JP4920990B2 - 分離膜の洗浄方法 - Google Patents
分離膜の洗浄方法 Download PDFInfo
- Publication number
- JP4920990B2 JP4920990B2 JP2006043570A JP2006043570A JP4920990B2 JP 4920990 B2 JP4920990 B2 JP 4920990B2 JP 2006043570 A JP2006043570 A JP 2006043570A JP 2006043570 A JP2006043570 A JP 2006043570A JP 4920990 B2 JP4920990 B2 JP 4920990B2
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- membrane
- water
- biological treatment
- tank
- sludge
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims description 92
- 238000000926 separation method Methods 0.000 title claims description 43
- 238000004140 cleaning Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 239000010802 sludge Substances 0.000 claims description 43
- 239000000126 substance Substances 0.000 claims description 41
- 238000011001 backwashing Methods 0.000 claims description 15
- 239000002351 wastewater Substances 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920005597 polymer membrane Polymers 0.000 claims description 3
- 244000005700 microbiome Species 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 238000005374 membrane filtration Methods 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000009295 crossflow filtration Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012388 gravitational sedimentation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Description
好ましい実施形態においては、生物処理槽は活性汚泥処理を行う曝気槽である。また分離膜は、高分子膜またはセラミック膜とすることができる。なお、膜モジュールとは膜が内部に装入された容器を意味する。
図1において、1は下水などの排水を処理する生物処理槽である。生物処理法としては活性汚泥法のほか、硝化液循環法、AO法(嫌気-好気法)、A2O法(嫌気-無酸素-好気法)、硝化+内生脱窒法などを挙げることができるが、この実施形態では生物処理槽1は活性汚泥法のための曝気槽であり、図示を略した適宜の装置により槽内水の曝気が行われている。
2 分離膜
3 循環ポンプ
4 処理水槽
5 循環経路
7 気体供給手段
8 薬液槽
9 薬品洗浄ポンプ
10 逆洗ポンプ
11 バルブ
12 逆洗排水弁
13 逆洗排水槽
14 逆洗排水経路
15 ポンプ
16 排泥ライン
17 ろ過ポンプ
Claims (3)
- 生物処理槽と循環経路で接続され、槽内水を循環ろ過する槽外設置型の分離膜の洗浄方法であって、通常の水逆洗の場合には、膜面から剥離された汚泥を含む逆洗排水の全部または一部を、逆洗排水経路または循環経路を介して生物処理槽に返送し、薬品洗浄の場合には、まず水逆洗により膜面から汚泥を剥離させて膜モジュール外に排泥し、続いて薬品洗浄を行うことを特徴とする分離膜の洗浄方法。
- 生物処理槽が活性汚泥処理を行う曝気槽であることを特徴とする請求項1記載の分離膜の洗浄方法。
- 分離膜が高分子膜またはセラミック膜であることを特徴とする請求項1記載の分離膜の洗浄方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006043570A JP4920990B2 (ja) | 2005-03-24 | 2006-02-21 | 分離膜の洗浄方法 |
US11/375,848 US7276171B2 (en) | 2005-03-24 | 2006-03-15 | Method for cleaning separation membrane |
EP20060111652 EP1704911B1 (en) | 2005-03-24 | 2006-03-23 | Method for cleaning a separation membrane in a membrane bioreactor system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005085580 | 2005-03-24 | ||
JP2005085580 | 2005-03-24 | ||
JP2006043570A JP4920990B2 (ja) | 2005-03-24 | 2006-02-21 | 分離膜の洗浄方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006297376A JP2006297376A (ja) | 2006-11-02 |
JP4920990B2 true JP4920990B2 (ja) | 2012-04-18 |
Family
ID=36567428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006043570A Active JP4920990B2 (ja) | 2005-03-24 | 2006-02-21 | 分離膜の洗浄方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7276171B2 (ja) |
EP (1) | EP1704911B1 (ja) |
JP (1) | JP4920990B2 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8852438B2 (en) * | 1995-08-11 | 2014-10-07 | Zenon Technology Partnership | Membrane filtration module with adjustable header spacing |
