SE434894B - Sett att dekontaminera kernreaktorytor - Google Patents
Sett att dekontaminera kernreaktorytorInfo
- Publication number
- SE434894B SE434894B SE8001827A SE8001827A SE434894B SE 434894 B SE434894 B SE 434894B SE 8001827 A SE8001827 A SE 8001827A SE 8001827 A SE8001827 A SE 8001827A SE 434894 B SE434894 B SE 434894B
- Authority
- SE
- Sweden
- Prior art keywords
- decontamination
- ozone
- samples
- chromium
- water
- Prior art date
Links
- 238000005202 decontamination Methods 0.000 claims description 100
- 230000003588 decontaminative effect Effects 0.000 claims description 96
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 71
- 238000011282 treatment Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000011651 chromium Substances 0.000 claims description 34
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 33
- 229910052804 chromium Inorganic materials 0.000 claims description 33
- 239000003153 chemical reaction reagent Substances 0.000 claims description 32
- 238000005260 corrosion Methods 0.000 claims description 20
- 230000007797 corrosion Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical group [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical group O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 14
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 12
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 150000002739 metals Chemical class 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 7
- 239000003456 ion exchange resin Substances 0.000 claims description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000003729 cation exchange resin Substances 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims description 3
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 claims description 2
- 239000003957 anion exchange resin Substances 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000003134 recirculating effect Effects 0.000 claims 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 23
- 239000010963 304 stainless steel Substances 0.000 description 19
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 19
- 239000001301 oxygen Substances 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 14
- 229910000975 Carbon steel Inorganic materials 0.000 description 9
- 101001038505 Homo sapiens Ly6/PLAUR domain-containing protein 1 Proteins 0.000 description 9
- 102100040284 Ly6/PLAUR domain-containing protein 1 Human genes 0.000 description 9
- 201000010917 PTEN hamartoma tumor syndrome Diseases 0.000 description 9
- 238000011109 contamination Methods 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000010962 carbon steel Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 229910001293 incoloy Inorganic materials 0.000 description 4
- 229910001055 inconels 600 Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 239000010808 liquid waste Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000155 isotopic effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- -1 oxygen or air Chemical compound 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 239000002900 solid radioactive waste Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000934 Monel 400 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- LSRJXMDEXXKFCD-UHFFFAOYSA-L chromium(6+) dihydroxy(dioxo)chromium oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6].O[Cr](O)(=O)=O LSRJXMDEXXKFCD-UHFFFAOYSA-L 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- OANFWJQPUHQWDL-UHFFFAOYSA-N copper iron manganese nickel Chemical compound [Mn].[Fe].[Ni].[Cu] OANFWJQPUHQWDL-UHFFFAOYSA-N 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-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
- 238000002386 leaching Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical class [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010959 steel Substances 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (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)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/028,200 US4287002A (en) | 1979-04-09 | 1979-04-09 | Nuclear reactor decontamination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8001827L SE8001827L (sv) | 1980-10-10 |
| SE434894B true SE434894B (sv) | 1984-08-20 |
Family
ID=21842115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8001827A SE434894B (sv) | 1979-04-09 | 1980-03-10 | Sett att dekontaminera kernreaktorytor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4287002A (en:Method) |
| JP (1) | JPS55135800A (en:Method) |
| CA (1) | CA1117852A (en:Method) |
| DE (1) | DE3013551A1 (en:Method) |
| ES (1) | ES8103453A1 (en:Method) |
| FR (1) | FR2454159A1 (en:Method) |
| SE (1) | SE434894B (en:Method) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2077482B (en) * | 1980-06-06 | 1983-06-08 | Us Energy | Coolant system decontamination |
| DE3038807A1 (de) * | 1980-10-14 | 1982-06-03 | Alkem Gmbh, 6450 Hanau | Verfahren zum aufloesen schwerloeslicher thorium- und/oder plutoiumoxide |
| EP0071336B1 (en) * | 1981-06-17 | 1986-03-26 | Central Electricity Generating Board | Process for the chemical dissolution of oxide deposits |
| US4476047A (en) * | 1982-03-22 | 1984-10-09 | London Nuclear Limited | Process for treatment of oxide films prior to chemical cleaning |
| US4546087A (en) * | 1982-10-29 | 1985-10-08 | Deere & Company | Method for detecting the presence of a chromate coating on aluminum |
| SE435329B (sv) * | 1983-02-09 | 1984-09-17 | Studsvik Energiteknik Ab | Dekontaminering av tryckvattenreaktorer |
| US4587043A (en) * | 1983-06-07 | 1986-05-06 | Westinghouse Electric Corp. | Decontamination of metal surfaces in nuclear power reactors |
| US4582004A (en) * | 1983-07-05 | 1986-04-15 | Westinghouse Electric Corp. | Electric arc heater process and apparatus for the decomposition of hazardous materials |
| CA1229480A (en) * | 1983-07-12 | 1987-11-24 | Alexander P. Murray | Ozone oxidation of deposits in cooling systems of nuclear reactors |
| DE3345782A1 (de) * | 1983-12-17 | 1985-06-27 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Verfahren zur primaerkreis-dekontamination von reaktoren |
| SE451915B (sv) * | 1984-03-09 | 1987-11-02 | Studsvik Energiteknik Ab | Forfarande for dekontaminering av tryckvattenreaktorer |
| US4654170A (en) * | 1984-06-05 | 1987-03-31 | Westinghouse Electric Corp. | Hypohalite oxidation in decontaminating nuclear reactors |
| DE3578635D1 (de) * | 1984-10-31 | 1990-08-16 | Kraftwerk Union Ag | Verfahren zur chemischen dekontamination von grosskomponenten und systemen aus metallischen werkstoffen von kernreaktoren. |
| GB8613522D0 (en) * | 1986-06-04 | 1986-07-09 | British Nuclear Fuels Plc | Technetium decontamination |
| US4747907A (en) * | 1986-10-29 | 1988-05-31 | International Business Machines Corporation | Metal etching process with etch rate enhancement |
| US4913849A (en) * | 1988-07-07 | 1990-04-03 | Aamir Husain | Process for pretreatment of chromium-rich oxide surfaces prior to decontamination |
| WO1992003829A1 (en) * | 1990-08-28 | 1992-03-05 | Electric Power Research Institute | Organic material oxidation process utilizing no added catalyst |
| DE4117624A1 (de) * | 1991-05-29 | 1992-12-03 | Siemens Ag | Verfahren zur passivierung einer bauteiloberflaeche |
| FR2689298B1 (fr) * | 1992-03-24 | 1994-10-21 | Framatome Sa | Procédé d'élimination de dépôts de corrosion dans la partie secondaire d'un générateur de vapeur d'un réacteur nucléaire refroidi par de l'eau sous pression. |
| FR2691282B1 (fr) * | 1992-05-12 | 1994-10-21 | Framatome Sa | Procédé d'élimination de dépôts de corrosion dans la partie secondaire d'un générateur de vapeur d'un réacteur nucléaire. |
| DE4308209C2 (de) * | 1993-03-15 | 1996-12-05 | Siemens Ag | Verfahren zum Entfernen von metallischem Blei |
