BE775987A - Procede de fabrication d'une membrane seche et semi-permeable d'acetatede cellulose - Google Patents

Procede de fabrication d'une membrane seche et semi-permeable d'acetatede cellulose

Info

Publication number
BE775987A
BE775987A BE775987A BE775987A BE775987A BE 775987 A BE775987 A BE 775987A BE 775987 A BE775987 A BE 775987A BE 775987 A BE775987 A BE 775987A BE 775987 A BE775987 A BE 775987A
Authority
BE
Belgium
Prior art keywords
semi
dry
manufacturing
cellulose acetate
permeable membrane
Prior art date
Application number
BE775987A
Other languages
English (en)
Inventor
W Kaiser
F Schwarzer
Original Assignee
Kalle Ag
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 Kalle Ag filed Critical Kalle Ag
Publication of BE775987A publication Critical patent/BE775987A/fr

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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0095—Drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BE775987A 1970-12-01 1971-11-29 Procede de fabrication d'une membrane seche et semi-permeable d'acetatede cellulose BE775987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059048 DE2059048A1 (de) 1970-12-01 1970-12-01 Verfahren zum Herstellen einer trockenen semipermeablen Celluloseacetat-Membran

Publications (1)

Publication Number Publication Date
BE775987A true BE775987A (fr) 1972-05-29

Family

ID=5789633

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775987A BE775987A (fr) 1970-12-01 1971-11-29 Procede de fabrication d'une membrane seche et semi-permeable d'acetatede cellulose

Country Status (14)

Country Link
US (1) US3773534A (fr)
BE (1) BE775987A (fr)
CA (1) CA974718A (fr)
CH (1) CH552636A (fr)
DE (1) DE2059048A1 (fr)
ES (1) ES397473A1 (fr)
FR (1) FR2117152A5 (fr)
GB (1) GB1315259A (fr)
IL (1) IL38247A (fr)
IT (1) IT945194B (fr)
LU (1) LU64361A1 (fr)
NL (1) NL7115981A (fr)
SE (1) SE375700B (fr)
ZA (1) ZA718021B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239545A (en) * 1978-08-10 1980-12-16 Toray Industries, Inc. Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same
JP2528169B2 (ja) * 1987-11-19 1996-08-28 帝人株式会社 多孔性成型物の製造方法
US5011637A (en) * 1989-01-23 1991-04-30 The Dow Chemical Company Preparing cellulose ester membranes for gas separation
US4980063A (en) * 1989-01-27 1990-12-25 The Dow Chemical Company Compositions useful for preparing cellulose ester membranes for liquid separations
EP0574699A2 (fr) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Membrane pour dialyse à base d'acétate de cellulose
DE4220441A1 (de) * 1992-06-23 1994-01-05 Gambro Dialysatoren Verfahren zum Trocknen poröser Ultrafilterfiltrationsmembranen
FR2815886B1 (fr) 2000-10-30 2002-12-06 Hospal Ind Faisceau de fibres creuses pour un appareil pour le traitement extracorporel du sang et du plasma et son procede de fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133137A (en) * 1960-11-29 1964-05-12 Univ California High flow porous membranes for separating water from saline solutions
US3544358A (en) * 1966-07-18 1970-12-01 Universal Water Corp Production of semipermeable membranes directly on the surfaces of permeable support bodies
US3567809A (en) * 1966-10-07 1971-03-02 Fuji Photo Film Co Ltd Method of varying the pore diameters of fine pores in cellulose acetate film
US3592672A (en) * 1969-12-22 1971-07-13 Eastman Kodak Co Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation

Also Published As

Publication number Publication date
US3773534A (en) 1973-11-20
IL38247A (en) 1974-06-30
SE375700B (fr) 1975-04-28
DE2059048A1 (de) 1972-06-15
GB1315259A (en) 1973-05-02
ZA718021B (en) 1972-08-30
FR2117152A5 (fr) 1972-07-21
ES397473A1 (es) 1975-03-01
IT945194B (it) 1973-05-10
IL38247A0 (en) 1972-01-27
LU64361A1 (fr) 1973-06-21
CA974718A (en) 1975-09-23
NL7115981A (fr) 1972-06-05
CH552636A (de) 1974-08-15

Similar Documents

Publication Publication Date Title
BE808034A (fr) Microcapsules de l'ordre de grandeur du manometre et procede de fabrication
BR7203235D0 (pt) Processo de fabricacao de membranas anisotropas de poliarileter-sulfonada membranas assim obtidas e sua utilizacao
BE797145A (fr) Feuilles continues fibreuses absorbantes et procede de fabrication
IT978776B (it) Diaframma poroso suoi impieghi e metodo di sua preparazione
SE383108B (sv) Dynamiskt filter
NO144223C (no) Fremgangsmaate til fremstilling av strekkbart papir
FI51758C (fi) Menetelmä läpäisemättömien vaippaliinojen valmistamiseksi.
BE750055A (fr) Tri-montanate de glycerol et procede de fabrication
BE747644A (fr) Production de matieres poreuses impregnees de metaux
BE798485A (fr) Production d'esters
BE775987A (fr) Procede de fabrication d'une membrane seche et semi-permeable d'acetatede cellulose
FI54718C (fi) Anordning foer utmatning av cellulosamassa ur en kokare
IT981798B (it) Fotomaschera e procedimento per la sua fabbricazione
BE788516A (fr) Procede de fabrication d'esters alcoxyacetylacetiques
PL196152A1 (pl) Sposob wytwarzania pochodnych kwasu heksen-4-karbaksylowego-1
SE7508896L (sv) Forfarande for framstellning av vincamin och andra indolalkaloider.
SE385433B (sv) Av tradar bestaende netbotten
BE809291A (fr) Procede de fabrication de composes halogenophenolsulfoniques et eventuellement d'halogenophenols
IT999848B (it) Elemento combustibile nucleare e metodo di produzione dello stesso
IT1017228B (it) Diaframma poroso e processo di sua fabbricazione
SU437310A3 (ru) Способ получения целлюлозы
IL41165A0 (en) The manufacture of cellulose acetate membranes for reverseosmosis
FI54943C (fi) Foerfarande foer framstaellning av pappersmassa med anvaendning av syre
BE808245A (fr) Procede de fabrication de vincamone et de vincanol
SE408805B (sv) Streptokinasframstellning varvid mediet bestar av majsstopsvatten en metaboliserbar kolkella och vatten