KR20240125568A - 수계의 미생물 오염 억제 방법 - Google Patents

수계의 미생물 오염 억제 방법 Download PDF

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Publication number
KR20240125568A
KR20240125568A KR1020247019248A KR20247019248A KR20240125568A KR 20240125568 A KR20240125568 A KR 20240125568A KR 1020247019248 A KR1020247019248 A KR 1020247019248A KR 20247019248 A KR20247019248 A KR 20247019248A KR 20240125568 A KR20240125568 A KR 20240125568A
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KR
South Korea
Prior art keywords
oxidizer
chlorine
stabilized
bromine
sulfamic acid
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Pending
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KR1020247019248A
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English (en)
Korean (ko)
Inventor
유타 오츠카
지카노 심포
고우 나카가와
준이치 다카하시
구니히로 하야카와
Original Assignee
쿠리타 고교 가부시키가이샤
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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=KR20240125568(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 쿠리타 고교 가부시키가이샤 filed Critical 쿠리타 고교 가부시키가이샤
Publication of KR20240125568A publication Critical patent/KR20240125568A/ko
Pending legal-status Critical Current

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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
    • 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

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  • 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)
KR1020247019248A 2021-12-20 2022-12-15 수계의 미생물 오염 억제 방법 Pending KR20240125568A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021205981 2021-12-20
JPJP-P-2021-205981 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
KR20240125568A true KR20240125568A (ko) 2024-08-19

Family

ID=86902499

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247019248A Pending KR20240125568A (ko) 2021-12-20 2022-12-15 수계의 미생물 오염 억제 방법

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104310A (ja) 1987-10-14 1989-04-21 Kurita Water Ind Ltd 膜分離方法
JPH01135506A (ja) 1987-11-20 1989-05-29 Toray Ind Inc 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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104310A (ja) 1987-10-14 1989-04-21 Kurita Water Ind Ltd 膜分離方法
JPH01135506A (ja) 1987-11-20 1989-05-29 Toray Ind Inc 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Water Solutions "FilmTecTM Reverse Osmosis Membranes Technical Manual" Form No. 45-DO1504-en, Rev. 7, February 2021 [인터넷] <https : //www.dupont.com/content/dam/dupont/amer/us/en/water-solutions/public/documents/en/45-D01504-en. pdf#page64>69 페이지

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Publication number Publication date
CN118339113A (zh) 2024-07-12
JP7495017B2 (ja) 2024-06-04
US20250051203A1 (en) 2025-02-13
TW202333806A (zh) 2023-09-01
JPWO2023120350A1 (https=) 2023-06-29
WO2023120350A1 (ja) 2023-06-29
EP4455097A1 (en) 2024-10-30
EP4455097A4 (en) 2025-10-15

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PA0105 International application

Patent event date: 20240610

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application