JPS5621604A - Separation of liquid by semipermeable composite membrane - Google Patents

Separation of liquid by semipermeable composite membrane

Info

Publication number
JPS5621604A
JPS5621604A JP9508679A JP9508679A JPS5621604A JP S5621604 A JPS5621604 A JP S5621604A JP 9508679 A JP9508679 A JP 9508679A JP 9508679 A JP9508679 A JP 9508679A JP S5621604 A JPS5621604 A JP S5621604A
Authority
JP
Japan
Prior art keywords
composite membrane
semipermeable
liquid
acid
separation
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
JP9508679A
Other languages
Japanese (ja)
Inventor
Tadahiro Uemura
Norio Harumiya
Masaru Kurihara
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Inc filed Critical Toray Industries Inc
Priority to JP9508679A priority Critical patent/JPS5621604A/en
Publication of JPS5621604A publication Critical patent/JPS5621604A/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
    • B01D61/04—Feed pretreatment
    • 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

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:To maintain the separating capacity of the semipermeable composite membrane for a long period of time by adding a sulfite, a bisulfite, or solfurous acid gas and a manometric agent for ions of heavy metal to a treating liquid in the separation and recovery of inclusions from liquid by a reverse osmosis method using the specific semipermeable composite membrane. CONSTITUTION:In the manufacture of pure water by recovering valuables present in industrial water, sea water, etc., the semipermeable thin membrane consisting of a bridged polymer of furfuryl alcohol is formed on the surface of a porous supporting membrane consisting of polysulfone by coating it with an aqueous solution containing furfuryl alcohol and an acid catalyst, e.g., sulfuric acid, followed by polymerization by heating, and the composite membrane thus obtained is used as a barrier layer. In this case, to the treating liquid 5-100ppm of a sulfite, a bisulfite, or sulfurous acid gas and 20-500ppm of the heavy matalian manometric agent, e.g., ethylenediamine tetraacetic acid, etc., are added. Thus, the separating capacity of the said composite membrane can be maintained for a long period of time.
JP9508679A 1979-07-27 1979-07-27 Separation of liquid by semipermeable composite membrane Pending JPS5621604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9508679A JPS5621604A (en) 1979-07-27 1979-07-27 Separation of liquid by semipermeable composite membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9508679A JPS5621604A (en) 1979-07-27 1979-07-27 Separation of liquid by semipermeable composite membrane

Publications (1)

Publication Number Publication Date
JPS5621604A true JPS5621604A (en) 1981-02-28

Family

ID=14128117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9508679A Pending JPS5621604A (en) 1979-07-27 1979-07-27 Separation of liquid by semipermeable composite membrane

Country Status (1)

Country Link
JP (1) JPS5621604A (en)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980304A (en) * 1982-10-27 1984-05-09 Toray Eng Co Ltd Reverse osmosis treatment of liquid containing organic and inorganic substances by employing semi-permeable composite membrane
JPS5980387A (en) * 1982-10-27 1984-05-09 Toray Eng Co Ltd Reverse osmosis treatment of waste water used for washing electronic part with semipermeable composite membrane
JPS61249505A (en) * 1985-04-27 1986-11-06 Toyobo Co Ltd Method for preserving fluid separator
JPS62237907A (en) * 1986-04-09 1987-10-17 Kurita Water Ind Ltd Membrane separation method
JPS6339686A (en) * 1986-08-06 1988-02-20 Nippon Kokan Kk <Nkk> Method for treating seawater
EP1312408A3 (en) * 2001-11-16 2003-08-06 US Filter Wastewater Group, Inc. Method of cleaning membranes
US7459487B2 (en) * 2005-02-16 2008-12-02 The University Of Hong Kong Polymer composite membrane and method of making the same
US8187561B2 (en) * 2007-12-05 2012-05-29 Ames Goldsmith Corporation Processes and systems for recovering catalyst promoter from catalyst substrates
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US8287743B2 (en) 2007-05-29 2012-10-16 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8377305B2 (en) 2004-09-15 2013-02-19 Siemens Industry, Inc. Continuously variable aeration
US8382981B2 (en) 2008-07-24 2013-02-26 Siemens Industry, Inc. Frame system for membrane filtration modules
US8894858B1 (en) 2005-08-22 2014-11-25 Evoqua Water Technologies Llc Method and assembly for water filtration using a tube manifold to minimize backwash
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118280A (en) * 1974-08-06 1976-02-13 Ebara Infilco GYAKUSHINTOATSUSHORIHOHO
JPS5474285A (en) * 1977-11-25 1979-06-14 Sasakura Eng Co Ltd Reverse osmotic pressure apparatus control method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118280A (en) * 1974-08-06 1976-02-13 Ebara Infilco GYAKUSHINTOATSUSHORIHOHO
JPS5474285A (en) * 1977-11-25 1979-06-14 Sasakura Eng Co Ltd Reverse osmotic pressure apparatus control method

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980304A (en) * 1982-10-27 1984-05-09 Toray Eng Co Ltd Reverse osmosis treatment of liquid containing organic and inorganic substances by employing semi-permeable composite membrane
JPS5980387A (en) * 1982-10-27 1984-05-09 Toray Eng Co Ltd Reverse osmosis treatment of waste water used for washing electronic part with semipermeable composite membrane
JPS61249505A (en) * 1985-04-27 1986-11-06 Toyobo Co Ltd Method for preserving fluid separator
JPH0472569B2 (en) * 1985-04-27 1992-11-18 Toyo Boseki
JPS62237907A (en) * 1986-04-09 1987-10-17 Kurita Water Ind Ltd Membrane separation method
JPH0434480B2 (en) * 1986-04-09 1992-06-08 Kurita Water Ind Ltd
JPS6339686A (en) * 1986-08-06 1988-02-20 Nippon Kokan Kk <Nkk> Method for treating seawater
EP1312408A3 (en) * 2001-11-16 2003-08-06 US Filter Wastewater Group, Inc. Method of cleaning membranes
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US8377305B2 (en) 2004-09-15 2013-02-19 Siemens Industry, Inc. Continuously variable aeration
US7459487B2 (en) * 2005-02-16 2008-12-02 The University Of Hong Kong Polymer composite membrane and method of making the same
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US8894858B1 (en) 2005-08-22 2014-11-25 Evoqua Water Technologies Llc Method and assembly for water filtration using a tube manifold to minimize backwash
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US8372276B2 (en) 2007-05-29 2013-02-12 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US10507431B2 (en) 2007-05-29 2019-12-17 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US8840783B2 (en) 2007-05-29 2014-09-23 Evoqua Water Technologies Llc Water treatment membrane cleaning with pulsed airlift pump
US8287743B2 (en) 2007-05-29 2012-10-16 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US9573824B2 (en) 2007-05-29 2017-02-21 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US9206057B2 (en) 2007-05-29 2015-12-08 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US8187561B2 (en) * 2007-12-05 2012-05-29 Ames Goldsmith Corporation Processes and systems for recovering catalyst promoter from catalyst substrates
US9023206B2 (en) 2008-07-24 2015-05-05 Evoqua Water Technologies Llc Frame system for membrane filtration modules
US8382981B2 (en) 2008-07-24 2013-02-26 Siemens Industry, Inc. Frame system for membrane filtration modules
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US10441920B2 (en) 2010-04-30 2019-10-15 Evoqua Water Technologies Llc Fluid flow distribution device
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US10391432B2 (en) 2011-09-30 2019-08-27 Evoqua Water Technologies Llc Manifold arrangement
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US11065569B2 (en) 2011-09-30 2021-07-20 Rohm And Haas Electronic Materials Singapore Pte. Ltd. Manifold arrangement
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
US11173453B2 (en) 2013-10-02 2021-11-16 Rohm And Haas Electronic Materials Singapores Method and device for repairing a membrane filtration module
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

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