JPS5451982A - Method of turning seawater into fresh water - Google Patents

Method of turning seawater into fresh water

Info

Publication number
JPS5451982A
JPS5451982A JP11836777A JP11836777A JPS5451982A JP S5451982 A JPS5451982 A JP S5451982A JP 11836777 A JP11836777 A JP 11836777A JP 11836777 A JP11836777 A JP 11836777A JP S5451982 A JPS5451982 A JP S5451982A
Authority
JP
Japan
Prior art keywords
membrane
seawater
module
filters
fed
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.)
Pending
Application number
JP11836777A
Other languages
Japanese (ja)
Inventor
Kenji Mori
Hideo Tsuge
Takayoshi Masaki
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP11836777A priority Critical patent/JPS5451982A/en
Publication of JPS5451982A publication Critical patent/JPS5451982A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To prolong the life of a tubular membrane separator and to improve the efficiency of membrane separation, by simplifying pre-treatment by pre-treating seawater by means of filters, such as, a filter or a strainer with specified hole diameter, etc. and by introducing the treated liquied to the tubular memebrane separator.
CONSTITUTION: Seawater from an intake pumpl is filtered by means of 20W300μ filters 2, 2' after the pH is adjusted to approx. pH 5W6, 7. Filtrate is pressure increased by means of a high pressure pump 3, and fed to a membrane module 5. Concentrated water discharged from the module 5 is returned to the sea from a pipe 6 after it is recovered as a power source as necessary because it has residual pressure. Membrane transmitted water 7 is supplied to a membrane module 10 with a spiral shape, etc. after it is pressurized by means of a high pressure pump 8. Concentrated water 11 discharged from the module 10 is mixed with fresh seawater and re-teated, and formed water 12 is fed to a storage tank 13
COPYRIGHT: (C)1979,JPO&Japio
JP11836777A 1977-10-01 1977-10-01 Method of turning seawater into fresh water Pending JPS5451982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11836777A JPS5451982A (en) 1977-10-01 1977-10-01 Method of turning seawater into fresh water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11836777A JPS5451982A (en) 1977-10-01 1977-10-01 Method of turning seawater into fresh water

Publications (1)

Publication Number Publication Date
JPS5451982A true JPS5451982A (en) 1979-04-24

Family

ID=14734945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11836777A Pending JPS5451982A (en) 1977-10-01 1977-10-01 Method of turning seawater into fresh water

Country Status (1)

Country Link
JP (1) JPS5451982A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56150404A (en) * 1980-04-25 1981-11-20 Japan Organo Co Ltd Treatment of sugar sirup
JP2016203098A (en) * 2015-04-23 2016-12-08 アクアデザインシステム株式会社 Emergency water purifier
WO2021240967A1 (en) * 2020-05-28 2021-12-02 栗田工業株式会社 Reverse osmosis membrane processing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56150404A (en) * 1980-04-25 1981-11-20 Japan Organo Co Ltd Treatment of sugar sirup
JP2016203098A (en) * 2015-04-23 2016-12-08 アクアデザインシステム株式会社 Emergency water purifier
WO2021240967A1 (en) * 2020-05-28 2021-12-02 栗田工業株式会社 Reverse osmosis membrane processing method
JP2021186727A (en) * 2020-05-28 2021-12-13 栗田工業株式会社 Reverse osmosis membrane treatment method

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