SG144735A1 - Water-treating microbicide, water treatment method and water treatment apparatus - Google Patents

Water-treating microbicide, water treatment method and water treatment apparatus

Info

Publication number
SG144735A1
SG144735A1 SG200504304-7A SG2005043047A SG144735A1 SG 144735 A1 SG144735 A1 SG 144735A1 SG 2005043047 A SG2005043047 A SG 2005043047A SG 144735 A1 SG144735 A1 SG 144735A1
Authority
SG
Singapore
Prior art keywords
water
water treatment
microbicide
treating
treatment apparatus
Prior art date
Application number
SG200504304-7A
Inventor
Akihiko Ito
Katsufumi Oto
Kazuya Sugita
Yoshinari Fusaoka
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Priority to SG200504304-7A priority Critical patent/SG144735A1/en
Publication of SG144735A1 publication Critical patent/SG144735A1/en

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Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • Physical Water Treatments (AREA)

Abstract

Water-treating microbicide, water treatment method and water treatment apparatus A water-treating microbicide, containing an inorganic acid and a corrosion inhibitor, and further containing a carboxylic acid having 8 or less carbon atoms or any of alkali metal salts thereof. The present invention can provide a water-treating microbicide, water treatment method and water treatment apparatus exhibiting a high sterilization effect in a membrane separation device for seawater desalination, etc.
SG200504304-7A 2002-04-02 2002-04-02 Water-treating microbicide, water treatment method and water treatment apparatus SG144735A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG200504304-7A SG144735A1 (en) 2002-04-02 2002-04-02 Water-treating microbicide, water treatment method and water treatment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200504304-7A SG144735A1 (en) 2002-04-02 2002-04-02 Water-treating microbicide, water treatment method and water treatment apparatus

Publications (1)

Publication Number Publication Date
SG144735A1 true SG144735A1 (en) 2008-08-28

Family

ID=39710853

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200504304-7A SG144735A1 (en) 2002-04-02 2002-04-02 Water-treating microbicide, water treatment method and water treatment apparatus

Country Status (1)

Country Link
SG (1) SG144735A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122280A (en) * 1976-04-01 1977-10-14 Ebara Infilco Co Ltd Removal of substances contaminating membrane
US5236600A (en) * 1991-06-05 1993-08-17 Hutchins Danny T Process for controlling bacteria growth in water supply systems
EP0451434B1 (en) * 1990-04-13 1994-08-03 Denac N.V. Method for controlling deposits and corrosion in water treatment applications
JPH09891A (en) * 1995-06-21 1997-01-07 Nitto Denko Corp Method for treating raw water using membrane module
JP2000167554A (en) * 1998-10-02 2000-06-20 Toray Ind Inc Water making and membrane separator
JP2002143849A (en) * 2000-08-31 2002-05-21 Toray Ind Inc Method for producing water
US6468430B1 (en) * 1998-07-21 2002-10-22 Toray Industries, Inc. Method for inhibiting growth of bacteria or sterilizing around separating membrane

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122280A (en) * 1976-04-01 1977-10-14 Ebara Infilco Co Ltd Removal of substances contaminating membrane
EP0451434B1 (en) * 1990-04-13 1994-08-03 Denac N.V. Method for controlling deposits and corrosion in water treatment applications
US5236600A (en) * 1991-06-05 1993-08-17 Hutchins Danny T Process for controlling bacteria growth in water supply systems
JPH09891A (en) * 1995-06-21 1997-01-07 Nitto Denko Corp Method for treating raw water using membrane module
US6468430B1 (en) * 1998-07-21 2002-10-22 Toray Industries, Inc. Method for inhibiting growth of bacteria or sterilizing around separating membrane
JP2000167554A (en) * 1998-10-02 2000-06-20 Toray Ind Inc Water making and membrane separator
JP2002143849A (en) * 2000-08-31 2002-05-21 Toray Ind Inc Method for producing water

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