BR8706119A - Composicao,e processo para inibir a precipitacao de crosta de fosfonato de calcio - Google Patents
Composicao,e processo para inibir a precipitacao de crosta de fosfonato de calcioInfo
- Publication number
- BR8706119A BR8706119A BR8706119A BR8706119A BR8706119A BR 8706119 A BR8706119 A BR 8706119A BR 8706119 A BR8706119 A BR 8706119A BR 8706119 A BR8706119 A BR 8706119A BR 8706119 A BR8706119 A BR 8706119A
- Authority
- BR
- Brazil
- Prior art keywords
- composition
- inhibit calcium
- calcium phosphonate
- precipitation
- cross
- 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
- 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)
- 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)
- Detergent Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92997186A | 1986-11-13 | 1986-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8706119A true BR8706119A (pt) | 1988-06-21 |
Family
ID=25458767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8706119A BR8706119A (pt) | 1986-11-13 | 1987-11-12 | Composicao,e processo para inibir a precipitacao de crosta de fosfonato de calcio |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0267597A3 (pt) |
JP (1) | JPS63137799A (pt) |
KR (1) | KR880006126A (pt) |
CN (1) | CN87107773A (pt) |
AU (1) | AU612603B2 (pt) |
BR (1) | BR8706119A (pt) |
DK (1) | DK593887A (pt) |
PT (1) | PT86123B (pt) |
ZA (1) | ZA878343B (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4904413A (en) * | 1986-03-26 | 1990-02-27 | Nalco Chemical Company | Cooling water corrosion control method and composition |
US4671934A (en) * | 1986-04-18 | 1987-06-09 | Buckman Laboratories, Inc. | Aminophosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium phosphate precipitation |
US4784774A (en) * | 1987-10-08 | 1988-11-15 | The B. F. Goodrich Company | Compositions containing phosphonoalkane carboxylic acid for scale inhibition |
US4759852A (en) * | 1987-10-15 | 1988-07-26 | Nalco Chemical Company | Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures |
US5035806A (en) * | 1989-05-15 | 1991-07-30 | Nalco Chemical Company | Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers |
ATE149148T1 (de) * | 1991-05-31 | 1997-03-15 | Calgon Corp | Polyether-polyamino-methylenphosphonaten zur kontrolle von ablagerungen bei hohem ph-wert |
US5433886A (en) * | 1992-05-07 | 1995-07-18 | Calgon Corporation | Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides |
US5358640A (en) * | 1992-07-20 | 1994-10-25 | Nalco Chemical Company | Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems |
ES2059273B1 (es) * | 1993-02-09 | 1995-10-01 | Miret Lab | Composiciones dispersantes e inhibidoras de la incrustacion y/o de la corrosion en circuitos de aguas industriales. |
CA2215395A1 (en) * | 1995-03-17 | 1996-09-26 | C. W. Yates | Scale control in aqueous industrial systems |
JP4373591B2 (ja) * | 2000-08-16 | 2009-11-25 | 伯東株式会社 | 古紙脱墨パルプ製造工程におけるスケール抑制方法 |
JP2002105891A (ja) * | 2000-10-04 | 2002-04-10 | Hakuto Co Ltd | 紙パルプ製造工程におけるスケール抑制方法 |
DE102005028460A1 (de) * | 2005-06-17 | 2006-12-28 | Basf Ag | Verwendung von Alkylenoxideinheiten enthaltenden Copolymeren als Zusatz zu wäßrigen Systemen |
US20090305934A1 (en) * | 2008-06-04 | 2009-12-10 | Creamer Marianne P | Polymers and their use for inhibition of scale build-up in automatic dishwashing applications |
MX342993B (es) | 2013-04-25 | 2016-10-13 | Inst Mexicano Del Petróleo | Proceso de obtencion de copolimeros aleatorios derivados del acido itaconico y/o sus isomeros y alquenil sulfonatos de sodio y uso del producto obtenido. |
CN108793441A (zh) * | 2017-07-26 | 2018-11-13 | 上海丰信环保科技有限公司 | 一种针对磷酸钙的环保阻垢剂 |
JP7183211B2 (ja) * | 2020-02-27 | 2022-12-05 | 栗田工業株式会社 | パルプ製造工程水系のカルシウム系スケール防止剤及びスケール防止方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2643422A1 (de) * | 1976-09-21 | 1978-03-30 | Kurita Water Ind Ltd | Wasserbehandlungsmittel und verfahren zur behandlung von wasser |
US4255259A (en) * | 1979-09-18 | 1981-03-10 | Chemed Corporation | Scale inhibition |
EP0122013B1 (en) * | 1983-03-07 | 1988-12-21 | Calgon Corporation | Polymeric additives for water |
JPS6146298A (ja) * | 1984-08-06 | 1986-03-06 | ザ ビー.エフ.グツドリツチ カンパニー | 硫酸ルシウム沈澱防止方法 |
US4575425A (en) * | 1984-12-24 | 1986-03-11 | Calgon Corporation | Process for controlling calcium oxalate scale over a wide pH range |
-
1987
- 1987-10-29 AU AU80496/87A patent/AU612603B2/en not_active Ceased
- 1987-11-06 ZA ZA878343A patent/ZA878343B/xx unknown
- 1987-11-11 EP EP87116647A patent/EP0267597A3/en not_active Withdrawn
- 1987-11-12 CN CN198787107773A patent/CN87107773A/zh active Pending
- 1987-11-12 DK DK593887A patent/DK593887A/da not_active Application Discontinuation
- 1987-11-12 BR BR8706119A patent/BR8706119A/pt unknown
- 1987-11-12 PT PT86123A patent/PT86123B/pt not_active IP Right Cessation
- 1987-11-12 JP JP62284394A patent/JPS63137799A/ja active Pending
- 1987-11-13 KR KR870012784A patent/KR880006126A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU612603B2 (en) | 1991-07-18 |
EP0267597A2 (en) | 1988-05-18 |
KR880006126A (ko) | 1988-07-21 |
DK593887D0 (da) | 1987-11-12 |
ZA878343B (en) | 1988-11-30 |
AU8049687A (en) | 1988-05-19 |
CN87107773A (zh) | 1988-06-15 |
DK593887A (da) | 1988-05-14 |
JPS63137799A (ja) | 1988-06-09 |
PT86123B (pt) | 1990-08-31 |
PT86123A (en) | 1987-12-01 |
EP0267597A3 (en) | 1989-03-08 |
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