JPH0630786B2 - 工業用水及び/又は家庭用水処理のためのスケ−ル及び沈殿抑制剤 - Google Patents
工業用水及び/又は家庭用水処理のためのスケ−ル及び沈殿抑制剤Info
- Publication number
- JPH0630786B2 JPH0630786B2 JP57170810A JP17081082A JPH0630786B2 JP H0630786 B2 JPH0630786 B2 JP H0630786B2 JP 57170810 A JP57170810 A JP 57170810A JP 17081082 A JP17081082 A JP 17081082A JP H0630786 B2 JPH0630786 B2 JP H0630786B2
- Authority
- JP
- Japan
- Prior art keywords
- scale
- molecular weight
- precipitation
- polymer
- inhibitor
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8119802 | 1981-10-20 | ||
| FR8119802A FR2514746B1 (fr) | 1981-10-20 | 1981-10-20 | Agent inhibiteur d'incrustations et de precipitation pour le traitement des eaux industrielles et/ou domestiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5876195A JPS5876195A (ja) | 1983-05-09 |
| JPH0630786B2 true JPH0630786B2 (ja) | 1994-04-27 |
Family
ID=9263266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57170810A Expired - Lifetime JPH0630786B2 (ja) | 1981-10-20 | 1982-09-29 | 工業用水及び/又は家庭用水処理のためのスケ−ル及び沈殿抑制剤 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4857622A (enExample) |
| JP (1) | JPH0630786B2 (enExample) |
| AU (1) | AU551916B2 (enExample) |
| CA (1) | CA1204040A (enExample) |
| CH (1) | CH651279A5 (enExample) |
| DE (1) | DE3238619A1 (enExample) |
| FR (1) | FR2514746B1 (enExample) |
| GB (1) | GB2109363B (enExample) |
| IT (1) | IT1155401B (enExample) |
| NO (1) | NO157732C (enExample) |
| SE (1) | SE8205455L (enExample) |
| ZA (1) | ZA826581B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0127388B1 (en) * | 1983-05-20 | 1986-12-30 | Ciba Specialty Chemicals Water Treatments Limited | Water soluble polymers |
| GB8419805D0 (en) * | 1984-08-03 | 1984-09-05 | Allied Colloids Ltd | Aqueous drilling and packer fluids |
| GB8428984D0 (en) * | 1984-11-16 | 1984-12-27 | Allied Colloids Ltd | Water soluble polymers |
| FR2574065B1 (fr) * | 1984-12-04 | 1987-05-07 | Bouet Philippe | Procede antitartre et agent antitartre pour sa mise en oeuvre |
| NZ221349A (en) * | 1986-08-15 | 1990-09-26 | Calgon Corp | Compositions for boiler scale inhibition comprising a low molecular weight (meth)acrylic acid polymer and a (meth)acrylic acid polymer more than double the molecular weight |
| US5055540A (en) * | 1990-02-06 | 1991-10-08 | Rohm And Haas Company | Process for efficient molecular weight control in copolymerization |
| WO2002006412A2 (en) * | 2000-07-17 | 2002-01-24 | Valspar Corporation | Hardenable compositions comprising polyacid(s) and polyol(s) |
| US6844406B2 (en) | 2000-10-04 | 2005-01-18 | Valspar Sourcing, Inc. | High functionality number, low molecular weight polymers and methods of making same |
| JP5510123B2 (ja) * | 2010-06-30 | 2014-06-04 | 三浦工業株式会社 | 蒸気ボイラの運転方法 |
| FR2972649B1 (fr) | 2011-03-18 | 2013-03-15 | Coatex Sas | Procede de broyage de carbonate de calcium dans l'eau en presence d'une solution de polymere acrylique et d'un sel alcalin de carbonate fabrique in situ dans ladite solution |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772775A (en) * | 1954-06-04 | 1957-04-17 | Monsanto Chemicals | A process for treating hard water |
| DE1808824A1 (de) * | 1967-11-17 | 1969-06-26 | Grace W R & Co | Verfahren zur Verhinderung von Verstopfungen in Kuehlsystemen oder Waermeaustauschern |
| US3578589A (en) * | 1969-03-17 | 1971-05-11 | Grace W R & Co | Method for treating cooling water |
| US3665035A (en) * | 1969-08-18 | 1972-05-23 | Milchem Inc | Acrylic composition for water treatment and process for making same |
| LU62270A1 (enExample) * | 1970-12-17 | 1972-08-23 | ||
| DE2211256C2 (de) * | 1972-03-09 | 1982-12-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Poly-α-oxy-acrylsäure |
| GB1414918A (en) * | 1973-02-14 | 1975-11-19 | Ciba Geigy Uk Ltd | Treatment of water to prevent the deposition of scale |
| US4075242A (en) * | 1973-07-18 | 1978-02-21 | Celanese Corporation | Low molecular weight acrylates or methacrylates |
| JPS5442035B2 (enExample) * | 1974-02-04 | 1979-12-12 | ||
| JPS53110981A (en) * | 1977-03-10 | 1978-09-28 | Kurita Water Ind Ltd | Scale inhibitor |
| DE2802709A1 (de) * | 1978-01-23 | 1979-07-26 | American Cyanamid Co | Verfahren zur bekaempfung der ablagerung von haftendem kesselstein und mittel zu seiner durchfuehrung |
-
1981
- 1981-10-20 FR FR8119802A patent/FR2514746B1/fr not_active Expired
-
1982
- 1982-09-08 ZA ZA826581A patent/ZA826581B/xx unknown
- 1982-09-09 CA CA000411112A patent/CA1204040A/fr not_active Expired
- 1982-09-22 AU AU88614/82A patent/AU551916B2/en not_active Ceased
- 1982-09-23 SE SE8205455A patent/SE8205455L/ not_active Application Discontinuation
- 1982-09-29 JP JP57170810A patent/JPH0630786B2/ja not_active Expired - Lifetime
- 1982-10-01 NO NO823316A patent/NO157732C/no unknown
- 1982-10-01 CH CH5810/82A patent/CH651279A5/fr not_active IP Right Cessation
- 1982-10-11 IT IT23691/82A patent/IT1155401B/it active
- 1982-10-19 GB GB08229810A patent/GB2109363B/en not_active Expired
- 1982-10-19 DE DE19823238619 patent/DE3238619A1/de active Granted
-
1987
- 1987-09-30 US US07/104,519 patent/US4857622A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2109363B (en) | 1985-07-24 |
| CA1204040A (fr) | 1986-05-06 |
| FR2514746B1 (fr) | 1985-05-31 |
| DE3238619A1 (de) | 1983-05-26 |
| AU551916B2 (en) | 1986-05-15 |
| NO157732B (no) | 1988-02-01 |
| CH651279A5 (fr) | 1985-09-13 |
| NO157732C (no) | 1988-05-11 |
| IT8223691A1 (it) | 1984-04-11 |
| IT8223691A0 (it) | 1982-10-11 |
| JPS5876195A (ja) | 1983-05-09 |
| SE8205455L (sv) | 1983-04-21 |
| SE8205455D0 (sv) | 1982-09-23 |
| ZA826581B (en) | 1983-07-27 |
| DE3238619C2 (enExample) | 1987-11-19 |
| US4857622A (en) | 1989-08-15 |
| AU8861482A (en) | 1983-04-28 |
| NO823316L (no) | 1983-04-21 |
| GB2109363A (en) | 1983-06-02 |
| IT1155401B (it) | 1987-01-28 |
| FR2514746A1 (fr) | 1983-04-22 |
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