JPH0217925A - Method for backwashing hollow yarn membrane filter apparatus - Google Patents

Method for backwashing hollow yarn membrane filter apparatus

Info

Publication number
JPH0217925A
JPH0217925A JP16783988A JP16783988A JPH0217925A JP H0217925 A JPH0217925 A JP H0217925A JP 16783988 A JP16783988 A JP 16783988A JP 16783988 A JP16783988 A JP 16783988A JP H0217925 A JPH0217925 A JP H0217925A
Authority
JP
Japan
Prior art keywords
container
scrubbing
backwashing
liquid
hollow yarns
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
JP16783988A
Inventor
Kazumichi Suzuki
Tadao Yamashita
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP16783988A priority Critical patent/JPH0217925A/en
Publication of JPH0217925A publication Critical patent/JPH0217925A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To effectively remove a solid by preventing the lowering of the liquid level during a backwashing process by intermittently performing scrubbing action and filling a container with water during the intermittent stoppage of scrubbing.
CONSTITUTION: Hollow yarns 1 are suspended in a filter container 8and a liquid to be treated is allowed to flow through the hollow yarns 1 from the outside toward the interiors thereof. In regenerating the hollow yarns 1 by removing the solid adhered to the outer surfaces of the hollow yarns 1, a vent pipe 11 is opened at a definite liquid level in order to lower the liquid to be treated in the container 8. Next, backwashing air is supplied from a compressed air pipe 10 and, thereafter, scrubbing action is applied from the lower part of the container 8 by a scrubbing air pipe 12 and, subsequently, the liquid at the time of backwashing is discharged out of the container through a drain pipe 13. In this case, the aforementioned scrubbing action is performed intermittently and the container 8 is filled with water during the intermittent stoppage of scrubbing. As a result, the removal of a solid can be effectively performed.
COPYRIGHT: (C)1990,JPO&Japio
JP16783988A 1988-07-07 1988-07-07 Method for backwashing hollow yarn membrane filter apparatus Pending JPH0217925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16783988A JPH0217925A (en) 1988-07-07 1988-07-07 Method for backwashing hollow yarn membrane filter apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16783988A JPH0217925A (en) 1988-07-07 1988-07-07 Method for backwashing hollow yarn membrane filter apparatus

Publications (1)

Publication Number Publication Date
JPH0217925A true JPH0217925A (en) 1990-01-22

Family

ID=15857035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16783988A Pending JPH0217925A (en) 1988-07-07 1988-07-07 Method for backwashing hollow yarn membrane filter apparatus

Country Status (1)

Country Link
JP (1) JPH0217925A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003053161A (en) * 2001-06-05 2003-02-25 Japan Organo Co Ltd Method for cleaning hollow fiber membrane module
EP1718398A1 (en) * 2004-02-27 2006-11-08 Zenon Environmental Inc. Water filtration using immersed membranes
EP1677898B1 (en) * 2003-08-29 2016-03-09 Evoqua Water Technologies LLC Backwash
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62163708A (en) * 1986-01-13 1987-07-20 Ebara Corp Method for backwashing hollow yarn filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62163708A (en) * 1986-01-13 1987-07-20 Ebara Corp Method for backwashing hollow yarn filter

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003053161A (en) * 2001-06-05 2003-02-25 Japan Organo Co Ltd Method for cleaning hollow fiber membrane module
JP4596508B2 (en) * 2001-06-05 2010-12-08 オルガノ株式会社 Hollow fiber membrane module cleaning method
EP1677898B1 (en) * 2003-08-29 2016-03-09 Evoqua Water Technologies LLC Backwash
EP1718398A1 (en) * 2004-02-27 2006-11-08 Zenon Environmental Inc. Water filtration using immersed membranes
EP1718398A4 (en) * 2004-02-27 2007-04-25 Zenon Environmental Inc Water filtration using immersed membranes
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9914097B2 (en) 2010-04-30 2018-03-13 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
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a 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
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
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

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