FI913158A0 - Ultrafiltreringsfoerfarande. - Google Patents

Ultrafiltreringsfoerfarande.

Info

Publication number
FI913158A0
FI913158A0 FI913158A FI913158A FI913158A0 FI 913158 A0 FI913158 A0 FI 913158A0 FI 913158 A FI913158 A FI 913158A FI 913158 A FI913158 A FI 913158A FI 913158 A0 FI913158 A0 FI 913158A0
Authority
FI
Finland
Prior art keywords
ultrafiltreringsfoerfarande
Prior art date
Application number
FI913158A
Other languages
English (en)
Other versions
FI913158A (fi
FI105323B (fi
Inventor
James L Filson
Ramesh R Bhave
James R Morgart
James M Graaskamp
Original Assignee
Alcoa Separations Tech
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 Alcoa Separations Tech filed Critical Alcoa Separations Tech
Publication of FI913158A0 publication Critical patent/FI913158A0/fi
Publication of FI913158A publication Critical patent/FI913158A/fi
Application granted granted Critical
Publication of FI105323B publication Critical patent/FI105323B/fi

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/022—Filtration
    • 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
    • B01D69/02—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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • 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
    • B01D2321/162—Use of acids
    • 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
    • B01D2321/164—Use of bases
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/90—Ultra pure water, e.g. conductivity water
FI913158A 1990-07-03 1991-06-28 Ultrasuodatusmenetelmä FI105323B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/547,488 US5104546A (en) 1990-07-03 1990-07-03 Pyrogens separations by ceramic ultrafiltration
US54748890 1990-07-03

Publications (3)

Publication Number Publication Date
FI913158A0 true FI913158A0 (fi) 1991-06-28
FI913158A FI913158A (fi) 1992-01-04
FI105323B FI105323B (fi) 2000-07-31

Family

ID=24184849

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913158A FI105323B (fi) 1990-07-03 1991-06-28 Ultrasuodatusmenetelmä

Country Status (6)

Country Link
US (1) US5104546A (fi)
EP (1) EP0467735B1 (fi)
JP (1) JP3356444B2 (fi)
CA (1) CA2045923C (fi)
DE (1) DE69117372T2 (fi)
FI (1) FI105323B (fi)

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Also Published As

Publication number Publication date
DE69117372T2 (de) 1996-08-01
FI913158A (fi) 1992-01-04
JP3356444B2 (ja) 2002-12-16
FI105323B (fi) 2000-07-31
JPH04250827A (ja) 1992-09-07
EP0467735A1 (en) 1992-01-22
US5104546A (en) 1992-04-14
CA2045923A1 (en) 1992-01-04
CA2045923C (en) 2000-07-11
EP0467735B1 (en) 1996-02-28
DE69117372D1 (de) 1996-04-04

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Owner name: USFILTER CORPORATION

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PC Transfer of assignment of patent

Owner name: SIEMENS WATER TECHNOLOGIES HOLDING CORP.

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MA Patent expired