JP7552938B2 - 水系の微生物汚染抑制方法 - Google Patents

水系の微生物汚染抑制方法 Download PDF

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Publication number
JP7552938B2
JP7552938B2 JP2023569361A JP2023569361A JP7552938B2 JP 7552938 B2 JP7552938 B2 JP 7552938B2 JP 2023569361 A JP2023569361 A JP 2023569361A JP 2023569361 A JP2023569361 A JP 2023569361A JP 7552938 B2 JP7552938 B2 JP 7552938B2
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JP
Japan
Prior art keywords
oxidizing agent
based oxidizing
chlorine
stabilized
microbial contamination
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JP2023569361A
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English (en)
Japanese (ja)
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JPWO2023120351A1 (https=
JPWO2023120351A5 (https=
Inventor
雄太 大塚
淳一 高橋
邦洋 早川
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.)
Kurita Water Industries Ltd
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Kurita Water Industries Ltd
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Publication date
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Publication of JPWO2023120351A1 publication Critical patent/JPWO2023120351A1/ja
Publication of JPWO2023120351A5 publication Critical patent/JPWO2023120351A5/ja
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    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • 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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
    • 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
    • C02F2303/04—Disinfection
    • 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
    • C02F2303/20—Prevention of biofouling
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
JP2023569361A 2021-12-20 2022-12-15 水系の微生物汚染抑制方法 Active JP7552938B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021205985 2021-12-20
JP2021205985 2021-12-20
PCT/JP2022/046154 WO2023120351A1 (ja) 2021-12-20 2022-12-15 水系の微生物汚染抑制方法

Publications (3)

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JPWO2023120351A1 JPWO2023120351A1 (https=) 2023-06-29
JPWO2023120351A5 JPWO2023120351A5 (https=) 2024-03-01
JP7552938B2 true JP7552938B2 (ja) 2024-09-18

Family

ID=86902501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023569361A Active JP7552938B2 (ja) 2021-12-20 2022-12-15 水系の微生物汚染抑制方法

Country Status (5)

Country Link
EP (1) EP4455096A4 (https=)
JP (1) JP7552938B2 (https=)
CN (1) CN118339112A (https=)
TW (1) TW202333807A (https=)
WO (1) WO2023120351A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7495017B2 (ja) * 2021-12-20 2024-06-04 栗田工業株式会社 水系の微生物汚染抑制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013005787A1 (ja) 2011-07-06 2013-01-10 栗田工業株式会社 膜分離方法
JP2014176799A (ja) 2013-03-14 2014-09-25 Kurita Water Ind Ltd 逆浸透膜分離方法
WO2019031430A1 (ja) 2017-08-10 2019-02-14 栗田工業株式会社 逆浸透膜処理方法及び水処理装置
JP2022165818A (ja) 2021-04-20 2022-11-01 オルガノ株式会社 水処理方法及び水処理装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0698277B2 (ja) 1987-10-14 1994-12-07 栗田工業株式会社 膜分離方法
JPH0811173B2 (ja) 1987-11-20 1996-02-07 東レ株式会社 精製水の製造方法
JP2006263510A (ja) 2005-03-22 2006-10-05 Kurita Water Ind Ltd 膜分離用スライム防止剤及び膜分離方法
WO2016104356A1 (ja) * 2014-12-25 2016-06-30 オルガノ株式会社 分離膜のスライム抑制方法
WO2016158633A1 (ja) * 2015-03-31 2016-10-06 栗田工業株式会社 逆浸透膜処理システムの運転方法及び逆浸透膜処理システム
JP6649697B2 (ja) * 2015-05-12 2020-02-19 オルガノ株式会社 水の殺菌方法
JP6934295B2 (ja) * 2016-12-01 2021-09-15 オルガノ株式会社 水処理剤組成物、水処理方法、および水処理剤組成物の保管または使用方法
JP7220112B2 (ja) * 2019-03-29 2023-02-09 栗田工業株式会社 膜分離方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013005787A1 (ja) 2011-07-06 2013-01-10 栗田工業株式会社 膜分離方法
JP2014176799A (ja) 2013-03-14 2014-09-25 Kurita Water Ind Ltd 逆浸透膜分離方法
WO2019031430A1 (ja) 2017-08-10 2019-02-14 栗田工業株式会社 逆浸透膜処理方法及び水処理装置
JP2022165818A (ja) 2021-04-20 2022-11-01 オルガノ株式会社 水処理方法及び水処理装置

Also Published As

Publication number Publication date
EP4455096A4 (en) 2025-10-15
JPWO2023120351A1 (https=) 2023-06-29
WO2023120351A1 (ja) 2023-06-29
TW202333807A (zh) 2023-09-01
EP4455096A1 (en) 2024-10-30
CN118339112A (zh) 2024-07-12

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