IT1012016B - Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo - Google Patents

Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo

Info

Publication number
IT1012016B
IT1012016B IT27424/71A IT2742471A IT1012016B IT 1012016 B IT1012016 B IT 1012016B IT 27424/71 A IT27424/71 A IT 27424/71A IT 2742471 A IT2742471 A IT 2742471A IT 1012016 B IT1012016 B IT 1012016B
Authority
IT
Italy
Prior art keywords
hyperfiltering
brackish
desalination
preparation
membranes according
Prior art date
Application number
IT27424/71A
Other languages
English (en)
Italian (it)
Original Assignee
Consiglio Nazionale Ricerche
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 BE787345D priority Critical patent/BE787345A/fr
Application filed by Consiglio Nazionale Ricerche filed Critical Consiglio Nazionale Ricerche
Priority to IT27424/71A priority patent/IT1012016B/it
Priority to NL7210933A priority patent/NL7210933A/xx
Priority to ES405734A priority patent/ES405734A1/es
Priority to JP47080068A priority patent/JPS4831183A/ja
Priority to DE2239604A priority patent/DE2239604A1/de
Priority to FR7229092A priority patent/FR2148624A1/fr
Application granted granted Critical
Publication of IT1012016B publication Critical patent/IT1012016B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14Dynamic membranes
    • B01D69/141Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/1411Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • 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
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT27424/71A 1971-08-11 1971-08-11 Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo IT1012016B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE787345D BE787345A (fr) 1971-08-11 Methode de preparation de membranes hyperfiltrantes, en particulier pour le decelement des eaux saumatres et de mer, et membranes realisees par l'application de cette methode
IT27424/71A IT1012016B (it) 1971-08-11 1971-08-11 Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo
NL7210933A NL7210933A (fr) 1971-08-11 1972-08-10
ES405734A ES405734A1 (es) 1971-08-11 1972-08-10 Procedimiento para la produccion de membranas semipermea- bles.
JP47080068A JPS4831183A (fr) 1971-08-11 1972-08-11
DE2239604A DE2239604A1 (de) 1971-08-11 1972-08-11 Membran zur durchfuehrung der hyperfiltration, insbesondere zur entsalzung von brackwasser und meerwasser, und verfahren zu ihrer herstellung
FR7229092A FR2148624A1 (en) 1971-08-11 1972-08-11 Semipermeable membrane - consisting of two layers of polymer material with different retention rates for dissolved solids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27424/71A IT1012016B (it) 1971-08-11 1971-08-11 Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo

Publications (1)

Publication Number Publication Date
IT1012016B true IT1012016B (it) 1977-03-10

Family

ID=11221612

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27424/71A IT1012016B (it) 1971-08-11 1971-08-11 Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo

Country Status (7)

Country Link
JP (1) JPS4831183A (fr)
BE (1) BE787345A (fr)
DE (1) DE2239604A1 (fr)
ES (1) ES405734A1 (fr)
FR (1) FR2148624A1 (fr)
IT (1) IT1012016B (fr)
NL (1) NL7210933A (fr)

Also Published As

Publication number Publication date
BE787345A (fr) 1973-02-09
ES405734A1 (es) 1975-09-16
FR2148624A1 (en) 1973-03-23
JPS4831183A (fr) 1973-04-24
DE2239604A1 (de) 1973-02-22
NL7210933A (fr) 1973-02-13

Similar Documents

Publication Publication Date Title
IT1048308B (it) Procedimento per la produzione di membrane semipermeabili utili in particolare per ultrafiltrazione osmosi inversa e simili e prodotoo ottenuto
IT987281B (it) Apparecchio per la coltura di cel lule su membrane semipermeabili tubolari
IT1019215B (it) Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione
IT998676B (it) Membrane per purificazione di acqua e metodo di preparazione
AR228876A1 (es) Membranas compuestas semipermeables con propositos de ultrafiltracion y osmosis invertida y procedimiento para su manufactura
CA921406A (en) Separation of fluids by diffusion through semipermeable membranes
IT994997B (it) Membrane semipermeabili
BE746629A (fr) Procede pour la formation de membranes semi-permeables pour dessalementd'eaux saumatres et marines, par hyperfiltration, et membranes produites par le susdit procede
IL43201A0 (en) Reverse osmosis membrane and its preparation
CA940676A (en) Pressure casting of tubular reverse osmosis membranes
EG10806A (en) Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes
IT1012016B (it) Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo
IT988536B (it) Procedimento di stabilizzazione di membrane semipermeabili per dissalare acqua salina
CH527630A (de) Heterogene semipermeable Kunststoffmembran zur Trennung von Flüssigkeits- oder Gasgemischen
IT1047642B (it) Membrane poliacrilammidi metilolate o di poliacpilammide sostituita metilolata utili in particolare per tecniche di osmosi ultrafiltrazione dialisi e simili e relativo procedimento di produzione
IT1164914B (it) Procedimento per la produzione di membrane semipermeabili da impiegare in operazioni di osmosi inversa e prodotto ottenuto
IT1047641B (it) Membrane di poltacrilammide reti colata o di poliacrilammide sostitutta reticolata utili in particolare per techniche di frazionamento come osmosi ultrafiltrazione e simili e relativo procedimento di produzione
IL41983A0 (en) Improvements in or relating to membranes for reverse osmosis
IT1030867B (it) Membrane semipermeabili per frazionare miscele fluide
FR2413108A1 (fr) Procede pour la fabrication de membranes semi-permeables
SU451634A1 (ru) Способ обессоливани воды электродиализом
IT964604B (it) Procedimento per la dissalazio ne di acque salmastre mediante elettrodialisi
IT948706B (it) Membrane microporose semipermeabili o permselettive e procedimento per la loro produzione
IE38419L (en) Apparatus for reverse osmosis
CA980076A (en) Method of improving the salt rejection of semipermeable reverse osmosis membranes