MY165150A - Water treatment apparatus and water treatment method - Google Patents

Water treatment apparatus and water treatment method

Info

Publication number
MY165150A
MY165150A MYPI2012003435A MYPI2012003435A MY165150A MY 165150 A MY165150 A MY 165150A MY PI2012003435 A MYPI2012003435 A MY PI2012003435A MY PI2012003435 A MYPI2012003435 A MY PI2012003435A MY 165150 A MY165150 A MY 165150A
Authority
MY
Malaysia
Prior art keywords
membrane
water treatment
water
chlorine
free
Prior art date
Application number
MYPI2012003435A
Inventor
Katsuyoshi Tanida
Sousuke Onoda
Kazutaka Takata
Masanobu Noshita
Noboru Miyaoka
Original Assignee
Kobelco Eco Solutions Co 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
Priority claimed from JP2011010542A external-priority patent/JP4825932B2/en
Priority claimed from JP2011029658A external-priority patent/JP4825933B1/en
Application filed by Kobelco Eco Solutions Co Ltd filed Critical Kobelco Eco Solutions Co Ltd
Publication of MY165150A publication Critical patent/MY165150A/en

Links

Abstract

AN OBJECT IS TO PROVIDE A WATER TREATMENT APPARATUS AND A WATER TREATMENT METHOD THAT ARE CAPABLE OF SUPPRESSING MEMBRANE FOULING BY USE OF A CHLORINE CONTAINING CHEMICAL, WHILE AT THE SAME TIME SUPPRESSING THE INCREASE OF THE CHLORINE-CONTAINING CHEMICAL TO BE USED. PROVIDED IS A WATER TREATMENT APPARATUS THAT INCLUDES A MEMBRANE UNIT HAVING A MEMBRANE TO MEMBRANE SEPARATE SUBJECT WATER BY THE MEMBRANE UNIT, WHEREIN THE APPARATUS ALTERNATELY PERFORMS THE FOLLOWING STEPS: A FIRST FILTRATION STEP OF MEMBRANE SEPARATING, AS SUBJECT WATER, FREE-RESIDUAL-CHLORINE-CONTAINING SUBJECT WATER HAVING A FREE RESIDUAL CHLORINE CONCENTRATION NOT HIGHER THAN A PREDETERMINED VALUE; AND ANY ONE OF A WASHING STEP OF SUBMERGING A MEMBRANE INSIDE THE MEMBRANE UNIT IN WASHING WATER HAVING A FREE RESIDUAL CHLORINE CONCENTRATION HIGHER THAN THE PREDETERMINED VALUE AND A SECOND FILTRATION STEP OF MEMBRANE SEPARATING, AS SUBJECT WATER, FREE-RESIDUAL-CHLORINE-CONTAINING SUBJECT WATER HAVING A FREE RESIDUAL CHLORINE CONCENTRATION HIGHER THAN THE PREDETERMINED VALUE BY THE MEMBRANE UNIT. (FIG. 1)
MYPI2012003435A 2010-03-30 2011-02-22 Water treatment apparatus and water treatment method MY165150A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2010077961 2010-03-30
JP2010077963 2010-03-30
JP2011010540 2011-01-21
JP2011010542A JP4825932B2 (en) 2010-03-30 2011-01-21 Water treatment method
JP2011029658A JP4825933B1 (en) 2010-03-30 2011-02-15 Water treatment method

Publications (1)

Publication Number Publication Date
MY165150A true MY165150A (en) 2018-02-28

Family

ID=46903930

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003435A MY165150A (en) 2010-03-30 2011-02-22 Water treatment apparatus and water treatment method

Country Status (3)

Country Link
CN (1) CN102712507A (en)
MY (1) MY165150A (en)
SG (2) SG182840A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105768035B (en) * 2016-03-17 2018-10-30 华东理工大学 A kind of film clarification filtration method of soy sauce
JP7220112B2 (en) * 2019-03-29 2023-02-09 栗田工業株式会社 Membrane separation method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001232160A (en) * 2000-02-21 2001-08-28 Hitachi Plant Eng & Constr Co Ltd Membrane filter
JP2007130523A (en) * 2005-11-08 2007-05-31 Kobelco Eco-Solutions Co Ltd Membrane washing method for water treatment system
JP2007152272A (en) * 2005-12-07 2007-06-21 Tsukishima Kikai Co Ltd Immersed membrane filtration method and immersed membrane filtration apparatus

Also Published As

Publication number Publication date
CN102712507A (en) 2012-10-03
SG182840A1 (en) 2012-09-27
SG193889A1 (en) 2013-10-30

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