DE2213528A1 - Verfahren zur Beseitigung verbrauchter Überzüge von metallischen Elektroden - Google Patents
Verfahren zur Beseitigung verbrauchter Überzüge von metallischen ElektrodenInfo
- Publication number
- DE2213528A1 DE2213528A1 DE19722213528 DE2213528A DE2213528A1 DE 2213528 A1 DE2213528 A1 DE 2213528A1 DE 19722213528 DE19722213528 DE 19722213528 DE 2213528 A DE2213528 A DE 2213528A DE 2213528 A1 DE2213528 A1 DE 2213528A1
- Authority
- DE
- Germany
- Prior art keywords
- bath
- molten salt
- coating
- carrier
- electrodes
- 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.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims description 68
- 238000000034 method Methods 0.000 title claims description 26
- 239000011248 coating agent Substances 0.000 claims description 49
- 239000010936 titanium Substances 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 27
- 229910052719 titanium Inorganic materials 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 238000006056 electrooxidation reaction Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- JXAZAUKOWVKTLO-UHFFFAOYSA-L sodium pyrosulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OS([O-])(=O)=O JXAZAUKOWVKTLO-UHFFFAOYSA-L 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 2
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 2
- KAQHZJVQFBJKCK-UHFFFAOYSA-L potassium pyrosulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O KAQHZJVQFBJKCK-UHFFFAOYSA-L 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims 1
- 235000011130 ammonium sulphate Nutrition 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 claims 1
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000011282 treatment Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 229910010413 TiO 2 Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 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
- 238000010438 heat treatment Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000243251 Hydra Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- VEVRNHHLCPGNDU-MUGJNUQGSA-O desmosine Chemical compound OC(=O)[C@@H](N)CCCC[N+]1=CC(CC[C@H](N)C(O)=O)=C(CCC[C@H](N)C(O)=O)C(CC[C@H](N)C(O)=O)=C1 VEVRNHHLCPGNDU-MUGJNUQGSA-O 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229940079826 hydrogen sulfite Drugs 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- -1 is allowed to cool Substances 0.000 description 1
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- HPCCWDVOHHFCKM-UHFFFAOYSA-M lithium;hydrogen sulfate Chemical compound [Li+].OS([O-])(=O)=O HPCCWDVOHHFCKM-UHFFFAOYSA-M 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000001755 vocal effect Effects 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
-
- 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
- C23G1/32—Heavy metals
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU63028 | 1971-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2213528A1 true DE2213528A1 (de) | 1972-10-26 |
Family
ID=19726682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722213528 Pending DE2213528A1 (de) | 1971-04-21 | 1972-03-21 | Verfahren zur Beseitigung verbrauchter Überzüge von metallischen Elektroden |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3837879A (enrdf_load_stackoverflow) |
| AT (1) | AT313670B (enrdf_load_stackoverflow) |
| BE (1) | BE781798A (enrdf_load_stackoverflow) |
| CH (1) | CH547358A (enrdf_load_stackoverflow) |
| DE (1) | DE2213528A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2133704B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1360915A (enrdf_load_stackoverflow) |
| IT (1) | IT950329B (enrdf_load_stackoverflow) |
| LU (1) | LU63028A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7204810A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1067859A (en) * | 1975-03-17 | 1979-12-11 | Norman W. Meyers | Treatment of cell anodes |
| US4246083A (en) * | 1978-08-31 | 1981-01-20 | Johnson, Matthey & Co., Limited | Removal of surface material |
| US5141563A (en) * | 1989-12-19 | 1992-08-25 | Eltech Systems Corporation | Molten salt stripping of electrode coatings |
| ITMI20021339A1 (it) * | 2002-06-17 | 2003-12-17 | De Nora Elettrodi Spa | Metodi di attivazione di strutture per elettrolizzatore nuove e esercite |
| CN109440131A (zh) * | 2018-11-02 | 2019-03-08 | 江苏安凯特科技股份有限公司 | 一种纳米结构的光催化电极制备方法及应用 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2847374A (en) * | 1956-06-12 | 1958-08-12 | Kolene Corp | Metal processing |
| GB851719A (en) * | 1957-01-14 | 1960-10-19 | Ici Ltd | Descaling of titanium and zirconium after heat treatment |
| NL282584A (enrdf_load_stackoverflow) * | 1961-08-30 | |||
| US3174491A (en) * | 1963-10-23 | 1965-03-23 | Kolene Corp | Molten salt spray apparatus for descaling stainless steel |
| US3721626A (en) * | 1969-02-03 | 1973-03-20 | Valcovny Plechu N P | Descaling method and composition of alkali metal hydroxide |
| US3684577A (en) * | 1969-02-24 | 1972-08-15 | Diamond Shamrock Corp | Removal of conductive coating from dimensionally stable electrodes |
| US3615815A (en) * | 1969-03-03 | 1971-10-26 | Horizons Research Inc | Metal cleaning process |
| US3560259A (en) * | 1969-12-04 | 1971-02-02 | Bell Telephone Labor Inc | Method of reclaiming tantalum from tantalum substrates having oxides of tantalum thereon |
-
1971
- 1971-04-21 LU LU63028D patent/LU63028A1/xx unknown
-
1972
- 1972-03-07 CH CH334672A patent/CH547358A/fr not_active IP Right Cessation
- 1972-03-17 IT IT22029/72A patent/IT950329B/it active
- 1972-03-21 DE DE19722213528 patent/DE2213528A1/de active Pending
- 1972-03-30 GB GB1501572A patent/GB1360915A/en not_active Expired
- 1972-04-07 BE BE781798A patent/BE781798A/xx unknown
- 1972-04-11 NL NL7204810A patent/NL7204810A/xx unknown
- 1972-04-12 FR FR7213080A patent/FR2133704B1/fr not_active Expired
- 1972-04-18 US US00245192A patent/US3837879A/en not_active Expired - Lifetime
- 1972-04-20 AT AT347472A patent/AT313670B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH547358A (fr) | 1974-03-29 |
| NL7204810A (enrdf_load_stackoverflow) | 1972-10-24 |
| GB1360915A (en) | 1974-07-24 |
| LU63028A1 (enrdf_load_stackoverflow) | 1972-12-11 |
| US3837879A (en) | 1974-09-24 |
| IT950329B (it) | 1973-06-20 |
| FR2133704B1 (enrdf_load_stackoverflow) | 1974-12-20 |
| AT313670B (de) | 1974-02-25 |
| BE781798A (enrdf_load_stackoverflow) | 1972-10-09 |
| FR2133704A1 (enrdf_load_stackoverflow) | 1972-12-01 |
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