CH642475A5 - Verfahren zur chemischen dekontamination von bauteilen. - Google Patents
Verfahren zur chemischen dekontamination von bauteilen. Download PDFInfo
- Publication number
- CH642475A5 CH642475A5 CH770679A CH770679A CH642475A5 CH 642475 A5 CH642475 A5 CH 642475A5 CH 770679 A CH770679 A CH 770679A CH 770679 A CH770679 A CH 770679A CH 642475 A5 CH642475 A5 CH 642475A5
- Authority
- CH
- Switzerland
- Prior art keywords
- decontamination
- solution
- suspension solution
- acid
- sulfur
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000009390 chemical decontamination Methods 0.000 title claims description 4
- 238000005202 decontamination Methods 0.000 claims description 28
- 230000003588 decontaminative effect Effects 0.000 claims description 25
- 239000000725 suspension Substances 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 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 description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical compound OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 claims description 2
- ZYFXHKPHYKLIDV-UHFFFAOYSA-N hydrogen peroxide;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound OO.OC(=O)CC(O)(C(O)=O)CC(O)=O ZYFXHKPHYKLIDV-UHFFFAOYSA-N 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 241000590629 Biblis Species 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- LBVWYGNGGJURHQ-UHFFFAOYSA-N dicarbon Chemical compound [C-]#[C+] LBVWYGNGGJURHQ-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910001055 inconels 600 Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical class [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 229940059867 sulfur containing product ectoparasiticides Drugs 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (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)
- Cleaning By Liquid Or Steam (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782847780 DE2847780C2 (de) | 1978-11-03 | 1978-11-03 | Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH642475A5 true CH642475A5 (de) | 1984-04-13 |
Family
ID=6053822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH770679A CH642475A5 (de) | 1978-11-03 | 1979-08-24 | Verfahren zur chemischen dekontamination von bauteilen. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS601600B2 (fr) |
| CH (1) | CH642475A5 (fr) |
| DE (1) | DE2847780C2 (fr) |
| FR (1) | FR2440601A2 (fr) |
| GB (1) | GB2044982B (fr) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1136398A (fr) * | 1979-12-10 | 1982-11-30 | William A. Seddon | Reactifs de decontamination pour systemes radioactifs |
| US4587043A (en) * | 1983-06-07 | 1986-05-06 | Westinghouse Electric Corp. | Decontamination of metal surfaces in nuclear power reactors |
| US4654170A (en) * | 1984-06-05 | 1987-03-31 | Westinghouse Electric Corp. | Hypohalite oxidation in decontaminating nuclear reactors |
| GB8613522D0 (en) * | 1986-06-04 | 1986-07-09 | British Nuclear Fuels Plc | Technetium decontamination |
| DE3735119A1 (de) * | 1987-04-08 | 1988-10-20 | Genji Okabe | Verfahren zum reinigen biologischer materie |
| JP2655325B2 (ja) * | 1987-06-04 | 1997-09-17 | 動力炉・核燃料開発事業団 | 原子炉プラント機器の除染方法 |
| BE1002593A3 (nl) * | 1988-11-09 | 1991-04-02 | Lemmens Godfried | Werkwijze voor de dekontaminatie van radioaktief besmette materialen. |
| DE4131766A1 (de) * | 1991-09-24 | 1993-03-25 | Siemens Ag | Verfahren zur dekontamination des primaerkreises eines kernkraftwerkes |
| RU2124768C1 (ru) * | 1996-03-19 | 1999-01-10 | Горно-химический комбинат | Способ дезактивации твердой фазы гетерогенных радиоактивных отходов |
| RU2168780C1 (ru) * | 1997-05-08 | 2001-06-10 | Закрытое акционерное общество Инновационная компания "Панорама" | Способ обработки металлических отходов, загрязненных радионуклидами |
| JP3977963B2 (ja) | 1999-09-09 | 2007-09-19 | 株式会社日立製作所 | 化学除染方法 |
| RU2197545C2 (ru) * | 2001-01-09 | 2003-01-27 | Государственное унитарное предприятие Научно-производственное объединение "Радиевый институт им. В.Г. Хлопина" | Способ растворения конструкционного материала термоядерного реактора на основе ванадий - хром - титанового сплава |
| US20040138176A1 (en) | 2002-05-31 | 2004-07-15 | Cjb Industries, Inc. | Adjuvant for pesticides |
| US7476646B1 (en) | 2004-09-27 | 2009-01-13 | Cjb Industries, Inc. | Agricultural promoters/active ingredients |
| DE102009047524A1 (de) * | 2009-12-04 | 2011-06-09 | Areva Np Gmbh | Verfahren zur Oberflächen-Dekontamination |
| RU2474895C1 (ru) * | 2011-10-18 | 2013-02-10 | Федеральное государственное унитарное предприятие "Горно-химический комбинат" | Способ экстракционной переработки высокоактивных отходов с фракционированием радионуклидов |
| JP5675733B2 (ja) * | 2012-09-03 | 2015-02-25 | 三菱重工業株式会社 | 化学除染方法 |
| KR102272949B1 (ko) * | 2015-02-05 | 2021-07-06 | 프라마톰 게엠베하 | 원자로의 냉각 시스템에서의 금속 표면 오염 제거 방법 |
| JP6937348B2 (ja) * | 2015-02-05 | 2021-09-22 | フラマトム ゲゼルシャフト ミット ベシュレンクテル ハフツング | 原子炉の冷却システムで金属表面を除染する方法 |
| DE102017115122B4 (de) | 2017-07-06 | 2019-03-07 | Framatome Gmbh | Verfahren zum Dekontaminieren einer Metalloberfläche in einem Kernkraftwerk |
| CN115815205A (zh) * | 2022-11-29 | 2023-03-21 | 广东核电合营有限公司 | 去污装置及去污方法 |
| CN117464525A (zh) * | 2023-11-27 | 2024-01-30 | 中国核动力研究设计院 | 一种管内去污方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE292609C (fr) * | ||||
| DE2613351C3 (de) * | 1976-03-29 | 1982-03-25 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen |
-
1978
- 1978-11-03 DE DE19782847780 patent/DE2847780C2/de not_active Expired
-
1979
- 1979-08-24 CH CH770679A patent/CH642475A5/de not_active IP Right Cessation
- 1979-10-11 GB GB7935287A patent/GB2044982B/en not_active Expired
- 1979-10-25 FR FR7926533A patent/FR2440601A2/fr active Granted
- 1979-11-02 JP JP14272279A patent/JPS601600B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2440601A2 (fr) | 1980-05-30 |
| FR2440601B2 (fr) | 1983-01-21 |
| JPS5566800A (en) | 1980-05-20 |
| JPS601600B2 (ja) | 1985-01-16 |
| DE2847780A1 (de) | 1980-05-14 |
| GB2044982B (en) | 1982-10-13 |
| DE2847780C2 (de) | 1984-08-30 |
| GB2044982A (en) | 1980-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |