 특징으로 하는 복합막.
- 탈수될 유체 혼합물을 복합막의 제1측면에 접촉시키고, 반면에 막의 제2측면위 물의 화학 포텐셜을 제1측변위 물의 화학 포텐셜보다 낮은 수치로 유지시키는 투석증발에 의하여 유기성분을 함유한 유체 혼합물로부터 물을 분리시키는 방법에 있어서, 제1-13항중 한가지의 복합막으로 수행시키는 것을 특징으로 하는 유기성분을 함유한 유체 혼합물로부터 투석증발에 의한 물의 분리방법.
- 제17항에 있어서, 제14-16항중 한가지의 복합막으로 수행시키는 것을 특징으로 하는 물 함유 아민용액을 탈수시키기 위한 분리방법.
- 제17 또는 18항에 있어서, 탈수될 유체혼합물이 액체 혼합물인 것을 특징으로 하는 분리방법.
- 제17 또는 18항에 있어서, 탈수될 유체혼합물이 증기형태, 특히 포화증기인 것을 특징으로 하는 분리방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3939867A DE3939867A1 (de) | 1989-12-01 | 1989-12-01 | Composite-membran zur abtrennung von wasser aus organische komponenten enthaltenden fluiden mittels pervaporation |
| DE3939841A DE3939841A1 (de) | 1989-12-01 | 1989-12-01 | Entwaesserung von aminen mittels pervaporation |
| DEP39398676 | 1989-12-01 | ||
| DEP39398412 | 1989-12-01 | ||
| PCT/EP1990/002074 WO1991008043A1 (de) | 1989-12-01 | 1990-12-03 | Composite-membran zur abtrennung von wasser aus organische komponenten enthaltenden fluiden mittels pervaporation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR920700748A true KR920700748A (ko) | 1992-08-10 |
Family
ID=25887579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910700809A KR920700748A (ko) | 1989-12-01 | 1990-12-03 | 유기성분을 함유한 유체로부터 투석증발에 의한 물의 분리용 복합막 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5334314A (ko) |
| EP (1) | EP0436128B1 (ko) |
| JP (1) | JPH04506766A (ko) |
| KR (1) | KR920700748A (ko) |
| AT (1) | ATE119428T1 (ko) |
| BR (1) | BR9007088A (ko) |
| CA (1) | CA2046332A1 (ko) |
| DE (1) | DE59008644D1 (ko) |
| WO (1) | WO1991008043A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100769969B1 (ko) * | 2007-01-30 | 2007-10-25 | 주식회사 에코넷 | 기능성 분리막의 구조 및 그 제조방법 |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| EP0835860B1 (de) * | 1996-10-14 | 2001-06-13 | Bayer Ag | Verfahren zur Herstellung von Estern oder Alkoholaten unter Abtrennung von Wasser |
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| US6998047B1 (en) | 1997-02-26 | 2006-02-14 | Millipore Corporation | Cast membrane structures for sample preparation |
| US20060084336A1 (en) * | 1999-08-10 | 2006-04-20 | Warwick Mills, Inc. | High strength lightweight composite fabric with low gas permeability |
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| ES2312371T3 (es) * | 2000-04-19 | 2009-03-01 | Porous Media Corporation | Procedimiento y dispositivo para la deshidratacion de aceite. |
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| FR2831172A1 (fr) * | 2001-10-19 | 2003-04-25 | Inergy Automotive Systems Man | Corps creux impermeable en materiau thermoplastique et procede pour sa fabrication |
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| JP4081052B2 (ja) * | 2003-12-05 | 2008-04-23 | 三井金属鉱業株式会社 | プリント配線基板の製造法 |
| US7997426B2 (en) | 2004-02-06 | 2011-08-16 | Exxonmobil Research And Engineering Company | Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes |
| US7604746B2 (en) * | 2004-04-27 | 2009-10-20 | Mcmaster University | Pervaporation composite membranes |
| US8182590B2 (en) * | 2005-04-29 | 2012-05-22 | University Of Rochester | Ultrathin porous nanoscale membranes, methods of making, and uses thereof |
| US7922795B2 (en) * | 2005-04-29 | 2011-04-12 | University Of Rochester | Ultrathin nanoscale membranes, methods of making, and uses thereof |
| WO2007106868A2 (en) * | 2006-03-14 | 2007-09-20 | University Of Rochester | Cell culture devices having ultrathin porous membrane and uses thereof |
