TW202333806A - 水系統的微生物污染抑制方法 - Google Patents

水系統的微生物污染抑制方法 Download PDF

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Publication number
TW202333806A
TW202333806A TW111148831A TW111148831A TW202333806A TW 202333806 A TW202333806 A TW 202333806A TW 111148831 A TW111148831 A TW 111148831A TW 111148831 A TW111148831 A TW 111148831A TW 202333806 A TW202333806 A TW 202333806A
Authority
TW
Taiwan
Prior art keywords
chlorine
oxidizing agent
water system
stabilized
bromine
Prior art date
Application number
TW111148831A
Other languages
English (en)
Chinese (zh)
Inventor
大塚雄太
進邦周子
中川剛
高橋淳一
早川邦洋
Original Assignee
日商栗田工業股份有限公司
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
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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=TW202333806(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 日商栗田工業股份有限公司 filed Critical 日商栗田工業股份有限公司
Publication of TW202333806A publication Critical patent/TW202333806A/zh

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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)
TW111148831A 2021-12-20 2022-12-20 水系統的微生物污染抑制方法 TW202333806A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021205981 2021-12-20
JP2021-205981 2021-12-20

Publications (1)

Publication Number Publication Date
TW202333806A true TW202333806A (zh) 2023-09-01

Family

ID=86902499

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111148831A TW202333806A (zh) 2021-12-20 2022-12-20 水系統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=)

Family Cites Families (14)

* 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
JP2014176799A (ja) * 2013-03-14 2014-09-25 Kurita Water Ind Ltd 逆浸透膜分離方法
JP6325658B2 (ja) * 2014-05-08 2018-05-16 オルガノ株式会社 ろ過処理方法
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
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
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
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
JP7250612B2 (ja) * 2018-12-27 2023-04-03 オルガノ株式会社 水系の殺菌方法、および水系のニトロソアミン化合物の除去方法
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
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
CN118339113A (zh) 2024-07-12
JP7495017B2 (ja) 2024-06-04
US20250051203A1 (en) 2025-02-13
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

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