CH626741A5 - Process for the chemical decontamination of nuclear reactor components - Google Patents
Process for the chemical decontamination of nuclear reactor components Download PDFInfo
- Publication number
- CH626741A5 CH626741A5 CH278977A CH278977A CH626741A5 CH 626741 A5 CH626741 A5 CH 626741A5 CH 278977 A CH278977 A CH 278977A CH 278977 A CH278977 A CH 278977A CH 626741 A5 CH626741 A5 CH 626741A5
- Authority
- CH
- Switzerland
- Prior art keywords
- decontamination
- solution
- water
- organic acids
- materials
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 8
- 230000008569 process Effects 0.000 title claims 3
- 238000009390 chemical decontamination Methods 0.000 title claims 2
- 239000000243 solution Substances 0.000 claims 20
- 238000005202 decontamination Methods 0.000 claims 15
- 230000003588 decontaminative effect Effects 0.000 claims 15
- 239000000463 material Substances 0.000 claims 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- 235000005985 organic acids Nutrition 0.000 claims 5
- 230000001590 oxidative effect Effects 0.000 claims 5
- 150000007524 organic acids Chemical class 0.000 claims 4
- 230000002285 radioactive effect Effects 0.000 claims 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 238000011109 contamination Methods 0.000 claims 3
- 235000006408 oxalic acid Nutrition 0.000 claims 3
- 238000005554 pickling Methods 0.000 claims 3
- 239000012286 potassium permanganate Substances 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- SHZFVLZWUVDCEN-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O SHZFVLZWUVDCEN-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 238000005260 corrosion Methods 0.000 claims 2
- 230000007797 corrosion Effects 0.000 claims 2
- 239000008367 deionised water Substances 0.000 claims 2
- 229910021641 deionized water Inorganic materials 0.000 claims 2
- 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
- 229910001293 incoloy Inorganic materials 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000002203 pretreatment Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-L 2-(carboxymethyl)-2-hydroxysuccinate Chemical compound [O-]C(=O)CC(O)(C(=O)O)CC([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-L 0.000 claims 1
- 229910000669 Chrome steel Inorganic materials 0.000 claims 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims 1
- VYTBPJNGNGMRFH-UHFFFAOYSA-N acetic acid;azane Chemical compound N.N.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O VYTBPJNGNGMRFH-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000011149 active material Substances 0.000 claims 1
- 230000002411 adverse Effects 0.000 claims 1
- 208000021825 aldosterone-producing adrenal cortex adenoma Diseases 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 claims 1
- GMSWRMUHJLKEIL-UHFFFAOYSA-N azane;ethene Chemical compound N.C=C GMSWRMUHJLKEIL-UHFFFAOYSA-N 0.000 claims 1
- 239000010953 base metal Substances 0.000 claims 1
- 238000007385 chemical modification Methods 0.000 claims 1
- 239000008139 complexing agent Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 claims 1
- 229910001055 inconels 600 Inorganic materials 0.000 claims 1
- 229910001090 inconels X-750 Inorganic materials 0.000 claims 1
- 238000010348 incorporation Methods 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000005764 inhibitory process Effects 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000000053 physical method Methods 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- -1 salts organic acids Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 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
- 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
-
- 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
-
- 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
- G21F9/28—Treating solids
-
- 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
- G21F9/28—Treating solids
- G21F9/30—Processing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning By Liquid Or Steam (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762613351 DE2613351C3 (de) | 1976-03-29 | 1976-03-29 | Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH626741A5 true CH626741A5 (en) | 1981-11-30 |
