FR2180446A1 - Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean - Google Patents

Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean

Info

Publication number
FR2180446A1
FR2180446A1 FR7213432A FR7213432A FR2180446A1 FR 2180446 A1 FR2180446 A1 FR 2180446A1 FR 7213432 A FR7213432 A FR 7213432A FR 7213432 A FR7213432 A FR 7213432A FR 2180446 A1 FR2180446 A1 FR 2180446A1
Authority
FR
France
Prior art keywords
ultrafiltration process
fluid pressure
pressure fluctuations
membrane
keep membrane
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
FR7213432A
Other languages
English (en)
French (fr)
Other versions
FR2180446B1 (enExample
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 FR7213432A priority Critical patent/FR2180446A1/fr
Publication of FR2180446A1 publication Critical patent/FR2180446A1/fr
Application granted granted Critical
Publication of FR2180446B1 publication Critical patent/FR2180446B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration
    • A23C9/1425—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration by ultrafiltration, microfiltration or diafiltration of whey, e.g. treatment of the UF permeate
    • 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
    • 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
    • B01D61/18—Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7213432A 1972-04-17 1972-04-17 Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean Granted FR2180446A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7213432A FR2180446A1 (en) 1972-04-17 1972-04-17 Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213432A FR2180446A1 (en) 1972-04-17 1972-04-17 Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean

Publications (2)

Publication Number Publication Date
FR2180446A1 true FR2180446A1 (en) 1973-11-30
FR2180446B1 FR2180446B1 (enExample) 1974-07-26

Family

ID=9096976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213432A Granted FR2180446A1 (en) 1972-04-17 1972-04-17 Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean

Country Status (1)

Country Link
FR (1) FR2180446A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351063A1 (fr) * 1976-05-12 1977-12-09 Rhone Poulenc Ind Traitement d'effluents de papeteries
EP0079040A3 (en) * 1981-11-06 1984-12-27 Hydronautics, Incorporated Method and apparatus for increasing the cross-flow filtration fluxes of liquids containing suspended solids
US4774002A (en) * 1985-10-10 1988-09-27 British Nuclear Fuels Public Limited Company Liquid treatment such as dewatering of sludge
WO2003035803A1 (en) * 2001-10-18 2003-05-01 Shell Internationale Research Maatschappij B.V. Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture
WO2004092308A1 (en) * 2003-04-17 2004-10-28 Shell Internationale Research Maatschappij B.V. Process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250701A (en) * 1965-09-15 1966-05-10 Aerojet General Co Stabilization of desalination membranes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250701A (en) * 1965-09-15 1966-05-10 Aerojet General Co Stabilization of desalination membranes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351063A1 (fr) * 1976-05-12 1977-12-09 Rhone Poulenc Ind Traitement d'effluents de papeteries
EP0079040A3 (en) * 1981-11-06 1984-12-27 Hydronautics, Incorporated Method and apparatus for increasing the cross-flow filtration fluxes of liquids containing suspended solids
US4774002A (en) * 1985-10-10 1988-09-27 British Nuclear Fuels Public Limited Company Liquid treatment such as dewatering of sludge
WO2003035803A1 (en) * 2001-10-18 2003-05-01 Shell Internationale Research Maatschappij B.V. Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture
US7351873B2 (en) 2001-10-18 2008-04-01 Shell Oil Company Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture
WO2004092308A1 (en) * 2003-04-17 2004-10-28 Shell Internationale Research Maatschappij B.V. Process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture
US7714181B2 (en) 2003-04-17 2010-05-11 Shell Oil Company Process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture

Also Published As

Publication number Publication date
FR2180446B1 (enExample) 1974-07-26

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Legal Events

Date Code Title Description
ST Notification of lapse