GB1520705A - Electrolytic descaling of metals - Google Patents
Electrolytic descaling of metalsInfo
- Publication number
- GB1520705A GB1520705A GB11937/77A GB1193777A GB1520705A GB 1520705 A GB1520705 A GB 1520705A GB 11937/77 A GB11937/77 A GB 11937/77A GB 1193777 A GB1193777 A GB 1193777A GB 1520705 A GB1520705 A GB 1520705A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrolysis
- sulphate
- nitrate
- electrolytic descaling
- metals
- 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
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 238000005868 electrolysis reaction Methods 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- 239000001166 ammonium sulphate Substances 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 abstract 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/672,586 US4026777A (en) | 1976-04-01 | 1976-04-01 | Metallic descaling system |
| US05/767,177 US4066521A (en) | 1977-02-09 | 1977-02-09 | Metallic descaling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1520705A true GB1520705A (en) | 1978-08-09 |
Family
ID=27100786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11937/77A Expired GB1520705A (en) | 1976-04-01 | 1977-03-22 | Electrolytic descaling of metals |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5939518B2 (enExample) |
| AU (1) | AU505146B2 (enExample) |
| BR (1) | BR7701895A (enExample) |
| CA (1) | CA1088457A (enExample) |
| DE (1) | DE2714136C3 (enExample) |
| ES (1) | ES457467A1 (enExample) |
| FR (1) | FR2346466A1 (enExample) |
| GB (1) | GB1520705A (enExample) |
| IT (1) | IT1082692B (enExample) |
| MX (1) | MX147289A (enExample) |
| SE (1) | SE433950B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157288A (ja) * | 1983-02-25 | 1984-09-06 | Nippon Stainless Steel Co Ltd | ステンレス鋼帯の酸洗方法 |
| JPS60121285A (ja) * | 1983-12-02 | 1985-06-28 | Nisshin Steel Co Ltd | ステンレス鋼の酸洗前処理用溶融塩組成物 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE438799A (enExample) * | 1939-05-24 | |||
| FR1226856A (fr) * | 1958-12-23 | 1960-08-16 | Procédé de décapage des aciers alliés | |
| GB1082409A (en) * | 1963-12-04 | 1967-09-06 | Mitsubishi Heavy Ind Ltd | An electrolytic descaling solution |
| GB1082410A (en) * | 1963-12-26 | 1967-09-06 | Mitsubishi Heavy Ind Ltd | An electrolytic descaling method |
| US3260619A (en) * | 1965-02-04 | 1966-07-12 | Kolene Corp | Methods and compositions for cleaning metal |
| DE1496785A1 (de) * | 1966-12-10 | 1969-08-07 | Dynamit Nobel Ag | Verfahren zur Entfernung von Metallpulver und niederen Metalloxyden von der Oberflaeche mit Natriumhydrid gebeizter Drahtbuendel |
| US3951681A (en) * | 1973-11-01 | 1976-04-20 | Kolene Corporation | Method for descaling ferrous metals |
-
1977
- 1977-03-22 GB GB11937/77A patent/GB1520705A/en not_active Expired
- 1977-03-23 AU AU23523/77A patent/AU505146B2/en not_active Expired
- 1977-03-24 SE SE7703405A patent/SE433950B/xx unknown
- 1977-03-28 BR BR7701895A patent/BR7701895A/pt unknown
- 1977-03-30 DE DE2714136A patent/DE2714136C3/de not_active Expired
- 1977-03-31 FR FR7709776A patent/FR2346466A1/fr active Granted
- 1977-03-31 MX MX168595A patent/MX147289A/es unknown
- 1977-03-31 CA CA275,220A patent/CA1088457A/en not_active Expired
- 1977-03-31 JP JP52036897A patent/JPS5939518B2/ja not_active Expired
- 1977-03-31 IT IT48766/77A patent/IT1082692B/it active
- 1977-04-01 ES ES457467A patent/ES457467A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2714136A1 (de) | 1977-10-20 |
| IT1082692B (it) | 1985-05-21 |
| JPS52129635A (en) | 1977-10-31 |
| ES457467A1 (es) | 1978-08-16 |
| SE7703405L (sv) | 1977-10-02 |
| SE433950B (sv) | 1984-06-25 |
| AU2352377A (en) | 1978-09-28 |
| CA1088457A (en) | 1980-10-28 |
| FR2346466B1 (enExample) | 1981-11-27 |
| FR2346466A1 (fr) | 1977-10-28 |
| JPS5939518B2 (ja) | 1984-09-25 |
| DE2714136C3 (de) | 1986-05-28 |
| AU505146B2 (en) | 1979-11-08 |
| BR7701895A (pt) | 1977-11-29 |
| DE2714136B2 (de) | 1981-07-23 |
| MX147289A (es) | 1982-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |