KR102007624B1 - 분리막 - Google Patents
분리막 Download PDFInfo
- Publication number
- KR102007624B1 KR102007624B1 KR1020190082967A KR20190082967A KR102007624B1 KR 102007624 B1 KR102007624 B1 KR 102007624B1 KR 1020190082967 A KR1020190082967 A KR 1020190082967A KR 20190082967 A KR20190082967 A KR 20190082967A KR 102007624 B1 KR102007624 B1 KR 102007624B1
- Authority
- KR
- South Korea
- Prior art keywords
- functional layer
- separation
- formula
- group
- membrane
- 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
- 0 CCC1*C*(C)(CC(CCl)O)C1 Chemical compound CCC1*C*(C)(CC(CCl)O)C1 0.000 description 1
Images
Classifications
-
- 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
- B01D61/002—Forward osmosis or direct osmosis
-
- 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
- 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
- B01D61/027—Nanofiltration
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- 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
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- 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
- 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
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- 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
- 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
- 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
-
- 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
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/60—Polyamines
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/40—Details relating to membrane preparation in-situ membrane formation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/16—Membrane materials having positively charged functional groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Transplantation (AREA)
- Health & Medical Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyamides (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (9)
- 제1항에 있어서,
상기 식 (1)에 있어서, R1 및 R2는, 알킬기인, 분리막. - 제1항에 있어서,
상기 식 (1)에 있어서, R1 및 R2는, 메틸기인, 분리막. - 제1항에 있어서,
상기 식 (1)에 있어서, R1은 메틸기이며, R2는 3-클로로-2-히드록시프로필기인, 분리막. - 제1항에 있어서,
상기 식 (1)에 있어서, R1은 메틸기이며, R2는 2,3-에폭시프로필기인, 분리막. - 제1항에 있어서,
상기 중합체는, 상기 반복 단위를 이루는 제1 모노머와, 제2 모노머의 공중합체이며,
상기 제2 모노머는, 상기 분리 기능층에 화학 결합 가능한 반응성 치환기를 갖는, 분리막. - 제6항에 있어서,
상기 반응성 치환기는, 에폭시기, 수산기, 아미노기 또는 아미드기인, 분리막. - 제6항에 있어서,
상기 제2 모노머는, 3-클로로-2-히드록시프로필디알릴아민염산염, 알릴아민 또는 아크릴아미드인, 분리막. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 분리 기능층을 지지하는 지지체를 더 구비한, 분리막.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018176627A JP6484748B1 (ja) | 2018-09-20 | 2018-09-20 | 分離膜 |
JPJP-P-2018-176627 | 2018-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR102007624B1 true KR102007624B1 (ko) | 2019-08-06 |
Family
ID=65718375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020190082967A Active KR102007624B1 (ko) | 2018-09-20 | 2019-07-10 | 분리막 |
Country Status (5)
Country | Link |
---|---|
US (2) | US10913034B2 (ko) |
EP (1) | EP3626331B1 (ko) |
JP (1) | JP6484748B1 (ko) |
KR (1) | KR102007624B1 (ko) |
CN (1) | CN109925890B (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6484748B1 (ja) | 2018-09-20 | 2019-03-13 | 日東電工株式会社 | 分離膜 |
JP7027364B2 (ja) * | 2019-03-12 | 2022-03-01 | 日東電工株式会社 | 硫酸イオン除去システム及び方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH084730B2 (ja) * | 1991-05-15 | 1996-01-24 | ポール・コーポレーション | 微孔質メンブレン、その製造および使用 |
JP2011110469A (ja) * | 2009-11-25 | 2011-06-09 | Japan Organo Co Ltd | 分離膜の製造方法、分離膜およびイオン排除性能を有する分離膜モジュール |
JP2016190213A (ja) | 2015-03-31 | 2016-11-10 | 東レ株式会社 | 複合半透膜 |
WO2017022694A1 (ja) * | 2015-07-31 | 2017-02-09 | 東レ株式会社 | 分離膜、分離膜エレメント、浄水器および分離膜の製造方法 |
