CA3220251A1 - Use of polymers of acrylic acid for scale inhibition in desalination systems - Google Patents

Use of polymers of acrylic acid for scale inhibition in desalination systems Download PDF

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Publication number
CA3220251A1
CA3220251A1 CA3220251A CA3220251A CA3220251A1 CA 3220251 A1 CA3220251 A1 CA 3220251A1 CA 3220251 A CA3220251 A CA 3220251A CA 3220251 A CA3220251 A CA 3220251A CA 3220251 A1 CA3220251 A1 CA 3220251A1
Authority
CA
Canada
Prior art keywords
acrylic acid
solution
aqueous
polymer
hypophosphite
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
CA3220251A
Other languages
English (en)
French (fr)
Inventor
Ahmet Uener
Stephan Nied
Juergen Detering
Achim Fessenbecker
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of CA3220251A1 publication Critical patent/CA3220251A1/en
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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/042—Prevention of deposits
    • 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
    • C02F5/14—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 phosphorus
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/06—Flash evaporation
    • 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/44—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)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA3220251A 2021-05-24 2022-05-23 Use of polymers of acrylic acid for scale inhibition in desalination systems Pending CA3220251A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21175531.9 2021-05-24
EP21175531 2021-05-24
PCT/EP2022/063836 WO2022248379A1 (en) 2021-05-24 2022-05-23 Use of polymers of acrylic acid for scale inhibition in desalination systems

Publications (1)

Publication Number Publication Date
CA3220251A1 true CA3220251A1 (en) 2022-12-01

Family

ID=76076264

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3220251A Pending CA3220251A1 (en) 2021-05-24 2022-05-23 Use of polymers of acrylic acid for scale inhibition in desalination systems

Country Status (9)

Country Link
US (1) US20240228348A1 (enExample)
EP (1) EP4347512A1 (enExample)
JP (1) JP2024520356A (enExample)
KR (1) KR20240013123A (enExample)
CN (1) CN117396441A (enExample)
BR (1) BR112023024411A2 (enExample)
CA (1) CA3220251A1 (enExample)
MX (1) MX2023013911A (enExample)
WO (1) WO2022248379A1 (enExample)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1218952A (en) 1967-04-21 1971-01-13 Grace W R & Co Treatment of saline water to inhibit scale formation
US4072607A (en) 1976-10-26 1978-02-07 American Cyanamid Company Preparation of anionic polymers for use as scale inhibitors and anti-precipitants
US4164521A (en) 1977-02-07 1979-08-14 American Cyanamid Company Mixtures of polycationic and polyanionic polymers for scale control
US4634532A (en) 1984-05-12 1987-01-06 Calgon Corporation Orthophosphate-containing desalination scale inhibitors
US6335404B1 (en) * 1994-04-05 2002-01-01 Rohm And Haas Company Aqueous process for preparing aqueous weight carboxyl containing polymers
US8889033B2 (en) 2011-02-04 2014-11-18 Basf Se Low molecular weight phosphorus-containing polyacrylic acids and use thereof as scale inhibitors in water-carrying systems
US20120202937A1 (en) * 2011-02-04 2012-08-09 Basf Se Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants
CN103347600B (zh) 2011-02-04 2016-04-20 巴斯夫欧洲公司 低分子量含磷聚丙烯酸及其在输水体系中作为水垢抑制剂的用途
CN103896414B (zh) * 2014-04-18 2015-05-20 威海翔宇环保科技股份有限公司 海水淡化热法用阻垢剂
CN108602901B (zh) 2016-02-04 2021-01-15 巴斯夫欧洲公司 制备丙烯酸聚合物的方法

Also Published As

Publication number Publication date
CN117396441A (zh) 2024-01-12
EP4347512A1 (en) 2024-04-10
JP2024520356A (ja) 2024-05-24
MX2023013911A (es) 2023-12-08
BR112023024411A2 (pt) 2024-02-20
WO2022248379A1 (en) 2022-12-01
US20240228348A1 (en) 2024-07-11
KR20240013123A (ko) 2024-01-30

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