NO122687B - - Google Patents
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- Publication number
- NO122687B NO122687B NO167918A NO16791867A NO122687B NO 122687 B NO122687 B NO 122687B NO 167918 A NO167918 A NO 167918A NO 16791867 A NO16791867 A NO 16791867A NO 122687 B NO122687 B NO 122687B
- Authority
- NO
- Norway
- Prior art keywords
- cleaning
- stainless steel
- aqueous solution
- reactor
- film
- Prior art date
Links
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 230000007774 longterm Effects 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- YXVFQADLFFNVDS-UHFFFAOYSA-N diammonium citrate Chemical compound [NH4+].[NH4+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O YXVFQADLFFNVDS-UHFFFAOYSA-N 0.000 claims 2
- 238000005260 corrosion Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 230000002285 radioactive effect Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 7
- 239000010962 carbon steel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000012459 cleaning agent Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
- G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
- G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces
-
- 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
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54648966A | 1966-04-28 | 1966-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO122687B true NO122687B (2) | 1971-07-26 |
Family
ID=24180661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO167918A NO122687B (2) | 1966-04-28 | 1967-04-27 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3496017A (2) |
| BE (1) | BE696994A (2) |
| CH (1) | CH468697A (2) |
| DE (1) | DE1621670A1 (2) |
| ES (1) | ES339132A1 (2) |
| GB (1) | GB1130068A (2) |
| IL (1) | IL27663A (2) |
| NO (1) | NO122687B (2) |
| SE (1) | SE321130B (2) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3664870A (en) * | 1969-10-29 | 1972-05-23 | Nalco Chemical Co | Removal and separation of metallic oxide scale |
| US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
| US4063962A (en) * | 1976-04-07 | 1977-12-20 | General Atomic Company | Method and apparatus for cleaning nuclear fuel elements |
| CA1064626A (en) * | 1977-06-09 | 1979-10-16 | Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Cana Da Limited | Deposit suppression in the core of water-cooled nuclear reactors |
| US4460479A (en) * | 1978-09-14 | 1984-07-17 | Mulder Gerard W | Method for polishing, deburring and descaling stainless steel |
| US4226640A (en) * | 1978-10-26 | 1980-10-07 | Kraftwerk Union Aktiengesellschaft | Method for the chemical decontamination of nuclear reactor components |
| US4217192A (en) * | 1979-06-11 | 1980-08-12 | The United States Of America As Represented By The United States Department Of Energy | Decontamination of metals using chemical etching |
| US4470920A (en) * | 1981-05-11 | 1984-09-11 | Custom Research And Development | Metal oxide remover for stainless steels |
| ATE18822T1 (de) * | 1981-06-17 | 1986-04-15 | Central Electr Generat Board | Verfahren zur chemischen zersetzung von oxydniederschlaegen. |
| US4476047A (en) * | 1982-03-22 | 1984-10-09 | London Nuclear Limited | Process for treatment of oxide films prior to chemical cleaning |
| US4452643A (en) * | 1983-01-12 | 1984-06-05 | Halliburton Company | Method of removing copper and copper oxide from a ferrous metal surface |
| US4587043A (en) * | 1983-06-07 | 1986-05-06 | Westinghouse Electric Corp. | Decontamination of metal surfaces in nuclear power reactors |
| US4668303A (en) * | 1983-08-04 | 1987-05-26 | Exxon Research And Engineering Company | Method of preventing stress corrosion in a bellows expansion joint |
| DE3413868A1 (de) * | 1984-04-12 | 1985-10-17 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen dekontamination von metallischen bauteilen von kernreaktoranlagen |
| US4654170A (en) * | 1984-06-05 | 1987-03-31 | Westinghouse Electric Corp. | Hypohalite oxidation in decontaminating nuclear reactors |
| BE904139A (nl) * | 1986-01-30 | 1986-05-15 | Lemmens Godfried | Werkwijze voor de decontaminatie van radioaktief besmette materialen. |
| GB8613522D0 (en) * | 1986-06-04 | 1986-07-09 | British Nuclear Fuels Plc | Technetium decontamination |
| GB2220005A (en) * | 1988-06-28 | 1989-12-28 | Borsodi Vegyi Komb | Process for removing oxide layer and scale from metals and metal alloys |
| US5205999A (en) * | 1991-09-18 | 1993-04-27 | British Nuclear Fuels Plc | Actinide dissolution |
| US5257296A (en) * | 1991-10-25 | 1993-10-26 | Buford Iii Albert C | Steam generator chemical solvent mixing system and method |
| FR2699936B1 (fr) * | 1992-12-24 | 1995-01-27 | Electricite De France | Procédé de dissolution d'oxydes déposés sur un substrat métallique. |
| US5468303A (en) * | 1994-02-25 | 1995-11-21 | Zt Corporation | Rust, corrosion, and scale remover |
| US5640703A (en) * | 1994-04-18 | 1997-06-17 | British Nuclear Fuels Plc | Treatment of solid wastes |
| US5591270A (en) * | 1995-07-31 | 1997-01-07 | Corpex Technologies, Inc. | Lead oxide removal method |
| US5678232A (en) * | 1995-07-31 | 1997-10-14 | Corpex Technologies, Inc. | Lead decontamination method |
| US5814204A (en) * | 1996-10-11 | 1998-09-29 | Corpex Technologies, Inc. | Electrolytic decontamination processes |
| CN100577893C (zh) * | 2005-12-23 | 2010-01-06 | 中国辐射防护研究院 | 一种去除金属表面放射性污染的电解去污方法 |
| US20100072059A1 (en) * | 2008-09-25 | 2010-03-25 | Peters Michael J | Electrolytic System and Method for Enhanced Radiological, Nuclear, and Industrial Decontamination |
| US8177882B2 (en) * | 2009-04-30 | 2012-05-15 | World Resources Company | Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB763547A (en) * | 1953-11-10 | 1956-12-12 | Atomic Energy Authority Uk | Improvements in or relating to detergent compositions effective in removing radioactive contamination |
| US2793190A (en) * | 1954-04-15 | 1957-05-21 | Du Pont | Corrosion-inhibition of oxalic acid |
| US2959555A (en) * | 1956-09-28 | 1960-11-08 | Dow Chemical Co | Copper and iron containing scale removal from ferrous metal |
| US3013909A (en) * | 1960-03-31 | 1961-12-19 | Guyon P Pancer | Method of chemical decontamination of stainless steel nuclear facilities |
-
1966
- 1966-04-28 US US546489A patent/US3496017A/en not_active Expired - Lifetime
-
1967
- 1967-03-13 GB GB11681/67A patent/GB1130068A/en not_active Expired
- 1967-03-21 IL IL27663A patent/IL27663A/en unknown
- 1967-03-23 SE SE4166/67A patent/SE321130B/xx unknown
- 1967-04-03 CH CH473167A patent/CH468697A/de unknown
- 1967-04-06 DE DE19671621670 patent/DE1621670A1/de active Pending
- 1967-04-11 ES ES339132A patent/ES339132A1/es not_active Expired
- 1967-04-13 BE BE696994D patent/BE696994A/xx unknown
- 1967-04-27 NO NO167918A patent/NO122687B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1621670A1 (de) | 1971-06-24 |
| BE696994A (2) | 1967-09-18 |
| ES339132A1 (es) | 1968-12-01 |
| SE321130B (2) | 1970-02-23 |
| US3496017A (en) | 1970-02-17 |
| CH468697A (de) | 1969-02-15 |
| GB1130068A (en) | 1968-10-09 |
| IL27663A (en) | 1970-10-30 |
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