NL1031926C2 (nl) * | 2006-05-31 | 2007-12-03 | X Flow Bv | Inrichting met een bioreactor en membraanfiltratiemodule voor het behandelen van een inkomend fluïdum. |
US20080179244A1 (en) * | 2007-01-26 | 2008-07-31 | Parkson Corporation | Drain-flush sequence and system for filter module |
EP2230210B1 (en) | 2008-01-15 | 2016-06-15 | Metawater Co., Ltd. | Membrane-separation active sludge system to be located outside tank |
JP5512978B2 (ja) * | 2008-03-14 | 2014-06-04 | 東洋エンジニアリング株式会社 | 排水の処理方法および排水処理装置 |
CN101274810B (zh) * | 2008-05-20 | 2013-10-16 | 北京汉青天朗水处理科技有限公司 | 一种污水处理装置 |
JP2013530032A (ja) * | 2010-05-12 | 2013-07-25 | ハイドラシスト アイピー ピーティワイ エルティディ | 水処理装置と水処理方法 |
CZ305501B6 (cs) * | 2010-08-24 | 2015-11-04 | Vysoká škola chemicko-technologická v Praze, Ústav chemie a technologie sacharidů | Zařízení na zpětný proplach separačních membrán v membránovém modulu |
CN102139186B (zh) * | 2010-12-05 | 2013-07-31 | 中山市三角镇环保科技创新中心 | 膜生物反应器的超声波清洗装置 |
JP5714419B2 (ja) * | 2011-06-14 | 2015-05-07 | オルガノ株式会社 | 長繊維ろ過装置の逆洗方法および長繊維ろ過装置の逆洗装置 |
US9403108B2 (en) * | 2012-01-12 | 2016-08-02 | Global Splash, Inc. | Filtration operator |
WO2014061990A1 (ko) * | 2012-10-16 | 2014-04-24 | 주식회사 엔바이로솔루션 | 맥동가압식 아우트-인 타입 샌드위치 세라믹 멤브레인 및 그 시스템 |
CN103894064B (zh) * | 2012-12-24 | 2016-01-20 | 上海安赐机械设备有限公司 | 应用于生啤酒澄清、过滤的无机陶瓷膜装置及方法 |
KR101958646B1 (ko) * | 2013-12-11 | 2019-03-15 | 코오롱인더스트리 주식회사 | 침지식 여과 장치 |
CN105813720B (zh) * | 2013-12-11 | 2018-02-13 | 可隆工业株式会社 | 浸渍式过滤装置 |
JP2015186775A (ja) * | 2014-03-26 | 2015-10-29 | 株式会社ウェルシィ | 水処理システム及び水処理方法 |
JP6264698B2 (ja) * | 2015-12-11 | 2018-01-24 | 三菱重工環境・化学エンジニアリング株式会社 | 生物処理装置 |
CN107226522A (zh) * | 2017-07-20 | 2017-10-03 | 金科水务工程(北京)有限公司 | 一种分体式气提膜反应器处理装置 |
WO2019075593A1 (zh) * | 2017-10-16 | 2019-04-25 | 施尽忠 | 基于实时吸附处理的膜组件清洗装置 |
CN112551801B (zh) * | 2020-11-01 | 2023-03-24 | 湖南强宇环保科技有限公司 | 基于组合高级氧化技术的养殖废水处理方法及*** |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0231893A (ja) * | 1988-07-21 | 1990-02-01 | Kubota Ltd | 廃水処理方法 |
JP3395274B2 (ja) * | 1993-08-27 | 2003-04-07 | 栗田工業株式会社 | 膜分離装置 |
JPH0839064A (ja) * | 1994-07-27 | 1996-02-13 | Unitika Ltd | 膜利用型浄水処理方法 |
JPH09136021A (ja) | 1995-11-14 | 1997-05-27 | Sumitomo Heavy Ind Ltd | 膜分離装置の膜ろ過方法及び洗浄方法 |
WO2000030742A1 (en) | 1998-11-23 | 2000-06-02 | Zenon Environmental Inc. | Water filtration using immersed membranes |
US20040188361A1 (en) * | 2001-10-18 | 2004-09-30 | Yosei Katsu | Dynamic filter module |
JP4268418B2 (ja) * | 2003-02-21 | 2009-05-27 | ヤンマー株式会社 | オキシデーションディッチ法を用いた水処理システム及び水処理方法 |
JP4179606B2 (ja) | 2003-06-09 | 2008-11-12 | 株式会社コーナン・メディカル | フォトレフラクター |
US7879229B2 (en) * | 2003-10-29 | 2011-02-01 | Zenon Technology Partnership | Water treatment plant with immersed membranes |
-
2006
- 2006-02-21 JP JP2006043570A patent/JP4920990B2/ja active Active
- 2006-03-15 US US11/375,848 patent/US7276171B2/en active Active
- 2006-03-23 EP EP20060111652 patent/EP1704911B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1704911B1 (en) | 2012-11-07 |
US7276171B2 (en) | 2007-10-02 |
US20060213833A1 (en) | 2006-09-28 |
JP2006297376A (ja) | 2006-11-02 |
EP1704911A1 (en) | 2006-09-27 |
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