KR20120057568A - 표면의 제염 방법 - Google Patents
표면의 제염 방법 Download PDFInfo
- Publication number
- KR20120057568A KR20120057568A KR1020117026921A KR20117026921A KR20120057568A KR 20120057568 A KR20120057568 A KR 20120057568A KR 1020117026921 A KR1020117026921 A KR 1020117026921A KR 20117026921 A KR20117026921 A KR 20117026921A KR 20120057568 A KR20120057568 A KR 20120057568A
- Authority
- KR
- South Korea
- Prior art keywords
- decontamination
- acid
- treated
- solution
- oxide layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000005202 decontamination Methods 0.000 claims abstract description 78
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 72
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000002253 acid Substances 0.000 claims abstract description 36
- 239000000243 solution Substances 0.000 claims abstract description 31
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 29
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 22
- 239000007800 oxidant agent Substances 0.000 claims abstract description 22
- 230000001590 oxidative effect Effects 0.000 claims abstract description 20
- 150000002500 ions Chemical class 0.000 claims abstract description 16
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 16
- 150000007513 acids Chemical class 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011651 chromium Substances 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000010953 base metal Substances 0.000 claims abstract description 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 3
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 claims description 16
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 12
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 6
- 235000019253 formic acid Nutrition 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000009390 chemical decontamination Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000002826 coolant Substances 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 5
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- -1 II) Chemical class 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- DOLZKNFSRCEOFV-UHFFFAOYSA-L nickel(2+);oxalate Chemical compound [Ni+2].[O-]C(=O)C([O-])=O DOLZKNFSRCEOFV-UHFFFAOYSA-L 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- GOCCREQJUBABAL-UHFFFAOYSA-N 2,2-dihydroxyacetic acid Chemical compound OC(O)C(O)=O GOCCREQJUBABAL-UHFFFAOYSA-N 0.000 description 1
- 239000004135 Bone phosphate Substances 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000010936 aqueous wash Methods 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
-
- 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
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
-
- 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)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims (10)
- 산화물층을 갖는, 가압 수형 원자로의 1차 회로의 금속성 부품의 표면들의 화학적 제염 방법으로서, 상기 방법이 하기에 따라 두 개의 공정 단계들로 나누어지며 추가로 설계되는 방법:
? 제 1 공정 단계에서, 산화 단계, 환원 단계, 및 이후의 제 1 제염 단계를 포함하는 처리 사이클이 1회 이상 수행되며, 여기에서
- 상기 산화 단계에서, 상기 부품이 산화물층에 존재하는 3가 크롬을 6가 크롬으로 전환시키는 산화제를 함유하는 수용액으로 처리되고;
- 상기 환원 단계에서, 상기 부품이 산화 단계에서 나온 과량의 산화제를 환원시키기 위해 환원제를 함유하는 수용액으로 처리되며;
- 상기 제 1 제염 단계에서, 상기 부품이 용액 내에 존재하는 금속 이온들, 특히 2가 금속 이온들과 함께 난용성 증착물들을 형성하지 않는 하나 이상의 제염 산을 오로지 또는 대부분 함유하는 수용액으로 처리되고;
- 상기 용액이 상기 부품의 산화물층 및/또는 베이스 금속(base metal)에서 비롯된 상기 용액 내에 존재하는 금속 이온들을 제거하기 위해, 이온 교환기를 통과하게 되며;
? 제 2 공정 단계에서, 제 2 제염 단계를 포함하는 처리 사이클이 1회 이상 수행되고, 여기에서 상기 부품이 제염 산으로서 옥살산을 오로지 또는 대부분 함유하는 수용액으로 처리되는 방법. - 제 1항에 있어서, 상기 제 2 공정 단계의 처리 사이클이 상기 제 2 제염 단계 이전에 산화 단계를 포함하는 것을 특징으로 하는 방법.
- 제 1항 또는 제 2항에 있어서, 상기 제 1 제염 단계에서 유기산이 사용되는 것을 특징으로 하는 방법.
- 제 3항에 있어서, 오로지 탄소, 산소, 및 수소로 이루어진 제염 산이 사용되는 것을 특징으로 하는 방법.
- 제 1항 내지 제 4항 중 어느 한 항에 있어서, 상기 제 1 제염 단계에서 금속 이온들과 함께 착물을 형성하지 않는 유기산이 사용되는 것을 특징으로 하는 방법.
- 제 1항 내지 제 5항 중 어느 한 항에 있어서, 제 1 제염 단계에서 분자 내에 최대 두 개의 탄소 원자들을 함유하는 하나 이상의 제염 산이 사용되는 것을 특징으로 하는 방법.