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| US8366811B2 (en) | 2009-03-03 | 2013-02-05 | Oridion Medical (1987) Ltd. | Drying substances, preparation and use thereof |
| US9067035B2 (en) | 2009-03-03 | 2015-06-30 | Oridion Medical (1987) Ltd. | Drying substances, preparation and use thereof |
| US8597518B2 (en) * | 2009-08-19 | 2013-12-03 | The University Of Connecticut | Pervaporation composite membrane for aqueous solution separation and methods for using the same |
| US9873091B2 (en) * | 2010-09-20 | 2018-01-23 | Deltamem Ag | Membrane having a pore-free separating layer and use and method of manufacturing a membrane |
| US10688446B2 (en) | 2013-10-17 | 2020-06-23 | Council Of Scientific & Industrial Research | Seaweed polysaccharide based superhydrophilic foam membrane for energy-efficient oil-water separation |
| CN105289321B (zh) * | 2014-07-22 | 2017-07-28 | 中国石油化工股份有限公司 | 一种复合纳滤膜及其制备方法 |
| CN105435646B (zh) * | 2014-07-22 | 2017-11-07 | 中国石油化工股份有限公司 | 一种复合纳滤膜及其制备方法 |
| CN105435645B (zh) * | 2014-07-22 | 2017-09-29 | 中国石油化工股份有限公司 | 一种复合纳滤膜及其制备方法 |
| AU2016233214B2 (en) | 2015-03-19 | 2017-11-02 | S. C. Johnson & Son, Inc. | Composite membrane |
| CN105617877A (zh) * | 2015-12-20 | 2016-06-01 | 华南理工大学 | 一种聚乙烯醇复合薄膜及其制备方法与在渗透蒸发中的应用 |
| IT201900009207A1 (it) | 2019-06-17 | 2020-12-17 | Eni Spa | Procedimento per la concentrazione di acqua amminica |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE630794A (ko) * | 1962-04-10 | |||
| JPS56147604A (en) * | 1980-04-18 | 1981-11-16 | Nitto Electric Ind Co Ltd | Manufacture of composite gas permeable membrane |
| DE3220570A1 (de) * | 1982-06-01 | 1983-12-01 | GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
| US4795063A (en) * | 1985-11-29 | 1989-01-03 | Pentel Kabushiki Kaisha | Fluid discharging device |
| DK169616B1 (da) * | 1986-08-27 | 1994-12-27 | Dow Danmark | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| US4802988A (en) * | 1987-09-17 | 1989-02-07 | Texaco Inc. | Dehydration of glycols |
| US5039421A (en) * | 1989-10-02 | 1991-08-13 | Aligena Ag | Solvent stable membranes |
| US9242762B2 (en) * | 2010-10-26 | 2016-01-26 | Yoshino Kogyosho Co., Ltd. | Bottle |
-
1990
- 1990-12-03 AT AT90123133T patent/ATE119428T1/de not_active IP Right Cessation
- 1990-12-03 WO PCT/EP1990/002074 patent/WO1991008043A1/de active Application Filing
- 1990-12-03 US US07/741,508 patent/US5334314A/en not_active Expired - Fee Related
- 1990-12-03 JP JP3501215A patent/JPH04506766A/ja active Pending
- 1990-12-03 DE DE59008644T patent/DE59008644D1/de not_active Expired - Fee Related
- 1990-12-03 EP EP90123133A patent/EP0436128B1/de not_active Expired - Lifetime
- 1990-12-03 BR BR909007088A patent/BR9007088A/pt not_active Application Discontinuation
- 1990-12-03 CA CA002046332A patent/CA2046332A1/en not_active Abandoned
- 1990-12-03 KR KR1019910700809A patent/KR920700748A/ko not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100769969B1 (ko) * | 2007-01-30 | 2007-10-25 | 주식회사 에코넷 | 기능성 분리막의 구조 및 그 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE119428T1 (de) | 1995-03-15 |
| DE59008644D1 (de) | 1995-04-13 |
| EP0436128A1 (de) | 1991-07-10 |
| CA2046332A1 (en) | 1991-06-02 |
| JPH04506766A (ja) | 1992-11-26 |
| EP0436128B1 (de) | 1995-03-08 |
| BR9007088A (pt) | 1992-01-28 |
| US5334314A (en) | 1994-08-02 |
| WO1991008043A1 (de) | 1991-06-13 |
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