CA1114595A - Traitement anticorrosion des eaux de chaudiere - Google Patents
Traitement anticorrosion des eaux de chaudiereInfo
- Publication number
- CA1114595A CA1114595A CA332,878A CA332878A CA1114595A CA 1114595 A CA1114595 A CA 1114595A CA 332878 A CA332878 A CA 332878A CA 1114595 A CA1114595 A CA 1114595A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- acid polymer
- organic acid
- phosphate
- ppm
- 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
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2627379A | 1979-04-02 | 1979-04-02 | |
US026,273 | 1979-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1114595A true CA1114595A (fr) | 1981-12-22 |
Family
ID=21830852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA332,878A Expired CA1114595A (fr) | 1979-04-02 | 1979-07-31 | Traitement anticorrosion des eaux de chaudiere |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0018083B1 (fr) |
AU (1) | AU532452B2 (fr) |
CA (1) | CA1114595A (fr) |
DE (1) | DE3070190D1 (fr) |
NZ (1) | NZ193147A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4303568A (en) * | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
CA1217691A (fr) | 1983-04-15 | 1987-02-10 | William M. Hann | Detartrage aux polymeres de faible masse moleculaire pour systemes aqueux |
US4814406A (en) * | 1986-02-28 | 1989-03-21 | Katayama Chemical Works Ltd. | Scale inhibitor |
US5273773A (en) * | 1987-07-06 | 1993-12-28 | Katayama Chemical Works Co., Ktd. | Protein partial degradation products |
US5274079A (en) * | 1987-07-27 | 1993-12-28 | Katayama Chemical Works Co., Ltd. | Protein partial degradation products that are useful as surface active agents and dispersing agents |
US5019342A (en) * | 1989-10-25 | 1991-05-28 | Betz Laboratories, Inc. | Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers |
US5141716A (en) * | 1989-10-25 | 1992-08-25 | Betz Laboratories, Inc. | Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers |
US5864596A (en) | 1996-07-10 | 1999-01-26 | Commonwealth Edison Company | Polymer dispersants and methods of use in a nuclear steam generator |
AU7872598A (en) * | 1996-12-23 | 1998-07-17 | Combustion Engineering Inc. | Feedwater pH control for steam generators |
JP2011174173A (ja) * | 2010-01-28 | 2011-09-08 | Kurita Water Ind Ltd | ボイラ用防食剤 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL242077A (fr) * | 1958-03-27 | |||
US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
US3992318A (en) * | 1973-10-09 | 1976-11-16 | Drew Chemical Corporation | Corrosion inhibitor |
-
1979
- 1979-07-31 CA CA332,878A patent/CA1114595A/fr not_active Expired
-
1980
- 1980-03-12 AU AU56366/80A patent/AU532452B2/en not_active Ceased
- 1980-03-17 NZ NZ19314780A patent/NZ193147A/xx unknown
- 1980-03-18 EP EP19800300809 patent/EP0018083B1/fr not_active Expired
- 1980-03-18 DE DE8080300809T patent/DE3070190D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0018083A1 (fr) | 1980-10-29 |
NZ193147A (en) | 1982-05-31 |
EP0018083B1 (fr) | 1985-02-20 |
DE3070190D1 (en) | 1985-03-28 |
AU532452B2 (en) | 1983-09-29 |
AU5636680A (en) | 1980-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |