JP7734752B2 - 水処理薬剤及び水処理膜 - Google Patents

水処理薬剤及び水処理膜

Info

Publication number
JP7734752B2
JP7734752B2 JP2023552805A JP2023552805A JP7734752B2 JP 7734752 B2 JP7734752 B2 JP 7734752B2 JP 2023552805 A JP2023552805 A JP 2023552805A JP 2023552805 A JP2023552805 A JP 2023552805A JP 7734752 B2 JP7734752 B2 JP 7734752B2
Authority
JP
Japan
Prior art keywords
water treatment
membrane
polymer
water
structural unit
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.)
Active
Application number
JP2023552805A
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English (en)
Japanese (ja)
Other versions
JPWO2023058485A1 (https=
Inventor
泰之 三好
弘康 渡部
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co 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
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
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

Links

Classifications

    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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 JPWO2023058485A1 (https=) 2023-04-13
JP7734752B2 true 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 (7)

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

Family Cites Families (2)

* 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPWO2023058485A1 (https=) 2023-04-13
CN118019574A (zh) 2024-05-10
US20240408549A1 (en) 2024-12-12
WO2023058485A1 (ja) 2023-04-13

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