JP2021500232A - ろ過媒体 - Google Patents
ろ過媒体 Download PDFInfo
- Publication number
- JP2021500232A JP2021500232A JP2020523793A JP2020523793A JP2021500232A JP 2021500232 A JP2021500232 A JP 2021500232A JP 2020523793 A JP2020523793 A JP 2020523793A JP 2020523793 A JP2020523793 A JP 2020523793A JP 2021500232 A JP2021500232 A JP 2021500232A
- Authority
- JP
- Japan
- Prior art keywords
- scrim
- membrane
- fibers
- polymer
- filtration medium
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1692—Other shaped material, e.g. perforated or porous sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- 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
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
- B01D69/1071—Woven, non-woven or net mesh
-
- 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
- B01D71/36—Polytetrafluoroethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0421—Rendering the filter material hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0428—Rendering the filter material hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (3)
- 膜と、前記膜の表面に固定された保護スクリムとを備えるろ過媒体であって、前記膜は1ミクロン未満の直径を有する第一ポリマーの繊維を備え、前記スクリムは第二ポリマーの繊維を備え、前記第一ポリマーは90度より大きな接触角を有し、前記第二ポリマーは90度未満の接触角を有する、ろ過媒体。
- 前記第一ポリマーがポリテトラフルオロエチレンである、請求項1に記載のろ過媒体。
- 前記スクリムが10g/m2から50g/m2の面積重量を有する、請求項1又は2に記載のろ過媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1717759.3A GB2567879B (en) | 2017-10-28 | 2017-10-28 | Filter media |
GB1717759.3 | 2017-10-28 | ||
PCT/GB2018/052756 WO2019081882A1 (en) | 2017-10-28 | 2018-09-27 | FILTERING ENVIRONMENT |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021500232A true JP2021500232A (ja) | 2021-01-07 |
JP7049451B2 JP7049451B2 (ja) | 2022-04-06 |
Family
ID=60580007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020523793A Active JP7049451B2 (ja) | 2017-10-28 | 2018-09-27 | ろ過媒体 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20200316532A1 (ja) |
EP (1) | EP3700654B1 (ja) |
JP (1) | JP7049451B2 (ja) |
KR (1) | KR102485719B1 (ja) |
CN (1) | CN111182958B (ja) |
AU (1) | AU2018356924B2 (ja) |
GB (1) | GB2567879B (ja) |
SG (1) | SG11202002247VA (ja) |
WO (1) | WO2019081882A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018003481A1 (de) * | 2018-04-27 | 2019-10-31 | Sartorius Stedim Biotech Gmbh | Flächengebilde und Filterelement mit hydrophober Trennlage, Verfahren zu ihrer Herstellung und ihre Verwendung |
GB2611045A (en) * | 2021-09-23 | 2023-03-29 | Dyson Technology Ltd | A serviceable part for use in an electrical appliance |
GB2621880A (en) * | 2022-08-26 | 2024-02-28 | Dyson Technology Ltd | Filter Media |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002126423A (ja) * | 2000-08-14 | 2002-05-08 | Daikin Ind Ltd | エアフィルタ用部品、その梱包体及びその梱包方法 |
US20160082376A1 (en) * | 2014-09-19 | 2016-03-24 | Kyung-Ju Choi | Filter material comprising an expanded polytetrafluoroethylene containing layer and a natural fiber containing layer |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5507847A (en) * | 1994-07-29 | 1996-04-16 | W. L. Gore & Associates, Inc. | ULPA filter |
JP2002370020A (ja) * | 2001-06-13 | 2002-12-24 | Nitto Denko Corp | タービン用吸気フィルタ濾材およびその使用方法と製造方法 |
WO2008001426A1 (en) * | 2006-06-27 | 2008-01-03 | Toray Industries, Inc. | Polymer separation membrane and process for producing the same |
DE102009057760A1 (de) | 2009-12-10 | 2011-06-16 | A. Kayser Gmbh & Co. Kg Textile Filtermedien | Hybridnadelfilz |
KR20140074028A (ko) * | 2012-12-07 | 2014-06-17 | 도레이케미칼 주식회사 | 냉각 필터용 여재 및 이를 구비한 냉각 필터 |
JP2015000371A (ja) * | 2013-06-14 | 2015-01-05 | 日本バルカー工業株式会社 | 疎水性ptfe膜、サポート材付き疎水性ptfe膜、処理液の製造方法、膜分離活性汚泥法における活性汚泥およびろ過膜の選定方法、膜分離活性汚泥法におけるファウリングの抑制方法、ならびに、被処理液の処理方法 |
US10220353B2 (en) * | 2014-08-28 | 2019-03-05 | Bha Altair, Llc | Filter water management using hydrophilic material |
CN106268355B (zh) * | 2016-08-31 | 2019-05-21 | 浙江大学 | 一种不对称超亲/疏水双性聚合物膜及其制备方法 |
JP6673230B2 (ja) | 2017-01-12 | 2020-03-25 | ダイキン工業株式会社 | エアフィルタ濾材 |
-
2017
- 2017-10-28 GB GB1717759.3A patent/GB2567879B/en active Active
-
2018
- 2018-09-27 WO PCT/GB2018/052756 patent/WO2019081882A1/en active Application Filing
- 2018-09-27 SG SG11202002247VA patent/SG11202002247VA/en unknown
- 2018-09-27 AU AU2018356924A patent/AU2018356924B2/en not_active Expired - Fee Related
- 2018-09-27 KR KR1020207011850A patent/KR102485719B1/ko active IP Right Grant
- 2018-09-27 US US16/759,218 patent/US20200316532A1/en active Pending
- 2018-09-27 JP JP2020523793A patent/JP7049451B2/ja active Active
- 2018-09-27 EP EP18782152.5A patent/EP3700654B1/en active Active
- 2018-09-27 CN CN201880065343.2A patent/CN111182958B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002126423A (ja) * | 2000-08-14 | 2002-05-08 | Daikin Ind Ltd | エアフィルタ用部品、その梱包体及びその梱包方法 |
US20160082376A1 (en) * | 2014-09-19 | 2016-03-24 | Kyung-Ju Choi | Filter material comprising an expanded polytetrafluoroethylene containing layer and a natural fiber containing layer |
Non-Patent Citations (1)
Title |
---|
"繊維集合体のぬれ(その1)", 繊維工学, vol. 24, no. 7, JPN6021011391, 1971, pages 43 - 49, ISSN: 0004567628 * |
Also Published As
Publication number | Publication date |
---|---|
AU2018356924B2 (en) | 2020-12-17 |
KR102485719B1 (ko) | 2023-01-06 |
GB201717759D0 (en) | 2017-12-13 |
SG11202002247VA (en) | 2020-04-29 |
JP7049451B2 (ja) | 2022-04-06 |
KR20200057761A (ko) | 2020-05-26 |
EP3700654A1 (en) | 2020-09-02 |
CN111182958A (zh) | 2020-05-19 |
US20200316532A1 (en) | 2020-10-08 |
GB2567879A (en) | 2019-05-01 |
GB2567879B (en) | 2022-02-09 |
EP3700654B1 (en) | 2021-07-07 |
CN111182958B (zh) | 2022-01-25 |
AU2018356924A1 (en) | 2020-04-02 |
WO2019081882A1 (en) | 2019-05-02 |
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