JP6305729B2 (ja) * | 2013-11-05 | 2018-04-04 | 日東電工株式会社 | 複合半透膜 |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54151570A (en) | 1978-05-22 | 1979-11-28 | Teijin Ltd | Selectively permeable composite membrane and its manufacture |
JPS5824303A (ja) | 1981-08-03 | 1983-02-14 | Teijin Ltd | 耐酸化性複合半透膜 |
JPH01180208A (ja) | 1988-01-11 | 1989-07-18 | Toray Ind Inc | 複合半透膜の製造方法およびその膜 |
JP2505631B2 (ja) * | 1990-08-09 | 1996-06-12 | 東レ株式会社 | 複合半透膜およびその製造方法および高純度水の製造方法 |
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 |
JPH1085571A (ja) | 1996-07-26 | 1998-04-07 | Dainippon Ink & Chem Inc | 分離膜 |
US6413425B1 (en) * | 1997-04-10 | 2002-07-02 | Nitto Denko Corporation | Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same |
US5922203A (en) * | 1997-10-07 | 1999-07-13 | Hydranautics | Amine monomers and their use in preparing interfacially synthesized membranes for reverse osmosis and nanofiltration |
AU2003217837A1 (en) * | 2002-02-28 | 2003-09-16 | Keck Graduate Institute | Cationic polyelectrolytes in biomolecule purification and analysis |
JP2005262078A (ja) | 2004-03-18 | 2005-09-29 | Nitto Denko Corp | 造水方法 |
JP2006021110A (ja) | 2004-07-07 | 2006-01-26 | Saline Water Conversion Corp | 最適高回収率エネルギー効率的二重完全総合ナノ濾過海水逆浸透脱塩法及び装置 |
JP4736498B2 (ja) | 2005-03-28 | 2011-07-27 | 栗田工業株式会社 | 分離膜及び水処理装置 |
US8147735B2 (en) | 2008-07-09 | 2012-04-03 | Eltron Research & Development, Inc. | Semipermeable polymers and method for producing same |
WO2011086346A1 (en) | 2010-01-14 | 2011-07-21 | Bp Exploration Operating Company Limited | Process of supplying water of controlled salinity |
WO2011149571A1 (en) * | 2010-05-24 | 2011-12-01 | Dow Global Technologies Llc | Polyamide membrane with coating comprising polyalkylene oxide and biguanide compounds |
US8727135B2 (en) * | 2010-09-01 | 2014-05-20 | International Business Machines Corporation | Composite filtration membranes and methods of preparation thereof |
US10369529B2 (en) | 2012-01-30 | 2019-08-06 | California Institute Of Technology | Mixed matrix membranes with embedded polymeric particles and networks and related compositions, methods, and systems |
CN102949938B (zh) | 2011-08-18 | 2014-08-13 | 中国科学院化学研究所 | 多层复合结构的滤膜的制备方法 |
KR101487575B1 (ko) | 2011-10-06 | 2015-01-30 | 주식회사 엘지화학 | 내오염성이 우수한 역삼투 분리막 및 그 제조방법 |
CN104136105B (zh) | 2012-02-29 | 2016-03-30 | 东丽株式会社 | 复合半透膜 |
US9211507B2 (en) * | 2012-11-21 | 2015-12-15 | Lg Chem, Ltd. | Water-treatment separating membrane of high flux having good chlorine resistance and method of manufacturing the same |
US20160068415A1 (en) | 2012-12-17 | 2016-03-10 | Chemetics Inc. | Improved method for removing fluoride from aqueous streams |
CN105934271A (zh) | 2013-04-10 | 2016-09-07 | 南洋理工大学 | 纳滤膜和制造纳滤膜的方法 |
CN104118961B (zh) | 2013-04-26 | 2016-12-28 | 玉米产品开发股份有限公司 | 从生物处理后的废水中去除硫酸钠 |
JP6206043B2 (ja) | 2013-09-30 | 2017-10-04 | 東レ株式会社 | 複合半透膜およびその製造方法 |
WO2015116508A1 (en) * | 2014-01-31 | 2015-08-06 | Dow Global Technologies Llc | Composite polyamide membrane including cellulose-based quaternary ammonium coating |
CN104028119B (zh) * | 2014-05-16 | 2015-12-02 | 浙江大学 | 一种羧酸甜菜碱型络合物改性聚酰胺纳滤膜的制备方法 |
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 |
KR20160121987A (ko) * | 2015-04-13 | 2016-10-21 | 엘지전자 주식회사 | 한계 계면 중합법과 이를 이용하여 제조한 분리막 |
JP6747926B2 (ja) | 2015-09-30 | 2020-08-26 | 日東電工株式会社 | スパイラル型分離膜エレメントの製造方法 |
JP2017124382A (ja) | 2016-01-15 | 2017-07-20 | 株式会社日立製作所 | 水処理システム |
EP3479892A4 (en) | 2016-06-29 | 2020-02-26 | Toray Industries, Inc. | Composite semipermeable membrane and method for producing composite semipermeable membrane |
CN109689186A (zh) * | 2016-09-07 | 2019-04-26 | 欧赛斯水务有限公司 | 有可替代的选择性层的膜 |
CN106621836B (zh) | 2016-12-22 | 2019-08-23 | 北京碧水源膜科技有限公司 | 一种用于一体式智能净水龙头的纳滤膜及其制备方法 |
CN108452689A (zh) | 2017-03-06 | 2018-08-28 | 青岛致用新材料科技有限公司 | 一种高选择性全脂环族聚酰胺纳滤膜及其制备方法 |
CN107029558A (zh) | 2017-04-26 | 2017-08-11 | 大连理工大学 | 一种耐氯性复合纳滤膜及其制备方法 |
US10646829B2 (en) | 2017-06-22 | 2020-05-12 | Teledyne Scientific & Imaging, Llc | High flux, chlorine resistant coating for sulfate removal membranes |
CN108187512A (zh) * | 2018-01-11 | 2018-06-22 | 中国石油大学(华东) | 一种高通量聚酰胺纳滤复合膜及其制备方法 |
JP7226708B2 (ja) | 2018-01-30 | 2023-02-21 | 日東電工株式会社 | 複合半透膜及びその製造方法 |
JP6484748B1 (ja) | 2018-09-20 | 2019-03-13 | 日東電工株式会社 | 分離膜 |
JP6526894B1 (ja) | 2018-09-20 | 2019-06-05 | 日東電工株式会社 | 分離膜 |
-
2018
- 2018-09-20 JP JP2018176627A patent/JP6484748B1/ja active Active
-
2019
- 2019-03-14 CN CN201910192431.5A patent/CN109925890B/zh active Active
- 2019-06-27 US US16/455,328 patent/US10913034B2/en active Active
- 2019-07-05 EP EP19184791.2A patent/EP3626331B1/en active Active
- 2019-07-10 KR KR1020190082967A patent/KR102007624B1/ko active Active
-
2021
- 2021-01-04 US US17/140,771 patent/US12239942B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH084730B2 (ja) * | 1991-05-15 | 1996-01-24 | ポール・コーポレーション | 微孔質メンブレン、その製造および使用 |
JP2011110469A (ja) * | 2009-11-25 | 2011-06-09 | Japan Organo Co Ltd | 分離膜の製造方法、分離膜およびイオン排除性能を有する分離膜モジュール |
JP6305729B2 (ja) * | 2013-11-05 | 2018-04-04 | 日東電工株式会社 | 複合半透膜 |
JP2016190213A (ja) | 2015-03-31 | 2016-11-10 | 東レ株式会社 | 複合半透膜 |
WO2017022694A1 (ja) * | 2015-07-31 | 2017-02-09 | 東レ株式会社 | 分離膜、分離膜エレメント、浄水器および分離膜の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN109925890A (zh) | 2019-06-25 |
EP3626331A1 (en) | 2020-03-25 |
CN109925890B (zh) | 2020-06-19 |
EP3626331B1 (en) | 2022-04-06 |
US10913034B2 (en) | 2021-02-09 |
US20200094194A1 (en) | 2020-03-26 |
US12239942B2 (en) | 2025-03-04 |
JP2020044518A (ja) | 2020-03-26 |
US20210121830A1 (en) | 2021-04-29 |
JP6484748B1 (ja) | 2019-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102791771B1 (ko) | 분리막 | |
KR102198401B1 (ko) | 방향족 탄화수소를 이용한 우수한 용질 제거 성능을 가진 분리막 제조 기술 | |
JP6183945B2 (ja) | ポリアミド複合膜の製造方法 | |
US10786786B2 (en) | Method for manufacturing membrane using selective layer prepared through support-free interfacial polymerization | |
KR102007624B1 (ko) | 분리막 | |
KR20110066683A (ko) | 폴리아마이드 역삼투 분리막의 제조방법 및 그에 의해 제조된 폴리아마이드 역삼투 분리막 | |
KR20200053549A (ko) | 복합 반투막 및 그의 제조 방법 | |
KR20170061662A (ko) | 복합 반투막 및 그 제조 방법, 및 스파이럴형 분리막 엘리먼트 | |
CN115646222A (zh) | 一种兼具高通量高截盐与耐污染性能的聚酰胺脱盐膜及其制备方法与应用 | |
KR20160118304A (ko) | 복합 반투막의 제조 방법 | |
JP5877855B2 (ja) | 有機単量体間の架橋を利用した多層薄膜基盤の逆浸透分離膜及びその製造方法 | |
KR20160119142A (ko) | 스파이럴형 분리막 엘리먼트 | |
KR101334924B1 (ko) | 폴리에스터계 역삼투 복합막 및 이의 제조방법 | |
KR101997137B1 (ko) | 붕소 제거능이 우수한 역삼투막 및 이의 제조방법 | |
CN111936427B (zh) | 硫酸根离子去除系统以及方法 | |
JP2012011293A (ja) | 複合分離膜の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20190710 |
|
PA0201 | Request for examination | ||
PA0302 | Request for accelerated examination |
Patent event date: 20190710 Patent event code: PA03022R01D Comment text: Request for Accelerated Examination |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20190718 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20190730 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20190730 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20220701 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20230628 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20240702 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20250630 Start annual number: 7 End annual number: 7 |