DE3581790D1 - Zusammensetzungen fuer die kesselsteinverhuetung. - Google Patents
Zusammensetzungen fuer die kesselsteinverhuetung.Info
- Publication number
- DE3581790D1 DE3581790D1 DE8585308751T DE3581790T DE3581790D1 DE 3581790 D1 DE3581790 D1 DE 3581790D1 DE 8585308751 T DE8585308751 T DE 8585308751T DE 3581790 T DE3581790 T DE 3581790T DE 3581790 D1 DE3581790 D1 DE 3581790D1
- Authority
- DE
- Germany
- Prior art keywords
- compositions
- chalk
- prevention
- surfactant
- polyelectrolyte
- 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 - Fee Related
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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/677,660 US4589985A (en) | 1984-12-03 | 1984-12-03 | Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3581790D1 true DE3581790D1 (de) | 1991-03-28 |
Family
ID=24719640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585308751T Expired - Fee Related DE3581790D1 (de) | 1984-12-03 | 1985-12-02 | Zusammensetzungen fuer die kesselsteinverhuetung. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4589985A (de) |
EP (1) | EP0184414B1 (de) |
JP (1) | JPS61133199A (de) |
AT (1) | ATE60922T1 (de) |
AU (1) | AU588555B2 (de) |
CA (1) | CA1252685A (de) |
DE (1) | DE3581790D1 (de) |
NZ (1) | NZ214305A (de) |
ZA (1) | ZA859203B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4650591A (en) * | 1985-08-29 | 1987-03-17 | Calgon Corporation | Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors |
US4885097A (en) * | 1986-12-08 | 1989-12-05 | The B. F. Goodrich Company | Stabilization of metal ions with terpolymers containing styrene sulfonic acid |
US4952326A (en) * | 1986-12-08 | 1990-08-28 | The B. F. Goodrich Company | Dispersion of particulates in an aqueous medium |
US4889637A (en) * | 1986-12-08 | 1989-12-26 | Zahid Amjad | Scale control with terpolymers containing vinyl alcohol |
US4952327A (en) * | 1986-12-08 | 1990-08-28 | The B. F. Goodrich Company | Scale control with terpolymers containing styrene sulfonic acid |
EP0297049B1 (de) * | 1987-06-23 | 1991-01-16 | Ciba-Geigy Ag | Verhinderung von Ablagerungen |
NZ225541A (en) * | 1987-08-03 | 1991-04-26 | Calgon Corp | Inhibition of caco 3 scaling using a polymer/phosphonate mixture |
AU2213288A (en) * | 1987-09-24 | 1989-04-06 | Calgon Corporation | Method for controlling calcium carbonate scaling in high ph aqueous systems using carboxylic/sulfonic polymers |
US4784774A (en) * | 1987-10-08 | 1988-11-15 | The B. F. Goodrich Company | Compositions containing phosphonoalkane carboxylic acid for scale inhibition |
US4804476A (en) * | 1987-10-23 | 1989-02-14 | Calgon Corporation | Process for controlling calcium oxalate scale over a wide pH range |
US4931206A (en) * | 1988-03-15 | 1990-06-05 | Betz Laboratories, Inc. | Boiler water treatment composition |
US4952324A (en) * | 1988-03-15 | 1990-08-28 | Betz Laboratories, Inc. | Boiler water treatment |
US4828713A (en) * | 1988-03-15 | 1989-05-09 | Betz Laboratories, Inc. | Boiler water treatment |
US5055196A (en) * | 1988-12-22 | 1991-10-08 | Ensr Corporation | Extraction process to remove pcbs from soil and sludge |
US5286386A (en) * | 1988-12-22 | 1994-02-15 | Ensr Corporation | Solvent extraction process for treatment of oily substrates |
US5154831A (en) * | 1988-12-22 | 1992-10-13 | Ensr Corporation | Solvent extraction process employing comminuting and dispersing surfactants |
US4975202A (en) * | 1989-02-28 | 1990-12-04 | Betz Laboratories, Inc. | Surfactant stabilizer and method for boiler water |
US5512186A (en) * | 1995-04-28 | 1996-04-30 | Betz Laboratories, Inc. | Method for inhibiting microbial adhesion on surfaces |
DE19516957C2 (de) | 1995-05-12 | 2000-07-13 | Stockhausen Chem Fab Gmbh | Wasserlösliche Copolymere und Verfahren zu ihrer Herstellung und ihre Verwendung |
US5670055A (en) * | 1996-08-08 | 1997-09-23 | Nalco Chemical Company | Use of the linear alkylbenzene sulfonate as a biofouling control agent |
JP4689804B2 (ja) * | 1999-12-21 | 2011-05-25 | コダック株式会社 | ポジ画像形成方法及びそれに用いる現像液 |
ES2548181T3 (es) * | 2012-07-03 | 2015-10-14 | Ahlstrom Corporation | Papel dimensionalmente estable y método de producción del mismo |
US9969928B2 (en) * | 2014-07-02 | 2018-05-15 | Multi-Chem Group, Llc | Surfactant formulations and associated methods for reduced and delayed adsorption of the surfactant |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3578589A (en) * | 1969-03-17 | 1971-05-11 | Grace W R & Co | Method for treating cooling water |
US3692673A (en) * | 1971-02-12 | 1972-09-19 | Lubrizol Corp | Water-soluble sulfonate polymers as flocculants |
US3709815A (en) * | 1971-07-01 | 1973-01-09 | Calgon Corp | Boiler water treatment |
US3806367A (en) * | 1972-06-01 | 1974-04-23 | Bitz Lab Inc | Acrylamido-sulfonic acid polymers and their use as rust and tubercle removing agents |
US3898037A (en) * | 1972-06-01 | 1975-08-05 | Betz Laboratories | Acrylamido-sulfonic acid polymers and their use |
US3981779A (en) * | 1972-12-05 | 1976-09-21 | W. R. Grace & Co. | Inhibition of scale on saline water heat exchange surfaces with iminodiacetic acid compounds |
US3928196A (en) * | 1973-12-05 | 1975-12-23 | Calgon Corp | Inhibition of scale deposition |
US4062796A (en) * | 1973-12-10 | 1977-12-13 | Halliburton Company | Methods for inhibiting scale formation |
US3951793A (en) * | 1973-12-26 | 1976-04-20 | Texaco Inc. | Method for controlling scale |
IT1038850B (it) * | 1974-06-10 | 1979-11-30 | Grace W R & Co | Processo per il trattamento di acque |
US4029577A (en) * | 1975-11-17 | 1977-06-14 | Betz Laboratories, Inc. | Polymers for use in water treatment |
DE2614260C3 (de) * | 1976-04-02 | 1979-03-22 | Hoechst Ag, 6000 Frankfurt | Verfahren zum Konzentrieren und Entwässern von Mineralsuspensionen und Filterhilfsmittel |
US4118318A (en) * | 1976-10-26 | 1978-10-03 | Calgon Corporation | Gas scrubber scale and deposit control |
US4168230A (en) * | 1976-11-10 | 1979-09-18 | Nalco Chemical Company | Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water |
US4153549A (en) * | 1977-07-20 | 1979-05-08 | American Cyanamid Company | Sodium dialkyl sulfosuccinates as dewatering aids in the filtration of mineral concentrates |
JPS5594690A (en) * | 1979-01-11 | 1980-07-18 | Koei Kagaku Kogyo Kk | Method and agent for suppressing production of scale |
US4326980A (en) * | 1981-02-23 | 1982-04-27 | Betz Laboratories, Inc. | Acrylic copolymer composition inhibits scale formation and disperses oil in aqueous systems |
US4427568A (en) * | 1981-04-16 | 1984-01-24 | Betz Laboratories, Inc. | Composition for treating aqueous mediums |
US4324664A (en) * | 1981-04-16 | 1982-04-13 | Betz Laboratories, Inc. | Method and composition for treating aqueous mediums |
JPS5892499A (ja) * | 1981-11-28 | 1983-06-01 | Nippon Nohyaku Co Ltd | スケ−ル除去剤 |
CA1258963A (en) * | 1983-03-07 | 1989-09-05 | Bennett P. Boffardi | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
-
1984
- 1984-12-03 US US06/677,660 patent/US4589985A/en not_active Expired - Fee Related
-
1985
- 1985-11-25 NZ NZ214305A patent/NZ214305A/xx unknown
- 1985-11-25 CA CA000496135A patent/CA1252685A/en not_active Expired
- 1985-12-02 DE DE8585308751T patent/DE3581790D1/de not_active Expired - Fee Related
- 1985-12-02 AT AT85308751T patent/ATE60922T1/de not_active IP Right Cessation
- 1985-12-02 EP EP85308751A patent/EP0184414B1/de not_active Expired - Lifetime
- 1985-12-02 AU AU50552/85A patent/AU588555B2/en not_active Ceased
- 1985-12-02 ZA ZA859203A patent/ZA859203B/xx unknown
- 1985-12-03 JP JP60270867A patent/JPS61133199A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0184414A3 (en) | 1988-06-08 |
AU588555B2 (en) | 1989-09-21 |
NZ214305A (en) | 1989-04-26 |
JPS61133199A (ja) | 1986-06-20 |
EP0184414A2 (de) | 1986-06-11 |
AU5055285A (en) | 1986-06-12 |
CA1252685A (en) | 1989-04-18 |
ATE60922T1 (de) | 1991-03-15 |
ZA859203B (en) | 1986-07-30 |
EP0184414B1 (de) | 1991-02-20 |
US4589985A (en) | 1986-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |