JP7075751B2 - ろ過膜の洗浄方法 - Google Patents

ろ過膜の洗浄方法 Download PDF

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Publication number
JP7075751B2
JP7075751B2 JP2017236557A JP2017236557A JP7075751B2 JP 7075751 B2 JP7075751 B2 JP 7075751B2 JP 2017236557 A JP2017236557 A JP 2017236557A JP 2017236557 A JP2017236557 A JP 2017236557A JP 7075751 B2 JP7075751 B2 JP 7075751B2
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Japan
Prior art keywords
cleaning
liquid
treated
chemical solution
filtration membrane
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JP2017236557A
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English (en)
Japanese (ja)
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JP2019103960A5 (https=
JP2019103960A (ja
Inventor
康信 岡島
祐紀 川島
裕司 大塚
優香子 森田
健 田中
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Kubota Corp
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Kubota Corp
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Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP2017236557A priority Critical patent/JP7075751B2/ja
Priority to EP18887608.0A priority patent/EP3725393B1/en
Priority to PCT/JP2018/044336 priority patent/WO2019116938A1/ja
Publication of JP2019103960A publication Critical patent/JP2019103960A/ja
Publication of JP2019103960A5 publication Critical patent/JP2019103960A5/ja
Priority to US16/888,488 priority patent/US11413583B2/en
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Publication of JP7075751B2 publication Critical patent/JP7075751B2/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/006—Regulation methods for biological treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C02F3/1273—Submerged membrane bioreactors
    • 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
    • B01D2311/10—Temperature control
    • 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
    • B01D2311/14—Pressure control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/06—Submerged-type; Immersion type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/20—Operation control schemes defined by a periodically repeated sequence comprising filtration cycles combined with cleaning or gas supply, e.g. aeration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases
    • 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
    • B01D61/58—Multistep processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2017236557A 2017-12-11 2017-12-11 ろ過膜の洗浄方法 Active JP7075751B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017236557A JP7075751B2 (ja) 2017-12-11 2017-12-11 ろ過膜の洗浄方法
EP18887608.0A EP3725393B1 (en) 2017-12-11 2018-12-03 Filtering membrane cleaning method
PCT/JP2018/044336 WO2019116938A1 (ja) 2017-12-11 2018-12-03 ろ過膜の洗浄方法
US16/888,488 US11413583B2 (en) 2017-12-11 2020-05-29 Filtering membrane cleaning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017236557A JP7075751B2 (ja) 2017-12-11 2017-12-11 ろ過膜の洗浄方法

Publications (3)

Publication Number Publication Date
JP2019103960A JP2019103960A (ja) 2019-06-27
JP2019103960A5 JP2019103960A5 (https=) 2019-08-08
JP7075751B2 true JP7075751B2 (ja) 2022-05-26

Family

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JP2017236557A Active JP7075751B2 (ja) 2017-12-11 2017-12-11 ろ過膜の洗浄方法

Country Status (4)

Country Link
US (1) US11413583B2 (https=)
EP (1) EP3725393B1 (https=)
JP (1) JP7075751B2 (https=)
WO (1) WO2019116938A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9245916B2 (en) 2013-07-09 2016-01-26 Rememdia LC Optical positioning sensor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003251156A (ja) 2002-03-04 2003-09-09 Kurita Water Ind Ltd 膜濾過装置及び膜濾過方法
JP2004230222A (ja) 2003-01-28 2004-08-19 Kobe Steel Ltd 排水処理装置の分離膜の洗浄方法
JP2006082027A (ja) 2004-09-16 2006-03-30 Fuji Electric Systems Co Ltd ろ過膜を用いる水処理方法およびその装置
JP2014171922A (ja) 2013-03-06 2014-09-22 Suido Kiko Kaisha Ltd 膜の洗浄方法
JP2014237072A (ja) 2013-06-06 2014-12-18 株式会社日立製作所 水処理運転支援システム及び水処理運転支援方法
JP2016172217A (ja) 2015-03-17 2016-09-29 株式会社クボタ 膜分離装置の分離膜の洗浄方法
JP2017018940A (ja) 2015-07-07 2017-01-26 株式会社東芝 排水処理制御装置及び排水処理システム
JP2017018859A (ja) 2015-07-07 2017-01-26 株式会社東芝 膜洗浄制御方法、膜洗浄制御装置、及び水処理システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3570020B2 (ja) * 1995-07-24 2004-09-29 東北電力株式会社 水処理用膜分離装置
JP2002530188A (ja) 1998-11-23 2002-09-17 ゼノン、エンバイロンメンタル、インコーポレーテッド 浸漬型薄膜を用いる水の濾過
WO2007129994A1 (en) * 2006-05-10 2007-11-15 Nanyang Technological University Detection apparatus and method utilizing membranes and ratio of transmembrane pressures

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003251156A (ja) 2002-03-04 2003-09-09 Kurita Water Ind Ltd 膜濾過装置及び膜濾過方法
JP2004230222A (ja) 2003-01-28 2004-08-19 Kobe Steel Ltd 排水処理装置の分離膜の洗浄方法
JP2006082027A (ja) 2004-09-16 2006-03-30 Fuji Electric Systems Co Ltd ろ過膜を用いる水処理方法およびその装置
JP2014171922A (ja) 2013-03-06 2014-09-22 Suido Kiko Kaisha Ltd 膜の洗浄方法
JP2014237072A (ja) 2013-06-06 2014-12-18 株式会社日立製作所 水処理運転支援システム及び水処理運転支援方法
JP2016172217A (ja) 2015-03-17 2016-09-29 株式会社クボタ 膜分離装置の分離膜の洗浄方法
JP2017018940A (ja) 2015-07-07 2017-01-26 株式会社東芝 排水処理制御装置及び排水処理システム
JP2017018859A (ja) 2015-07-07 2017-01-26 株式会社東芝 膜洗浄制御方法、膜洗浄制御装置、及び水処理システム

Also Published As

Publication number Publication date
EP3725393B1 (en) 2026-04-01
JP2019103960A (ja) 2019-06-27
EP3725393A1 (en) 2020-10-21
US20200289988A1 (en) 2020-09-17
WO2019116938A1 (ja) 2019-06-20
EP3725393A4 (en) 2021-08-18
US11413583B2 (en) 2022-08-16

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