JPS5210785B2 - - Google Patents

Info

Publication number
JPS5210785B2
JPS5210785B2 JP12511773A JP12511773A JPS5210785B2 JP S5210785 B2 JPS5210785 B2 JP S5210785B2 JP 12511773 A JP12511773 A JP 12511773A JP 12511773 A JP12511773 A JP 12511773A JP S5210785 B2 JPS5210785 B2 JP S5210785B2
Authority
JP
Japan
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
JP12511773A
Other languages
Japanese (ja)
Other versions
JPS5075177A (en
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 filed Critical
Priority to JP12511773A priority Critical patent/JPS5210785B2/ja
Priority to DE19742452901 priority patent/DE2452901A1/en
Publication of JPS5075177A publication Critical patent/JPS5075177A/ja
Publication of JPS5210785B2 publication Critical patent/JPS5210785B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP12511773A 1973-11-07 1973-11-07 Expired JPS5210785B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12511773A JPS5210785B2 (en) 1973-11-07 1973-11-07
DE19742452901 DE2452901A1 (en) 1973-11-07 1974-11-07 Restoring separating power of semi-permeable membrane - by washing impurity layer formed with aq. alkaline soln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12511773A JPS5210785B2 (en) 1973-11-07 1973-11-07

Publications (2)

Publication Number Publication Date
JPS5075177A JPS5075177A (en) 1975-06-20
JPS5210785B2 true JPS5210785B2 (en) 1977-03-26

Family

ID=14902254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12511773A Expired JPS5210785B2 (en) 1973-11-07 1973-11-07

Country Status (2)

Country Link
JP (1) JPS5210785B2 (en)
DE (1) DE2452901A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155100A (en) * 1984-01-25 1985-08-14 Kawasaki Heavy Ind Ltd Large-sized liquid helium storage tank

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226379A (en) * 1975-08-25 1977-02-26 Asahi Chem Ind Co Ltd Method of washing ultrafiltration membranes
JPS5433877A (en) * 1977-08-22 1979-03-12 Hitachi Ltd Method of filtration of solution containing protein or amino acid
JPS5888089A (en) * 1981-11-17 1983-05-26 Nitto Electric Ind Co Ltd Purification of pulp mill waste liquor
JPS6082106A (en) * 1983-10-12 1985-05-10 Ajinomoto Co Inc Method for preventing contamination of electrodialysis membrane
JPS60125208A (en) * 1983-12-09 1985-07-04 Japan Organo Co Ltd Regeneration of reverse osmosis membrane apparatus
JPS61181594A (en) * 1985-02-08 1986-08-14 Kurita Water Ind Ltd Treating device of waste water containing nitrogen
JPH07313850A (en) * 1994-05-30 1995-12-05 Kubota Corp Method for backward washing immersion-type ceramic membrane separator
JP2011115712A (en) * 2009-12-02 2011-06-16 Mitsubishi Heavy Ind Ltd Washing method of filter membrane
JP6973565B1 (en) * 2020-05-28 2021-12-01 栗田工業株式会社 Reverse osmosis membrane treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155100A (en) * 1984-01-25 1985-08-14 Kawasaki Heavy Ind Ltd Large-sized liquid helium storage tank

Also Published As

Publication number Publication date
JPS5075177A (en) 1975-06-20
DE2452901A1 (en) 1975-05-22

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