JP2000176263A5 - - Google Patents
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- Publication number
- JP2000176263A5 JP2000176263A5 JP1999216533A JP21653399A JP2000176263A5 JP 2000176263 A5 JP2000176263 A5 JP 2000176263A5 JP 1999216533 A JP1999216533 A JP 1999216533A JP 21653399 A JP21653399 A JP 21653399A JP 2000176263 A5 JP2000176263 A5 JP 2000176263A5
- Authority
- JP
- Japan
- Prior art keywords
- reverse osmosis
- functional layer
- composite membrane
- osmosis composite
- range
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 9
- 239000002346 layers by function Substances 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 5
- 238000001223 reverse osmosis Methods 0.000 claims 5
- 239000013505 freshwater Substances 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- 239000012535 impurity Substances 0.000 claims 2
- 125000001033 ether group Chemical group 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 4
- 238000011033 desalting Methods 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21653399A JP4284767B2 (ja) | 1998-10-05 | 1999-07-30 | 複合半透膜およびそれを用いた造水方法、流体分離素子 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10-282807 | 1998-10-05 | ||
| JP28280798 | 1998-10-05 | ||
| JP21653399A JP4284767B2 (ja) | 1998-10-05 | 1999-07-30 | 複合半透膜およびそれを用いた造水方法、流体分離素子 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000176263A JP2000176263A (ja) | 2000-06-27 |
| JP2000176263A5 true JP2000176263A5 (enrdf_load_stackoverflow) | 2005-07-21 |
| JP4284767B2 JP4284767B2 (ja) | 2009-06-24 |
Family
ID=26521490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21653399A Expired - Fee Related JP4284767B2 (ja) | 1998-10-05 | 1999-07-30 | 複合半透膜およびそれを用いた造水方法、流体分離素子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4284767B2 (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1030346C2 (nl) * | 2004-11-15 | 2006-09-20 | Toray Industries | Semipermeabel composietmembraan, productiewerkwijze daarvan, en element, fluïdumscheidingsinstallatie en werkwijze voor behandeling van water onder toepassing van hetzelfde. |
| US8147735B2 (en) | 2008-07-09 | 2012-04-03 | Eltron Research & Development, Inc. | Semipermeable polymers and method for producing same |
| US8754139B2 (en) * | 2009-02-20 | 2014-06-17 | International Business Machines Corporation | Polyamide membranes with fluoroalcohol functionality |
| EP2695670B1 (en) * | 2011-04-01 | 2020-04-29 | Toray Industries, Inc. | Composite semipermeable membrane, composite semipermeable membrane element, and method for manufacturing composite semipermeable membrane |
| KR101433841B1 (ko) * | 2013-01-23 | 2014-08-26 | 한남대학교 산학협력단 | 복합막 및 그 제조방법 |
| KR102172598B1 (ko) * | 2013-02-28 | 2020-11-02 | 도레이 카부시키가이샤 | 복합 반투막 |
| KR102315570B1 (ko) * | 2016-06-29 | 2021-10-21 | 도레이 카부시키가이샤 | 복합 반투막 및 복합 반투막의 제조 방법 |
| CN113828161A (zh) * | 2020-06-23 | 2021-12-24 | 清华大学 | 一种具有高硼酸截留率的聚酰胺反渗透膜及其制备方法 |
| US12383885B2 (en) | 2023-11-24 | 2025-08-12 | Lg Chem, Ltd. | Super absorbent polymer |
-
1999
- 1999-07-30 JP JP21653399A patent/JP4284767B2/ja not_active Expired - Fee Related
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