FR2201110B1 - - Google Patents

Info

Publication number
FR2201110B1
FR2201110B1 FR7234359A FR7234359A FR2201110B1 FR 2201110 B1 FR2201110 B1 FR 2201110B1 FR 7234359 A FR7234359 A FR 7234359A FR 7234359 A FR7234359 A FR 7234359A FR 2201110 B1 FR2201110 B1 FR 2201110B1
Authority
FR
France
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
FR7234359A
Other versions
FR2201110A1 (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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries 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 Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7234359A priority Critical patent/FR2201110A1/fr
Publication of FR2201110A1 publication Critical patent/FR2201110A1/fr
Application granted granted Critical
Publication of FR2201110B1 publication Critical patent/FR2201110B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/128—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using batch processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7234359A 1972-09-28 1972-09-28 Ultra filtration of biological sludge - using a membrane of a copolymer of acrylonitrile and vinyl sulphonic acid treated with hot water Granted FR2201110A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7234359A FR2201110A1 (en) 1972-09-28 1972-09-28 Ultra filtration of biological sludge - using a membrane of a copolymer of acrylonitrile and vinyl sulphonic acid treated with hot water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7234359A FR2201110A1 (en) 1972-09-28 1972-09-28 Ultra filtration of biological sludge - using a membrane of a copolymer of acrylonitrile and vinyl sulphonic acid treated with hot water

Publications (2)

Publication Number Publication Date
FR2201110A1 FR2201110A1 (en) 1974-04-26
FR2201110B1 true FR2201110B1 (fr) 1975-06-20

Family

ID=9104905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7234359A Granted FR2201110A1 (en) 1972-09-28 1972-09-28 Ultra filtration of biological sludge - using a membrane of a copolymer of acrylonitrile and vinyl sulphonic acid treated with hot water

Country Status (1)

Country Link
FR (1) FR2201110A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843307A1 (de) * 1978-10-04 1980-04-10 Hoechst Ag Verfahren und anordnung zur abtrennung fester, schlammartiger und gegebenenfalls geloester anteile aus abwasser
AT381645B (de) * 1984-08-30 1986-11-10 Frings & Co Heinrich Verfahren und vorrichtung zur langzeit-ultrafiltration einer fluessigkeit
DE3515650A1 (de) * 1985-05-02 1986-11-06 Biochemie GmbH, Kundl, Tirol Verfahren zur abtrennung von biotechnologisch hergestellten wertstoffen durch querstrom-mikrofiltration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105502A5 (fr) * 1970-09-09 1972-04-28 Rhone Poulenc Sa
FR2116612A5 (en) * 1970-12-01 1972-07-21 Loeffler Robert Rotating membrane reverse osmosis appts

Also Published As

Publication number Publication date
FR2201110A1 (en) 1974-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse