CN118019574A - 水处理药剂和水处理膜 - Google Patents

水处理药剂和水处理膜 Download PDF

Info

Publication number
CN118019574A
CN118019574A CN202280065452.0A CN202280065452A CN118019574A CN 118019574 A CN118019574 A CN 118019574A CN 202280065452 A CN202280065452 A CN 202280065452A CN 118019574 A CN118019574 A CN 118019574A
Authority
CN
China
Prior art keywords
water treatment
membrane
treatment agent
structural unit
water
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
CN202280065452.0A
Other languages
English (en)
Chinese (zh)
Inventor
三好泰之
渡部弘康
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 CN118019574A publication Critical patent/CN118019574A/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
    • C02F1/44—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)
CN202280065452.0A 2021-10-06 2022-09-26 水处理药剂和水处理膜 Pending CN118019574A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021164608 2021-10-06
JP2021-164608 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 (1)

Publication Number Publication Date
CN118019574A true CN118019574A (zh) 2024-05-10

Family

ID=85804239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280065452.0A Pending CN118019574A (zh) 2021-10-06 2022-09-26 水处理药剂和水处理膜

Country Status (4)

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

Family Cites Families (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
JP4030469B2 (ja) * 2003-06-04 2008-01-09 株式会社日本触媒 固体を懸濁状態で含む高硬度液の凝集処理方法
JP5215677B2 (ja) * 2008-01-21 2013-06-19 倉敷紡績株式会社 多孔質フィルターカートリッジ
EP2303438B1 (en) * 2008-06-30 2020-06-03 3M Innovative Properties Company Method of forming a rewettable asymmetric membrane
JP6998708B2 (ja) * 2017-09-05 2022-01-18 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
JP7335123B2 (ja) * 2019-10-07 2023-08-29 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
JPWO2023058485A1 (https=) 2023-04-13
US20240408549A1 (en) 2024-12-12
WO2023058485A1 (ja) 2023-04-13

Similar Documents

Publication Publication Date Title
JP7280857B2 (ja) 被覆された多孔質ポリマー膜
CN101652326B (zh) 逆渗透膜处理方法
JP4297516B2 (ja) 微孔性膜およびその使用
US5531900A (en) Modification of polyvinylidene fluoride membrane and method of filtering
US8528746B2 (en) Method of manufacturing hydrophilic membrane having improved antifouling property and hydrophilic membrane manufactured by the method
JP5055652B2 (ja) 含フッ素界面活性剤の回収方法
KR101630208B1 (ko) 친수성 분리막의 제조방법 및 상기 방법으로 제조된 친수성 분리막
CN111871235B (zh) 一种复合反渗透膜及其制备方法和应用
JP6022827B2 (ja) ポリアミド逆浸透膜用の表面処理剤
CN102423646B (zh) 一种用于分离有机物和盐的纳滤膜及其制备方法
US12458930B2 (en) Scaling-resistant and yellowing-resistant reverse osmosis composite membrane and preparation method thereof
EP4149580A1 (en) Cross-linkable zwitterionic polymers and their use in membrane filters
JP6303837B2 (ja) 逆浸透膜の耐汚染化処理方法
CN118019574A (zh) 水处理药剂和水处理膜
JP6066804B2 (ja) 有機性廃水の処理方法
JP6998708B2 (ja) ファウリング抑制能付与剤
JP2014176345A (ja) 減塩醤油の製造方法
CN113490540B (zh) 结垢抑制能力赋予剂和使用了该结垢抑制能力赋予剂的水处理膜
AU2023272553A1 (en) Cross-linkable and charged zwitterionic polymers and membranes comprising same
JP2871088B2 (ja) 耐塩素性ポリエステル半透膜の製造法
JP2018130671A (ja) 表面修飾多孔質膜およびその製造方法
JP2018134567A (ja) 排水処理装置および排水処理方法
JP2014237092A (ja) 脱イオン水の製造方法

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