CA1331160C - Corrosion protection - Google Patents
Corrosion protectionInfo
- Publication number
- CA1331160C CA1331160C CA000542244A CA542244A CA1331160C CA 1331160 C CA1331160 C CA 1331160C CA 000542244 A CA000542244 A CA 000542244A CA 542244 A CA542244 A CA 542244A CA 1331160 C CA1331160 C CA 1331160C
- Authority
- CA
- Canada
- Prior art keywords
- anode
- substrate
- electrolyte
- barrier
- ion
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 20
- 230000007797 corrosion Effects 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 87
- 230000004888 barrier function Effects 0.000 claims abstract description 40
- 239000003792 electrolyte Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 27
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 239000011244 liquid electrolyte Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 3
- 239000011810 insulating material Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 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
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
-
- 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
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
-
- 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
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/16—Electrodes characterised by the combination of the structure and the material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88819886A | 1986-07-18 | 1986-07-18 | |
| US888,198 | 1986-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1331160C true CA1331160C (en) | 1994-08-02 |
Family
ID=25392719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000542244A Expired - Fee Related CA1331160C (en) | 1986-07-18 | 1987-07-16 | Corrosion protection |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP0488995B1 (de) |
| JP (1) | JPS6333587A (de) |
| AT (2) | ATE129529T1 (de) |
| CA (1) | CA1331160C (de) |
| DE (2) | DE3781735T2 (de) |
| ES (1) | ES2033852T3 (de) |
| NO (1) | NO177355C (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9426216D0 (en) * | 1994-12-23 | 1995-02-22 | Cathelco Ltd | Descaling ships ballast tanks |
| ES2119692B1 (es) * | 1996-07-12 | 1999-05-16 | Lopez Calleja Lopez Jose Luis | Dispositivo, sistema y procedimiento para aislar electricamente la estructura metalica de una embarcacion de una masa externa. |
| DE102014203659A1 (de) * | 2014-02-28 | 2015-09-03 | Siemens Aktiengesellschaft | Kühlvorrichtung für einen Konverter einer Hochspannungs-Gleichstrom-Übertragungsanlage |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022242A (en) * | 1959-01-23 | 1962-02-20 | Engelhard Ind Inc | Anode for cathodic protection systems |
| NL247246A (de) * | 1959-12-17 | 1900-01-01 | ||
| GB1108692A (en) * | 1964-04-17 | 1968-04-03 | Gordon Ian Russell | Method for installing cathodic protection against corrosion |
| NL6612237A (de) * | 1966-08-31 | 1968-03-01 | ||
| JPS5137263B1 (de) * | 1968-10-28 | 1976-10-14 | ||
| US4171254A (en) * | 1976-12-30 | 1979-10-16 | Exxon Research & Engineering Co. | Shielded anodes |
| US4318787A (en) * | 1980-02-22 | 1982-03-09 | Conoco Inc. | Sacrificial anode composition in cathodic protection process |
| US4457821A (en) * | 1983-01-17 | 1984-07-03 | Pennwalt Corporation | Cathodic protection apparatus for well coated metal vessels having a gross bare area |
-
1987
- 1987-07-16 CA CA000542244A patent/CA1331160C/en not_active Expired - Fee Related
- 1987-07-17 EP EP92103118A patent/EP0488995B1/de not_active Expired - Lifetime
- 1987-07-17 AT AT92103118T patent/ATE129529T1/de not_active IP Right Cessation
- 1987-07-17 AT AT87306336T patent/ATE80674T1/de active
- 1987-07-17 DE DE8787306336T patent/DE3781735T2/de not_active Expired - Fee Related
- 1987-07-17 ES ES198787306336T patent/ES2033852T3/es not_active Expired - Lifetime
- 1987-07-17 DE DE3751575T patent/DE3751575T2/de not_active Expired - Fee Related
- 1987-07-17 EP EP87306336A patent/EP0253671B1/de not_active Expired - Lifetime
- 1987-07-17 JP JP62179869A patent/JPS6333587A/ja active Pending
- 1987-07-20 NO NO873015A patent/NO177355C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO873015D0 (no) | 1987-07-20 |
| ATE129529T1 (de) | 1995-11-15 |
| EP0488995B1 (de) | 1995-10-25 |
| ES2033852T3 (es) | 1993-04-01 |
| DE3751575D1 (de) | 1995-11-30 |
| EP0253671A2 (de) | 1988-01-20 |
| NO177355B (no) | 1995-05-22 |
| EP0488995A3 (en) | 1992-07-01 |
| DE3751575T2 (de) | 1996-06-27 |
| DE3781735D1 (de) | 1992-10-22 |
| EP0488995A2 (de) | 1992-06-03 |
| JPS6333587A (ja) | 1988-02-13 |
| EP0253671A3 (en) | 1988-08-03 |
| EP0253671B1 (de) | 1992-09-16 |
| DE3781735T2 (de) | 1993-04-22 |
| ATE80674T1 (de) | 1992-10-15 |
| NO177355C (no) | 1995-09-06 |
| NO873015L (no) | 1988-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |