NZ210446A - The controlling of scale in pressurised boilers by the use of polymeric compositions - Google Patents
The controlling of scale in pressurised boilers by the use of polymeric compositionsInfo
- Publication number
- NZ210446A NZ210446A NZ210446A NZ21044684A NZ210446A NZ 210446 A NZ210446 A NZ 210446A NZ 210446 A NZ210446 A NZ 210446A NZ 21044684 A NZ21044684 A NZ 21044684A NZ 210446 A NZ210446 A NZ 210446A
- Authority
- NZ
- New Zealand
- Prior art keywords
- copolymer
- water
- boiler
- calcium
- phosphate
- Prior art date
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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08332800A GB2152919B (en) | 1983-12-08 | 1983-12-08 | Method of controlling scale in pressurised boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ210446A true NZ210446A (en) | 1988-01-08 |
Family
ID=10553025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ210446A NZ210446A (en) | 1983-12-08 | 1984-12-05 | The controlling of scale in pressurised boilers by the use of polymeric compositions |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS60139397A (fr) |
| AU (1) | AU572235B2 (fr) |
| CA (1) | CA1233722A (fr) |
| DE (1) | DE3444679A1 (fr) |
| ES (1) | ES8601330A1 (fr) |
| FR (1) | FR2556334B1 (fr) |
| GB (1) | GB2152919B (fr) |
| IT (1) | IT1177376B (fr) |
| NL (1) | NL8403714A (fr) |
| NZ (1) | NZ210446A (fr) |
| PH (1) | PH21200A (fr) |
| SE (1) | SE456675B (fr) |
| ZA (1) | ZA849464B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600524A (en) * | 1983-12-08 | 1986-07-15 | W. R. Grace & Co. | Composition and method for inhibiting scale |
| GB8728162D0 (en) * | 1987-12-02 | 1988-01-06 | Albright & Wilson | Threshold treatment |
| DE68903070T2 (de) * | 1988-08-01 | 1993-04-22 | Calgon Corp | Verfahren zur kesselsteinbekaempfung mittels allylsulfonat-maleinsaeureanhydridpolymeren. |
| US6020297A (en) * | 1999-04-06 | 2000-02-01 | National Starch And Chemical Investment Holding Corporation | Colorless polymaleates and uses thereof in cleaning compositions |
| US6333005B1 (en) * | 1999-06-16 | 2001-12-25 | Hercules Incorporated | Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor |
| FI20096408A (fi) * | 2009-12-30 | 2011-07-01 | Kemira Oyj | Dispersioainekoostumus, sen käyttö ja sitä käsittävä päällystyskoostumus ja menetelmä päällystyskoostumuksen tai lietteen viskositeettiominaisuuksien parantamiseksi |
| AU2020472904A1 (en) * | 2020-10-25 | 2023-06-08 | Acquolina Il Mondo, Llc | Systems and methods for desalination of liquids |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639278A (en) * | 1967-12-27 | 1972-02-01 | Grace W R & Co | Composition and method for inhibiting and removing scale using glycolic acid and lignosulfonic acid |
| US3879288A (en) * | 1970-07-01 | 1975-04-22 | Frederick Herman Siegele | Process of inhibiting scale formation on walls of structures containing an aqueous system |
| GB1575173A (en) * | 1977-02-07 | 1980-09-17 | American Cyanamid Co | Mixtures of polycationic and polyanionic polymers for scale control |
| ZA793301B (en) * | 1978-09-25 | 1980-06-25 | American Cyanamid Co | Process for scale inhibition in evaporative desalination units |
| US4342652A (en) * | 1978-09-25 | 1982-08-03 | American Cyanamid Company | Process for scale inhibition in evaporative desalination units |
| JPS57174194A (en) * | 1981-04-17 | 1982-10-26 | Deiaaboon Chem Ltd | Treatment of aqueous system |
| DE3230291A1 (de) * | 1981-08-18 | 1983-03-03 | Dearborn Chemicals Ltd., Widnes, Cheshire | Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen |
| JPS5881494A (ja) * | 1981-11-11 | 1983-05-16 | Toagosei Chem Ind Co Ltd | 水処理剤組成物 |
| EP0122013B1 (fr) * | 1983-03-07 | 1988-12-21 | Calgon Corporation | Additifs polymères pour l'eau |
| JPS59162999A (ja) * | 1983-03-07 | 1984-09-13 | カルゴン・コ−ポレ−シヨン | カルボン酸／スルホン酸ポリマ−類を含有する相乗効果的なスケ−ルおよび腐食抑制混合剤 |
-
1983
- 1983-12-08 GB GB08332800A patent/GB2152919B/en not_active Expired
-
1984
- 1984-12-05 NZ NZ210446A patent/NZ210446A/en unknown
- 1984-12-05 ZA ZA849464A patent/ZA849464B/xx unknown
- 1984-12-06 NL NL8403714A patent/NL8403714A/nl not_active Application Discontinuation
- 1984-12-06 IT IT23950/84A patent/IT1177376B/it active
- 1984-12-06 SE SE8406203A patent/SE456675B/sv unknown
- 1984-12-06 AU AU36348/84A patent/AU572235B2/en not_active Ceased
- 1984-12-07 PH PH31551A patent/PH21200A/en unknown
- 1984-12-07 ES ES538357A patent/ES8601330A1/es not_active Expired
- 1984-12-07 JP JP59257766A patent/JPS60139397A/ja active Pending
- 1984-12-07 FR FR848418771A patent/FR2556334B1/fr not_active Expired - Lifetime
- 1984-12-07 CA CA000469567A patent/CA1233722A/fr not_active Expired
- 1984-12-07 DE DE19843444679 patent/DE3444679A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3444679A1 (de) | 1985-06-20 |
| GB2152919B (en) | 1987-08-26 |
| IT8423950A0 (it) | 1984-12-06 |
| GB2152919A (en) | 1985-08-14 |
| PH21200A (en) | 1987-08-19 |
| ZA849464B (en) | 1985-08-28 |
| IT1177376B (it) | 1987-08-26 |
| FR2556334A1 (fr) | 1985-06-14 |
| AU3634884A (en) | 1985-06-13 |
| SE8406203L (sv) | 1985-06-09 |
| DE3444679C2 (fr) | 1992-08-06 |
| ES538357A0 (es) | 1985-11-01 |
| GB8332800D0 (en) | 1984-01-18 |
| CA1233722A (fr) | 1988-03-08 |
| FR2556334B1 (fr) | 1990-05-04 |
| NL8403714A (nl) | 1985-07-01 |
| AU572235B2 (en) | 1988-05-05 |
| ES8601330A1 (es) | 1985-11-01 |
| SE456675B (sv) | 1988-10-24 |
| JPS60139397A (ja) | 1985-07-24 |
| SE8406203D0 (sv) | 1984-12-06 |
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