- 제 6항에 있어서, 포름산 및/또는 글리옥실산이 사용되는 것을 특징으로 하는 방법.
- 제 7항에 있어서, 글리옥실산이 각각의 제 1 제염 단계에 사용되는 것을 특징으로 하는 방법.
- 제 1항 내지 제 8항 중 어느 한 항에 있어서, 산화 단계의 마지막에 세척액 내에 존재하는 산화제의 잔여물이 상기 용액에 첨가되는 환원제로 중화되고, 이러한 방식으로 처리된 상기 용액이 이후의 제염 단계에서 사용되는 것을 특징으로 하는 방법.
- 제 9항에 있어서, 상기 제염 단계에서 사용되는 제염 산이 환원제로서 사용되는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009047524.9 | 2009-12-04 | ||
DE102009047524A DE102009047524A1 (de) | 2009-12-04 | 2009-12-04 | Verfahren zur Oberflächen-Dekontamination |
PCT/EP2010/068602 WO2011067271A1 (de) | 2009-12-04 | 2010-12-01 | Verfahren zur oberflächen-dekontamination |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120057568A true KR20120057568A (ko) | 2012-06-05 |
KR101309609B1 KR101309609B1 (ko) | 2013-09-17 |
Family
ID=43867196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020117026921A KR101309609B1 (ko) | 2009-12-04 | 2010-12-01 | 표면의 제염 방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US20120138086A1 (ko) |
EP (1) | EP2417606B1 (ko) |
JP (1) | JP5602241B2 (ko) |
KR (1) | KR101309609B1 (ko) |
CN (1) | CN102405500A (ko) |
CA (1) | CA2755288A1 (ko) |
DE (1) | DE102009047524A1 (ko) |
ES (1) | ES2404895T3 (ko) |
TW (1) | TW201131581A (ko) |
WO (1) | WO2011067271A1 (ko) |
ZA (1) | ZA201106436B (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014018787A1 (en) * | 2012-07-26 | 2014-01-30 | Dominion Engineering, Inc. | Methods of reusing a cleaning solution |
JP2014041100A (ja) * | 2012-08-23 | 2014-03-06 | Shimizu Corp | コンクリート構造体の表層除染方法 |
DE102013100933B3 (de) * | 2013-01-30 | 2014-03-27 | Areva Gmbh | Verfahren zur Oberflächen-Dekontamination von Bauteilen des Kühlmittelkreislaufs eines Kernreaktors |
TWI489489B (zh) * | 2013-04-08 | 2015-06-21 | Yi Hsing Huang | 放射性廢料除污劑及其製造處理方法 |
KR101523763B1 (ko) * | 2013-06-19 | 2015-06-01 | 한국원자력연구원 | 금속 표면 고착성 방사능 오염 산화막 제거를 위한 산화 제염제 및 이를 이용한 산화 제염방법 |
DE102015120722B4 (de) * | 2015-11-30 | 2017-07-27 | Areva Gmbh | Kernkraftwerk und Verfahren zum Betreiben eines Kernkraftwerks |
DE102016104846B3 (de) * | 2016-03-16 | 2017-08-24 | Areva Gmbh | Verfahren zur Behandlung von Abwasser aus der Dekontamination einer Metalloberfläche, Abwasserbehandlungsvorrichtung und Verwendung der Abwasserbehandlungsvorrichtung |
DE102017107584A1 (de) * | 2017-04-07 | 2018-10-11 | Rwe Power Aktiengesellschaft | Zinkdosierung zur Dekontamination von Leichtwasserreaktoren |
CN107170503B (zh) * | 2017-06-02 | 2019-04-02 | 苏州热工研究院有限公司 | 一种降低在役压水堆核电厂集体剂量的化学清洗方法 |
CN107240429B (zh) * | 2017-06-28 | 2019-09-06 | 洛阳市琦安科技有限公司 | 一种放射性核污染物扩散迁移的压制材料及压制方法 |
DE102017115122B4 (de) * | 2017-07-06 | 2019-03-07 | Framatome Gmbh | Verfahren zum Dekontaminieren einer Metalloberfläche in einem Kernkraftwerk |
CN108242273A (zh) * | 2017-12-28 | 2018-07-03 | 中核四0四有限公司 | 一种用于放射性混凝土构筑物浅层剥离的装置 |
JP7475171B2 (ja) * | 2020-03-17 | 2024-04-26 | 日立Geニュークリア・エナジー株式会社 | 化学除染方法および化学除染装置 |
CN112700900A (zh) * | 2020-12-10 | 2021-04-23 | 中国辐射防护研究院 | 一种注锌反应堆部件放射性沉积氧化物的清洗方法 |
CN113105955A (zh) * | 2021-03-31 | 2021-07-13 | 山东核电有限公司 | 一种用于ap1000反应堆一回路部件放射性污染沉积氧化物的去污配方和去污方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD118956A1 (ko) * | 1975-03-11 | 1976-03-20 | ||
DE2847780C2 (de) * | 1978-11-03 | 1984-08-30 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen |
ATE18822T1 (de) * | 1981-06-17 | 1986-04-15 | Central Electr Generat Board | Verfahren zur chemischen zersetzung von oxydniederschlaegen. |
DE3413868A1 (de) * | 1984-04-12 | 1985-10-17 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen dekontamination von metallischen bauteilen von kernreaktoranlagen |
CH673545A5 (ko) * | 1987-10-02 | 1990-03-15 | Industrieorientierte Forsch | |
EP0355628B1 (de) * | 1988-08-24 | 1993-11-10 | Siemens Aktiengesellschaft | Verfahren zur chemischen Dekontamination der Oberfläche eines metallischen Bauteils einer Kernreaktoranlage |
FR2699936B1 (fr) * | 1992-12-24 | 1995-01-27 | Electricite De France | Procédé de dissolution d'oxydes déposés sur un substrat métallique. |
US5305360A (en) * | 1993-02-16 | 1994-04-19 | Westinghouse Electric Corp. | Process for decontaminating a nuclear reactor coolant system |
JP3417296B2 (ja) * | 1998-05-29 | 2003-06-16 | 栗田エンジニアリング株式会社 | 除染方法 |
FR2817492B1 (fr) * | 2000-12-04 | 2003-07-18 | Commissariat Energie Atomique | Procede de dissolution des solides formes dans une installation nucleaire |
KR100724710B1 (ko) * | 2002-11-21 | 2007-06-04 | 가부시끼가이샤 도시바 | 방사화 부품의 화학적 오염제거 시스템 및 방법 |
JP4083607B2 (ja) * | 2003-03-19 | 2008-04-30 | 株式会社東芝 | 放射能の化学除染方法および装置 |
JP4551843B2 (ja) * | 2005-08-29 | 2010-09-29 | 株式会社東芝 | 化学除染方法 |
CN101199026B (zh) * | 2005-11-29 | 2012-02-22 | 阿利发Np有限公司 | 对核技术设施的部件或系统的含氧化层表面去污的方法 |
US20130251086A1 (en) * | 2010-07-21 | 2013-09-26 | Atomic Energy Of Canada Limited | Reactor decontamination process and reagent |
-
2009
- 2009-12-04 DE DE102009047524A patent/DE102009047524A1/de not_active Withdrawn
-
2010
- 2010-12-01 CN CN2010800170411A patent/CN102405500A/zh active Pending
- 2010-12-01 ES ES10795259T patent/ES2404895T3/es active Active
- 2010-12-01 WO PCT/EP2010/068602 patent/WO2011067271A1/de active Application Filing
- 2010-12-01 EP EP10795259A patent/EP2417606B1/de not_active Not-in-force
- 2010-12-01 CA CA2755288A patent/CA2755288A1/en not_active Abandoned
- 2010-12-01 JP JP2012541479A patent/JP5602241B2/ja not_active Expired - Fee Related
- 2010-12-01 KR KR1020117026921A patent/KR101309609B1/ko not_active IP Right Cessation
- 2010-12-02 TW TW099141882A patent/TW201131581A/zh unknown
-
2011
- 2011-09-02 ZA ZA2011/06436A patent/ZA201106436B/en unknown
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2012
- 2012-02-13 US US13/371,891 patent/US20120138086A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2417606A1 (de) | 2012-02-15 |
CA2755288A1 (en) | 2011-06-09 |
JP5602241B2 (ja) | 2014-10-08 |
DE102009047524A1 (de) | 2011-06-09 |
EP2417606B1 (de) | 2013-02-20 |
TW201131581A (en) | 2011-09-16 |
US20120138086A1 (en) | 2012-06-07 |
WO2011067271A1 (de) | 2011-06-09 |
ZA201106436B (en) | 2012-08-29 |
ES2404895T3 (es) | 2013-05-29 |
CN102405500A (zh) | 2012-04-04 |
JP2013513098A (ja) | 2013-04-18 |
KR101309609B1 (ko) | 2013-09-17 |
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