ATE490018T1 - Verfahren zum reinigen und reinhalten einer membranfläche bei filtration - Google Patents

Verfahren zum reinigen und reinhalten einer membranfläche bei filtration

Info

Publication number
ATE490018T1
ATE490018T1 AT03813834T AT03813834T ATE490018T1 AT E490018 T1 ATE490018 T1 AT E490018T1 AT 03813834 T AT03813834 T AT 03813834T AT 03813834 T AT03813834 T AT 03813834T AT E490018 T1 ATE490018 T1 AT E490018T1
Authority
AT
Austria
Prior art keywords
pulses
membrane
membrane surface
cleaning
seconds
Prior art date
Application number
AT03813834T
Other languages
English (en)
Inventor
Pravin Murkute
P Tvaruzek
Original Assignee
Hydranautics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hydranautics filed Critical Hydranautics
Application granted granted Critical
Publication of ATE490018T1 publication Critical patent/ATE490018T1/de

Links

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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
    • 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
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/06—Submerged-type; Immersion type
    • 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
    • B01D2321/20—By influencing the flow
    • B01D2321/2066—Pulsated flow
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
AT03813834T 2002-12-19 2003-12-18 Verfahren zum reinigen und reinhalten einer membranfläche bei filtration ATE490018T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43557302P 2002-12-19 2002-12-19
PCT/US2003/040950 WO2004056458A2 (en) 2002-12-19 2003-12-18 Methods for cleaning and maintaining membrane surface during filtration

Publications (1)

Publication Number Publication Date
ATE490018T1 true ATE490018T1 (de) 2010-12-15

Family

ID=32682263

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03813834T ATE490018T1 (de) 2002-12-19 2003-12-18 Verfahren zum reinigen und reinhalten einer membranfläche bei filtration

Country Status (8)

Country Link
US (1) US7531042B2 (de)
EP (1) EP1585590B1 (de)
CN (1) CN1761516A (de)
AT (1) ATE490018T1 (de)
AU (1) AU2003297476A1 (de)
DE (1) DE60335214D1 (de)
ES (1) ES2358668T3 (de)
WO (1) WO2004056458A2 (de)

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CN102112213B (zh) 2008-07-24 2016-08-03 伊沃夸水处理技术有限责任公司 用于膜过滤模块的框架***
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
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CA2850522C (en) 2011-09-30 2021-03-16 Evoqua Water Technologies Llc Shut-off valve for isolation of hollow fiber membrane filtration module
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US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
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US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
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CN105274776B (zh) * 2014-07-08 2019-03-08 青岛海尔智能技术研发有限公司 洗衣机及对洗衣机的过滤组件进行杀菌的控制方法
CN104162367B (zh) * 2014-09-03 2016-03-02 昆明滇池水务股份有限公司 一种高效节水、节药膜组器的清洗方法及装置
WO2016178211A1 (en) * 2015-05-01 2016-11-10 Dead Sea Works Ltd. System, device and method for the removal of fouling precipitates from filtration membranes
JPWO2016178378A1 (ja) * 2015-05-07 2018-02-22 住友電気工業株式会社 濾過装置の運転方法及び濾過装置
EP3322511B1 (de) 2015-07-14 2022-09-07 Rohm & Haas Electronic Materials Singapore Pte. Ltd Belüftungsvorrichtung für filtrationssystem
WO2017163246A1 (en) 2016-03-22 2017-09-28 Dead Sea Works Ltd. Spherical fertilizers and process for the production thereof
US10988419B2 (en) 2016-10-22 2021-04-27 Dead Sea Works Ltd. Binders for the granulation of fertilizers
WO2018109773A1 (en) 2016-12-17 2018-06-21 Dead Sea Works Ltd. A process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate
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Also Published As

Publication number Publication date
WO2004056458A3 (en) 2005-03-03
DE60335214D1 (de) 2011-01-13
US20040139992A1 (en) 2004-07-22
WO2004056458A2 (en) 2004-07-08
EP1585590B1 (de) 2010-12-01
EP1585590A2 (de) 2005-10-19
CN1761516A (zh) 2006-04-19
AU2003297476A1 (en) 2004-07-14
ES2358668T3 (es) 2011-05-12
US7531042B2 (en) 2009-05-12

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