AT333318T - Method for cleaning of membranes - Google Patents

Method for cleaning of membranes

Info

Publication number
AT333318T
AT333318T AT02257855T AT02257855T AT333318T AT 333318 T AT333318 T AT 333318T AT 02257855 T AT02257855 T AT 02257855T AT 02257855 T AT02257855 T AT 02257855T AT 333318 T AT333318 T AT 333318T
Authority
AT
Austria
Prior art keywords
membranes
cleaning
method
Prior art date
Application number
AT02257855T
Other languages
German (de)
Inventor
Paul Martin Gallagher
Aaron J Balczewski
Tom Rainier
Daniel A Cargnel
Original Assignee
Us Filter Wastewater Group Inc
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
Priority to US33382801P priority Critical
Application filed by Us Filter Wastewater Group Inc filed Critical Us Filter Wastewater Group Inc
Publication of AT333318T publication Critical patent/AT333318T/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02Membrane cleaning or sterilisation ; Membrane regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/145Ultrafiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/147Microfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/16Feed pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/04Specific process operations in the feed stream; Feed pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04Backflushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/168Use of other chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/10Relating to general water supply, e.g. municipal or domestic water supply
    • Y02A20/124Water desalination
    • Y02A20/126Water desalination characterized by the method
    • Y02A20/131Reverse-osmosis
AT02257855T 2001-11-16 2002-11-14 Method for cleaning of membranes AT333318T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US33382801P true 2001-11-16 2001-11-16

Publications (1)

Publication Number Publication Date
AT333318T true AT333318T (en) 2006-08-15

Family

ID=23304416

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02257855T AT333318T (en) 2001-11-16 2002-11-14 Method for cleaning of membranes

Country Status (4)

Country Link
US (4) US6955762B2 (en)
EP (1) EP1312408B1 (en)
AT (1) AT333318T (en)
DE (1) DE60213184T2 (en)

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EP1312408B1 (en) 2006-07-19
DE60213184T2 (en) 2007-06-28
EP1312408A3 (en) 2003-08-06
US6955762B2 (en) 2005-10-18
DE60213184D1 (en) 2006-08-31
US20080237125A1 (en) 2008-10-02
EP1312408A2 (en) 2003-05-21
US20050224411A1 (en) 2005-10-13
US20050218073A1 (en) 2005-10-06
US20040000520A1 (en) 2004-01-01

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