DE60134776D1 - Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung - Google Patents
Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellungInfo
- Publication number
- DE60134776D1 DE60134776D1 DE60134776T DE60134776T DE60134776D1 DE 60134776 D1 DE60134776 D1 DE 60134776D1 DE 60134776 T DE60134776 T DE 60134776T DE 60134776 T DE60134776 T DE 60134776T DE 60134776 D1 DE60134776 D1 DE 60134776D1
- Authority
- DE
- Germany
- Prior art keywords
- membranes
- percent
- rejections
- pressure
- reverse osmosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- 238000001728 nano-filtration Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 238000001223 reverse osmosis Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- 229920002647 polyamide Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
Classifications
-
- 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
-
- 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
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
-
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/724,883 US7001518B1 (en) | 2000-11-28 | 2000-11-28 | Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof |
| PCT/US2001/044486 WO2002043842A2 (en) | 2000-11-28 | 2001-11-28 | Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60134776D1 true DE60134776D1 (de) | 2009-04-02 |
Family
ID=24912312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60134776T Expired - Lifetime DE60134776D1 (de) | 2000-11-28 | 2001-11-28 | Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7001518B1 (de) |
| EP (1) | EP1345673B1 (de) |
| KR (1) | KR20030074630A (de) |
| AT (1) | ATE409075T1 (de) |
| AU (1) | AU2002219904A1 (de) |
| CA (1) | CA2430036A1 (de) |
| DE (1) | DE60134776D1 (de) |
| WO (1) | WO2002043842A2 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7882963B2 (en) | 2006-05-12 | 2011-02-08 | Dow Global Technologies Inc. | Modified membrane |
| CN100453153C (zh) * | 2006-08-17 | 2009-01-21 | 贵阳时代汇通膜科技有限公司 | 一种极低压复合反渗透膜的生产方法 |
| CN101234295B (zh) * | 2007-02-02 | 2010-10-27 | 天津威德泰科石化科技发展有限公司 | 降低纳滤膜对NaCl脱除率的处理方法 |
| KR20140108671A (ko) * | 2011-12-07 | 2014-09-12 | 듀폰 뉴트리션 바이오사이언시즈 에이피에스 | 용질 유속을 향상시키기 위한 전처리를 이용한 나노여과 방법 |
| DK177696B1 (en) * | 2013-02-25 | 2014-03-17 | Aquaporin As | Systems for water extraction |
| US10384167B2 (en) | 2013-11-21 | 2019-08-20 | Oasys Water LLC | Systems and methods for improving performance of osmotically driven membrane systems |
| CN103599706B (zh) * | 2013-12-03 | 2015-04-08 | 燕山大学 | 3-氨丙基三甲氧基硅烷-乙二胺四亚甲基膦酸/聚偏氟乙烯螯合膜的制备方法 |
| WO2015099460A1 (ko) * | 2013-12-26 | 2015-07-02 | 주식회사 엘지화학 | 고성능 폴리아미드계 건식 수처리 분리막 및 그 제조방법 |
| US9795928B2 (en) | 2014-06-24 | 2017-10-24 | Nano And Advanced Materials Institute Limited | Stepwise interfacial polymerization technique with different reagent solution designs to prepare hollow fiber nanofiltration membrane composites |
| CN104190265A (zh) * | 2014-08-31 | 2014-12-10 | 浙江大学 | 一种具有稳定分离层的低压高通量含氯聚合物纳滤膜及其制备方法 |
| KR20200097796A (ko) | 2017-12-21 | 2020-08-19 | 닛토덴코 가부시키가이샤 | 산화 그래핀 막 보호 코팅 |
| CN114749034B (zh) * | 2022-04-26 | 2023-08-18 | 新疆中泰创新技术研究院有限责任公司 | 一种耐酸性双层结构纳滤膜及其制备方法和应用 |
| CN115624868B (zh) * | 2022-12-22 | 2023-03-10 | 湖南沁森高科新材料有限公司 | 一种反渗透膜及其制备方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259183A (en) | 1978-11-07 | 1981-03-31 | Midwest Research Institute | Reverse osmosis membrane |
| US4277344A (en) | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
| US4520044A (en) | 1984-07-30 | 1985-05-28 | E. I. Du Pont De Nemours And Company | Production of composite membranes |
| US4761234A (en) | 1985-08-05 | 1988-08-02 | Toray Industries, Inc. | Interfacially synthesized reverse osmosis membrane |
| US4765897A (en) | 1986-04-28 | 1988-08-23 | The Dow Chemical Company | Polyamide membranes useful for water softening |
| US4812270A (en) | 1986-04-28 | 1989-03-14 | Filmtec Corporation | Novel water softening membranes |
| US4872984A (en) | 1988-09-28 | 1989-10-10 | Hydranautics Corporation | Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same |
| US4983291A (en) * | 1989-12-14 | 1991-01-08 | Allied-Signal Inc. | Dry high flux semipermeable membranes |
| US5254261A (en) | 1991-08-12 | 1993-10-19 | Hydranautics | Interfacially synthesized reverse osmosis membranes and processes for preparing the same |
| JP3646362B2 (ja) * | 1995-08-18 | 2005-05-11 | 東レ株式会社 | 半透膜およびその製造方法 |
| US6063278A (en) * | 1998-04-28 | 2000-05-16 | Saehan Industries Inc. | Composite polyamide reverse osmosis membrane and method of producing the same |
-
2000
- 2000-11-28 US US09/724,883 patent/US7001518B1/en not_active Expired - Fee Related
-
2001
- 2001-11-28 CA CA002430036A patent/CA2430036A1/en not_active Abandoned
- 2001-11-28 AT AT01998391T patent/ATE409075T1/de not_active IP Right Cessation
- 2001-11-28 EP EP01998391A patent/EP1345673B1/de not_active Expired - Lifetime
- 2001-11-28 WO PCT/US2001/044486 patent/WO2002043842A2/en not_active Application Discontinuation
- 2001-11-28 DE DE60134776T patent/DE60134776D1/de not_active Expired - Lifetime
- 2001-11-28 KR KR10-2003-7007145A patent/KR20030074630A/ko active Search and Examination
- 2001-11-28 AU AU2002219904A patent/AU2002219904A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US7001518B1 (en) | 2006-02-21 |
| EP1345673B1 (de) | 2008-09-24 |
| KR20030074630A (ko) | 2003-09-19 |
| WO2002043842A3 (en) | 2002-08-01 |
| AU2002219904A1 (en) | 2002-06-11 |
| CA2430036A1 (en) | 2002-06-06 |
| ATE409075T1 (de) | 2008-10-15 |
| EP1345673A2 (de) | 2003-09-24 |
| WO2002043842A2 (en) | 2002-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8372 | Publication of ep patent withdrawn | ||
| 8364 | No opposition during term of opposition |