JP2024520356A - 淡水化システムにおいてスケールを抑制するためのアクリル酸のポリマーの使用 - Google Patents
淡水化システムにおいてスケールを抑制するためのアクリル酸のポリマーの使用 Download PDFInfo
- Publication number
- JP2024520356A JP2024520356A JP2023571861A JP2023571861A JP2024520356A JP 2024520356 A JP2024520356 A JP 2024520356A JP 2023571861 A JP2023571861 A JP 2023571861A JP 2023571861 A JP2023571861 A JP 2023571861A JP 2024520356 A JP2024520356 A JP 2024520356A
- Authority
- JP
- Japan
- 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.)
- Withdrawn
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)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| JP2024520356A true JP2024520356A (ja) | 2024-05-24 |
| JP2024520356A5 JP2024520356A5 (https=) | 2025-05-28 |
Family
ID=76076264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023571861A Withdrawn JP2024520356A (ja) | 2021-05-24 | 2022-05-23 | 淡水化システムにおいてスケールを抑制するためのアクリル酸のポリマーの使用 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20240228348A1 (https=) |
| EP (1) | EP4347512A1 (https=) |
| JP (1) | JP2024520356A (https=) |
| KR (1) | KR20240013123A (https=) |
| CN (1) | CN117396441A (https=) |
| BR (1) | BR112023024411A2 (https=) |
| CA (1) | CA3220251A1 (https=) |
| MX (1) | MX2023013911A (https=) |
| WO (1) | WO2022248379A1 (https=) |
Family Cites Families (10)
| 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 |
| KR101941431B1 (ko) * | 2011-02-04 | 2019-01-23 | 바스프 에스이 | 저분자량의 인-함유 폴리아크릴산 및 물 공급 시스템에서의 스케일 억제제로서의 이의 용도 |
| 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 |
| 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 |
| EP3411416B1 (de) | 2016-02-04 | 2020-04-08 | Basf Se | Verfahren zur herstellung von acrylsäure-polymeren |
-
2022
- 2022-05-23 WO PCT/EP2022/063836 patent/WO2022248379A1/en not_active Ceased
- 2022-05-23 CA CA3220251A patent/CA3220251A1/en active Pending
- 2022-05-23 CN CN202280037821.5A patent/CN117396441A/zh active Pending
- 2022-05-23 US US18/561,441 patent/US20240228348A1/en active Pending
- 2022-05-23 BR BR112023024411A patent/BR112023024411A2/pt unknown
- 2022-05-23 MX MX2023013911A patent/MX2023013911A/es unknown
- 2022-05-23 JP JP2023571861A patent/JP2024520356A/ja not_active Withdrawn
- 2022-05-23 EP EP22729720.7A patent/EP4347512A1/en active Pending
- 2022-05-23 KR KR1020237040508A patent/KR20240013123A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP4347512A1 (en) | 2024-04-10 |
| CA3220251A1 (en) | 2022-12-01 |
| US20240228348A1 (en) | 2024-07-11 |
| MX2023013911A (es) | 2023-12-08 |
| KR20240013123A (ko) | 2024-01-30 |
| WO2022248379A1 (en) | 2022-12-01 |
| BR112023024411A2 (pt) | 2024-02-20 |
| CN117396441A (zh) | 2024-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20250520 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250520 |
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| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20250901 |