GB1558623A - Protection from corrosion of steel equipment in which alkali metal hydroxide solutions are handled - Google Patents
Protection from corrosion of steel equipment in which alkali metal hydroxide solutions are handled Download PDFInfo
- Publication number
- GB1558623A GB1558623A GB41924/76A GB4192476A GB1558623A GB 1558623 A GB1558623 A GB 1558623A GB 41924/76 A GB41924/76 A GB 41924/76A GB 4192476 A GB4192476 A GB 4192476A GB 1558623 A GB1558623 A GB 1558623A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- alkali metal
- equipment
- maintained
- potential
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims description 32
- 239000010959 steel Substances 0.000 title claims description 32
- 150000008044 alkali metal hydroxides Chemical class 0.000 title claims description 12
- 238000005260 corrosion Methods 0.000 title description 22
- 230000007797 corrosion Effects 0.000 title description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 32
- 239000000243 solution Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 239000011780 sodium chloride Substances 0.000 claims description 16
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 6
- 150000008045 alkali metal halides Chemical class 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 4
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 3
- 239000012267 brine Substances 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005554 pickling Methods 0.000 description 33
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 150000004820 halides Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- -1 nitrate ions Chemical class 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical class [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- 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
- C23F13/005—Anodic protection
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Prevention Of Electric Corrosion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7531214A FR2327326A1 (fr) | 1975-10-08 | 1975-10-08 | Procede pour la manutention de solutions aqueuses d'hydroxydes de metaux alcalins concentrees en halogenures de metaux alcalins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1558623A true GB1558623A (en) | 1980-01-09 |
Family
ID=9161105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB41924/76A Expired GB1558623A (en) | 1975-10-08 | 1976-10-08 | Protection from corrosion of steel equipment in which alkali metal hydroxide solutions are handled |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4110181A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS5246395A (cg-RX-API-DMAC10.html) |
| BE (1) | BE846909A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2644445A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2327326A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1558623A (cg-RX-API-DMAC10.html) |
| IT (1) | IT1068540B (cg-RX-API-DMAC10.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285787A (en) * | 1980-03-20 | 1981-08-25 | Pulp And Paper Research Institute Of Canada | Electrochemical corrosion protection of stainless steel bleach plant washers |
| US4545873A (en) * | 1982-01-19 | 1985-10-08 | Ciba-Geigy Ag | Vessel for an unstable solution of a metal salt or complex and method for sealing such vessel |
| US6669837B1 (en) * | 2002-12-17 | 2003-12-30 | Sunbelt Chlor Alkali Partnership | Alkali metal hydroxide evaporator system |
| EP3075883B1 (en) | 2015-03-31 | 2023-09-20 | Mitsubishi Electric Corporation | Method for corrosion inhibition |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2366796A (en) * | 1941-02-28 | 1945-01-09 | Solvay Process Co | Preventing corrosion of ferrous metals by ammoniacal solutions of ammonium nitrate |
| US2681884A (en) * | 1950-02-03 | 1954-06-22 | Diamond Alkali Co | Brine electrolysis |
| US2954333A (en) * | 1957-07-11 | 1960-09-27 | Columbia Southern Chem Corp | Method of electrolyzing brine |
| US3009865A (en) * | 1958-06-02 | 1961-11-21 | Mueller Walter Adolf | Anodic protection of kraft digesters |
| SU136148A1 (ru) * | 1959-12-12 | 1960-11-30 | Л.И. Каданер | Способ пассивации стальных и железных деталей перед нанесением гальванических покрытий |
| NL266652A (cg-RX-API-DMAC10.html) * | 1960-07-11 | |||
| US3250691A (en) * | 1962-05-28 | 1966-05-10 | Pittsburgh Plate Glass Co | Electrolytic process of decomposing an alkali metal chloride |
| US3375183A (en) * | 1964-09-23 | 1968-03-26 | Continental Oil Co | Apparatus for minimizing corrosion of metals |
| US3409526A (en) * | 1965-08-13 | 1968-11-05 | Continental Oil Co | Method and apparatus for corrosion protection |
-
1975
- 1975-10-08 FR FR7531214A patent/FR2327326A1/fr active Granted
-
1976
- 1976-09-27 US US05/727,011 patent/US4110181A/en not_active Expired - Lifetime
- 1976-10-01 DE DE19762644445 patent/DE2644445A1/de not_active Withdrawn
- 1976-10-04 BE BE171208A patent/BE846909A/xx unknown
- 1976-10-08 JP JP51120471A patent/JPS5246395A/ja active Pending
- 1976-10-08 IT IT28156/76A patent/IT1068540B/it active
- 1976-10-08 GB GB41924/76A patent/GB1558623A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2327326B1 (cg-RX-API-DMAC10.html) | 1979-04-27 |
| US4110181A (en) | 1978-08-29 |
| FR2327326A1 (fr) | 1977-05-06 |
| BE846909A (fr) | 1977-04-04 |
| DE2644445A1 (de) | 1977-04-21 |
| IT1068540B (it) | 1985-03-21 |
| JPS5246395A (en) | 1977-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |