CA2107791A1 - Methode et composition pour inhiber la corrosion par piqures et la corrosion en general dans un refroidisseur d'eau - Google Patents
Methode et composition pour inhiber la corrosion par piqures et la corrosion en general dans un refroidisseur d'eauInfo
- Publication number
- CA2107791A1 CA2107791A1 CA002107791A CA2107791A CA2107791A1 CA 2107791 A1 CA2107791 A1 CA 2107791A1 CA 002107791 A CA002107791 A CA 002107791A CA 2107791 A CA2107791 A CA 2107791A CA 2107791 A1 CA2107791 A1 CA 2107791A1
- Authority
- CA
- Canada
- Prior art keywords
- cooling tower
- composition
- pitting corrosion
- tower water
- water
- 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.)
- Granted
Links
- 238000005260 corrosion Methods 0.000 title abstract 4
- 230000007797 corrosion Effects 0.000 title abstract 4
- 230000002401 inhibitory effect Effects 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 4
- 238000001816 cooling Methods 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- 229910000975 Carbon steel Inorganic materials 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000010962 carbon steel Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
- C23F11/187—Mixtures of inorganic inhibitors
- C23F11/188—Mixtures of inorganic inhibitors containing phosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68508791A | 1991-04-12 | 1991-04-12 | |
| US685,087 | 1991-04-12 | ||
| PCT/US1992/002862 WO1992018665A1 (fr) | 1991-04-12 | 1992-04-09 | Procede et composition servant a inhiber une corrosion generalisee et la piqure de corrosion dans une tour de refrigeration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2107791A1 true CA2107791A1 (fr) | 1992-10-13 |
| CA2107791C CA2107791C (fr) | 2002-03-12 |
Family
ID=24750727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002107791A Expired - Fee Related CA2107791C (fr) | 1991-04-12 | 1992-04-09 | Methode et composition pour inhiber la corrosion par piqures et la corrosion en general dans un refroidisseur d'eau |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0660887A1 (fr) |
| KR (1) | KR970001009B1 (fr) |
| AU (1) | AU660027B2 (fr) |
| CA (1) | CA2107791C (fr) |
| GB (1) | GB2271107B (fr) |
| RO (1) | RO109562B1 (fr) |
| WO (1) | WO1992018665A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2272431B (en) * | 1992-08-17 | 1997-04-09 | Grace W R & Co | Inhibition of corrosion in aqueous systems |
| US5602888A (en) * | 1993-10-29 | 1997-02-11 | General Electric Company | Radiation-induced palladium doping of metals to protect against stress corrosion cracking |
| US5608766A (en) * | 1993-10-29 | 1997-03-04 | General Electric Company | Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| US5600692A (en) * | 1993-10-29 | 1997-02-04 | General Electric Company | Method for improving tenacity and loading of palladium on palladium-doped metal surfaces |
| US5600691A (en) * | 1993-10-29 | 1997-02-04 | General Electric Company | Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals |
| US5773096A (en) * | 1993-10-29 | 1998-06-30 | General Electric Company | Method of catalyst preparation by high-temperature hydrothermal incorporation of noble metals onto surfaces and matrices |
| US5818893A (en) * | 1993-10-29 | 1998-10-06 | General Electric Company | In-situ palladium doping or coating of stainless steel surfaces |
| US5625656A (en) * | 1993-10-29 | 1997-04-29 | General Electric Company | Method for monitoring noble metal distribution in reactor circuit during plant application |
| TW253058B (en) * | 1994-03-10 | 1995-08-01 | Gen Electric | Method of doping or coating metal surfaces with metallic elements to improve oxide film insulating characteristics |
| KR102093142B1 (ko) | 2017-12-08 | 2020-05-27 | (주) 시온텍 | 냉각수 정화장치 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176059A (en) * | 1978-06-08 | 1979-11-27 | Quatic Chemicals Limited | Anti-corrosion composition for use in aqueous systems |
| US4409121A (en) * | 1980-07-21 | 1983-10-11 | Uop Inc. | Corrosion inhibitors |
| US4440721A (en) * | 1981-10-26 | 1984-04-03 | Basf Wyandotte Corporation | Aqueous liquids containing metal cavitation-erosion corrosion inhibitors |
| US4711725A (en) * | 1985-06-26 | 1987-12-08 | Rohm And Haas Co. | Method of stabilizing aqueous systems |
| US4867944A (en) * | 1988-01-13 | 1989-09-19 | Gulf Coast Performance Chemical, Inc. | Method of preventing corrosion by contaminated cooling tower waters |
| FR2627511B1 (fr) * | 1988-02-18 | 1993-07-09 | Gaz De France | Inhibiteurs de corrosion des aciers et compositions aqueuses d'halogenure de metal alcalin les contenant |
| US5002697A (en) * | 1988-03-15 | 1991-03-26 | Nalco Chemical Company | Molybdate-containing corrosion inhibitors |
| NZ228751A (en) * | 1988-04-21 | 1991-10-25 | Calgon Corp | Composition and method for inhibiting corrosion in an aqueous system comprising a molybdate, a carboxylic acid/sulphonic acid polymer and a polyphosphoric acid or ester |
| US4798683A (en) * | 1988-04-21 | 1989-01-17 | Calgon Corporation | Method for controlling corrosion using molybdate compositions |
-
1992
- 1992-04-09 AU AU18794/92A patent/AU660027B2/en not_active Ceased
- 1992-04-09 KR KR1019930703111A patent/KR970001009B1/ko not_active IP Right Cessation
- 1992-04-09 EP EP92922768A patent/EP0660887A1/fr not_active Withdrawn
- 1992-04-09 RO RO93-01348A patent/RO109562B1/ro unknown
- 1992-04-09 CA CA002107791A patent/CA2107791C/fr not_active Expired - Fee Related
- 1992-04-09 WO PCT/US1992/002862 patent/WO1992018665A1/fr not_active Application Discontinuation
-
1993
- 1993-10-08 GB GB9320754A patent/GB2271107B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0660887A4 (fr) | 1994-08-19 |
| EP0660887A1 (fr) | 1995-07-05 |
| GB9320754D0 (en) | 1994-01-26 |
| WO1992018665A1 (fr) | 1992-10-29 |
| CA2107791C (fr) | 2002-03-12 |
| GB2271107B (en) | 1995-02-22 |
| AU1879492A (en) | 1992-11-17 |
| RO109562B1 (ro) | 1995-03-30 |
| GB2271107A (en) | 1994-04-06 |
| AU660027B2 (en) | 1995-06-08 |
| KR970001009B1 (ko) | 1997-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |