FR2180478A1 - Water demineralsn - by ultra filtration followed by reverse osmosis - Google Patents

Water demineralsn - by ultra filtration followed by reverse osmosis

Info

Publication number
FR2180478A1
FR2180478A1 FR7213589A FR7213589A FR2180478A1 FR 2180478 A1 FR2180478 A1 FR 2180478A1 FR 7213589 A FR7213589 A FR 7213589A FR 7213589 A FR7213589 A FR 7213589A FR 2180478 A1 FR2180478 A1 FR 2180478A1
Authority
FR
France
Prior art keywords
water
reverse osmosis
ultra filtration
demineralsn
filtration followed
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.)
Granted
Application number
FR7213589A
Other languages
English (en)
French (fr)
Other versions
FR2180478B1 (it
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to FR7213589A priority Critical patent/FR2180478A1/fr
Publication of FR2180478A1 publication Critical patent/FR2180478A1/fr
Application granted granted Critical
Publication of FR2180478B1 publication Critical patent/FR2180478B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • B01D61/58Multistep processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • 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
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/145Ultrafiltration

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7213589A 1972-04-18 1972-04-18 Water demineralsn - by ultra filtration followed by reverse osmosis Granted FR2180478A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7213589A FR2180478A1 (en) 1972-04-18 1972-04-18 Water demineralsn - by ultra filtration followed by reverse osmosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213589A FR2180478A1 (en) 1972-04-18 1972-04-18 Water demineralsn - by ultra filtration followed by reverse osmosis

Publications (2)

Publication Number Publication Date
FR2180478A1 true FR2180478A1 (en) 1973-11-30
FR2180478B1 FR2180478B1 (it) 1974-07-26

Family

ID=9097052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213589A Granted FR2180478A1 (en) 1972-04-18 1972-04-18 Water demineralsn - by ultra filtration followed by reverse osmosis

Country Status (1)

Country Link
FR (1) FR2180478A1 (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000297A1 (en) * 1983-07-01 1985-01-31 Carl Schleicher & Schuell Gmbh & Co. Kg Process and device for the separation of substances by means of membranes
EP0520920A1 (fr) * 1991-06-26 1992-12-30 Societe De Traitements Hydrex S.N.C. Module de filtration, notamment pour le traitement des eaux
EP0530766A1 (en) * 1991-09-03 1993-03-10 Albemarle Corporation Bromide separation and concentration using nanofiltration
AT410314B (de) * 1998-02-18 2003-03-25 Sartorius Gmbh Verfahren und vorrichtung zur aufbereitung von organisch belasteten abwässern

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MEMBRANE PROCESSING OF CHEESE WHEY REACHES COMMERCIAL SCALE : FIGURE 4, FIGURE 9.) *
REVUE AMERICAINE : FOOD TECHNOLOGY, VOLUME 26, FEBRUARY 1972, N. 2, PAGES 30-35, HORTOW ET AL : *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000297A1 (en) * 1983-07-01 1985-01-31 Carl Schleicher & Schuell Gmbh & Co. Kg Process and device for the separation of substances by means of membranes
EP0520920A1 (fr) * 1991-06-26 1992-12-30 Societe De Traitements Hydrex S.N.C. Module de filtration, notamment pour le traitement des eaux
FR2679464A1 (fr) * 1991-06-26 1993-01-29 Hydrex Snc Traitements Module de filtration, notamment pour le traitement des eaux.
EP0530766A1 (en) * 1991-09-03 1993-03-10 Albemarle Corporation Bromide separation and concentration using nanofiltration
AT410314B (de) * 1998-02-18 2003-03-25 Sartorius Gmbh Verfahren und vorrichtung zur aufbereitung von organisch belasteten abwässern

Also Published As

Publication number Publication date
FR2180478B1 (it) 1974-07-26

Similar Documents

Publication Publication Date Title
ES394932A1 (es) Procedimiento para la preparacion de membranas semi-permea-bles.
GB1390418A (en) Reverse osmosis process using cross-linked aromatic polyamide membranes
GB1270172A (en) Permselective membrane and method of making such membrane
GB1400775A (en) Reverse-osmosis apparatus
ES417081A1 (es) Procedimiento de tratamiento de peliculas de espesor com- prendido entre 10 y 50 u.
GB1488300A (en) Asymmetric semipermeable membranes of poly(cyclic ureas)
FR2180478A1 (en) Water demineralsn - by ultra filtration followed by reverse osmosis
Frank Desalination of sea water
ES8402237A1 (es) Mejoras introducidas en el procedimiento de reduccion de la salinidad del agua de mar.
EG10806A (en) Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes
FR2239699A1 (en) Desalination and concn. of silver halide emulsion - via polymeric membrane and deionised water plus ultrafiltration
FR2189091A1 (en) Compact exchange device for elements - contained in one of two fluids
FR2202655A1 (en) Fruit juice concentrate prodn. - by blending concentrates from successive stages of ultrafiltration and inverse osmosis
ES404718A1 (es) Procedimiento de produccion de un modulo para osmosis in- versa.
FR2202651A1 (en) Coffee concentrate prodn. - by blending concentrates from successive stages of ultrafiltration and inverse osmosis
IT1030867B (it) Membrane semipermeabili per frazionare miscele fluide
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
GB1324031A (en) Method and apparatus for the concentration of solutions
FR2180446A1 (en) Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean
FR2050700A5 (en) Reverse osmosis membrane support
ZA74296B (en) Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes
FR2043918A5 (en) Artificial kidney machines using controlled - porosity membranes
GB1412252A (en) Membranous articles and methods for their manufacture
FR2236539A1 (en) Biological polymeric membrane prepn. - by depolymerising elastin and then, copolymerising the peptides with gelatin, collagen etc.
Leitner Reverse osmosis for waste-water treatment: what? when?

Legal Events

Date Code Title Description
ST Notification of lapse