JPWO2022249839A1 - - Google Patents
Info
- Publication number
- JPWO2022249839A1 JPWO2022249839A1 JP2022525225A JP2022525225A JPWO2022249839A1 JP WO2022249839 A1 JPWO2022249839 A1 JP WO2022249839A1 JP 2022525225 A JP2022525225 A JP 2022525225A JP 2022525225 A JP2022525225 A JP 2022525225A JP WO2022249839 A1 JPWO2022249839 A1 JP WO2022249839A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/216—Surfactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
-
- 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
-
- 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
- B01D2325/025—Finger pores
-
- 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
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02834—Pore size more than 0.1 and up to 1 µm
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021089042 | 2021-05-27 | ||
| PCT/JP2022/018864 WO2022249839A1 (ja) | 2021-05-27 | 2022-04-26 | 分離膜及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022249839A1 true JPWO2022249839A1 (https=) | 2022-12-01 |
| JPWO2022249839A5 JPWO2022249839A5 (https=) | 2025-02-21 |
Family
ID=84228767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022525225A Pending JPWO2022249839A1 (https=) | 2021-05-27 | 2022-04-26 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4349461A4 (https=) |
| JP (1) | JPWO2022249839A1 (https=) |
| CN (1) | CN117425522A (https=) |
| AU (1) | AU2022282948A1 (https=) |
| WO (1) | WO2022249839A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116808851B (zh) * | 2023-03-08 | 2024-11-08 | 杭州师范大学 | 一种基于体积排斥效应的聚偏氟乙烯阶层式多孔薄膜及其制备方法和应用 |
| WO2025183194A1 (ja) * | 2024-02-29 | 2025-09-04 | 東レ株式会社 | 分離膜及びその製造方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656202A (en) * | 1979-10-15 | 1981-05-18 | Asahi Chem Ind Co Ltd | Hollow porous membrane yarn made of polyvinylidene fluoride type resin |
| WO1997026134A1 (en) * | 1996-01-22 | 1997-07-24 | Memtec America Corporation | Highly porous polyvinylidene difluoride membranes |
| JPH10316793A (ja) * | 1997-05-19 | 1998-12-02 | Asahi Chem Ind Co Ltd | フッ化ビニリデン系樹脂製多孔質膜 |
| WO2007119850A1 (ja) * | 2006-04-19 | 2007-10-25 | Asahi Kasei Chemicals Corporation | 高耐久性pvdf多孔質膜及びその製造方法、並びに、これを用いた洗浄方法及び濾過方法 |
| JP2007283287A (ja) * | 2006-03-24 | 2007-11-01 | Toray Ind Inc | ポリフッ化ビニリデン系多孔質分離膜 |
| JP2008543546A (ja) * | 2005-06-20 | 2008-12-04 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | ポリマー膜の架橋処理 |
| JP2010221218A (ja) * | 2001-02-16 | 2010-10-07 | Toray Ind Inc | 分離膜の製造方法および分離膜 |
| WO2013022660A1 (en) * | 2011-08-05 | 2013-02-14 | Arkema Inc. | Polymer blend membranes |
| JP2020104104A (ja) * | 2018-12-26 | 2020-07-09 | 東レ株式会社 | 多孔質膜、複合膜及び多孔質膜の製造方法 |
-
2022
- 2022-04-26 WO PCT/JP2022/018864 patent/WO2022249839A1/ja not_active Ceased
- 2022-04-26 JP JP2022525225A patent/JPWO2022249839A1/ja active Pending
- 2022-04-26 AU AU2022282948A patent/AU2022282948A1/en active Pending
- 2022-04-26 CN CN202280035112.3A patent/CN117425522A/zh active Pending
- 2022-04-26 EP EP22811113.4A patent/EP4349461A4/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656202A (en) * | 1979-10-15 | 1981-05-18 | Asahi Chem Ind Co Ltd | Hollow porous membrane yarn made of polyvinylidene fluoride type resin |
| WO1997026134A1 (en) * | 1996-01-22 | 1997-07-24 | Memtec America Corporation | Highly porous polyvinylidene difluoride membranes |
| JPH10316793A (ja) * | 1997-05-19 | 1998-12-02 | Asahi Chem Ind Co Ltd | フッ化ビニリデン系樹脂製多孔質膜 |
| JP2010221218A (ja) * | 2001-02-16 | 2010-10-07 | Toray Ind Inc | 分離膜の製造方法および分離膜 |
| JP2008543546A (ja) * | 2005-06-20 | 2008-12-04 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | ポリマー膜の架橋処理 |
| JP2007283287A (ja) * | 2006-03-24 | 2007-11-01 | Toray Ind Inc | ポリフッ化ビニリデン系多孔質分離膜 |
| WO2007119850A1 (ja) * | 2006-04-19 | 2007-10-25 | Asahi Kasei Chemicals Corporation | 高耐久性pvdf多孔質膜及びその製造方法、並びに、これを用いた洗浄方法及び濾過方法 |
| WO2013022660A1 (en) * | 2011-08-05 | 2013-02-14 | Arkema Inc. | Polymer blend membranes |
| JP2020104104A (ja) * | 2018-12-26 | 2020-07-09 | 東レ株式会社 | 多孔質膜、複合膜及び多孔質膜の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022249839A1 (ja) | 2022-12-01 |
| EP4349461A4 (en) | 2025-05-28 |
| AU2022282948A1 (en) | 2023-11-09 |
| EP4349461A1 (en) | 2024-04-10 |
| CN117425522A (zh) | 2024-01-19 |
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