Family
ID=5973754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH278977A CH626741A5 (en) | 1976-03-29 | 1977-03-07 | Process for the chemical decontamination of nuclear reactor components |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS608479B2 (enExample) |
| CH (1) | CH626741A5 (enExample) |
| DE (1) | DE2613351C3 (enExample) |
| FR (1) | FR2346819A1 (enExample) |
| GB (1) | GB1572867A (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2847780C2 (de) * | 1978-11-03 | 1984-08-30 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen |
| JPS5813879B2 (ja) * | 1979-02-20 | 1983-03-16 | 日立造船株式会社 | キャスク除染方法 |
| DE2910708C2 (de) * | 1979-03-19 | 1986-07-24 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zum Reinigen einer Mischvorrichtung zum Einbetten radioaktiver Abfälle in erhitztes Bitumen |
| EP0032416B2 (en) * | 1980-01-08 | 1987-06-16 | Central Electricity Generating Board | Descaling process |
| JPS58174900A (ja) * | 1982-04-07 | 1983-10-13 | 三菱重工業株式会社 | 原子力構成機器材の除染方法 |
| JPS5937498A (ja) * | 1982-08-25 | 1984-02-29 | 株式会社日立製作所 | 放射性物質の付着抑制機能を備えた原子力プラント |
| US4587043A (en) * | 1983-06-07 | 1986-05-06 | Westinghouse Electric Corp. | Decontamination of metal surfaces in nuclear power reactors |
| EP0180826B1 (de) * | 1984-10-31 | 1990-07-11 | Siemens Aktiengesellschaft | Verfahren zur chemischen Dekontamination von Grosskomponenten und Systemen aus metallischen Werkstoffen von Kernreaktoren |
| FR2585817B1 (fr) * | 1985-08-05 | 1989-08-25 | Framatome Sa | Procede et dispositif de traitement de surface pour les echangeurs de chaleur |
| 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 |
| JP2507478B2 (ja) * | 1987-09-28 | 1996-06-12 | 株式会社東芝 | 放射性廃棄物の除染システム |
| ES2045298T3 (es) * | 1988-08-24 | 1994-01-16 | Siemens Ag | Procedimiento para la descontaminacion quimica de la superficie de un componente metalico de una instalacion de reactor nuclear. |
| FR2644618B1 (fr) * | 1989-03-14 | 1994-03-25 | Commissariat A Energie Atomique | Procede de decontamination de surfaces metalliques, notamment de parties constitutives d'un reacteur nucleaire a eau sous pression, et solutions de decontamination utilisees dans ce procede |
| DE4131766A1 (de) * | 1991-09-24 | 1993-03-25 | Siemens Ag | Verfahren zur dekontamination des primaerkreises eines kernkraftwerkes |
| US5516415A (en) * | 1993-11-16 | 1996-05-14 | Ontario Hydro | Process and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tube |
| DE19546789A1 (de) * | 1995-12-14 | 1997-06-19 | Siemens Ag | Verfahren zur Verwertung kontaminierter Metallteile |
| RU2126182C1 (ru) * | 1998-01-06 | 1999-02-10 | Государственное предприятие Ленинградская атомная электростанция им.В.И.Ленина | Способ дезактивации внутренних поверхностей оборудования ядерного реактора |
| DE19851852A1 (de) * | 1998-11-10 | 2000-05-11 | Siemens Ag | Verfahren zur Dekontamination einer Oberfläche eines Bauteiles |
| JP3977963B2 (ja) | 1999-09-09 | 2007-09-19 | 株式会社日立製作所 | 化学除染方法 |
| RU2245587C1 (ru) * | 2003-05-15 | 2005-01-27 | Федеральное государственное унитарное предприятие "Российский государственный концерн по производству электрической и тепловой энергии на атомных станциях" - Концерн "Росэнергоатом" | Способ дезактивации контура многократной принудительной циркуляции энергетического ядерного реактора |
| CN113737191A (zh) * | 2021-08-19 | 2021-12-03 | 中国辐射防护研究院 | 一种低碳马氏体镍铬不锈钢的去污方法 |
-
1976
- 1976-03-29 DE DE19762613351 patent/DE2613351C3/de not_active Expired
-
1977
- 1977-03-03 GB GB909377A patent/GB1572867A/en not_active Expired
- 1977-03-07 CH CH278977A patent/CH626741A5/de not_active IP Right Cessation
- 1977-03-28 FR FR7709221A patent/FR2346819A1/fr active Granted
- 1977-03-29 JP JP3515077A patent/JPS608479B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1572867A (en) | 1980-08-06 |
| JPS608479B2 (ja) | 1985-03-02 |
| DE2613351A1 (de) | 1977-10-13 |
| FR2346819B1 (enExample) | 1982-11-19 |
| DE2613351B2 (de) | 1981-07-16 |
| JPS52118200A (en) | 1977-10-04 |
| DE2613351C3 (de) | 1982-03-25 |
| FR2346819A1 (fr) | 1977-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |