CN118339113A - 水系统的微生物污染抑制方法 - Google Patents

水系统的微生物污染抑制方法 Download PDF

Info

Publication number
CN118339113A
CN118339113A CN202280080148.3A CN202280080148A CN118339113A CN 118339113 A CN118339113 A CN 118339113A CN 202280080148 A CN202280080148 A CN 202280080148A CN 118339113 A CN118339113 A CN 118339113A
Authority
CN
China
Prior art keywords
chlorine
oxidizing agent
stabilized
based oxidizing
bromine
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
CN202280080148.3A
Other languages
English (en)
Chinese (zh)
Inventor
大塚雄太
进邦周子
中川刚
高桥淳一
早川邦洋
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
Original Assignee
Kurita Water Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=86902499&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN118339113(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kurita Water Industries Ltd filed Critical Kurita Water Industries Ltd
Publication of CN118339113A publication Critical patent/CN118339113A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D61/06—Energy recovery
    • 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
    • B01D61/10—Accessories; Auxiliary operations
    • 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
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • 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
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/263—Chemical reaction
    • B01D2311/2634—Oxidation
    • 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
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F2303/18—Removal of treatment agents after treatment
    • C02F2303/185—The treatment agent being halogen or a halogenated compound
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
CN202280080148.3A 2021-12-20 2022-12-15 水系统的微生物污染抑制方法 Pending CN118339113A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021205981 2021-12-20
JP2021-205981 2021-12-20
PCT/JP2022/046153 WO2023120350A1 (ja) 2021-12-20 2022-12-15 水系の微生物汚染抑制方法

Publications (1)

Publication Number Publication Date
CN118339113A true CN118339113A (zh) 2024-07-12

Family

ID=86902499

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280080148.3A Pending CN118339113A (zh) 2021-12-20 2022-12-15 水系统的微生物污染抑制方法

Country Status (7)

Country Link
US (1) US20250051203A1 (https=)
EP (1) EP4455097A4 (https=)
JP (1) JP7495017B2 (https=)
KR (1) KR20240125568A (https=)
CN (1) CN118339113A (https=)
TW (1) TW202333806A (https=)
WO (1) WO2023120350A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014176799A (ja) * 2013-03-14 2014-09-25 Kurita Water Ind Ltd 逆浸透膜分離方法
JP5967337B1 (ja) * 2015-03-31 2016-08-10 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
CN106457150A (zh) * 2014-05-08 2017-02-22 奥加诺株式会社 过滤处理系统和过滤处理方法
JP2019122943A (ja) * 2018-01-19 2019-07-25 オルガノ株式会社 水処理方法および水処理装置
CN113226995A (zh) * 2018-12-27 2021-08-06 奥加诺株式会社 水系的杀菌方法、水系的亚硝胺化合物的除去方法及饮用水的制造方法
CN118339112A (zh) * 2021-12-20 2024-07-12 栗田工业株式会社 水系统的微生物污染抑制方法

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
JP5099045B2 (ja) * 2009-03-02 2012-12-12 栗田工業株式会社 逆浸透膜分離方法
JP7013141B2 (ja) 2017-04-27 2022-02-15 オルガノ株式会社 逆浸透膜を用いる水処理方法
KR102101320B1 (ko) * 2018-11-01 2020-04-16 (주)프라임 텍 인터내쇼날 현장에서 직접 제조한 살균제로 역삼투막을 살균처리하는 방법 및 장치
JP7180310B2 (ja) * 2018-11-20 2022-11-30 三浦工業株式会社 水処理システム
JP2020131134A (ja) 2019-02-21 2020-08-31 オルガノ株式会社 分離膜用スライム抑制剤、分離膜用スライム抑制剤の製造方法、および分離膜のスライム抑制方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014176799A (ja) * 2013-03-14 2014-09-25 Kurita Water Ind Ltd 逆浸透膜分離方法
CN106457150A (zh) * 2014-05-08 2017-02-22 奥加诺株式会社 过滤处理系统和过滤处理方法
JP5967337B1 (ja) * 2015-03-31 2016-08-10 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
JP2019122943A (ja) * 2018-01-19 2019-07-25 オルガノ株式会社 水処理方法および水処理装置
CN113226995A (zh) * 2018-12-27 2021-08-06 奥加诺株式会社 水系的杀菌方法、水系的亚硝胺化合物的除去方法及饮用水的制造方法
CN118339112A (zh) * 2021-12-20 2024-07-12 栗田工业株式会社 水系统的微生物污染抑制方法

Also Published As

Publication number Publication date
JP7495017B2 (ja) 2024-06-04
US20250051203A1 (en) 2025-02-13
TW202333806A (zh) 2023-09-01
JPWO2023120350A1 (https=) 2023-06-29
KR20240125568A (ko) 2024-08-19
WO2023120350A1 (ja) 2023-06-29
EP4455097A1 (en) 2024-10-30
EP4455097A4 (en) 2025-10-15

Similar Documents

Publication Publication Date Title
CN105517959B (zh) 次溴酸稳定化组合物的制造方法、次溴酸稳定化组合物、以及分离膜的抑污方法
US10351444B2 (en) Filtration treatment system and filtration treatment method
CN107108277B (zh) 分离膜的黏质抑制方法
WO2019031430A1 (ja) 逆浸透膜処理方法及び水処理装置
KR102494388B1 (ko) 역침투막 처리 방법, 수계의 바이오파울링 억제 방법 및 그를 위한 장치
TWI727106B (zh) 利用逆滲透膜的水處理方法及水處理裝置
JP7013141B2 (ja) 逆浸透膜を用いる水処理方法
CN109562330B (zh) 使用反渗透膜的水处理方法
JP6837301B2 (ja) 逆浸透膜処理方法および逆浸透膜処理システム
JP7552938B2 (ja) 水系の微生物汚染抑制方法
CN116888082A (zh) 水处理方法以及水处理剂组合物
JP2019122943A (ja) 水処理方法および水処理装置
CN118339113A (zh) 水系统的微生物污染抑制方法
JP7141919B2 (ja) 逆浸透膜処理方法、逆浸透膜処理システム、水処理方法、および水処理システム
US20260001792A1 (en) Method for producing slime-suppressing auxiliary agent for reverse osmosis membrane, slime-suppressing auxiliary agent for reverse osmosis membrane, and water treatment method
JP2017148779A (ja) 逆浸透膜の劣化抑制剤、および水処理方法
WO2018158943A1 (ja) 逆浸透膜の劣化抑制剤、および水処理方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination