JP7173407B1 - 複合半透膜 - Google Patents
複合半透膜 Download PDFInfo
- Publication number
- JP7173407B1 JP7173407B1 JP2022525132A JP2022525132A JP7173407B1 JP 7173407 B1 JP7173407 B1 JP 7173407B1 JP 2022525132 A JP2022525132 A JP 2022525132A JP 2022525132 A JP2022525132 A JP 2022525132A JP 7173407 B1 JP7173407 B1 JP 7173407B1
- Authority
- JP
- Japan
- Prior art keywords
- composite semipermeable
- semipermeable membrane
- thin film
- membrane
- height
- 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.)
- Active
Links
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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
- 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
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
-
- 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
-
- 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
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/06—Surface irregularities
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022175059A JP7567890B2 (ja) | 2021-04-22 | 2022-10-31 | 複合半透膜 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021072381 | 2021-04-22 | ||
| JP2021072381 | 2021-04-22 | ||
| PCT/JP2022/018638 WO2022225061A1 (ja) | 2021-04-22 | 2022-04-22 | 複合半透膜 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022175059A Division JP7567890B2 (ja) | 2021-04-22 | 2022-10-31 | 複合半透膜 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022225061A1 JPWO2022225061A1 (https=) | 2022-10-27 |
| JP7173407B1 true JP7173407B1 (ja) | 2022-11-16 |
| JPWO2022225061A5 JPWO2022225061A5 (https=) | 2023-03-17 |
Family
ID=83722858
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022525132A Active JP7173407B1 (ja) | 2021-04-22 | 2022-04-22 | 複合半透膜 |
| JP2022175059A Active JP7567890B2 (ja) | 2021-04-22 | 2022-10-31 | 複合半透膜 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022175059A Active JP7567890B2 (ja) | 2021-04-22 | 2022-10-31 | 複合半透膜 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12161978B2 (https=) |
| EP (1) | EP4327920A4 (https=) |
| JP (2) | JP7173407B1 (https=) |
| KR (1) | KR102685078B1 (https=) |
| CN (1) | CN117202982B (https=) |
| WO (1) | WO2022225061A1 (https=) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008517737A (ja) * | 2004-10-29 | 2008-05-29 | 東レ株式会社 | 複合半透膜、その製造方法、ならびにそれを用いたエレメント、流体分離装置、および水処理方法 |
| JP2018069160A (ja) * | 2016-10-28 | 2018-05-10 | 日東電工株式会社 | 複合半透膜、及びスパイラル型分離膜エレメント |
| JP2019177342A (ja) * | 2018-03-30 | 2019-10-17 | 東レ株式会社 | 複合半透膜 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258203A (en) | 1991-02-04 | 1993-11-02 | E. I. Du Pont De Nemours And Company | Process for the manufacture of thin film composite membranes |
| JP3489922B2 (ja) | 1994-12-22 | 2004-01-26 | 日東電工株式会社 | 高透過性複合逆浸透膜の製造方法 |
| JP3780734B2 (ja) | 1998-05-11 | 2006-05-31 | 東レ株式会社 | 複合半透膜 |
| US8177978B2 (en) | 2008-04-15 | 2012-05-15 | Nanoh20, Inc. | Reverse osmosis membranes |
| CN101874989B (zh) * | 2009-12-18 | 2013-07-31 | 北京时代沃顿科技有限公司 | 一种耐微生物污染的复合反渗透膜及其制备方法 |
| WO2011102124A1 (ja) | 2010-02-16 | 2011-08-25 | 日東電工株式会社 | 複合分離膜およびこれを用いた分離膜エレメント |
| KR101928256B1 (ko) | 2010-02-23 | 2018-12-11 | 도레이 카부시키가이샤 | 복합 반투막 및 그의 제조 방법 |
| US20140034569A1 (en) | 2012-05-23 | 2014-02-06 | Lg Chem, Ltd. | Reverse osmosis membrane having high initial permeate flux |
| JP2014521499A (ja) | 2012-05-23 | 2014-08-28 | エルジー・ケム・リミテッド | 初期透過流量に優れたポリアミド系逆浸透分離膜及びその製造方法 |
| JP2014065003A (ja) | 2012-09-26 | 2014-04-17 | Toray Ind Inc | 複合半透膜及びその膜を用いた造水方法 |
| KR102263342B1 (ko) | 2013-10-31 | 2021-06-11 | 도레이 카부시키가이샤 | 분리막 엘리먼트 |
| CN106659986A (zh) | 2014-06-30 | 2017-05-10 | 东丽株式会社 | 复合半透膜 |
| CN104607067B (zh) * | 2014-12-05 | 2016-07-06 | 北京碧水源净水科技有限公司 | 一种超低压高通量反渗透膜的制备方法 |
| JP6771865B2 (ja) | 2015-01-29 | 2020-10-21 | 東レ株式会社 | 複合半透膜および複合半透膜エレメント |
| JP6702181B2 (ja) * | 2015-02-27 | 2020-05-27 | 東レ株式会社 | 複合半透膜 |
| CN107921378A (zh) | 2015-07-31 | 2018-04-17 | 东丽株式会社 | 分离膜、分离膜元件、净水器及分离膜的制造方法 |
| KR102497473B1 (ko) | 2015-12-25 | 2023-02-08 | 도레이 카부시키가이샤 | 복합 반투막 |
| KR102061543B1 (ko) * | 2017-01-31 | 2020-01-02 | 도레이 카부시키가이샤 | 복합 반투막 및 복합 반투막의 제조 방법 |
| CN108079806B (zh) | 2018-02-07 | 2020-09-08 | 浙江大学 | 一种聚酰胺半透膜、制备方法及其应用 |
| JP7396856B2 (ja) | 2019-10-31 | 2023-12-12 | JDI Design and Development 合同会社 | 表示装置 |
-
2022
- 2022-04-22 CN CN202280030071.9A patent/CN117202982B/zh active Active
- 2022-04-22 EP EP22791832.3A patent/EP4327920A4/en not_active Withdrawn
- 2022-04-22 KR KR1020237035604A patent/KR102685078B1/ko active Active
- 2022-04-22 JP JP2022525132A patent/JP7173407B1/ja active Active
- 2022-04-22 WO PCT/JP2022/018638 patent/WO2022225061A1/ja not_active Ceased
- 2022-04-22 US US18/287,786 patent/US12161978B2/en active Active
- 2022-10-31 JP JP2022175059A patent/JP7567890B2/ja active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008517737A (ja) * | 2004-10-29 | 2008-05-29 | 東レ株式会社 | 複合半透膜、その製造方法、ならびにそれを用いたエレメント、流体分離装置、および水処理方法 |
| JP2018069160A (ja) * | 2016-10-28 | 2018-05-10 | 日東電工株式会社 | 複合半透膜、及びスパイラル型分離膜エレメント |
| JP2019177342A (ja) * | 2018-03-30 | 2019-10-17 | 東レ株式会社 | 複合半透膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7567890B2 (ja) | 2024-10-16 |
| US12161978B2 (en) | 2024-12-10 |
| EP4327920A4 (en) | 2024-09-18 |
| CN117202982A (zh) | 2023-12-08 |
| KR102685078B1 (ko) | 2024-07-16 |
| KR20230151041A (ko) | 2023-10-31 |
| JPWO2022225061A1 (https=) | 2022-10-27 |
| US20240278184A1 (en) | 2024-08-22 |
| JP2023011789A (ja) | 2023-01-24 |
| EP4327920A1 (en) | 2024-02-28 |
| CN117202982B (zh) | 2024-09-10 |
| WO2022225061A1 (ja) | 2022-10-27 |
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