| US5678232A (en) * | 1995-07-31 | 1997-10-14 | Corpex Technologies, Inc. | Lead decontamination method |
| RU2101650C1 (ru) * | 1996-03-18 | 1998-01-10 | Государственный научный центр РФ "Физико-энергетический институт" | Способ очистки внутренней поверхности стального циркуляционного контура с жидкометаллическим теплоносителем на основе свинца |
| US5814204A (en) * | 1996-10-11 | 1998-09-29 | Corpex Technologies, Inc. | Electrolytic decontamination processes |
| US6718002B2 (en) * | 1997-05-21 | 2004-04-06 | Westinghouse Atom Ab | Method and device for removing radioactive deposits |
| US6635232B1 (en) | 1999-05-13 | 2003-10-21 | Kabushiki Kaisha Toshiba | Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same |
| TW529041B (en) * | 2000-12-21 | 2003-04-21 | Toshiba Corp | Chemical decontamination method and treatment method and apparatus of chemical decontamination solution |
| JP4299974B2 (ja) * | 2001-02-01 | 2009-07-22 | 株式会社東芝 | 放射線取扱い施設の構造部品の化学除染方法およびその装置 |
| US6867148B2 (en) * | 2001-05-16 | 2005-03-15 | Micron Technology, Inc. | Removal of organic material in integrated circuit fabrication using ozonated organic acid solutions |
| JP2003098294A (ja) * | 2001-09-27 | 2003-04-03 | Hitachi Ltd | オゾンを用いた除染方法及びその装置 |
| AU2003259061A1 (en) * | 2002-09-06 | 2004-03-29 | Westinghouse Electric Company Llc | Pressurized water reactor shutdown method |
| KR100724710B1 (ko) * | 2002-11-21 | 2007-06-04 | 가부시끼가이샤 도시바 | 방사화 부품의 화학적 오염제거 시스템 및 방법 |
| JP2004212228A (ja) * | 2002-12-27 | 2004-07-29 | Iwatani Internatl Corp | 放射性物質で汚染された金属構造部品の化学除染方法 |
| EP1955335B1 (de) * | 2005-11-29 | 2011-04-27 | AREVA NP GmbH | Verfahren zur dekontamination einer eine oxidschicht aufweisenden oberfläche einer komponente oder eines systems einer kerntechnischen anlage |
| KR101086600B1 (ko) * | 2006-02-09 | 2011-11-23 | 가부시끼가이샤 도시바 | 화학 제염 장치 및 그 제염 방법 |
| DE102013100933B3 (de) * | 2013-01-30 | 2014-03-27 | Areva Gmbh | Verfahren zur Oberflächen-Dekontamination von Bauteilen des Kühlmittelkreislaufs eines Kernreaktors |
| MX370759B (es) | 2017-01-19 | 2019-12-13 | Framatome Gmbh | Metodo para descontaminar superficies metalicas de una instalacion nuclear. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3013909A (en) * | 1960-03-31 | 1961-12-19 | Guyon P Pancer | Method of chemical decontamination of stainless steel nuclear facilities |
| US3664870A (en) * | 1969-10-29 | 1972-05-23 | Nalco Chemical Co | Removal and separation of metallic oxide scale |
| JPS4929239B1 (en:Method) * | 1970-07-02 | 1974-08-02 | ||
| US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
| DE2358683A1 (de) * | 1973-11-24 | 1975-06-05 | Kalman Von Dipl Phys Soos | Verfahren zum beizen und aetzen von metallen |
| US4042455A (en) * | 1975-05-08 | 1977-08-16 | Westinghouse Electric Corporation | Process for dissolving radioactive corrosion products from internal surfaces of a nuclear reactor |
| CH619807A5 (en:Method) * | 1976-04-07 | 1980-10-15 | Foerderung Forschung Gmbh |
-
1979
- 1979-04-09 US US06/028,200 patent/US4287002A/en not_active Expired - Lifetime
-
1980
- 1980-02-29 CA CA000346883A patent/CA1117852A/en not_active Expired
- 1980-03-10 SE SE8001827A patent/SE434894B/sv not_active IP Right Cessation
- 1980-03-31 JP JP4193680A patent/JPS55135800A/ja active Granted
- 1980-04-08 ES ES490334A patent/ES8103453A1/es not_active Expired
- 1980-04-09 FR FR8008010A patent/FR2454159A1/fr not_active Withdrawn
- 1980-04-09 DE DE19803013551 patent/DE3013551A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CA1117852A (en) | 1982-02-09 |
| SE8001827L (sv) | 1980-10-10 |
| ES490334A0 (es) | 1981-02-16 |
| ES8103453A1 (es) | 1981-02-16 |
| US4287002A (en) | 1981-09-01 |
| DE3013551A1 (de) | 1980-10-16 |
| JPS6158800B2 (en:Method) | 1986-12-13 |
| JPS55135800A (en) | 1980-10-22 |
| FR2454159A1 (fr) | 1980-11-07 |
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