DE69016491D1 - Verfahren zur Herstellung einer mikroporösen Membran und eine solche Membran. - Google Patents

Verfahren zur Herstellung einer mikroporösen Membran und eine solche Membran.

Info

Publication number
DE69016491D1
DE69016491D1 DE69016491T DE69016491T DE69016491D1 DE 69016491 D1 DE69016491 D1 DE 69016491D1 DE 69016491 T DE69016491 T DE 69016491T DE 69016491 T DE69016491 T DE 69016491T DE 69016491 D1 DE69016491 D1 DE 69016491D1
Authority
DE
Germany
Prior art keywords
membrane
hydrophilic polymer
leaching
mixture
coagulation bath
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.)
Expired - Lifetime
Application number
DE69016491T
Other languages
English (en)
Other versions
DE69016491T2 (de
Inventor
Hendrik Dirk Willem Roesink
Marcellinus Hendrikus V Mulder
Cornelis Antonius Smolders
Dirk Marinus Koenhen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
X Flow BV
Original Assignee
X Flow BV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19854581&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69016491(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by X Flow BV filed Critical X Flow BV
Application granted granted Critical
Publication of DE69016491D1 publication Critical patent/DE69016491D1/de
Publication of DE69016491T2 publication Critical patent/DE69016491T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/04—Hydrophobization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
DE69016491T 1989-04-28 1990-04-10 Verfahren zur Herstellung einer mikroporösen Membran und eine solche Membran. Expired - Lifetime DE69016491T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8901090A NL8901090A (nl) 1989-04-28 1989-04-28 Werkwijze voor het vervaardigen van een microporeus membraan en een dergelijk membraan.

Publications (2)

Publication Number Publication Date
DE69016491D1 true DE69016491D1 (de) 1995-03-16
DE69016491T2 DE69016491T2 (de) 1995-08-24

Family

ID=19854581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016491T Expired - Lifetime DE69016491T2 (de) 1989-04-28 1990-04-10 Verfahren zur Herstellung einer mikroporösen Membran und eine solche Membran.

Country Status (11)

Country Link
US (1) US5076925A (de)
EP (1) EP0395133B1 (de)
JP (1) JP3196029B2 (de)
AT (1) ATE117912T1 (de)
CA (1) CA2015413C (de)
DE (1) DE69016491T2 (de)
DK (1) DK0395133T3 (de)
ES (1) ES2070263T3 (de)
GR (1) GR3015885T3 (de)
HK (1) HK1007697A1 (de)
NL (1) NL8901090A (de)

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US8758621B2 (en) 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
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Also Published As

Publication number Publication date
DE69016491T2 (de) 1995-08-24
CA2015413A1 (en) 1990-10-28
EP0395133A1 (de) 1990-10-31
JPH02302449A (ja) 1990-12-14
DK0395133T3 (da) 1995-07-10
US5076925A (en) 1991-12-31
CA2015413C (en) 1997-02-25
EP0395133B1 (de) 1995-02-01
ATE117912T1 (de) 1995-02-15
JP3196029B2 (ja) 2001-08-06
NL8901090A (nl) 1990-11-16
GR3015885T3 (en) 1995-07-31
HK1007697A1 (en) 1999-04-23
ES2070263T3 (es) 1995-06-01

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