JPWO2023058485A1 - - Google Patents

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Publication number
JPWO2023058485A1
JPWO2023058485A1 JP2023552805A JP2023552805A JPWO2023058485A1 JP WO2023058485 A1 JPWO2023058485 A1 JP WO2023058485A1 JP 2023552805 A JP2023552805 A JP 2023552805A JP 2023552805 A JP2023552805 A JP 2023552805A JP WO2023058485 A1 JPWO2023058485 A1 JP WO2023058485A1
Authority
JP
Japan
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.)
Granted
Application number
JP2023552805A
Other languages
Japanese (ja)
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JP7734752B2 (ja
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
Application filed filed Critical
Publication of JPWO2023058485A1 publication Critical patent/JPWO2023058485A1/ja
Application granted granted Critical
Publication of JP7734752B2 publication Critical patent/JP7734752B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • 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
    • B01D2321/281—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by applying a special coating to the membrane or to any module element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/28—Degradation or stability over time
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2023552805A 2021-10-06 2022-09-26 水処理薬剤及び水処理膜 Active JP7734752B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021164608 2021-10-06
JP2021164608 2021-10-06
PCT/JP2022/035684 WO2023058485A1 (ja) 2021-10-06 2022-09-26 水処理薬剤及び水処理膜

Publications (2)

Publication Number Publication Date
JPWO2023058485A1 true JPWO2023058485A1 (https=) 2023-04-13
JP7734752B2 JP7734752B2 (ja) 2025-09-05

Family

ID=85804239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023552805A Active JP7734752B2 (ja) 2021-10-06 2022-09-26 水処理薬剤及び水処理膜

Country Status (4)

Country Link
US (1) US20240408549A1 (https=)
JP (1) JP7734752B2 (https=)
CN (1) CN118019574A (https=)
WO (1) WO2023058485A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09141090A (ja) * 1995-11-22 1997-06-03 Dainippon Ink & Chem Inc 多孔質膜で表面を被覆されたゲルおよびその製造方法
JPH09168737A (ja) * 1995-10-20 1997-06-30 Nippon Shokubai Co Ltd 界面活性剤の吸着剤および吸着方法
JP2004358357A (ja) * 2003-06-04 2004-12-24 Nippon Shokubai Co Ltd 固体を懸濁状態で含む高硬度液の凝集処理方法
JP2009172454A (ja) * 2008-01-21 2009-08-06 Fujifilm Corp 多孔質フィルターカートリッジ
JP2011526830A (ja) * 2008-06-30 2011-10-20 スリーエム イノベイティブ プロパティズ カンパニー 再湿潤可能な非対称な膜の形成方法
JP2019042689A (ja) * 2017-09-05 2019-03-22 株式会社日本触媒 ファウリング抑制能付与剤
WO2020152969A1 (ja) * 2019-01-25 2020-07-30 株式会社日本触媒 共重合体、水性溶液、架橋体、光硬化性組成物、塗膜、医療用具用材料及び医療用具
WO2021065910A1 (ja) * 2019-09-30 2021-04-08 株式会社日本触媒 共重合体を含む洗剤用添加剤、ソイルリリース剤、微生物付着防止剤、繊維処理剤、水処理薬剤配合物及び塗料配合物
JP2021059662A (ja) * 2019-10-07 2021-04-15 株式会社日本触媒 樹脂組成物、硬化性組成物、塗膜付き物品、塗膜付き物品の製造方法、コーティング剤及び積層塗膜付き基材の製造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09168737A (ja) * 1995-10-20 1997-06-30 Nippon Shokubai Co Ltd 界面活性剤の吸着剤および吸着方法
JPH09141090A (ja) * 1995-11-22 1997-06-03 Dainippon Ink & Chem Inc 多孔質膜で表面を被覆されたゲルおよびその製造方法
JP2004358357A (ja) * 2003-06-04 2004-12-24 Nippon Shokubai Co Ltd 固体を懸濁状態で含む高硬度液の凝集処理方法
JP2009172454A (ja) * 2008-01-21 2009-08-06 Fujifilm Corp 多孔質フィルターカートリッジ
JP2011526830A (ja) * 2008-06-30 2011-10-20 スリーエム イノベイティブ プロパティズ カンパニー 再湿潤可能な非対称な膜の形成方法
JP2019042689A (ja) * 2017-09-05 2019-03-22 株式会社日本触媒 ファウリング抑制能付与剤
WO2020152969A1 (ja) * 2019-01-25 2020-07-30 株式会社日本触媒 共重合体、水性溶液、架橋体、光硬化性組成物、塗膜、医療用具用材料及び医療用具
WO2021065910A1 (ja) * 2019-09-30 2021-04-08 株式会社日本触媒 共重合体を含む洗剤用添加剤、ソイルリリース剤、微生物付着防止剤、繊維処理剤、水処理薬剤配合物及び塗料配合物
JP2021059662A (ja) * 2019-10-07 2021-04-15 株式会社日本触媒 樹脂組成物、硬化性組成物、塗膜付き物品、塗膜付き物品の製造方法、コーティング剤及び積層塗膜付き基材の製造方法

Also Published As

Publication number Publication date
JP7734752B2 (ja) 2025-09-05
CN118019574A (zh) 2024-05-10
US20240408549A1 (en) 2024-12-12
WO2023058485A1 (ja) 2023-04-13

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