GB2001899B - Hollow fibre membranes for ultrafiltration and method for producing same - Google Patents

Hollow fibre membranes for ultrafiltration and method for producing same

Info

Publication number
GB2001899B
GB2001899B GB7827035A GB7827035A GB2001899B GB 2001899 B GB2001899 B GB 2001899B GB 7827035 A GB7827035 A GB 7827035A GB 7827035 A GB7827035 A GB 7827035A GB 2001899 B GB2001899 B GB 2001899B
Authority
GB
United Kingdom
Prior art keywords
ultrafiltration
producing same
hollow fibre
fibre membranes
membranes
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
Application number
GB7827035A
Other versions
GB2001899A (en
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of GB2001899A publication Critical patent/GB2001899A/en
Application granted granted Critical
Publication of GB2001899B publication Critical patent/GB2001899B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • 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
    • B01D61/145—Ultrafiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
GB7827035A 1977-06-20 1978-06-15 Hollow fibre membranes for ultrafiltration and method for producing same Expired GB2001899B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7212377A JPS546916A (en) 1977-06-20 1977-06-20 Hollow cellulose fibers and their production

Publications (2)

Publication Number Publication Date
GB2001899A GB2001899A (en) 1979-02-14
GB2001899B true GB2001899B (en) 1982-01-27

Family

ID=13480237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7827035A Expired GB2001899B (en) 1977-06-20 1978-06-15 Hollow fibre membranes for ultrafiltration and method for producing same

Country Status (4)

Country Link
JP (1) JPS546916A (en)
DE (1) DE2827012B2 (en)
FR (1) FR2395060A1 (en)
GB (1) GB2001899B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562214A (en) * 1978-11-02 1980-05-10 Toyobo Co Ltd Production of hollow fiber membrane
DE3006880C2 (en) * 1980-02-23 1986-10-09 Akzo Gmbh, 5600 Wuppertal Plasmaphoresis membrane
JPS5742918A (en) * 1980-08-29 1982-03-10 Mitsubishi Rayon Co Ltd Hollow cellulosic derivative fiber
DE3276853D1 (en) * 1981-05-19 1987-09-03 Teijin Ltd Porous membrane
JPS5829880A (en) * 1981-08-13 1983-02-22 Matsushita Electric Ind Co Ltd Electric field luminescent element
SE8204103L (en) * 1982-07-02 1984-01-03 Gambro Lundia Ab FILTRATION MEMBRANE AND SET TO MAKE THE MEMBRANE
JPS5970689A (en) * 1982-10-14 1984-04-21 Fujisawa Pharmaceut Co Ltd Method for concentrating aqueous solution of beta-lactam antibiotic substance
JPH0653164B2 (en) * 1986-06-10 1994-07-20 東洋紡績株式会社 Cellulose ester type hollow fiber plasma separation membrane
US20200376444A1 (en) * 2018-02-19 2020-12-03 Bayer Heal Thcare Llc Modified Filter Membrane and Method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724672A (en) * 1970-07-27 1973-04-03 R Leonard Asymmetric hollow fiber membranes and method of fabrication
DE2338786A1 (en) * 1972-08-01 1974-02-14 Monsanto Co HOLLOW FIBERS FOR LOW PRESSURE DESALINATION OF HARD WATER
FR2199014B1 (en) * 1972-09-12 1975-03-14 Rhone Poulenc Ind
DE2257697C3 (en) * 1972-11-21 1978-09-28 Asahi Kasei Kogyo K.K., Osaka (Japan) Cellulose acetate symmetry porous membrane filter and process for its manufacture
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
JPS6029282B2 (en) * 1976-09-03 1985-07-10 旭化成株式会社 Semipermeable membrane and its manufacturing method
DE2657697C2 (en) * 1976-12-20 1985-07-25 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Slide projector with a slide changing device

Also Published As

Publication number Publication date
FR2395060A1 (en) 1979-01-19
GB2001899A (en) 1979-02-14
DE2827012C3 (en) 1987-12-03
FR2395060B1 (en) 1982-09-10
JPS546916A (en) 1979-01-19
DE2827012A1 (en) 1978-12-21
DE2827012B2 (en) 1981-04-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee