JPS5527055A - Tube type membrane separator - Google Patents

Tube type membrane separator

Info

Publication number
JPS5527055A
JPS5527055A JP9949178A JP9949178A JPS5527055A JP S5527055 A JPS5527055 A JP S5527055A JP 9949178 A JP9949178 A JP 9949178A JP 9949178 A JP9949178 A JP 9949178A JP S5527055 A JPS5527055 A JP S5527055A
Authority
JP
Japan
Prior art keywords
group
module
fed
waste water
pipe
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
JP9949178A
Other languages
Japanese (ja)
Inventor
Kazuaki Tsuchiya
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.)
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Plant Technologies 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 Hitachi Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Priority to JP9949178A priority Critical patent/JPS5527055A/en
Publication of JPS5527055A publication Critical patent/JPS5527055A/en
Pending 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE:In waste water treatment by pipe-type membrane separator, a pressure- up pump is provided between module group connection so as to compensate for the pressure drop caused by the preceeding module treatment, thereby reducing the required area of the succeesing back osmosis membrane. CONSTITUTION:Waste water from the tank 10 is pressurized and fed through conduit 36 to each module in the first group 14 of modules. Water permeated through back osmosis membranes is fed to drain pipe 16. Concentrated waste water passed cylinder is fed through pipe 18A to the second group 20 of modules. Concentrated waste water by the second group 20 passes through pipe 18B and is pressurized by pump 26 to a pressure higher than osmosis pressure of the back osmosis membranes of the membrane 28c in the third group 22, then fed to the module 28c. The same treatment applies to the third 22 and forth module group 24.
JP9949178A 1978-08-17 1978-08-17 Tube type membrane separator Pending JPS5527055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9949178A JPS5527055A (en) 1978-08-17 1978-08-17 Tube type membrane separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9949178A JPS5527055A (en) 1978-08-17 1978-08-17 Tube type membrane separator

Publications (1)

Publication Number Publication Date
JPS5527055A true JPS5527055A (en) 1980-02-26

Family

ID=14248764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9949178A Pending JPS5527055A (en) 1978-08-17 1978-08-17 Tube type membrane separator

Country Status (1)

Country Link
JP (1) JPS5527055A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709130A1 (en) * 1994-10-12 1996-05-01 Toray Industries, Inc. Apparatus and method for multistage reverse osmosis separation
EP0879634A3 (en) * 1997-05-22 1999-06-16 Hydro Air Research S.r.l. Process of purification of leachate from dumps via ultrafiltration and reverse osmosis
EP0983115A1 (en) * 1997-04-14 2000-03-08 Nate International Modular filtration systems and methods

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709130A1 (en) * 1994-10-12 1996-05-01 Toray Industries, Inc. Apparatus and method for multistage reverse osmosis separation
AU691649B2 (en) * 1994-10-12 1998-05-21 Toray Industries, Inc. Apparatus and method for multistage reverse osmosis separation
US6187200B1 (en) 1994-10-12 2001-02-13 Toray Industries, Inc. Apparatus and method for multistage reverse osmosis separation
EP1161981A3 (en) * 1994-10-12 2002-01-02 Toray Industries, Inc. Apparatus and method for multistage reverse osmosis separation
CN1091638C (en) * 1994-10-12 2002-10-02 东丽株式会社 Reverse osmosis separating unit and its method
EP0983115A1 (en) * 1997-04-14 2000-03-08 Nate International Modular filtration systems and methods
EP0983115A4 (en) * 1997-04-14 2000-07-19 Nate International Modular filtration systems and methods
EP0879634A3 (en) * 1997-05-22 1999-06-16 Hydro Air Research S.r.l. Process of purification of leachate from dumps via ultrafiltration and reverse osmosis

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